[misc] Support configurable max log size with var NB_LOG_MAX_SIZE_MB (#2592)

* Support configurable max log size with var NB_LOG_MAX_SIZE_MB

* add better logs

.editorconfig

@@ -0,0 +1,8 @@
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+
+[*.go]
+indent_style = tab

.github/ISSUE_TEMPLATE/bug-issue-report.md

@@ -31,9 +31,14 @@ Please specify whether you use NetBird Cloud or self-host NetBird's control plan
 
 `netbird version`
 
-**NetBird status -d output:**
+**NetBird status -dA output:**
 
-If applicable, add the `netbird status -d' command output.
+If applicable, add the `netbird status -dA' command output.
+
+**Do you face any (non-mobile) client issues?**
+
+Please provide the file created by `netbird debug for 1m -AS`.
+We advise reviewing the anonymized files for any remaining PII.
 
 **Screenshots**
 

.github/workflows/golang-test-darwin.yml

@@ -18,14 +18,14 @@ jobs:
     runs-on: macos-latest
     steps:
       - name: Install Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
-          go-version: "1.21.x"
+          go-version: "1.23.x"
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Cache Go modules
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/go/pkg/mod
           key: macos-go-${{ hashFiles('**/go.sum') }}

.github/workflows/golang-test-freebsd.yml

@@ -13,7 +13,7 @@ concurrency:
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4
       - name: Test in FreeBSD
@@ -21,19 +21,26 @@ jobs:
         uses: vmactions/freebsd-vm@v1
         with:
           usesh: true
+          copyback: false
+          release: "14.1"
           prepare: |
-            pkg install -y curl
-            pkg install -y git
+            pkg install -y go
 
+          # -x - to print all executed commands
+          # -e - to faile on first error
           run: |
-            set -x
-            curl -o go.tar.gz https://go.dev/dl/go1.21.11.freebsd-amd64.tar.gz -L
-            tar zxf go.tar.gz
-            mv go /usr/local/go
-            ln -s /usr/local/go/bin/go /usr/local/bin/go
-            go mod tidy
-            go test -timeout 5m -p 1 ./iface/...
-            go test -timeout 5m -p 1 ./client/... 
-            cd client
-            go build .
-            cd ..
+            set -e -x
+            time go build -o netbird client/main.go
+            # check all component except management, since we do not support management server on freebsd
+            time go test -timeout 1m -failfast ./base62/...
+            # NOTE: without -p1 `client/internal/dns` will fail becasue of `listen udp4 :33100: bind: address already in use`
+            time go test -timeout 8m -failfast -p 1 ./client/...
+            time go test -timeout 1m -failfast ./dns/...
+            time go test -timeout 1m -failfast ./encryption/...
+            time go test -timeout 1m -failfast ./formatter/...
+            time go test -timeout 1m -failfast ./iface/...
+            time go test -timeout 1m -failfast ./route/...
+            time go test -timeout 1m -failfast ./sharedsock/...
+            time go test -timeout 1m -failfast ./signal/...
+            time go test -timeout 1m -failfast ./util/...
+            time go test -timeout 1m -failfast ./version/...

.github/workflows/golang-test-linux.yml

@@ -19,13 +19,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Install Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
-          go-version: "1.21.x"
+          go-version: "1.23.x"
 
 
       - name: Cache Go modules
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/go/pkg/mod
           key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@@ -33,7 +33,7 @@ jobs:
             ${{ runner.os }}-go-
 
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install dependencies
         run: sudo apt update && sudo apt install -y -q libgtk-3-dev libayatana-appindicator3-dev libgl1-mesa-dev xorg-dev gcc-multilib libpcap-dev
@@ -55,12 +55,12 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Install Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
-          go-version: "1.21.x"
+          go-version: "1.23.x"
 
       - name: Cache Go modules
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/go/pkg/mod
           key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@@ -68,7 +68,7 @@ jobs:
             ${{ runner.os }}-go-
 
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install dependencies
         run: sudo apt update && sudo apt install -y -q libgtk-3-dev libayatana-appindicator3-dev libgl1-mesa-dev xorg-dev gcc-multilib libpcap-dev
@@ -124,4 +124,4 @@ jobs:
         run: docker run -t --cap-add=NET_ADMIN --privileged --rm -v $PWD:/ci -w /ci/client/internal -e NETBIRD_STORE_ENGINE="sqlite" --entrypoint /busybox/sh gcr.io/distroless/base:debug -c /ci/engine-testing.bin  -test.timeout 5m -test.parallel 1
 
       - name: Run Peer tests in docker
-        run: docker run -t --cap-add=NET_ADMIN --privileged --rm -v $PWD:/ci -w /ci/client/internal/peer  --entrypoint /busybox/sh gcr.io/distroless/base:debug -c /ci/peer-testing.bin  -test.timeout 5m -test.parallel 1
+        run: docker run -t --cap-add=NET_ADMIN --privileged --rm -v $PWD:/ci -w /ci/client/internal/peer  --entrypoint /busybox/sh gcr.io/distroless/base:debug -c /ci/peer-testing.bin  -test.timeout 5m -test.parallel 1

.github/workflows/golang-test-windows.yml

@@ -17,13 +17,13 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         id: go
         with:
-          go-version: "1.21.x"
+          go-version: "1.23.x"
 
       - name: Download wintun
         uses: carlosperate/download-file-action@v2

.github/workflows/golangci-lint.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: codespell
         uses: codespell-project/actions-codespell@v2
         with:
@@ -32,15 +32,15 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Check for duplicate constants
         if: matrix.os == 'ubuntu-latest'
         run: |
           ! awk '/const \(/,/)/{print $0}' management/server/activity/codes.go | grep -o '= [0-9]*' | sort | uniq -d | grep .
       - name: Install Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
-          go-version: "1.21.x"
+          go-version: "1.23.x"
           cache: false
       - name: Install dependencies
         if: matrix.os == 'ubuntu-latest'
@@ -49,4 +49,4 @@ jobs:
         uses: golangci/golangci-lint-action@v3
         with:
           version: latest
-          args: --timeout=12m
+          args: --timeout=12m

.github/workflows/install-script-test.yml

@@ -21,7 +21,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: run install script
         env:

.github/workflows/mobile-build-validation.yml

@@ -15,23 +15,23 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
-          go-version: "1.21.x"
+          go-version: "1.23.x"
       - name: Setup Android SDK
         uses: android-actions/setup-android@v3
         with:
           cmdline-tools-version: 8512546
       - name: Setup Java
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           java-version: "11"
           distribution: "adopt"
       - name: NDK Cache
         id: ndk-cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: /usr/local/lib/android/sdk/ndk
           key: ndk-cache-23.1.7779620
@@ -50,11 +50,11 @@ jobs:
     runs-on: macos-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
-          go-version: "1.21.x"
+          go-version: "1.23.x"
       - name: install gomobile
         run: go install golang.org/x/mobile/cmd/gomobile@v0.0.0-20240404231514-09dbf07665ed
       - name: gomobile init
@@ -62,4 +62,4 @@ jobs:
       - name: build iOS netbird lib
         run: PATH=$PATH:$(go env GOPATH) gomobile bind -target=ios -bundleid=io.netbird.framework -ldflags="-X github.com/netbirdio/netbird/version.version=buildtest" -o ./NetBirdSDK.xcframework ./client/ios/NetBirdSDK
         env:
-          CGO_ENABLED: 0
+          CGO_ENABLED: 0

.github/workflows/release.yml

@@ -10,7 +10,7 @@ on:
 
 
 env:
-  SIGN_PIPE_VER: "v0.0.12"
+  SIGN_PIPE_VER: "v0.0.14"
   GORELEASER_VER: "v1.14.1"
   PRODUCT_NAME: "NetBird"
   COPYRIGHT: "Wiretrustee UG (haftungsbeschreankt)"
@@ -36,18 +36,18 @@ jobs:
         run: echo "flags=--snapshot" >> $GITHUB_ENV
       -
         name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0 # It is required for GoReleaser to work properly
       -
         name: Set up Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
-          go-version: "1.21"
+          go-version: "1.23"
           cache: false
       -
         name: Cache Go modules
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/go/pkg/mod
@@ -79,15 +79,8 @@ jobs:
 
       - name: Install goversioninfo
         run: go install github.com/josephspurrier/goversioninfo/cmd/goversioninfo@233067e
-      - name: Generate windows syso 386
-        run: goversioninfo  -icon client/ui/netbird.ico -manifest client/manifest.xml -product-name ${{ env.PRODUCT_NAME }} -copyright "${{ env.COPYRIGHT }}"  -ver-build ${{ github.run_id }} -ver-major ${{ steps.semver_parser.outputs.major }} -ver-minor ${{ steps.semver_parser.outputs.minor }} -ver-patch ${{ steps.semver_parser.outputs.patch }} -product-version ${{ steps.semver_parser.outputs.fullversion }}.${{ github.run_id }} -o client/resources_windows_386.syso
-      - name: Generate windows syso arm
-        run: goversioninfo  -icon client/ui/netbird.ico -manifest client/manifest.xml -product-name ${{ env.PRODUCT_NAME }} -copyright "${{ env.COPYRIGHT }}"  -ver-build ${{ github.run_id }} -ver-major ${{ steps.semver_parser.outputs.major }} -ver-minor ${{ steps.semver_parser.outputs.minor }} -ver-patch ${{ steps.semver_parser.outputs.patch }} -product-version ${{ steps.semver_parser.outputs.fullversion }}.${{ github.run_id }} -o client/resources_windows_arm.syso
-      - name: Generate windows syso arm64
-        run: goversioninfo  -icon client/ui/netbird.ico -manifest client/manifest.xml -product-name ${{ env.PRODUCT_NAME }} -copyright "${{ env.COPYRIGHT }}"  -ver-build ${{ github.run_id }} -ver-major ${{ steps.semver_parser.outputs.major }} -ver-minor ${{ steps.semver_parser.outputs.minor }} -ver-patch ${{ steps.semver_parser.outputs.patch }} -product-version ${{ steps.semver_parser.outputs.fullversion }}.${{ github.run_id }} -o client/resources_windows_arm64.syso
       - name: Generate windows syso amd64
-        run: goversioninfo  -icon client/ui/netbird.ico -manifest client/manifest.xml -product-name ${{ env.PRODUCT_NAME }} -copyright "${{ env.COPYRIGHT }}"  -ver-build ${{ github.run_id }} -ver-major ${{ steps.semver_parser.outputs.major }} -ver-minor ${{ steps.semver_parser.outputs.minor }} -ver-patch ${{ steps.semver_parser.outputs.patch }} -product-version ${{ steps.semver_parser.outputs.fullversion }}.${{ github.run_id }} -o client/resources_windows_amd64.syso
-
+        run: goversioninfo  -icon client/ui/netbird.ico -manifest client/manifest.xml -product-name ${{ env.PRODUCT_NAME }} -copyright "${{ env.COPYRIGHT }}" -ver-major ${{ steps.semver_parser.outputs.major }} -ver-minor ${{ steps.semver_parser.outputs.minor }} -ver-patch ${{ steps.semver_parser.outputs.patch }} -ver-build 0 -file-version ${{ steps.semver_parser.outputs.fullversion }}.0 -product-version ${{ steps.semver_parser.outputs.fullversion }}.0 -o client/resources_windows_amd64.syso
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v4
         with:
@@ -100,28 +93,28 @@ jobs:
           UPLOAD_YUM_SECRET: ${{ secrets.PKG_UPLOAD_SECRET }}
       -
         name: upload non tags for debug purposes
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: release
           path: dist/
           retention-days: 3
       -
         name: upload linux packages
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: linux-packages
           path: dist/netbird_linux**
           retention-days: 3
       -
         name: upload windows packages
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: windows-packages
           path: dist/netbird_windows**
           retention-days: 3
       -
         name: upload macos packages
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: macos-packages
           path: dist/netbird_darwin**
@@ -140,17 +133,17 @@ jobs:
       - if: ${{ !startsWith(github.ref, 'refs/tags/v') }}
         run: echo "flags=--snapshot" >> $GITHUB_ENV
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0 # It is required for GoReleaser to work properly
 
       - name: Set up Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
-          go-version: "1.21"
+          go-version: "1.23"
           cache: false
       - name: Cache Go modules
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: | 
             ~/go/pkg/mod
@@ -170,7 +163,7 @@ jobs:
       - name: Install goversioninfo
         run: go install github.com/josephspurrier/goversioninfo/cmd/goversioninfo@233067e
       - name: Generate windows syso amd64
-        run: goversioninfo -64 -icon client/ui/netbird.ico -manifest client/ui/manifest.xml -product-name ${{ env.PRODUCT_NAME }}-"UI" -copyright "${{ env.COPYRIGHT }}"  -ver-build ${{ github.run_id }} -ver-major ${{ steps.semver_parser.outputs.major }} -ver-minor ${{ steps.semver_parser.outputs.minor }} -ver-patch ${{ steps.semver_parser.outputs.patch }} -product-version ${{ steps.semver_parser.outputs.fullversion }}.${{ github.run_id }} -o client/ui/resources_windows_amd64.syso
+        run: goversioninfo -64 -icon client/ui/netbird.ico -manifest client/ui/manifest.xml -product-name ${{ env.PRODUCT_NAME }}-"UI" -copyright "${{ env.COPYRIGHT }}" -ver-major ${{ steps.semver_parser.outputs.major }} -ver-minor ${{ steps.semver_parser.outputs.minor }} -ver-patch ${{ steps.semver_parser.outputs.patch }} -ver-build 0 -file-version ${{ steps.semver_parser.outputs.fullversion }}.0 -product-version ${{ steps.semver_parser.outputs.fullversion }}.0 -o client/ui/resources_windows_amd64.syso
 
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v4
@@ -183,7 +176,7 @@ jobs:
           UPLOAD_DEBIAN_SECRET: ${{ secrets.PKG_UPLOAD_SECRET }}
           UPLOAD_YUM_SECRET: ${{ secrets.PKG_UPLOAD_SECRET }}
       - name: upload non tags for debug purposes
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: release-ui
           path: dist/
@@ -196,18 +189,18 @@ jobs:
         run: echo "flags=--snapshot" >> $GITHUB_ENV
       -
         name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0 # It is required for GoReleaser to work properly
       -
         name: Set up Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
-          go-version: "1.21"
+          go-version: "1.23"
           cache: false
       -
         name: Cache Go modules
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             ~/go/pkg/mod
@@ -232,35 +225,21 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       -
         name: upload non tags for debug purposes
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: release-ui-darwin
           path: dist/
           retention-days: 3
 
-  trigger_windows_signer:
+  trigger_signer:
     runs-on: ubuntu-latest
-    needs: [release,release_ui]
+    needs: [release,release_ui,release_ui_darwin]
     if: startsWith(github.ref, 'refs/tags/')
     steps:
-      - name: Trigger Windows binaries sign pipeline
+      - name: Trigger binaries sign pipelines
         uses: benc-uk/workflow-dispatch@v1
         with:
-          workflow: Sign windows bin and installer
-          repo: netbirdio/sign-pipelines
-          ref: ${{ env.SIGN_PIPE_VER }}
-          token: ${{ secrets.SIGN_GITHUB_TOKEN }}
-          inputs: '{ "tag": "${{ github.ref }}" }'
-
-  trigger_darwin_signer:
-    runs-on: ubuntu-latest
-    needs: [release,release_ui_darwin]
-    if: startsWith(github.ref, 'refs/tags/')
-    steps:
-      - name: Trigger Darwin App binaries sign pipeline
-        uses: benc-uk/workflow-dispatch@v1
-        with:
-          workflow: Sign darwin ui app with dispatch
+          workflow: Sign bin and installer
           repo: netbirdio/sign-pipelines
           ref: ${{ env.SIGN_PIPE_VER }}
           token: ${{ secrets.SIGN_GITHUB_TOKEN }}

.github/workflows/test-infrastructure-files.yml

@@ -18,7 +18,31 @@ concurrency:
 jobs:
   test-docker-compose:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        store: [ 'sqlite', 'postgres' ]
+    services:
+      postgres:
+        image: ${{ (matrix.store == 'postgres') && 'postgres' || '' }}
+        env:
+          POSTGRES_USER: netbird
+          POSTGRES_PASSWORD: postgres
+          POSTGRES_DB: netbird
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+        ports:
+          - 5432:5432
     steps:
+      - name: Set Database Connection String
+        run: |
+          if [ "${{ matrix.store }}" == "postgres" ]; then
+            echo "NETBIRD_STORE_ENGINE_POSTGRES_DSN=host=$(hostname -I | awk '{print $1}') user=netbird password=postgres dbname=netbird port=5432" >> $GITHUB_ENV
+          else
+            echo "NETBIRD_STORE_ENGINE_POSTGRES_DSN==" >> $GITHUB_ENV
+          fi
+
       - name: Install jq
         run: sudo apt-get install -y jq
 
@@ -26,12 +50,12 @@ jobs:
         run: sudo apt-get install -y curl
 
       - name: Install Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
-          go-version: "1.21.x"
+          go-version: "1.23.x"
 
       - name: Cache Go modules
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/go/pkg/mod
           key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@@ -39,7 +63,7 @@ jobs:
             ${{ runner.os }}-go-
 
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: cp setup.env
         run: cp infrastructure_files/tests/setup.env infrastructure_files/
@@ -58,7 +82,8 @@ jobs:
           CI_NETBIRD_IDP_MGMT_CLIENT_ID: testing.client.id
           CI_NETBIRD_IDP_MGMT_CLIENT_SECRET: testing.client.secret
           CI_NETBIRD_AUTH_SUPPORTED_SCOPES: "openid profile email offline_access api email_verified"
-          CI_NETBIRD_STORE_CONFIG_ENGINE: "sqlite"
+          CI_NETBIRD_STORE_CONFIG_ENGINE: ${{ matrix.store }}
+          NETBIRD_STORE_ENGINE_POSTGRES_DSN: ${{ env.NETBIRD_STORE_ENGINE_POSTGRES_DSN }}
           CI_NETBIRD_MGMT_IDP_SIGNKEY_REFRESH: false
 
       - name: check values
@@ -85,7 +110,8 @@ jobs:
           CI_NETBIRD_IDP_MGMT_CLIENT_ID: testing.client.id
           CI_NETBIRD_IDP_MGMT_CLIENT_SECRET: testing.client.secret
           CI_NETBIRD_SIGNAL_PORT: 12345
-          CI_NETBIRD_STORE_CONFIG_ENGINE: "sqlite"
+          CI_NETBIRD_STORE_CONFIG_ENGINE: ${{ matrix.store }}
+          NETBIRD_STORE_ENGINE_POSTGRES_DSN: '${{ env.NETBIRD_STORE_ENGINE_POSTGRES_DSN }}$'
           CI_NETBIRD_MGMT_IDP_SIGNKEY_REFRESH: false
           CI_NETBIRD_TURN_EXTERNAL_IP: "1.2.3.4"
 
@@ -123,6 +149,14 @@ jobs:
           grep -A 10 PKCEAuthorizationFlow management.json | grep -A 10 ProviderConfig | grep Scope | grep "$CI_NETBIRD_AUTH_SUPPORTED_SCOPES"
           grep -A 10 PKCEAuthorizationFlow management.json | grep -A 10 ProviderConfig | grep -A 3 RedirectURLs | grep "http://localhost:53000"
           grep "external-ip" turnserver.conf | grep $CI_NETBIRD_TURN_EXTERNAL_IP
+          grep NETBIRD_STORE_ENGINE_POSTGRES_DSN docker-compose.yml | egrep "$NETBIRD_STORE_ENGINE_POSTGRES_DSN"
+          # check relay values
+          grep "NB_EXPOSED_ADDRESS=$CI_NETBIRD_DOMAIN:33445" docker-compose.yml
+          grep "NB_LISTEN_ADDRESS=:33445" docker-compose.yml
+          grep '33445:33445' docker-compose.yml
+          grep -A 10 'relay:' docker-compose.yml | egrep 'NB_AUTH_SECRET=.+$'
+          grep -A 7 Relay management.json | grep "rel://$CI_NETBIRD_DOMAIN:33445"
+          grep -A 7 Relay management.json | egrep '"Secret": ".+"'
 
       - name: Install modules
         run: go mod tidy
@@ -148,26 +182,35 @@ jobs:
         run: |
           docker build -t netbirdio/signal:latest .
 
+      - name: Build relay binary
+        working-directory: relay
+        run: CGO_ENABLED=0 go build -o netbird-relay main.go
+
+      - name: Build relay docker image
+        working-directory: relay
+        run: |
+          docker build -t netbirdio/relay:latest .
+
       - name: run docker compose up
         working-directory: infrastructure_files/artifacts
         run: |
-          docker-compose up -d
+          docker compose up -d
           sleep 5
-          docker-compose ps
-          docker-compose logs --tail=20
+          docker compose ps
+          docker compose logs --tail=20
 
       - name: test running containers
         run: |
           count=$(docker compose ps --format json | jq '. | select(.Name | contains("artifacts")) | .State' | grep -c running)
-          test $count -eq 4
+          test $count -eq 5 || docker compose logs
         working-directory: infrastructure_files/artifacts
 
       - name: test geolocation databases
         working-directory: infrastructure_files/artifacts
         run: |
           sleep 30
-          docker compose exec management ls -l /var/lib/netbird/ | grep -i GeoLite2-City.mmdb
-          docker compose exec management ls -l /var/lib/netbird/ | grep -i geonames.db
+          docker compose exec management ls -l /var/lib/netbird/ | grep -i GeoLite2-City_[0-9]*.mmdb
+          docker compose exec management ls -l /var/lib/netbird/ | grep -i geonames_[0-9]*.db
 
   test-getting-started-script:
     runs-on: ubuntu-latest
@@ -176,7 +219,7 @@ jobs:
         run: sudo apt-get install -y jq
 
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: run script with Zitadel PostgreSQL
         run: NETBIRD_DOMAIN=use-ip bash -x infrastructure_files/getting-started-with-zitadel.sh
@@ -191,7 +234,7 @@ jobs:
         run: test -f management.json
 
       - name: test turnserver.conf file gen postgres
-        run: | 
+        run: |
           set -x
           test -f turnserver.conf
           grep external-ip turnserver.conf
@@ -202,12 +245,15 @@ jobs:
       - name: test dashboard.env file gen postgres
         run: test -f dashboard.env
 
+      - name: test relay.env file gen postgres
+        run: test -f relay.env
+
       - name: test zdb.env file gen postgres
         run: test -f zdb.env
 
       - name: Postgres run cleanup
         run: |
-          docker-compose down --volumes --rmi all
+          docker compose down --volumes --rmi all
           rm -rf docker-compose.yml Caddyfile zitadel.env dashboard.env machinekey/zitadel-admin-sa.token turnserver.conf management.json zdb.env
 
       - name: run script with Zitadel CockroachDB
@@ -226,7 +272,7 @@ jobs:
         run: test -f management.json
 
       - name: test turnserver.conf file gen CockroachDB
-        run: | 
+        run: |
           set -x
           test -f turnserver.conf
           grep external-ip turnserver.conf
@@ -237,20 +283,5 @@ jobs:
       - name: test dashboard.env file gen CockroachDB
         run: test -f dashboard.env
 
-  test-download-geolite2-script:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Install jq
-        run: sudo apt-get update && sudo apt-get install -y unzip sqlite3
-
-      - name: Checkout code
-        uses: actions/checkout@v3
-
-      - name: test script
-        run: bash -x infrastructure_files/download-geolite2.sh
-
-      - name: test mmdb file exists
-        run: test -f GeoLite2-City.mmdb
-
-      - name: test geonames file exists
-        run: test -f geonames.db
+      - name: test relay.env file gen CockroachDB
+        run: test -f relay.env

.gitignore

@@ -29,4 +29,3 @@ infrastructure_files/setup.env
 infrastructure_files/setup-*.env
 .vscode
 .DS_Store
-GeoLite2-City*

.goreleaser.yaml

@@ -80,6 +80,20 @@ builds:
       - -s -w -X github.com/netbirdio/netbird/version.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{.CommitDate}} -X main.builtBy=goreleaser
     mod_timestamp: '{{ .CommitTimestamp }}'
 
+  - id: netbird-relay
+    dir: relay
+    env: [CGO_ENABLED=0]
+    binary: netbird-relay
+    goos:
+      - linux
+    goarch:
+      - amd64
+      - arm64
+      - arm
+    ldflags:
+      - -s -w -X github.com/netbirdio/netbird/version.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{.CommitDate}} -X main.builtBy=goreleaser
+    mod_timestamp: '{{ .CommitTimestamp }}'
+
 archives:
   - builds:
       - netbird
@@ -161,6 +175,52 @@ dockers:
       - "--label=org.opencontainers.image.revision={{.FullCommit}}"
       - "--label=org.opencontainers.image.version={{.Version}}"
       - "--label=maintainer=dev@netbird.io"
+  - image_templates:
+      - netbirdio/relay:{{ .Version }}-amd64
+    ids:
+      - netbird-relay
+    goarch: amd64
+    use: buildx
+    dockerfile: relay/Dockerfile
+    build_flag_templates:
+      - "--platform=linux/amd64"
+      - "--label=org.opencontainers.image.created={{.Date}}"
+      - "--label=org.opencontainers.image.title={{.ProjectName}}"
+      - "--label=org.opencontainers.image.version={{.Version}}"
+      - "--label=org.opencontainers.image.revision={{.FullCommit}}"
+      - "--label=org.opencontainers.image.version={{.Version}}"
+      - "--label=maintainer=dev@netbird.io"
+  - image_templates:
+      - netbirdio/relay:{{ .Version }}-arm64v8
+    ids:
+      - netbird-relay
+    goarch: arm64
+    use: buildx
+    dockerfile: relay/Dockerfile
+    build_flag_templates:
+      - "--platform=linux/arm64"
+      - "--label=org.opencontainers.image.created={{.Date}}"
+      - "--label=org.opencontainers.image.title={{.ProjectName}}"
+      - "--label=org.opencontainers.image.version={{.Version}}"
+      - "--label=org.opencontainers.image.revision={{.FullCommit}}"
+      - "--label=org.opencontainers.image.version={{.Version}}"
+      - "--label=maintainer=dev@netbird.io"
+  - image_templates:
+      - netbirdio/relay:{{ .Version }}-arm
+    ids:
+      - netbird-relay
+    goarch: arm
+    goarm: 6
+    use: buildx
+    dockerfile: relay/Dockerfile
+    build_flag_templates:
+      - "--platform=linux/arm"
+      - "--label=org.opencontainers.image.created={{.Date}}"
+      - "--label=org.opencontainers.image.title={{.ProjectName}}"
+      - "--label=org.opencontainers.image.version={{.Version}}"
+      - "--label=org.opencontainers.image.revision={{.FullCommit}}"
+      - "--label=org.opencontainers.image.version={{.Version}}"
+      - "--label=maintainer=dev@netbird.io"
   - image_templates:
       - netbirdio/signal:{{ .Version }}-amd64
     ids:
@@ -313,6 +373,18 @@ docker_manifests:
       - netbirdio/netbird:{{ .Version }}-arm
       - netbirdio/netbird:{{ .Version }}-amd64
 
+  - name_template: netbirdio/relay:{{ .Version }}
+    image_templates:
+      - netbirdio/relay:{{ .Version }}-arm64v8
+      - netbirdio/relay:{{ .Version }}-arm
+      - netbirdio/relay:{{ .Version }}-amd64
+
+  - name_template: netbirdio/relay:latest
+    image_templates:
+      - netbirdio/relay:{{ .Version }}-arm64v8
+      - netbirdio/relay:{{ .Version }}-arm
+      - netbirdio/relay:{{ .Version }}-amd64
+
   - name_template: netbirdio/signal:{{ .Version }}
     image_templates:
       - netbirdio/signal:{{ .Version }}-arm64v8
@@ -386,4 +458,4 @@ checksum:
 release:
   extra_files:
     - glob: ./infrastructure_files/getting-started-with-zitadel.sh
-    - glob: ./release_files/install.sh
+    - glob: ./release_files/install.sh

.goreleaser_ui.yaml

@@ -11,8 +11,6 @@ builds:
       - amd64
     ldflags:
       - -s -w -X github.com/netbirdio/netbird/version.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{.CommitDate}} -X main.builtBy=goreleaser
-    tags:
-      - legacy_appindicator
     mod_timestamp: '{{ .CommitTimestamp }}'
 
   - id: netbird-ui-windows

README.md

@@ -10,12 +10,14 @@
   <img width="234" src="docs/media/logo-full.png"/>
 </p>
   <p>
+   <a href="https://img.shields.io/badge/license-BSD--3-blue)">
+       <img src="https://sonarcloud.io/api/project_badges/measure?project=netbirdio_netbird&metric=alert_status" />
+     </a> 
      <a href="https://github.com/netbirdio/netbird/blob/main/LICENSE">
        <img src="https://img.shields.io/badge/license-BSD--3-blue" />
      </a> 
-   <a href="https://www.codacy.com/gh/netbirdio/netbird/dashboard?utm_source=github.com&amp;utm_medium=referral&amp;utm_content=netbirdio/netbird&amp;utm_campaign=Badge_Grade"><img src="https://app.codacy.com/project/badge/Grade/e3013d046aec44cdb7462c8673b00976"/></a>
     <br>
-    <a href="https://join.slack.com/t/netbirdio/shared_invite/zt-vrahf41g-ik1v7fV8du6t0RwxSrJ96A">
+    <a href="https://join.slack.com/t/netbirdio/shared_invite/zt-2p5zwhm4g-8fHollzrQa5y4PZF5AEpvQ">
         <img src="https://img.shields.io/badge/slack-@netbird-red.svg?logo=slack"/>
      </a>    
   </p>
@@ -28,7 +30,7 @@
   <br/>
   See <a href="https://netbird.io/docs/">Documentation</a>
   <br/>
-   Join our <a href="https://join.slack.com/t/netbirdio/shared_invite/zt-vrahf41g-ik1v7fV8du6t0RwxSrJ96A">Slack channel</a>
+   Join our <a href="https://join.slack.com/t/netbirdio/shared_invite/zt-2p5zwhm4g-8fHollzrQa5y4PZF5AEpvQ">Slack channel</a>
   <br/>
  
 </strong>

client/Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.19
+FROM alpine:3.20
 RUN apk add --no-cache ca-certificates iptables ip6tables
 ENV NB_FOREGROUND_MODE=true
 ENTRYPOINT [ "/usr/local/bin/netbird","up"]

client/android/login.go

@@ -84,7 +84,7 @@ func (a *Auth) SaveConfigIfSSOSupported(listener SSOListener) {
 func (a *Auth) saveConfigIfSSOSupported() (bool, error) {
 	supportsSSO := true
 	err := a.withBackOff(a.ctx, func() (err error) {
-		_, err = internal.GetPKCEAuthorizationFlowInfo(a.ctx, a.config.PrivateKey, a.config.ManagementURL)
+		_, err = internal.GetPKCEAuthorizationFlowInfo(a.ctx, a.config.PrivateKey, a.config.ManagementURL, nil)
 		if s, ok := gstatus.FromError(err); ok && (s.Code() == codes.NotFound || s.Code() == codes.Unimplemented) {
 			_, err = internal.GetDeviceAuthorizationFlowInfo(a.ctx, a.config.PrivateKey, a.config.ManagementURL)
 			s, ok := gstatus.FromError(err)

client/anonymize/anonymize.go

@@ -178,6 +178,21 @@ func (a *Anonymizer) AnonymizeDNSLogLine(logEntry string) string {
 	})
 }
 
+// AnonymizeRoute anonymizes a route string by replacing IP addresses with anonymized versions and
+// domain names with random strings.
+func (a *Anonymizer) AnonymizeRoute(route string) string {
+	prefix, err := netip.ParsePrefix(route)
+	if err == nil {
+		ip := a.AnonymizeIPString(prefix.Addr().String())
+		return fmt.Sprintf("%s/%d", ip, prefix.Bits())
+	}
+	domains := strings.Split(route, ", ")
+	for i, domain := range domains {
+		domains[i] = a.AnonymizeDomain(domain)
+	}
+	return strings.Join(domains, ", ")
+}
+
 func isWellKnown(addr netip.Addr) bool {
 	wellKnown := []string{
 		"8.8.8.8", "8.8.4.4", // Google DNS IPv4

client/cmd/debug.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"time"
 
+	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
 	"google.golang.org/grpc/status"
 
@@ -13,6 +14,8 @@ import (
 	"github.com/netbirdio/netbird/client/server"
 )
 
+const errCloseConnection = "Failed to close connection: %v"
+
 var debugCmd = &cobra.Command{
 	Use:   "debug",
 	Short: "Debugging commands",
@@ -63,12 +66,17 @@ func debugBundle(cmd *cobra.Command, _ []string) error {
 	if err != nil {
 		return err
 	}
-	defer conn.Close()
+	defer func() {
+		if err := conn.Close(); err != nil {
+			log.Errorf(errCloseConnection, err)
+		}
+	}()
 
 	client := proto.NewDaemonServiceClient(conn)
 	resp, err := client.DebugBundle(cmd.Context(), &proto.DebugBundleRequest{
-		Anonymize: anonymizeFlag,
-		Status:    getStatusOutput(cmd),
+		Anonymize:  anonymizeFlag,
+		Status:     getStatusOutput(cmd),
+		SystemInfo: debugSystemInfoFlag,
 	})
 	if err != nil {
 		return fmt.Errorf("failed to bundle debug: %v", status.Convert(err).Message())
@@ -84,7 +92,11 @@ func setLogLevel(cmd *cobra.Command, args []string) error {
 	if err != nil {
 		return err
 	}
-	defer conn.Close()
+	defer func() {
+		if err := conn.Close(); err != nil {
+			log.Errorf(errCloseConnection, err)
+		}
+	}()
 
 	client := proto.NewDaemonServiceClient(conn)
 	level := server.ParseLogLevel(args[0])
@@ -113,7 +125,11 @@ func runForDuration(cmd *cobra.Command, args []string) error {
 	if err != nil {
 		return err
 	}
-	defer conn.Close()
+	defer func() {
+		if err := conn.Close(); err != nil {
+			log.Errorf(errCloseConnection, err)
+		}
+	}()
 
 	client := proto.NewDaemonServiceClient(conn)
 
@@ -122,17 +138,20 @@ func runForDuration(cmd *cobra.Command, args []string) error {
 		return fmt.Errorf("failed to get status: %v", status.Convert(err).Message())
 	}
 
-	restoreUp := stat.Status == string(internal.StatusConnected) || stat.Status == string(internal.StatusConnecting)
+	stateWasDown := stat.Status != string(internal.StatusConnected) && stat.Status != string(internal.StatusConnecting)
 
 	initialLogLevel, err := client.GetLogLevel(cmd.Context(), &proto.GetLogLevelRequest{})
 	if err != nil {
 		return fmt.Errorf("failed to get log level: %v", status.Convert(err).Message())
 	}
 
-	if _, err := client.Down(cmd.Context(), &proto.DownRequest{}); err != nil {
-		return fmt.Errorf("failed to down: %v", status.Convert(err).Message())
+	if stateWasDown {
+		if _, err := client.Up(cmd.Context(), &proto.UpRequest{}); err != nil {
+			return fmt.Errorf("failed to up: %v", status.Convert(err).Message())
+		}
+		cmd.Println("Netbird up")
+		time.Sleep(time.Second * 10)
 	}
-	cmd.Println("Netbird down")
 
 	initialLevelTrace := initialLogLevel.GetLevel() >= proto.LogLevel_TRACE
 	if !initialLevelTrace {
@@ -145,6 +164,11 @@ func runForDuration(cmd *cobra.Command, args []string) error {
 		cmd.Println("Log level set to trace.")
 	}
 
+	if _, err := client.Down(cmd.Context(), &proto.DownRequest{}); err != nil {
+		return fmt.Errorf("failed to down: %v", status.Convert(err).Message())
+	}
+	cmd.Println("Netbird down")
+
 	time.Sleep(1 * time.Second)
 
 	if _, err := client.Up(cmd.Context(), &proto.UpRequest{}); err != nil {
@@ -162,21 +186,25 @@ func runForDuration(cmd *cobra.Command, args []string) error {
 	}
 	cmd.Println("\nDuration completed")
 
+	cmd.Println("Creating debug bundle...")
+
 	headerPreDown := fmt.Sprintf("----- Netbird pre-down - Timestamp: %s - Duration: %s", time.Now().Format(time.RFC3339), duration)
 	statusOutput = fmt.Sprintf("%s\n%s\n%s", statusOutput, headerPreDown, getStatusOutput(cmd))
 
-	if _, err := client.Down(cmd.Context(), &proto.DownRequest{}); err != nil {
-		return fmt.Errorf("failed to down: %v", status.Convert(err).Message())
+	resp, err := client.DebugBundle(cmd.Context(), &proto.DebugBundleRequest{
+		Anonymize:  anonymizeFlag,
+		Status:     statusOutput,
+		SystemInfo: debugSystemInfoFlag,
+	})
+	if err != nil {
+		return fmt.Errorf("failed to bundle debug: %v", status.Convert(err).Message())
 	}
-	cmd.Println("Netbird down")
 
-	time.Sleep(1 * time.Second)
-
-	if restoreUp {
-		if _, err := client.Up(cmd.Context(), &proto.UpRequest{}); err != nil {
-			return fmt.Errorf("failed to up: %v", status.Convert(err).Message())
+	if stateWasDown {
+		if _, err := client.Down(cmd.Context(), &proto.DownRequest{}); err != nil {
+			return fmt.Errorf("failed to down: %v", status.Convert(err).Message())
 		}
-		cmd.Println("Netbird up")
+		cmd.Println("Netbird down")
 	}
 
 	if !initialLevelTrace {
@@ -186,16 +214,6 @@ func runForDuration(cmd *cobra.Command, args []string) error {
 		cmd.Println("Log level restored to", initialLogLevel.GetLevel())
 	}
 
-	cmd.Println("Creating debug bundle...")
-
-	resp, err := client.DebugBundle(cmd.Context(), &proto.DebugBundleRequest{
-		Anonymize: anonymizeFlag,
-		Status:    statusOutput,
-	})
-	if err != nil {
-		return fmt.Errorf("failed to bundle debug: %v", status.Convert(err).Message())
-	}
-
 	cmd.Println(resp.GetPath())
 
 	return nil

client/cmd/down.go

@@ -42,6 +42,8 @@ var downCmd = &cobra.Command{
 			log.Errorf("call service down method: %v", err)
 			return err
 		}
+
+		cmd.Println("Disconnected")
 		return nil
 	},
 }

client/cmd/login.go

@@ -39,6 +39,11 @@ var loginCmd = &cobra.Command{
 			ctx = context.WithValue(ctx, system.DeviceNameCtxKey, hostName)
 		}
 
+		providedSetupKey, err := getSetupKey()
+		if err != nil {
+			return err
+		}
+
 		// workaround to run without service
 		if logFile == "console" {
 			err = handleRebrand(cmd)
@@ -62,7 +67,7 @@ var loginCmd = &cobra.Command{
 
 			config, _ = internal.UpdateOldManagementURL(ctx, config, configPath)
 
-			err = foregroundLogin(ctx, cmd, config, setupKey)
+			err = foregroundLogin(ctx, cmd, config, providedSetupKey)
 			if err != nil {
 				return fmt.Errorf("foreground login failed: %v", err)
 			}
@@ -81,7 +86,7 @@ var loginCmd = &cobra.Command{
 		client := proto.NewDaemonServiceClient(conn)
 
 		loginRequest := proto.LoginRequest{
-			SetupKey:             setupKey,
+			SetupKey:             providedSetupKey,
 			ManagementUrl:        managementURL,
 			IsLinuxDesktopClient: isLinuxRunningDesktop(),
 			Hostname:             hostName,

client/cmd/root.go

@@ -37,6 +37,7 @@ const (
 	serverSSHAllowedFlag    = "allow-server-ssh"
 	extraIFaceBlackListFlag = "extra-iface-blacklist"
 	dnsRouteIntervalFlag    = "dns-router-interval"
+	systemInfoFlag          = "system-info"
 )
 
 var (
@@ -55,6 +56,7 @@ var (
 	managementURL           string
 	adminURL                string
 	setupKey                string
+	setupKeyPath            string
 	hostName                string
 	preSharedKey            string
 	natExternalIPs          []string
@@ -69,6 +71,7 @@ var (
 	autoConnectDisabled     bool
 	extraIFaceBlackList     []string
 	anonymizeFlag           bool
+	debugSystemInfoFlag     bool
 	dnsRouteInterval        time.Duration
 
 	rootCmd = &cobra.Command{
@@ -91,12 +94,15 @@ func init() {
 	oldDefaultConfigPathDir = "/etc/wiretrustee/"
 	oldDefaultLogFileDir = "/var/log/wiretrustee/"
 
-	if runtime.GOOS == "windows" {
+	switch runtime.GOOS {
+	case "windows":
 		defaultConfigPathDir = os.Getenv("PROGRAMDATA") + "\\Netbird\\"
 		defaultLogFileDir = os.Getenv("PROGRAMDATA") + "\\Netbird\\"
 
 		oldDefaultConfigPathDir = os.Getenv("PROGRAMDATA") + "\\Wiretrustee\\"
 		oldDefaultLogFileDir = os.Getenv("PROGRAMDATA") + "\\Wiretrustee\\"
+	case "freebsd":
+		defaultConfigPathDir = "/var/db/netbird/"
 	}
 
 	defaultConfigPath = defaultConfigPathDir + "config.json"
@@ -123,6 +129,8 @@ func init() {
 	rootCmd.PersistentFlags().StringVarP(&logLevel, "log-level", "l", "info", "sets Netbird log level")
 	rootCmd.PersistentFlags().StringVar(&logFile, "log-file", defaultLogFile, "sets Netbird log path. If console is specified the log will be output to stdout. If syslog is specified the log will be sent to syslog daemon.")
 	rootCmd.PersistentFlags().StringVarP(&setupKey, "setup-key", "k", "", "Setup key obtained from the Management Service Dashboard (used to register peer)")
+	rootCmd.PersistentFlags().StringVar(&setupKeyPath, "setup-key-file", "", "The path to a setup key obtained from the Management Service Dashboard (used to register peer) This is ignored if the setup-key flag is provided.")
+	rootCmd.MarkFlagsMutuallyExclusive("setup-key", "setup-key-file")
 	rootCmd.PersistentFlags().StringVar(&preSharedKey, preSharedKeyFlag, "", "Sets Wireguard PreSharedKey property. If set, then only peers that have the same key can communicate.")
 	rootCmd.PersistentFlags().StringVarP(&hostName, "hostname", "n", "", "Sets a custom hostname for the device")
 	rootCmd.PersistentFlags().BoolVarP(&anonymizeFlag, "anonymize", "A", false, "anonymize IP addresses and non-netbird.io domains in logs and status output")
@@ -165,6 +173,8 @@ func init() {
 	upCmd.PersistentFlags().BoolVar(&rosenpassPermissive, rosenpassPermissiveFlag, false, "[Experimental] Enable Rosenpass in permissive mode to allow this peer to accept WireGuard connections without requiring Rosenpass functionality from peers that do not have Rosenpass enabled.")
 	upCmd.PersistentFlags().BoolVar(&serverSSHAllowed, serverSSHAllowedFlag, false, "Allow SSH server on peer. If enabled, the SSH server will be permitted")
 	upCmd.PersistentFlags().BoolVar(&autoConnectDisabled, disableAutoConnectFlag, false, "Disables auto-connect feature. If enabled, then the client won't connect automatically when the service starts.")
+
+	debugCmd.PersistentFlags().BoolVarP(&debugSystemInfoFlag, systemInfoFlag, "S", false, "Adds system information to the debug bundle")
 }
 
 // SetupCloseHandler handles SIGTERM signal and exits with success
@@ -246,6 +256,21 @@ var CLIBackOffSettings = &backoff.ExponentialBackOff{
 	Clock:               backoff.SystemClock,
 }
 
+func getSetupKey() (string, error) {
+	if setupKeyPath != "" && setupKey == "" {
+		return getSetupKeyFromFile(setupKeyPath)
+	}
+	return setupKey, nil
+}
+
+func getSetupKeyFromFile(setupKeyPath string) (string, error) {
+	data, err := os.ReadFile(setupKeyPath)
+	if err != nil {
+		return "", fmt.Errorf("failed to read setup key file: %v", err)
+	}
+	return strings.TrimSpace(string(data)), nil
+}
+
 func handleRebrand(cmd *cobra.Command) error {
 	var err error
 	if logFile == defaultLogFile {

client/cmd/root_test.go

@@ -4,6 +4,10 @@ import (
 	"fmt"
 	"io"
 	"testing"
+
+	"github.com/spf13/cobra"
+
+	"github.com/netbirdio/netbird/iface"
 )
 
 func TestInitCommands(t *testing.T) {
@@ -34,3 +38,44 @@ func TestInitCommands(t *testing.T) {
 		})
 	}
 }
+
+func TestSetFlagsFromEnvVars(t *testing.T) {
+	var cmd = &cobra.Command{
+		Use:          "netbird",
+		Long:         "test",
+		SilenceUsage: true,
+		Run: func(cmd *cobra.Command, args []string) {
+			SetFlagsFromEnvVars(cmd)
+		},
+	}
+
+	cmd.PersistentFlags().StringSliceVar(&natExternalIPs, externalIPMapFlag, nil,
+		`comma separated list of external IPs to map to the Wireguard interface`)
+	cmd.PersistentFlags().StringVar(&interfaceName, interfaceNameFlag, iface.WgInterfaceDefault, "Wireguard interface name")
+	cmd.PersistentFlags().BoolVar(&rosenpassEnabled, enableRosenpassFlag, false, "Enable Rosenpass feature Rosenpass.")
+	cmd.PersistentFlags().Uint16Var(&wireguardPort, wireguardPortFlag, iface.DefaultWgPort, "Wireguard interface listening port")
+
+	t.Setenv("NB_EXTERNAL_IP_MAP", "abc,dec")
+	t.Setenv("NB_INTERFACE_NAME", "test-name")
+	t.Setenv("NB_ENABLE_ROSENPASS", "true")
+	t.Setenv("NB_WIREGUARD_PORT", "10000")
+	err := cmd.Execute()
+	if err != nil {
+		t.Fatalf("expected no error while running netbird command, got %v", err)
+	}
+	if len(natExternalIPs) != 2 {
+		t.Errorf("expected 2 external ips, got %d", len(natExternalIPs))
+	}
+	if natExternalIPs[0] != "abc" || natExternalIPs[1] != "dec" {
+		t.Errorf("expected abc,dec, got %s,%s", natExternalIPs[0], natExternalIPs[1])
+	}
+	if interfaceName != "test-name" {
+		t.Errorf("expected test-name, got %s", interfaceName)
+	}
+	if !rosenpassEnabled {
+		t.Errorf("expected rosenpassEnabled to be true, got false")
+	}
+	if wireguardPort != 10000 {
+		t.Errorf("expected wireguardPort to be 10000, got %d", wireguardPort)
+	}
+}

client/cmd/service.go

@@ -2,18 +2,21 @@ package cmd
 
 import (
 	"context"
+
 	"github.com/kardianos/service"
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
 	"google.golang.org/grpc"
 
 	"github.com/netbirdio/netbird/client/internal"
+	"github.com/netbirdio/netbird/client/server"
 )
 
 type program struct {
-	ctx    context.Context
-	cancel context.CancelFunc
-	serv   *grpc.Server
+	ctx            context.Context
+	cancel         context.CancelFunc
+	serv           *grpc.Server
+	serverInstance *server.Server
 }
 
 func newProgram(ctx context.Context, cancel context.CancelFunc) *program {

client/cmd/service_controller.go

@@ -61,6 +61,8 @@ func (p *program) Start(svc service.Service) error {
 		}
 		proto.RegisterDaemonServiceServer(p.serv, serverInstance)
 
+		p.serverInstance = serverInstance
+
 		log.Printf("started daemon server: %v", split[1])
 		if err := p.serv.Serve(listen); err != nil {
 			log.Errorf("failed to serve daemon requests: %v", err)
@@ -70,6 +72,14 @@ func (p *program) Start(svc service.Service) error {
 }
 
 func (p *program) Stop(srv service.Service) error {
+	if p.serverInstance != nil {
+		in := new(proto.DownRequest)
+		_, err := p.serverInstance.Down(p.ctx, in)
+		if err != nil {
+			log.Errorf("failed to stop daemon: %v", err)
+		}
+	}
+
 	p.cancel()
 
 	if p.serv != nil {

client/cmd/service_installer.go

@@ -31,6 +31,8 @@ var installCmd = &cobra.Command{
 			configPath,
 			"--log-level",
 			logLevel,
+			"--daemon-addr",
+			daemonAddr,
 		}
 
 		if managementURL != "" {

client/cmd/status.go

@@ -31,9 +31,9 @@ type peerStateDetailOutput struct {
 	Status                 string           `json:"status" yaml:"status"`
 	LastStatusUpdate       time.Time        `json:"lastStatusUpdate" yaml:"lastStatusUpdate"`
 	ConnType               string           `json:"connectionType" yaml:"connectionType"`
-	Direct                 bool             `json:"direct" yaml:"direct"`
 	IceCandidateType       iceCandidateType `json:"iceCandidateType" yaml:"iceCandidateType"`
 	IceCandidateEndpoint   iceCandidateType `json:"iceCandidateEndpoint" yaml:"iceCandidateEndpoint"`
+	RelayAddress           string           `json:"relayAddress" yaml:"relayAddress"`
 	LastWireguardHandshake time.Time        `json:"lastWireguardHandshake" yaml:"lastWireguardHandshake"`
 	TransferReceived       int64            `json:"transferReceived" yaml:"transferReceived"`
 	TransferSent           int64            `json:"transferSent" yaml:"transferSent"`
@@ -335,16 +335,18 @@ func mapNSGroups(servers []*proto.NSGroupState) []nsServerGroupStateOutput {
 
 func mapPeers(peers []*proto.PeerState) peersStateOutput {
 	var peersStateDetail []peerStateDetailOutput
-	localICE := ""
-	remoteICE := ""
-	localICEEndpoint := ""
-	remoteICEEndpoint := ""
-	connType := ""
 	peersConnected := 0
-	lastHandshake := time.Time{}
-	transferReceived := int64(0)
-	transferSent := int64(0)
 	for _, pbPeerState := range peers {
+		localICE := ""
+		remoteICE := ""
+		localICEEndpoint := ""
+		remoteICEEndpoint := ""
+		relayServerAddress := ""
+		connType := ""
+		lastHandshake := time.Time{}
+		transferReceived := int64(0)
+		transferSent := int64(0)
+
 		isPeerConnected := pbPeerState.ConnStatus == peer.StatusConnected.String()
 		if skipDetailByFilters(pbPeerState, isPeerConnected) {
 			continue
@@ -360,6 +362,7 @@ func mapPeers(peers []*proto.PeerState) peersStateOutput {
 			if pbPeerState.Relayed {
 				connType = "Relayed"
 			}
+			relayServerAddress = pbPeerState.GetRelayAddress()
 			lastHandshake = pbPeerState.GetLastWireguardHandshake().AsTime().Local()
 			transferReceived = pbPeerState.GetBytesRx()
 			transferSent = pbPeerState.GetBytesTx()
@@ -372,7 +375,6 @@ func mapPeers(peers []*proto.PeerState) peersStateOutput {
 			Status:           pbPeerState.GetConnStatus(),
 			LastStatusUpdate: timeLocal,
 			ConnType:         connType,
-			Direct:           pbPeerState.GetDirect(),
 			IceCandidateType: iceCandidateType{
 				Local:  localICE,
 				Remote: remoteICE,
@@ -381,6 +383,7 @@ func mapPeers(peers []*proto.PeerState) peersStateOutput {
 				Local:  localICEEndpoint,
 				Remote: remoteICEEndpoint,
 			},
+			RelayAddress:           relayServerAddress,
 			FQDN:                   pbPeerState.GetFqdn(),
 			LastWireguardHandshake: lastHandshake,
 			TransferReceived:       transferReceived,
@@ -641,9 +644,9 @@ func parsePeers(peers peersStateOutput, rosenpassEnabled, rosenpassPermissive bo
 				"  Status: %s\n"+
 				"  -- detail --\n"+
 				"  Connection type: %s\n"+
-				"  Direct: %t\n"+
 				"  ICE candidate (Local/Remote): %s/%s\n"+
 				"  ICE candidate endpoints (Local/Remote): %s/%s\n"+
+				"  Relay server address: %s\n"+
 				"  Last connection update: %s\n"+
 				"  Last WireGuard handshake: %s\n"+
 				"  Transfer status (received/sent) %s/%s\n"+
@@ -655,11 +658,11 @@ func parsePeers(peers peersStateOutput, rosenpassEnabled, rosenpassPermissive bo
 			peerState.PubKey,
 			peerState.Status,
 			peerState.ConnType,
-			peerState.Direct,
 			localICE,
 			remoteICE,
 			localICEEndpoint,
 			remoteICEEndpoint,
+			peerState.RelayAddress,
 			timeAgo(peerState.LastStatusUpdate),
 			timeAgo(peerState.LastWireguardHandshake),
 			toIEC(peerState.TransferReceived),
@@ -807,7 +810,7 @@ func anonymizePeerDetail(a *anonymize.Anonymizer, peer *peerStateDetailOutput) {
 	}
 
 	for i, route := range peer.Routes {
-		peer.Routes[i] = anonymizeRoute(a, route)
+		peer.Routes[i] = a.AnonymizeRoute(route)
 	}
 }
 
@@ -843,21 +846,8 @@ func anonymizeOverview(a *anonymize.Anonymizer, overview *statusOutputOverview)
 	}
 
 	for i, route := range overview.Routes {
-		overview.Routes[i] = anonymizeRoute(a, route)
+		overview.Routes[i] = a.AnonymizeRoute(route)
 	}
 
 	overview.FQDN = a.AnonymizeDomain(overview.FQDN)
 }
-
-func anonymizeRoute(a *anonymize.Anonymizer, route string) string {
-	prefix, err := netip.ParsePrefix(route)
-	if err == nil {
-		ip := a.AnonymizeIPString(prefix.Addr().String())
-		return fmt.Sprintf("%s/%d", ip, prefix.Bits())
-	}
-	domains := strings.Split(route, ", ")
-	for i, domain := range domains {
-		domains[i] = a.AnonymizeDomain(domain)
-	}
-	return strings.Join(domains, ", ")
-}

client/cmd/status_test.go

@@ -37,7 +37,6 @@ var resp = &proto.StatusResponse{
 				ConnStatus:                 "Connected",
 				ConnStatusUpdate:           timestamppb.New(time.Date(2001, time.Month(1), 1, 1, 1, 1, 0, time.UTC)),
 				Relayed:                    false,
-				Direct:                     true,
 				LocalIceCandidateType:      "",
 				RemoteIceCandidateType:     "",
 				LocalIceCandidateEndpoint:  "",
@@ -57,7 +56,6 @@ var resp = &proto.StatusResponse{
 				ConnStatus:                 "Connected",
 				ConnStatusUpdate:           timestamppb.New(time.Date(2002, time.Month(2), 2, 2, 2, 2, 0, time.UTC)),
 				Relayed:                    true,
-				Direct:                     false,
 				LocalIceCandidateType:      "relay",
 				RemoteIceCandidateType:     "prflx",
 				LocalIceCandidateEndpoint:  "10.0.0.1:10001",
@@ -137,7 +135,6 @@ var overview = statusOutputOverview{
 				Status:           "Connected",
 				LastStatusUpdate: time.Date(2001, 1, 1, 1, 1, 1, 0, time.UTC),
 				ConnType:         "P2P",
-				Direct:           true,
 				IceCandidateType: iceCandidateType{
 					Local:  "",
 					Remote: "",
@@ -161,7 +158,6 @@ var overview = statusOutputOverview{
 				Status:           "Connected",
 				LastStatusUpdate: time.Date(2002, 2, 2, 2, 2, 2, 0, time.UTC),
 				ConnType:         "Relayed",
-				Direct:           false,
 				IceCandidateType: iceCandidateType{
 					Local:  "relay",
 					Remote: "prflx",
@@ -283,7 +279,6 @@ func TestParsingToJSON(t *testing.T) {
                 "status": "Connected",
                 "lastStatusUpdate": "2001-01-01T01:01:01Z",
                 "connectionType": "P2P",
-                "direct": true,
                 "iceCandidateType": {
                   "local": "",
                   "remote": ""
@@ -292,6 +287,7 @@ func TestParsingToJSON(t *testing.T) {
                   "local": "",
                   "remote": ""
                 },
+				"relayAddress": "",
                 "lastWireguardHandshake": "2001-01-01T01:01:02Z",
                 "transferReceived": 200,
                 "transferSent": 100,
@@ -308,7 +304,6 @@ func TestParsingToJSON(t *testing.T) {
                 "status": "Connected",
                 "lastStatusUpdate": "2002-02-02T02:02:02Z",
                 "connectionType": "Relayed",
-                "direct": false,
                 "iceCandidateType": {
                   "local": "relay",
                   "remote": "prflx"
@@ -317,6 +312,7 @@ func TestParsingToJSON(t *testing.T) {
                   "local": "10.0.0.1:10001",
                   "remote": "10.0.10.1:10002"
                 },
+				"relayAddress": "",
                 "lastWireguardHandshake": "2002-02-02T02:02:03Z",
                 "transferReceived": 2000,
                 "transferSent": 1000,
@@ -408,13 +404,13 @@ func TestParsingToYAML(t *testing.T) {
           status: Connected
           lastStatusUpdate: 2001-01-01T01:01:01Z
           connectionType: P2P
-          direct: true
           iceCandidateType:
             local: ""
             remote: ""
           iceCandidateEndpoint:
             local: ""
             remote: ""
+          relayAddress: ""
           lastWireguardHandshake: 2001-01-01T01:01:02Z
           transferReceived: 200
           transferSent: 100
@@ -428,13 +424,13 @@ func TestParsingToYAML(t *testing.T) {
           status: Connected
           lastStatusUpdate: 2002-02-02T02:02:02Z
           connectionType: Relayed
-          direct: false
           iceCandidateType:
             local: relay
             remote: prflx
           iceCandidateEndpoint:
             local: 10.0.0.1:10001
             remote: 10.0.10.1:10002
+          relayAddress: ""
           lastWireguardHandshake: 2002-02-02T02:02:03Z
           transferReceived: 2000
           transferSent: 1000
@@ -505,9 +501,9 @@ func TestParsingToDetail(t *testing.T) {
   Status: Connected
   -- detail --
   Connection type: P2P
-  Direct: true
   ICE candidate (Local/Remote): -/-
   ICE candidate endpoints (Local/Remote): -/-
+  Relay server address: 
   Last connection update: %s
   Last WireGuard handshake: %s
   Transfer status (received/sent) 200 B/100 B
@@ -521,9 +517,9 @@ func TestParsingToDetail(t *testing.T) {
   Status: Connected
   -- detail --
   Connection type: Relayed
-  Direct: false
   ICE candidate (Local/Remote): relay/prflx
   ICE candidate endpoints (Local/Remote): 10.0.0.1:10001/10.0.10.1:10002
+  Relay server address: 
   Last connection update: %s
   Last WireGuard handshake: %s
   Transfer status (received/sent) 2.0 KiB/1000 B

client/cmd/testutil_test.go

@@ -11,6 +11,7 @@ import (
 	"go.opentelemetry.io/otel"
 
 	"github.com/netbirdio/netbird/management/server/activity"
+	"github.com/netbirdio/netbird/management/server/telemetry"
 
 	"github.com/netbirdio/netbird/util"
 
@@ -71,6 +72,7 @@ func startSignal(t *testing.T) (*grpc.Server, net.Listener) {
 
 func startManagement(t *testing.T, config *mgmt.Config) (*grpc.Server, net.Listener) {
 	t.Helper()
+
 	lis, err := net.Listen("tcp", ":0")
 	if err != nil {
 		t.Fatal(err)
@@ -88,12 +90,17 @@ func startManagement(t *testing.T, config *mgmt.Config) (*grpc.Server, net.Liste
 		return nil, nil
 	}
 	iv, _ := integrations.NewIntegratedValidator(context.Background(), eventStore)
-	accountManager, err := mgmt.BuildManager(context.Background(), store, peersUpdateManager, nil, "", "netbird.selfhosted", eventStore, nil, false, iv)
+
+	metrics, err := telemetry.NewDefaultAppMetrics(context.Background())
+	require.NoError(t, err)
+
+	accountManager, err := mgmt.BuildManager(context.Background(), store, peersUpdateManager, nil, "", "netbird.selfhosted", eventStore, nil, false, iv, metrics)
 	if err != nil {
 		t.Fatal(err)
 	}
-	turnManager := mgmt.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig)
-	mgmtServer, err := mgmt.NewServer(context.Background(), config, accountManager, peersUpdateManager, turnManager, nil, nil)
+
+	secretsManager := mgmt.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig, config.Relay)
+	mgmtServer, err := mgmt.NewServer(context.Background(), config, accountManager, peersUpdateManager, secretsManager, nil, nil)
 	if err != nil {
 		t.Fatal(err)
 	}

client/cmd/up.go

@@ -147,6 +147,11 @@ func runInForegroundMode(ctx context.Context, cmd *cobra.Command) error {
 		ic.DNSRouteInterval = &dnsRouteInterval
 	}
 
+	providedSetupKey, err := getSetupKey()
+	if err != nil {
+		return err
+	}
+
 	config, err := internal.UpdateOrCreateConfig(ic)
 	if err != nil {
 		return fmt.Errorf("get config file: %v", err)
@@ -154,7 +159,7 @@ func runInForegroundMode(ctx context.Context, cmd *cobra.Command) error {
 
 	config, _ = internal.UpdateOldManagementURL(ctx, config, configPath)
 
-	err = foregroundLogin(ctx, cmd, config, setupKey)
+	err = foregroundLogin(ctx, cmd, config, providedSetupKey)
 	if err != nil {
 		return fmt.Errorf("foreground login failed: %v", err)
 	}
@@ -163,7 +168,10 @@ func runInForegroundMode(ctx context.Context, cmd *cobra.Command) error {
 	ctx, cancel = context.WithCancel(ctx)
 	SetupCloseHandler(ctx, cancel)
 
-	connectClient := internal.NewConnectClient(ctx, config, peer.NewRecorder(config.ManagementURL.String()))
+	r := peer.NewRecorder(config.ManagementURL.String())
+	r.GetFullStatus()
+
+	connectClient := internal.NewConnectClient(ctx, config, r)
 	return connectClient.Run()
 }
 
@@ -199,8 +207,13 @@ func runInDaemonMode(ctx context.Context, cmd *cobra.Command) error {
 		return nil
 	}
 
+	providedSetupKey, err := getSetupKey()
+	if err != nil {
+		return err
+	}
+
 	loginRequest := proto.LoginRequest{
-		SetupKey:             setupKey,
+		SetupKey:             providedSetupKey,
 		ManagementUrl:        managementURL,
 		AdminURL:             adminURL,
 		NatExternalIPs:       natExternalIPs,

client/cmd/up_daemon_test.go

@@ -2,6 +2,7 @@ package cmd
 
 import (
 	"context"
+	"os"
 	"testing"
 	"time"
 
@@ -40,6 +41,36 @@ func TestUpDaemon(t *testing.T) {
 		return
 	}
 
+	// Test the setup-key-file flag.
+	tempFile, err := os.CreateTemp("", "setup-key")
+	if err != nil {
+		t.Errorf("could not create temp file, got error %v", err)
+		return
+	}
+	defer os.Remove(tempFile.Name())
+	if _, err := tempFile.Write([]byte("A2C8E62B-38F5-4553-B31E-DD66C696CEBB")); err != nil {
+		t.Errorf("could not write to temp file, got error %v", err)
+		return
+	}
+	if err := tempFile.Close(); err != nil {
+		t.Errorf("unable to close file, got error %v", err)
+	}
+	rootCmd.SetArgs([]string{
+		"login",
+		"--daemon-addr", "tcp://" + cliAddr,
+		"--setup-key-file", tempFile.Name(),
+		"--log-file", "",
+	})
+	if err := rootCmd.Execute(); err != nil {
+		t.Errorf("expected no error while running up command, got %v", err)
+		return
+	}
+	time.Sleep(time.Second * 3)
+	if status, err := state.Status(); err != nil && status != internal.StatusIdle {
+		t.Errorf("wrong status after login: %s, %v", internal.StatusIdle, err)
+		return
+	}
+
 	rootCmd.SetArgs([]string{
 		"up",
 		"--daemon-addr", "tcp://" + cliAddr,

client/internal/auth/device_flow.go

@@ -3,6 +3,7 @@ package auth
 import (
 	"context"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -180,7 +181,7 @@ func (d *DeviceAuthorizationFlow) WaitToken(ctx context.Context, info AuthFlowIn
 					continue
 				}
 
-				return TokenInfo{}, fmt.Errorf(tokenResponse.ErrorDescription)
+				return TokenInfo{}, errors.New(tokenResponse.ErrorDescription)
 			}
 
 			tokenInfo := TokenInfo{

client/internal/auth/oauth.go

@@ -69,6 +69,11 @@ func NewOAuthFlow(ctx context.Context, config *internal.Config, isLinuxDesktopCl
 		return authenticateWithDeviceCodeFlow(ctx, config)
 	}
 
+	// On FreeBSD we currently do not support desktop environments and offer only Device Code Flow (#2384)
+	if runtime.GOOS == "freebsd" {
+		return authenticateWithDeviceCodeFlow(ctx, config)
+	}
+
 	pkceFlow, err := authenticateWithPKCEFlow(ctx, config)
 	if err != nil {
 		// fallback to device code flow
@@ -81,7 +86,7 @@ func NewOAuthFlow(ctx context.Context, config *internal.Config, isLinuxDesktopCl
 
 // authenticateWithPKCEFlow initializes the Proof Key for Code Exchange flow auth flow
 func authenticateWithPKCEFlow(ctx context.Context, config *internal.Config) (OAuthFlow, error) {
-	pkceFlowInfo, err := internal.GetPKCEAuthorizationFlowInfo(ctx, config.PrivateKey, config.ManagementURL)
+	pkceFlowInfo, err := internal.GetPKCEAuthorizationFlowInfo(ctx, config.PrivateKey, config.ManagementURL, config.ClientCertKeyPair)
 	if err != nil {
 		return nil, fmt.Errorf("getting pkce authorization flow info failed with error: %v", err)
 	}

client/internal/auth/pkce_flow.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"crypto/sha256"
 	"crypto/subtle"
+	"crypto/tls"
 	"encoding/base64"
 	"errors"
 	"fmt"
@@ -143,6 +144,18 @@ func (p *PKCEAuthorizationFlow) WaitToken(ctx context.Context, _ AuthFlowInfo) (
 func (p *PKCEAuthorizationFlow) startServer(server *http.Server, tokenChan chan<- *oauth2.Token, errChan chan<- error) {
 	mux := http.NewServeMux()
 	mux.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
+		cert := p.providerConfig.ClientCertPair
+		if cert != nil {
+			tr := &http.Transport{
+				TLSClientConfig: &tls.Config{
+					Certificates: []tls.Certificate{*cert},
+				},
+			}
+			sslClient := &http.Client{Transport: tr}
+			ctx := context.WithValue(req.Context(), oauth2.HTTPClient, sslClient)
+			req = req.WithContext(ctx)
+		}
+
 		token, err := p.handleRequest(req)
 		if err != nil {
 			renderPKCEFlowTmpl(w, err)

client/internal/config.go

@@ -2,6 +2,7 @@ package internal
 
 import (
 	"context"
+	"crypto/tls"
 	"fmt"
 	"net/url"
 	"os"
@@ -57,6 +58,8 @@ type ConfigInput struct {
 	DisableAutoConnect  *bool
 	ExtraIFaceBlackList []string
 	DNSRouteInterval    *time.Duration
+	ClientCertPath      string
+	ClientCertKeyPath   string
 }
 
 // Config Configuration type
@@ -102,6 +105,13 @@ type Config struct {
 
 	// DNSRouteInterval is the interval in which the DNS routes are updated
 	DNSRouteInterval time.Duration
+	//Path to a certificate used for mTLS authentication
+	ClientCertPath string
+
+	//Path to corresponding private key of ClientCertPath
+	ClientCertKeyPath string
+
+	ClientCertKeyPair *tls.Certificate `json:"-"`
 }
 
 // ReadConfig read config file and return with Config. If it is not exists create a new with default values
@@ -385,6 +395,26 @@ func (config *Config) apply(input ConfigInput) (updated bool, err error) {
 
 	}
 
+	if input.ClientCertKeyPath != "" {
+		config.ClientCertKeyPath = input.ClientCertKeyPath
+		updated = true
+	}
+
+	if input.ClientCertPath != "" {
+		config.ClientCertPath = input.ClientCertPath
+		updated = true
+	}
+
+	if config.ClientCertPath != "" && config.ClientCertKeyPath != "" {
+		cert, err := tls.LoadX509KeyPair(config.ClientCertPath, config.ClientCertKeyPath)
+		if err != nil {
+			log.Error("Failed to load mTLS cert/key pair: ", err)
+		} else {
+			config.ClientCertKeyPair = &cert
+			log.Info("Loaded client mTLS cert/key pair")
+		}
+	}
+
 	return updated, nil
 }
 

client/internal/connect.go

@@ -26,6 +26,8 @@ import (
 	"github.com/netbirdio/netbird/iface"
 	mgm "github.com/netbirdio/netbird/management/client"
 	mgmProto "github.com/netbirdio/netbird/management/proto"
+	"github.com/netbirdio/netbird/relay/auth/hmac"
+	relayClient "github.com/netbirdio/netbird/relay/client"
 	signal "github.com/netbirdio/netbird/signal/client"
 	"github.com/netbirdio/netbird/util"
 	"github.com/netbirdio/netbird/version"
@@ -55,17 +57,15 @@ func NewConnectClient(
 
 // Run with main logic.
 func (c *ConnectClient) Run() error {
-	return c.run(MobileDependency{}, nil, nil, nil, nil)
+	return c.run(MobileDependency{}, nil, nil)
 }
 
 // RunWithProbes runs the client's main logic with probes attached
 func (c *ConnectClient) RunWithProbes(
-	mgmProbe *Probe,
-	signalProbe *Probe,
-	relayProbe *Probe,
-	wgProbe *Probe,
+	probes *ProbeHolder,
+	runningChan chan error,
 ) error {
-	return c.run(MobileDependency{}, mgmProbe, signalProbe, relayProbe, wgProbe)
+	return c.run(MobileDependency{}, probes, runningChan)
 }
 
 // RunOnAndroid with main logic on mobile system
@@ -84,7 +84,7 @@ func (c *ConnectClient) RunOnAndroid(
 		HostDNSAddresses:      dnsAddresses,
 		DnsReadyListener:      dnsReadyListener,
 	}
-	return c.run(mobileDependency, nil, nil, nil, nil)
+	return c.run(mobileDependency, nil, nil)
 }
 
 func (c *ConnectClient) RunOniOS(
@@ -100,15 +100,13 @@ func (c *ConnectClient) RunOniOS(
 		NetworkChangeListener: networkChangeListener,
 		DnsManager:            dnsManager,
 	}
-	return c.run(mobileDependency, nil, nil, nil, nil)
+	return c.run(mobileDependency, nil, nil)
 }
 
 func (c *ConnectClient) run(
 	mobileDependency MobileDependency,
-	mgmProbe *Probe,
-	signalProbe *Probe,
-	relayProbe *Probe,
-	wgProbe *Probe,
+	probes *ProbeHolder,
+	runningChan chan error,
 ) error {
 	defer func() {
 		if r := recover(); r != nil {
@@ -162,10 +160,8 @@ func (c *ConnectClient) run(
 	defer c.statusRecorder.ClientStop()
 	operation := func() error {
 		// if context cancelled we not start new backoff cycle
-		select {
-		case <-c.ctx.Done():
+		if c.isContextCancelled() {
 			return nil
-		default:
 		}
 
 		state.Set(StatusConnecting)
@@ -187,8 +183,7 @@ func (c *ConnectClient) run(
 
 		log.Debugf("connected to the Management service %s", c.config.ManagementURL.Host)
 		defer func() {
-			err = mgmClient.Close()
-			if err != nil {
+			if err = mgmClient.Close(); err != nil {
 				log.Warnf("failed to close the Management service client %v", err)
 			}
 		}()
@@ -199,6 +194,7 @@ func (c *ConnectClient) run(
 			log.Debug(err)
 			if s, ok := gstatus.FromError(err); ok && (s.Code() == codes.PermissionDenied) {
 				state.Set(StatusNeedsLogin)
+				_ = c.Stop()
 				return backoff.Permanent(wrapErr(err)) // unrecoverable error
 			}
 			return wrapErr(err)
@@ -211,7 +207,6 @@ func (c *ConnectClient) run(
 			KernelInterface: iface.WireGuardModuleIsLoaded(),
 			FQDN:            loginResp.GetPeerConfig().GetFqdn(),
 		}
-
 		c.statusRecorder.UpdateLocalPeerState(localPeerState)
 
 		signalURL := fmt.Sprintf("%s://%s",
@@ -244,6 +239,23 @@ func (c *ConnectClient) run(
 
 		c.statusRecorder.MarkSignalConnected()
 
+		relayURLs, token := parseRelayInfo(loginResp)
+		relayManager := relayClient.NewManager(engineCtx, relayURLs, myPrivateKey.PublicKey().String())
+		if len(relayURLs) > 0 {
+			if token != nil {
+				if err := relayManager.UpdateToken(token); err != nil {
+					log.Errorf("failed to update token: %s", err)
+					return wrapErr(err)
+				}
+			}
+			log.Infof("connecting to the Relay service(s): %s", strings.Join(relayURLs, ", "))
+			if err = relayManager.Serve(); err != nil {
+				log.Error(err)
+				return wrapErr(err)
+			}
+			c.statusRecorder.SetRelayMgr(relayManager)
+		}
+
 		peerConfig := loginResp.GetPeerConfig()
 
 		engineConfig, err := createEngineConfig(myPrivateKey, c.config, peerConfig)
@@ -255,11 +267,11 @@ func (c *ConnectClient) run(
 		checks := loginResp.GetChecks()
 
 		c.engineMutex.Lock()
-		c.engine = NewEngineWithProbes(engineCtx, cancel, signalClient, mgmClient, engineConfig, mobileDependency, c.statusRecorder, mgmProbe, signalProbe, relayProbe, wgProbe, checks)
+		c.engine = NewEngineWithProbes(engineCtx, cancel, signalClient, mgmClient, relayManager, engineConfig, mobileDependency, c.statusRecorder, probes, checks)
+
 		c.engineMutex.Unlock()
 
-		err = c.engine.Start()
-		if err != nil {
+		if err := c.engine.Start(); err != nil {
 			log.Errorf("error while starting Netbird Connection Engine: %s", err)
 			return wrapErr(err)
 		}
@@ -267,17 +279,16 @@ func (c *ConnectClient) run(
 		log.Infof("Netbird engine started, the IP is: %s", peerConfig.GetAddress())
 		state.Set(StatusConnected)
 
+		if runningChan != nil {
+			runningChan <- nil
+			close(runningChan)
+		}
+
 		<-engineCtx.Done()
 		c.statusRecorder.ClientTeardown()
 
 		backOff.Reset()
 
-		err = c.engine.Stop()
-		if err != nil {
-			log.Errorf("failed stopping engine %v", err)
-			return wrapErr(err)
-		}
-
 		log.Info("stopped NetBird client")
 
 		if _, err := state.Status(); errors.Is(err, ErrResetConnection) {
@@ -293,13 +304,31 @@ func (c *ConnectClient) run(
 		log.Debugf("exiting client retry loop due to unrecoverable error: %s", err)
 		if s, ok := gstatus.FromError(err); ok && (s.Code() == codes.PermissionDenied) {
 			state.Set(StatusNeedsLogin)
+			_ = c.Stop()
 		}
 		return err
 	}
 	return nil
 }
 
+func parseRelayInfo(loginResp *mgmProto.LoginResponse) ([]string, *hmac.Token) {
+	relayCfg := loginResp.GetWiretrusteeConfig().GetRelay()
+	if relayCfg == nil {
+		return nil, nil
+	}
+
+	token := &hmac.Token{
+		Payload:   relayCfg.GetTokenPayload(),
+		Signature: relayCfg.GetTokenSignature(),
+	}
+
+	return relayCfg.GetUrls(), token
+}
+
 func (c *ConnectClient) Engine() *Engine {
+	if c == nil {
+		return nil
+	}
 	var e *Engine
 	c.engineMutex.Lock()
 	e = c.engine
@@ -307,6 +336,28 @@ func (c *ConnectClient) Engine() *Engine {
 	return e
 }
 
+func (c *ConnectClient) Stop() error {
+	if c == nil {
+		return nil
+	}
+	c.engineMutex.Lock()
+	defer c.engineMutex.Unlock()
+
+	if c.engine == nil {
+		return nil
+	}
+	return c.engine.Stop()
+}
+
+func (c *ConnectClient) isContextCancelled() bool {
+	select {
+	case <-c.ctx.Done():
+		return true
+	default:
+		return false
+	}
+}
+
 // createEngineConfig converts configuration received from Management Service to EngineConfig
 func createEngineConfig(key wgtypes.Key, config *Config, peerConfig *mgmProto.PeerConfig) (*EngineConfig, error) {
 	nm := false
@@ -397,19 +448,43 @@ func statusRecorderToSignalConnStateNotifier(statusRecorder *peer.Status) signal
 	return notifier
 }
 
-func freePort(start int) (int, error) {
+// freePort attempts to determine if the provided port is available, if not it will ask the system for a free port.
+func freePort(initPort int) (int, error) {
 	addr := net.UDPAddr{}
-	if start == 0 {
-		start = iface.DefaultWgPort
+	if initPort == 0 {
+		initPort = iface.DefaultWgPort
 	}
-	for x := start; x <= 65535; x++ {
-		addr.Port = x
-		conn, err := net.ListenUDP("udp", &addr)
-		if err != nil {
-			continue
-		}
-		conn.Close()
-		return x, nil
+
+	addr.Port = initPort
+
+	conn, err := net.ListenUDP("udp", &addr)
+	if err == nil {
+		closeConnWithLog(conn)
+		return initPort, nil
+	}
+
+	// if the port is already in use, ask the system for a free port
+	addr.Port = 0
+	conn, err = net.ListenUDP("udp", &addr)
+	if err != nil {
+		return 0, fmt.Errorf("unable to get a free port: %v", err)
+	}
+
+	udpAddr, ok := conn.LocalAddr().(*net.UDPAddr)
+	if !ok {
+		return 0, errors.New("wrong address type when getting a free port")
+	}
+	closeConnWithLog(conn)
+	return udpAddr.Port, nil
+}
+
+func closeConnWithLog(conn *net.UDPConn) {
+	startClosing := time.Now()
+	err := conn.Close()
+	if err != nil {
+		log.Warnf("closing probe port %d failed: %v. NetBird will still attempt to use this port for connection.", conn.LocalAddr().(*net.UDPAddr).Port, err)
+	}
+	if time.Since(startClosing) > time.Second {
+		log.Warnf("closing the testing port %d took %s. Usually it is safe to ignore, but continuous warnings may indicate a problem.", conn.LocalAddr().(*net.UDPAddr).Port, time.Since(startClosing))
 	}
-	return 0, errors.New("no free ports")
 }

client/internal/connect_test.go

@@ -7,51 +7,55 @@ import (
 
 func Test_freePort(t *testing.T) {
 	tests := []struct {
-		name    string
-		port    int
-		want    int
-		wantErr bool
+		name        string
+		port        int
+		want        int
+		shouldMatch bool
 	}{
 		{
-			name:    "available",
-			port:    51820,
-			want:    51820,
-			wantErr: false,
+			name:        "not provided, fallback to default",
+			port:        0,
+			want:        51820,
+			shouldMatch: true,
 		},
 		{
-			name:    "notavailable",
-			port:    51830,
-			want:    51831,
-			wantErr: false,
+			name:        "provided and available",
+			port:        51821,
+			want:        51821,
+			shouldMatch: true,
 		},
 		{
-			name:    "noports",
-			port:    65535,
-			want:    0,
-			wantErr: true,
+			name:        "provided and not available",
+			port:        51830,
+			want:        51830,
+			shouldMatch: false,
 		},
 	}
+	c1, err := net.ListenUDP("udp", &net.UDPAddr{Port: 51830})
+	if err != nil {
+		t.Errorf("freePort error = %v", err)
+	}
+	defer func(c1 *net.UDPConn) {
+		_ = c1.Close()
+	}(c1)
+
 	for _, tt := range tests {
 
-		c1, err := net.ListenUDP("udp", &net.UDPAddr{Port: 51830})
-		if err != nil {
-			t.Errorf("freePort error = %v", err)
-		}
-		c2, err := net.ListenUDP("udp", &net.UDPAddr{Port: 65535})
-		if err != nil {
-			t.Errorf("freePort error = %v", err)
-		}
 		t.Run(tt.name, func(t *testing.T) {
 			got, err := freePort(tt.port)
-			if (err != nil) != tt.wantErr {
-				t.Errorf("freePort() error = %v, wantErr %v", err, tt.wantErr)
-				return
+
+			if err != nil {
+				t.Errorf("got an error while getting free port: %v", err)
 			}
-			if got != tt.want {
-				t.Errorf("freePort() = %v, want %v", got, tt.want)
+
+			if tt.shouldMatch && got != tt.want {
+				t.Errorf("got a different port %v, want %v", got, tt.want)
+			}
+
+			if !tt.shouldMatch && got == tt.want {
+				t.Errorf("got the same port %v, want a different port", tt.want)
 			}
 		})
-		c1.Close()
-		c2.Close()
+
 	}
 }

client/internal/dns/server.go

@@ -94,7 +94,7 @@ func NewDefaultServer(
 
 	var dnsService service
 	if wgInterface.IsUserspaceBind() {
-		dnsService = newServiceViaMemory(wgInterface)
+		dnsService = NewServiceViaMemory(wgInterface)
 	} else {
 		dnsService = newServiceViaListener(wgInterface, addrPort)
 	}
@@ -112,7 +112,7 @@ func NewDefaultServerPermanentUpstream(
 	statusRecorder *peer.Status,
 ) *DefaultServer {
 	log.Debugf("host dns address list is: %v", hostsDnsList)
-	ds := newDefaultServer(ctx, wgInterface, newServiceViaMemory(wgInterface), statusRecorder)
+	ds := newDefaultServer(ctx, wgInterface, NewServiceViaMemory(wgInterface), statusRecorder)
 	ds.hostsDNSHolder.set(hostsDnsList)
 	ds.permanent = true
 	ds.addHostRootZone()
@@ -130,7 +130,7 @@ func NewDefaultServerIos(
 	iosDnsManager IosDnsManager,
 	statusRecorder *peer.Status,
 ) *DefaultServer {
-	ds := newDefaultServer(ctx, wgInterface, newServiceViaMemory(wgInterface), statusRecorder)
+	ds := newDefaultServer(ctx, wgInterface, NewServiceViaMemory(wgInterface), statusRecorder)
 	ds.iosDnsManager = iosDnsManager
 	return ds
 }

client/internal/dns/server_test.go

@@ -534,7 +534,7 @@ func TestDNSServerStartStop(t *testing.T) {
 func TestDNSServerUpstreamDeactivateCallback(t *testing.T) {
 	hostManager := &mockHostConfigurator{}
 	server := DefaultServer{
-		service: newServiceViaMemory(&mocWGIface{}),
+		service: NewServiceViaMemory(&mocWGIface{}),
 		localResolver: &localResolver{
 			registeredMap: make(registrationMap),
 		},

client/internal/dns/service_listener.go

@@ -128,6 +128,9 @@ func (s *serviceViaListener) RuntimeIP() string {
 }
 
 func (s *serviceViaListener) setListenerStatus(running bool) {
+	s.listenerFlagLock.Lock()
+	defer s.listenerFlagLock.Unlock()
+
 	s.listenerIsRunning = running
 }
 

client/internal/dns/service_memory.go

@@ -12,7 +12,7 @@ import (
 	log "github.com/sirupsen/logrus"
 )
 
-type serviceViaMemory struct {
+type ServiceViaMemory struct {
 	wgInterface       WGIface
 	dnsMux            *dns.ServeMux
 	runtimeIP         string
@@ -22,8 +22,8 @@ type serviceViaMemory struct {
 	listenerFlagLock  sync.Mutex
 }
 
-func newServiceViaMemory(wgIface WGIface) *serviceViaMemory {
-	s := &serviceViaMemory{
+func NewServiceViaMemory(wgIface WGIface) *ServiceViaMemory {
+	s := &ServiceViaMemory{
 		wgInterface: wgIface,
 		dnsMux:      dns.NewServeMux(),
 
@@ -33,7 +33,7 @@ func newServiceViaMemory(wgIface WGIface) *serviceViaMemory {
 	return s
 }
 
-func (s *serviceViaMemory) Listen() error {
+func (s *ServiceViaMemory) Listen() error {
 	s.listenerFlagLock.Lock()
 	defer s.listenerFlagLock.Unlock()
 
@@ -52,7 +52,7 @@ func (s *serviceViaMemory) Listen() error {
 	return nil
 }
 
-func (s *serviceViaMemory) Stop() {
+func (s *ServiceViaMemory) Stop() {
 	s.listenerFlagLock.Lock()
 	defer s.listenerFlagLock.Unlock()
 
@@ -67,23 +67,23 @@ func (s *serviceViaMemory) Stop() {
 	s.listenerIsRunning = false
 }
 
-func (s *serviceViaMemory) RegisterMux(pattern string, handler dns.Handler) {
+func (s *ServiceViaMemory) RegisterMux(pattern string, handler dns.Handler) {
 	s.dnsMux.Handle(pattern, handler)
 }
 
-func (s *serviceViaMemory) DeregisterMux(pattern string) {
+func (s *ServiceViaMemory) DeregisterMux(pattern string) {
 	s.dnsMux.HandleRemove(pattern)
 }
 
-func (s *serviceViaMemory) RuntimePort() int {
+func (s *ServiceViaMemory) RuntimePort() int {
 	return s.runtimePort
 }
 
-func (s *serviceViaMemory) RuntimeIP() string {
+func (s *ServiceViaMemory) RuntimeIP() string {
 	return s.runtimeIP
 }
 
-func (s *serviceViaMemory) filterDNSTraffic() (string, error) {
+func (s *ServiceViaMemory) filterDNSTraffic() (string, error) {
 	filter := s.wgInterface.GetFilter()
 	if filter == nil {
 		return "", fmt.Errorf("can't set DNS filter, filter not initialized")

client/internal/dns/upstream_ios.go

@@ -4,6 +4,7 @@ package dns
 
 import (
 	"context"
+	"fmt"
 	"net"
 	"syscall"
 	"time"
@@ -17,9 +18,9 @@ import (
 
 type upstreamResolverIOS struct {
 	*upstreamResolverBase
-	lIP    net.IP
-	lNet   *net.IPNet
-	iIndex int
+	lIP           net.IP
+	lNet          *net.IPNet
+	interfaceName string
 }
 
 func newUpstreamResolver(
@@ -32,17 +33,11 @@ func newUpstreamResolver(
 ) (*upstreamResolverIOS, error) {
 	upstreamResolverBase := newUpstreamResolverBase(ctx, statusRecorder)
 
-	index, err := getInterfaceIndex(interfaceName)
-	if err != nil {
-		log.Debugf("unable to get interface index for %s: %s", interfaceName, err)
-		return nil, err
-	}
-
 	ios := &upstreamResolverIOS{
 		upstreamResolverBase: upstreamResolverBase,
 		lIP:                  ip,
 		lNet:                 net,
-		iIndex:               index,
+		interfaceName:        interfaceName,
 	}
 	ios.upstreamClient = ios
 
@@ -53,7 +48,7 @@ func (u *upstreamResolverIOS) exchange(ctx context.Context, upstream string, r *
 	client := &dns.Client{}
 	upstreamHost, _, err := net.SplitHostPort(upstream)
 	if err != nil {
-		log.Errorf("error while parsing upstream host: %s", err)
+		return nil, 0, fmt.Errorf("error while parsing upstream host: %s", err)
 	}
 
 	timeout := upstreamTimeout
@@ -65,26 +60,35 @@ func (u *upstreamResolverIOS) exchange(ctx context.Context, upstream string, r *
 	upstreamIP := net.ParseIP(upstreamHost)
 	if u.lNet.Contains(upstreamIP) || net.IP.IsPrivate(upstreamIP) {
 		log.Debugf("using private client to query upstream: %s", upstream)
-		client = u.getClientPrivate(timeout)
+		client, err = GetClientPrivate(u.lIP, u.interfaceName, timeout)
+		if err != nil {
+			return nil, 0, fmt.Errorf("error while creating private client: %s", err)
+		}
 	}
 
 	// Cannot use client.ExchangeContext because it overwrites our Dialer
 	return client.Exchange(r, upstream)
 }
 
-// getClientPrivate returns a new DNS client bound to the local IP address of the Netbird interface
+// GetClientPrivate returns a new DNS client bound to the local IP address of the Netbird interface
 // This method is needed for iOS
-func (u *upstreamResolverIOS) getClientPrivate(dialTimeout time.Duration) *dns.Client {
+func GetClientPrivate(ip net.IP, interfaceName string, dialTimeout time.Duration) (*dns.Client, error) {
+	index, err := getInterfaceIndex(interfaceName)
+	if err != nil {
+		log.Debugf("unable to get interface index for %s: %s", interfaceName, err)
+		return nil, err
+	}
+
 	dialer := &net.Dialer{
 		LocalAddr: &net.UDPAddr{
-			IP:   u.lIP,
+			IP:   ip,
 			Port: 0, // Let the OS pick a free port
 		},
 		Timeout: dialTimeout,
 		Control: func(network, address string, c syscall.RawConn) error {
 			var operr error
 			fn := func(s uintptr) {
-				operr = unix.SetsockoptInt(int(s), unix.IPPROTO_IP, unix.IP_BOUND_IF, u.iIndex)
+				operr = unix.SetsockoptInt(int(s), unix.IPPROTO_IP, unix.IP_BOUND_IF, index)
 			}
 
 			if err := c.Control(fn); err != nil {
@@ -101,7 +105,7 @@ func (u *upstreamResolverIOS) getClientPrivate(dialTimeout time.Duration) *dns.C
 	client := &dns.Client{
 		Dialer: dialer,
 	}
-	return client
+	return client, nil
 }
 
 func getInterfaceIndex(interfaceName string) (int, error) {

client/internal/engine.go

@@ -13,6 +13,7 @@ import (
 	"slices"
 	"strings"
 	"sync"
+	"sync/atomic"
 	"time"
 
 	"github.com/pion/ice/v3"
@@ -24,6 +25,7 @@ import (
 	"github.com/netbirdio/netbird/client/firewall/manager"
 	"github.com/netbirdio/netbird/client/internal/acl"
 	"github.com/netbirdio/netbird/client/internal/dns"
+
 	"github.com/netbirdio/netbird/client/internal/networkmonitor"
 	"github.com/netbirdio/netbird/client/internal/peer"
 	"github.com/netbirdio/netbird/client/internal/relay"
@@ -39,6 +41,8 @@ import (
 	mgm "github.com/netbirdio/netbird/management/client"
 	"github.com/netbirdio/netbird/management/domain"
 	mgmProto "github.com/netbirdio/netbird/management/proto"
+	auth "github.com/netbirdio/netbird/relay/auth/hmac"
+	relayClient "github.com/netbirdio/netbird/relay/client"
 	"github.com/netbirdio/netbird/route"
 	signal "github.com/netbirdio/netbird/signal/client"
 	sProto "github.com/netbirdio/netbird/signal/proto"
@@ -101,7 +105,8 @@ type EngineConfig struct {
 // Engine is a mechanism responsible for reacting on Signal and Management stream events and managing connections to the remote peers.
 type Engine struct {
 	// signal is a Signal Service client
-	signal signal.Client
+	signal   signal.Client
+	signaler *peer.Signaler
 	// mgmClient is a Management Service client
 	mgmClient mgm.Client
 	// peerConns is a map that holds all the peers that are known to this peer
@@ -122,7 +127,8 @@ type Engine struct {
 	// STUNs is a list of STUN servers used by ICE
 	STUNs []*stun.URI
 	// TURNs is a list of STUN servers used by ICE
-	TURNs []*stun.URI
+	TURNs    []*stun.URI
+	stunTurn atomic.Value
 
 	// clientRoutes is the most recent list of clientRoutes received from the Management Service
 	clientRoutes   route.HAMap
@@ -134,7 +140,7 @@ type Engine struct {
 	ctx    context.Context
 	cancel context.CancelFunc
 
-	wgInterface    *iface.WGIface
+	wgInterface    iface.IWGIface
 	wgProxyFactory *wgproxy.Factory
 
 	udpMux *bind.UniversalUDPMuxDefault
@@ -155,15 +161,12 @@ type Engine struct {
 
 	dnsServer dns.Server
 
-	mgmProbe    *Probe
-	signalProbe *Probe
-	relayProbe  *Probe
-	wgProbe     *Probe
-
-	wgConnWorker sync.WaitGroup
+	probes *ProbeHolder
 
 	// checks are the client-applied posture checks that need to be evaluated on the client
 	checks []*mgmProto.Checks
+
+	relayManager *relayClient.Manager
 }
 
 // Peer is an instance of the Connection Peer
@@ -178,6 +181,7 @@ func NewEngine(
 	clientCancel context.CancelFunc,
 	signalClient signal.Client,
 	mgmClient mgm.Client,
+	relayManager *relayClient.Manager,
 	config *EngineConfig,
 	mobileDep MobileDependency,
 	statusRecorder *peer.Status,
@@ -188,13 +192,11 @@ func NewEngine(
 		clientCancel,
 		signalClient,
 		mgmClient,
+		relayManager,
 		config,
 		mobileDep,
 		statusRecorder,
 		nil,
-		nil,
-		nil,
-		nil,
 		checks,
 	)
 }
@@ -205,21 +207,20 @@ func NewEngineWithProbes(
 	clientCancel context.CancelFunc,
 	signalClient signal.Client,
 	mgmClient mgm.Client,
+	relayManager *relayClient.Manager,
 	config *EngineConfig,
 	mobileDep MobileDependency,
 	statusRecorder *peer.Status,
-	mgmProbe *Probe,
-	signalProbe *Probe,
-	relayProbe *Probe,
-	wgProbe *Probe,
+	probes *ProbeHolder,
 	checks []*mgmProto.Checks,
 ) *Engine {
-
 	return &Engine{
 		clientCtx:      clientCtx,
 		clientCancel:   clientCancel,
 		signal:         signalClient,
+		signaler:       peer.NewSignaler(signalClient, config.WgPrivateKey),
 		mgmClient:      mgmClient,
+		relayManager:   relayManager,
 		peerConns:      make(map[string]*peer.Conn),
 		syncMsgMux:     &sync.Mutex{},
 		config:         config,
@@ -229,22 +230,20 @@ func NewEngineWithProbes(
 		networkSerial:  0,
 		sshServerFunc:  nbssh.DefaultSSHServer,
 		statusRecorder: statusRecorder,
-		mgmProbe:       mgmProbe,
-		signalProbe:    signalProbe,
-		relayProbe:     relayProbe,
-		wgProbe:        wgProbe,
+		probes:         probes,
 		checks:         checks,
 	}
 }
 
 func (e *Engine) Stop() error {
+	if e == nil {
+		// this seems to be a very odd case but there was the possibility if the netbird down command comes before the engine is fully started
+		log.Debugf("tried stopping engine that is nil")
+		return nil
+	}
 	e.syncMsgMux.Lock()
 	defer e.syncMsgMux.Unlock()
 
-	if e.cancel != nil {
-		e.cancel()
-	}
-
 	// stopping network monitor first to avoid starting the engine again
 	if e.networkMonitor != nil {
 		e.networkMonitor.Stop()
@@ -253,36 +252,24 @@ func (e *Engine) Stop() error {
 
 	err := e.removeAllPeers()
 	if err != nil {
-		return err
+		return fmt.Errorf("failed to remove all peers: %s", err)
 	}
 
 	e.clientRoutesMu.Lock()
 	e.clientRoutes = nil
 	e.clientRoutesMu.Unlock()
 
+	if e.cancel != nil {
+		e.cancel()
+	}
+
 	// very ugly but we want to remove peers from the WireGuard interface first before removing interface.
 	// Removing peers happens in the conn.Close() asynchronously
 	time.Sleep(500 * time.Millisecond)
 
 	e.close()
-	e.wgConnWorker.Wait()
-
-	maxWaitTime := 5 * time.Second
-	timeout := time.After(maxWaitTime)
-
-	for {
-		if !e.IsWGIfaceUp() {
-			log.Infof("stopped Netbird Engine")
-			return nil
-		}
-
-		select {
-		case <-timeout:
-			return fmt.Errorf("timeout when waiting for interface shutdown")
-		default:
-			time.Sleep(100 * time.Millisecond)
-		}
-	}
+	log.Infof("stopped Netbird Engine")
+	return nil
 }
 
 // Start creates a new WireGuard tunnel interface and listens to events from Signal and Management services
@@ -331,7 +318,7 @@ func (e *Engine) Start() error {
 	}
 	e.dnsServer = dnsServer
 
-	e.routeManager = routemanager.NewManager(e.ctx, e.config.WgPrivateKey.PublicKey().String(), e.config.DNSRouteInterval, e.wgInterface, e.statusRecorder, initialRoutes)
+	e.routeManager = routemanager.NewManager(e.ctx, e.config.WgPrivateKey.PublicKey().String(), e.config.DNSRouteInterval, e.wgInterface, e.statusRecorder, e.relayManager, initialRoutes)
 	beforePeerHook, afterPeerHook, err := e.routeManager.Init()
 	if err != nil {
 		log.Errorf("Failed to initialize route manager: %s", err)
@@ -480,80 +467,45 @@ func (e *Engine) removePeer(peerKey string) error {
 	conn, exists := e.peerConns[peerKey]
 	if exists {
 		delete(e.peerConns, peerKey)
-		err := conn.Close()
-		if err != nil {
-			switch err.(type) {
-			case *peer.ConnectionAlreadyClosedError:
-				return nil
-			default:
-				return err
-			}
-		}
+		conn.Close()
 	}
 	return nil
 }
 
-func signalCandidate(candidate ice.Candidate, myKey wgtypes.Key, remoteKey wgtypes.Key, s signal.Client) error {
-	err := s.Send(&sProto.Message{
-		Key:       myKey.PublicKey().String(),
-		RemoteKey: remoteKey.String(),
-		Body: &sProto.Body{
-			Type:    sProto.Body_CANDIDATE,
-			Payload: candidate.Marshal(),
-		},
-	})
-	if err != nil {
-		return err
-	}
-
-	return nil
-}
-
-func sendSignal(message *sProto.Message, s signal.Client) error {
-	return s.Send(message)
-}
-
-// SignalOfferAnswer signals either an offer or an answer to remote peer
-func SignalOfferAnswer(offerAnswer peer.OfferAnswer, myKey wgtypes.Key, remoteKey wgtypes.Key, s signal.Client,
-	isAnswer bool) error {
-	var t sProto.Body_Type
-	if isAnswer {
-		t = sProto.Body_ANSWER
-	} else {
-		t = sProto.Body_OFFER
-	}
-
-	msg, err := signal.MarshalCredential(myKey, offerAnswer.WgListenPort, remoteKey, &signal.Credential{
-		UFrag: offerAnswer.IceCredentials.UFrag,
-		Pwd:   offerAnswer.IceCredentials.Pwd,
-	}, t, offerAnswer.RosenpassPubKey, offerAnswer.RosenpassAddr)
-	if err != nil {
-		return err
-	}
-
-	err = s.Send(msg)
-	if err != nil {
-		return err
-	}
-
-	return nil
-}
-
 func (e *Engine) handleSync(update *mgmProto.SyncResponse) error {
 	e.syncMsgMux.Lock()
 	defer e.syncMsgMux.Unlock()
 
 	if update.GetWiretrusteeConfig() != nil {
-		err := e.updateTURNs(update.GetWiretrusteeConfig().GetTurns())
+		wCfg := update.GetWiretrusteeConfig()
+		err := e.updateTURNs(wCfg.GetTurns())
 		if err != nil {
-			return err
+			return fmt.Errorf("update TURNs: %w", err)
 		}
 
-		err = e.updateSTUNs(update.GetWiretrusteeConfig().GetStuns())
+		err = e.updateSTUNs(wCfg.GetStuns())
 		if err != nil {
-			return err
+			return fmt.Errorf("update STUNs: %w", err)
 		}
 
+		var stunTurn []*stun.URI
+		stunTurn = append(stunTurn, e.STUNs...)
+		stunTurn = append(stunTurn, e.TURNs...)
+		e.stunTurn.Store(stunTurn)
+
+		relayMsg := wCfg.GetRelay()
+		if relayMsg != nil {
+			c := &auth.Token{
+				Payload:   relayMsg.GetTokenPayload(),
+				Signature: relayMsg.GetTokenSignature(),
+			}
+			if err := e.relayManager.UpdateToken(c); err != nil {
+				log.Errorf("failed to update relay token: %v", err)
+				return fmt.Errorf("update relay token: %w", err)
+			}
+		}
+
+		// todo update relay address in the relay manager
 		// todo update signal
 	}
 
@@ -949,68 +901,13 @@ func (e *Engine) addNewPeer(peerConfig *mgmProto.RemotePeerConfig) error {
 			log.Warnf("error adding peer %s to status recorder, got error: %v", peerKey, err)
 		}
 
-		e.wgConnWorker.Add(1)
-		go e.connWorker(conn, peerKey)
+		conn.Open()
 	}
 	return nil
 }
 
-func (e *Engine) connWorker(conn *peer.Conn, peerKey string) {
-	defer e.wgConnWorker.Done()
-	for {
-
-		// randomize starting time a bit
-		min := 500
-		max := 2000
-		duration := time.Duration(rand.Intn(max-min)+min) * time.Millisecond
-		select {
-		case <-e.ctx.Done():
-			return
-		case <-time.After(duration):
-		}
-
-		// if peer has been removed -> give up
-		if !e.peerExists(peerKey) {
-			log.Debugf("peer %s doesn't exist anymore, won't retry connection", peerKey)
-			return
-		}
-
-		if !e.signal.Ready() {
-			log.Infof("signal client isn't ready, skipping connection attempt %s", peerKey)
-			continue
-		}
-
-		// we might have received new STUN and TURN servers meanwhile, so update them
-		e.syncMsgMux.Lock()
-		conn.UpdateStunTurn(append(e.STUNs, e.TURNs...))
-		e.syncMsgMux.Unlock()
-
-		err := conn.Open(e.ctx)
-		if err != nil {
-			log.Debugf("connection to peer %s failed: %v", peerKey, err)
-			var connectionClosedError *peer.ConnectionClosedError
-			switch {
-			case errors.As(err, &connectionClosedError):
-				// conn has been forced to close, so we exit the loop
-				return
-			default:
-			}
-		}
-	}
-}
-
-func (e *Engine) peerExists(peerKey string) bool {
-	e.syncMsgMux.Lock()
-	defer e.syncMsgMux.Unlock()
-	_, ok := e.peerConns[peerKey]
-	return ok
-}
-
 func (e *Engine) createPeerConn(pubKey string, allowedIPs string) (*peer.Conn, error) {
 	log.Debugf("creating peer connection %s", pubKey)
-	var stunTurn []*stun.URI
-	stunTurn = append(stunTurn, e.STUNs...)
-	stunTurn = append(stunTurn, e.TURNs...)
 
 	wgConfig := peer.WgConfig{
 		RemoteKey:    pubKey,
@@ -1043,52 +940,29 @@ func (e *Engine) createPeerConn(pubKey string, allowedIPs string) (*peer.Conn, e
 	// randomize connection timeout
 	timeout := time.Duration(rand.Intn(PeerConnectionTimeoutMax-PeerConnectionTimeoutMin)+PeerConnectionTimeoutMin) * time.Millisecond
 	config := peer.ConnConfig{
-		Key:                  pubKey,
-		LocalKey:             e.config.WgPrivateKey.PublicKey().String(),
-		StunTurn:             stunTurn,
-		InterfaceBlackList:   e.config.IFaceBlackList,
-		DisableIPv6Discovery: e.config.DisableIPv6Discovery,
-		Timeout:              timeout,
-		UDPMux:               e.udpMux.UDPMuxDefault,
-		UDPMuxSrflx:          e.udpMux,
-		WgConfig:             wgConfig,
-		LocalWgPort:          e.config.WgPort,
-		NATExternalIPs:       e.parseNATExternalIPMappings(),
-		RosenpassPubKey:      e.getRosenpassPubKey(),
-		RosenpassAddr:        e.getRosenpassAddr(),
+		Key:             pubKey,
+		LocalKey:        e.config.WgPrivateKey.PublicKey().String(),
+		Timeout:         timeout,
+		WgConfig:        wgConfig,
+		LocalWgPort:     e.config.WgPort,
+		RosenpassPubKey: e.getRosenpassPubKey(),
+		RosenpassAddr:   e.getRosenpassAddr(),
+		ICEConfig: peer.ICEConfig{
+			StunTurn:             &e.stunTurn,
+			InterfaceBlackList:   e.config.IFaceBlackList,
+			DisableIPv6Discovery: e.config.DisableIPv6Discovery,
+			UDPMux:               e.udpMux.UDPMuxDefault,
+			UDPMuxSrflx:          e.udpMux,
+			NATExternalIPs:       e.parseNATExternalIPMappings(),
+		},
 	}
 
-	peerConn, err := peer.NewConn(config, e.statusRecorder, e.wgProxyFactory, e.mobileDep.TunAdapter, e.mobileDep.IFaceDiscover)
+	peerConn, err := peer.NewConn(e.ctx, config, e.statusRecorder, e.wgProxyFactory, e.signaler, e.mobileDep.IFaceDiscover, e.relayManager)
 	if err != nil {
 		return nil, err
 	}
 
-	wgPubKey, err := wgtypes.ParseKey(pubKey)
-	if err != nil {
-		return nil, err
-	}
-
-	signalOffer := func(offerAnswer peer.OfferAnswer) error {
-		return SignalOfferAnswer(offerAnswer, e.config.WgPrivateKey, wgPubKey, e.signal, false)
-	}
-
-	signalCandidate := func(candidate ice.Candidate) error {
-		return signalCandidate(candidate, e.config.WgPrivateKey, wgPubKey, e.signal)
-	}
-
-	signalAnswer := func(offerAnswer peer.OfferAnswer) error {
-		return SignalOfferAnswer(offerAnswer, e.config.WgPrivateKey, wgPubKey, e.signal, true)
-	}
-
-	peerConn.SetSignalCandidate(signalCandidate)
-	peerConn.SetSignalOffer(signalOffer)
-	peerConn.SetSignalAnswer(signalAnswer)
-	peerConn.SetSendSignalMessage(func(message *sProto.Message) error {
-		return sendSignal(message, e.signal)
-	})
-
 	if e.rpManager != nil {
-
 		peerConn.SetOnConnected(e.rpManager.OnConnected)
 		peerConn.SetOnDisconnected(e.rpManager.OnDisconnected)
 	}
@@ -1131,6 +1005,7 @@ func (e *Engine) receiveSignalEvents() {
 					Version:         msg.GetBody().GetNetBirdVersion(),
 					RosenpassPubKey: rosenpassPubKey,
 					RosenpassAddr:   rosenpassAddr,
+					RelaySrvAddress: msg.GetBody().GetRelayServerAddress(),
 				})
 			case sProto.Body_ANSWER:
 				remoteCred, err := signal.UnMarshalCredential(msg)
@@ -1153,6 +1028,7 @@ func (e *Engine) receiveSignalEvents() {
 					Version:         msg.GetBody().GetNetBirdVersion(),
 					RosenpassPubKey: rosenpassPubKey,
 					RosenpassAddr:   rosenpassAddr,
+					RelaySrvAddress: msg.GetBody().GetRelayServerAddress(),
 				})
 			case sProto.Body_CANDIDATE:
 				candidate, err := ice.UnmarshalCandidate(msg.GetBody().Payload)
@@ -1161,7 +1037,7 @@ func (e *Engine) receiveSignalEvents() {
 					return err
 				}
 
-				conn.OnRemoteCandidate(candidate, e.GetClientRoutes())
+				go conn.OnRemoteCandidate(candidate, e.GetClientRoutes())
 			case sProto.Body_MODE:
 			}
 
@@ -1415,24 +1291,27 @@ func (e *Engine) getRosenpassAddr() string {
 }
 
 func (e *Engine) receiveProbeEvents() {
-	if e.signalProbe != nil {
-		go e.signalProbe.Receive(e.ctx, func() bool {
+	if e.probes == nil {
+		return
+	}
+	if e.probes.SignalProbe != nil {
+		go e.probes.SignalProbe.Receive(e.ctx, func() bool {
 			healthy := e.signal.IsHealthy()
 			log.Debugf("received signal probe request, healthy: %t", healthy)
 			return healthy
 		})
 	}
 
-	if e.mgmProbe != nil {
-		go e.mgmProbe.Receive(e.ctx, func() bool {
+	if e.probes.MgmProbe != nil {
+		go e.probes.MgmProbe.Receive(e.ctx, func() bool {
 			healthy := e.mgmClient.IsHealthy()
 			log.Debugf("received management probe request, healthy: %t", healthy)
 			return healthy
 		})
 	}
 
-	if e.relayProbe != nil {
-		go e.relayProbe.Receive(e.ctx, func() bool {
+	if e.probes.RelayProbe != nil {
+		go e.probes.RelayProbe.Receive(e.ctx, func() bool {
 			healthy := true
 
 			results := append(e.probeSTUNs(), e.probeTURNs()...)
@@ -1451,13 +1330,13 @@ func (e *Engine) receiveProbeEvents() {
 		})
 	}
 
-	if e.wgProbe != nil {
-		go e.wgProbe.Receive(e.ctx, func() bool {
+	if e.probes.WgProbe != nil {
+		go e.probes.WgProbe.Receive(e.ctx, func() bool {
 			log.Debug("received wg probe request")
 
 			for _, peer := range e.peerConns {
 				key := peer.GetKey()
-				wgStats, err := peer.GetConf().WgConfig.WgInterface.GetStats(key)
+				wgStats, err := peer.WgConfig().WgInterface.GetStats(key)
 				if err != nil {
 					log.Debugf("failed to get wg stats for peer %s: %s", key, err)
 				}
@@ -1548,20 +1427,3 @@ func isChecksEqual(checks []*mgmProto.Checks, oChecks []*mgmProto.Checks) bool {
 		return slices.Equal(checks.Files, oChecks.Files)
 	})
 }
-
-func (e *Engine) IsWGIfaceUp() bool {
-	if e == nil || e.wgInterface == nil {
-		return false
-	}
-	iface, err := net.InterfaceByName(e.wgInterface.Name())
-	if err != nil {
-		log.Debugf("failed to get interface by name %s: %v", e.wgInterface.Name(), err)
-		return false
-	}
-
-	if iface.Flags&net.FlagUp != 0 {
-		return true
-	}
-
-	return false
-}

client/internal/engine_test.go

@@ -13,6 +13,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/google/uuid"
 	"github.com/pion/transport/v3/stdnet"
 	log "github.com/sirupsen/logrus"
 	"github.com/stretchr/testify/assert"
@@ -36,6 +37,8 @@ import (
 	mgmtProto "github.com/netbirdio/netbird/management/proto"
 	"github.com/netbirdio/netbird/management/server"
 	"github.com/netbirdio/netbird/management/server/activity"
+	"github.com/netbirdio/netbird/management/server/telemetry"
+	relayClient "github.com/netbirdio/netbird/relay/client"
 	"github.com/netbirdio/netbird/route"
 	signal "github.com/netbirdio/netbird/signal/client"
 	"github.com/netbirdio/netbird/signal/proto"
@@ -57,6 +60,12 @@ var (
 	}
 )
 
+func TestMain(m *testing.M) {
+	_ = util.InitLog("debug", "console")
+	code := m.Run()
+	os.Exit(code)
+}
+
 func TestEngine_SSH(t *testing.T) {
 	// todo resolve test execution on freebsd
 	if runtime.GOOS == "windows" || runtime.GOOS == "freebsd" {
@@ -72,13 +81,23 @@ func TestEngine_SSH(t *testing.T) {
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 
-	engine := NewEngine(ctx, cancel, &signal.MockClient{}, &mgmt.MockClient{}, &EngineConfig{
-		WgIfaceName:      "utun101",
-		WgAddr:           "100.64.0.1/24",
-		WgPrivateKey:     key,
-		WgPort:           33100,
-		ServerSSHAllowed: true,
-	}, MobileDependency{}, peer.NewRecorder("https://mgm"), nil)
+	relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String())
+	engine := NewEngine(
+		ctx, cancel,
+		&signal.MockClient{},
+		&mgmt.MockClient{},
+		relayMgr,
+		&EngineConfig{
+			WgIfaceName:      "utun101",
+			WgAddr:           "100.64.0.1/24",
+			WgPrivateKey:     key,
+			WgPort:           33100,
+			ServerSSHAllowed: true,
+		},
+		MobileDependency{},
+		peer.NewRecorder("https://mgm"),
+		nil,
+	)
 
 	engine.dnsServer = &dns.MockServer{
 		UpdateDNSServerFunc: func(serial uint64, update nbdns.Config) error { return nil },
@@ -207,21 +226,29 @@ func TestEngine_UpdateNetworkMap(t *testing.T) {
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 
-	engine := NewEngine(ctx, cancel, &signal.MockClient{}, &mgmt.MockClient{}, &EngineConfig{
-		WgIfaceName:  "utun102",
-		WgAddr:       "100.64.0.1/24",
-		WgPrivateKey: key,
-		WgPort:       33100,
-	}, MobileDependency{}, peer.NewRecorder("https://mgm"), nil)
-	newNet, err := stdnet.NewNet()
-	if err != nil {
-		t.Fatal(err)
+	relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String())
+	engine := NewEngine(
+		ctx, cancel,
+		&signal.MockClient{},
+		&mgmt.MockClient{},
+		relayMgr,
+		&EngineConfig{
+			WgIfaceName:  "utun102",
+			WgAddr:       "100.64.0.1/24",
+			WgPrivateKey: key,
+			WgPort:       33100,
+		},
+		MobileDependency{},
+		peer.NewRecorder("https://mgm"),
+		nil)
+
+	wgIface := &iface.MockWGIface{
+		RemovePeerFunc: func(peerKey string) error {
+			return nil
+		},
 	}
-	engine.wgInterface, err = iface.NewWGIFace("utun102", "100.64.0.1/24", engine.config.WgPort, key.String(), iface.DefaultMTU, newNet, nil, nil)
-	if err != nil {
-		t.Fatal(err)
-	}
-	engine.routeManager = routemanager.NewManager(ctx, key.PublicKey().String(), time.Minute, engine.wgInterface, engine.statusRecorder, nil)
+	engine.wgInterface = wgIface
+	engine.routeManager = routemanager.NewManager(ctx, key.PublicKey().String(), time.Minute, engine.wgInterface, engine.statusRecorder, relayMgr, nil)
 	engine.dnsServer = &dns.MockServer{
 		UpdateDNSServerFunc: func(serial uint64, update nbdns.Config) error { return nil },
 	}
@@ -403,8 +430,8 @@ func TestEngine_Sync(t *testing.T) {
 		}
 		return nil
 	}
-
-	engine := NewEngine(ctx, cancel, &signal.MockClient{}, &mgmt.MockClient{SyncFunc: syncFunc}, &EngineConfig{
+	relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String())
+	engine := NewEngine(ctx, cancel, &signal.MockClient{}, &mgmt.MockClient{SyncFunc: syncFunc}, relayMgr, &EngineConfig{
 		WgIfaceName:  "utun103",
 		WgAddr:       "100.64.0.1/24",
 		WgPrivateKey: key,
@@ -563,7 +590,8 @@ func TestEngine_UpdateNetworkMapWithRoutes(t *testing.T) {
 			wgIfaceName := fmt.Sprintf("utun%d", 104+n)
 			wgAddr := fmt.Sprintf("100.66.%d.1/24", n)
 
-			engine := NewEngine(ctx, cancel, &signal.MockClient{}, &mgmt.MockClient{}, &EngineConfig{
+			relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String())
+			engine := NewEngine(ctx, cancel, &signal.MockClient{}, &mgmt.MockClient{}, relayMgr, &EngineConfig{
 				WgIfaceName:  wgIfaceName,
 				WgAddr:       wgAddr,
 				WgPrivateKey: key,
@@ -733,7 +761,8 @@ func TestEngine_UpdateNetworkMapWithDNSUpdate(t *testing.T) {
 			wgIfaceName := fmt.Sprintf("utun%d", 104+n)
 			wgAddr := fmt.Sprintf("100.66.%d.1/24", n)
 
-			engine := NewEngine(ctx, cancel, &signal.MockClient{}, &mgmt.MockClient{}, &EngineConfig{
+			relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String())
+			engine := NewEngine(ctx, cancel, &signal.MockClient{}, &mgmt.MockClient{}, relayMgr, &EngineConfig{
 				WgIfaceName:  wgIfaceName,
 				WgAddr:       wgAddr,
 				WgPrivateKey: key,
@@ -844,6 +873,8 @@ func TestEngine_MultiplePeers(t *testing.T) {
 			engine.dnsServer = &dns.MockServer{}
 			mu.Lock()
 			defer mu.Unlock()
+			guid := fmt.Sprintf("{%s}", uuid.New().String())
+			iface.CustomWindowsGUIDString = strings.ToLower(guid)
 			err = engine.Start()
 			if err != nil {
 				t.Errorf("unable to start engine for peer %d with error %v", j, err)
@@ -1009,7 +1040,8 @@ func createEngine(ctx context.Context, cancel context.CancelFunc, setupKey strin
 		WgPort:       wgPort,
 	}
 
-	e, err := NewEngine(ctx, cancel, signalClient, mgmtClient, conf, MobileDependency{}, peer.NewRecorder("https://mgm"), nil), nil
+	relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String())
+	e, err := NewEngine(ctx, cancel, signalClient, mgmtClient, relayMgr, conf, MobileDependency{}, peer.NewRecorder("https://mgm"), nil), nil
 	e.ctx = ctx
 	return e, err
 }
@@ -1043,6 +1075,11 @@ func startManagement(t *testing.T, dataDir string) (*grpc.Server, string, error)
 	config := &server.Config{
 		Stuns:      []*server.Host{},
 		TURNConfig: &server.TURNConfig{},
+		Relay: &server.Relay{
+			Addresses:      []string{"127.0.0.1:1234"},
+			CredentialsTTL: util.Duration{Duration: time.Hour},
+			Secret:         "222222222222222222",
+		},
 		Signal: &server.Host{
 			Proto: "http",
 			URI:   "localhost:10000",
@@ -1069,12 +1106,17 @@ func startManagement(t *testing.T, dataDir string) (*grpc.Server, string, error)
 		return nil, "", err
 	}
 	ia, _ := integrations.NewIntegratedValidator(context.Background(), eventStore)
-	accountManager, err := server.BuildManager(context.Background(), store, peersUpdateManager, nil, "", "netbird.selfhosted", eventStore, nil, false, ia)
+
+	metrics, err := telemetry.NewDefaultAppMetrics(context.Background())
+	require.NoError(t, err)
+
+	accountManager, err := server.BuildManager(context.Background(), store, peersUpdateManager, nil, "", "netbird.selfhosted", eventStore, nil, false, ia, metrics)
 	if err != nil {
 		return nil, "", err
 	}
-	turnManager := server.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig)
-	mgmtServer, err := server.NewServer(context.Background(), config, accountManager, peersUpdateManager, turnManager, nil, nil)
+
+	secretsManager := server.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig, config.Relay)
+	mgmtServer, err := server.NewServer(context.Background(), config, accountManager, peersUpdateManager, secretsManager, nil, nil)
 	if err != nil {
 		return nil, "", err
 	}

client/internal/networkmonitor/monitor_bsd.go

@@ -65,7 +65,7 @@ func checkChange(ctx context.Context, nexthopv4, nexthopv6 systemops.Nexthop, ca
 					continue
 				}
 
-				if !route.Dst.Addr().IsUnspecified() {
+				if route.Dst.Bits() != 0 {
 					continue
 				}
 

client/internal/networkmonitor/monitor_generic.go

@@ -59,7 +59,7 @@ func (nw *NetworkMonitor) Start(ctx context.Context, callback func()) (err error
 	// recover in case sys ops panic
 	defer func() {
 		if r := recover(); r != nil {
-			err = fmt.Errorf("panic occurred: %v, stack trace: %s", r, string(debug.Stack()))
+			err = fmt.Errorf("panic occurred: %v, stack trace: %s", r, debug.Stack())
 		}
 	}()
 

client/internal/networkmonitor/monitor_windows.go

@@ -3,252 +3,73 @@ package networkmonitor
 import (
 	"context"
 	"fmt"
-	"net"
-	"net/netip"
 	"strings"
-	"time"
 
 	log "github.com/sirupsen/logrus"
 
 	"github.com/netbirdio/netbird/client/internal/routemanager/systemops"
 )
 
-const (
-	unreachable = 0
-	incomplete  = 1
-	probe       = 2
-	delay       = 3
-	stale       = 4
-	reachable   = 5
-	permanent   = 6
-	tbd         = 7
-)
-
-const interval = 10 * time.Second
-
 func checkChange(ctx context.Context, nexthopv4, nexthopv6 systemops.Nexthop, callback func()) error {
-	var neighborv4, neighborv6 *systemops.Neighbor
-	{
-		initialNeighbors, err := getNeighbors()
-		if err != nil {
-			return fmt.Errorf("get neighbors: %w", err)
-		}
-
-		neighborv4 = assignNeighbor(nexthopv4, initialNeighbors)
-		neighborv6 = assignNeighbor(nexthopv6, initialNeighbors)
+	routeMonitor, err := systemops.NewRouteMonitor(ctx)
+	if err != nil {
+		return fmt.Errorf("failed to create route monitor: %w", err)
 	}
-	log.Debugf("Network monitor: initial IPv4 neighbor: %v, IPv6 neighbor: %v", neighborv4, neighborv6)
-
-	ticker := time.NewTicker(interval)
-	defer ticker.Stop()
+	defer func() {
+		if err := routeMonitor.Stop(); err != nil {
+			log.Errorf("Network monitor: failed to stop route monitor: %v", err)
+		}
+	}()
 
 	for {
 		select {
 		case <-ctx.Done():
 			return ErrStopped
-		case <-ticker.C:
-			if changed(nexthopv4, neighborv4, nexthopv6, neighborv6) {
-				go callback()
-				return nil
+		case route := <-routeMonitor.RouteUpdates():
+			if route.Destination.Bits() != 0 {
+				continue
+			}
+
+			if routeChanged(route, nexthopv4, nexthopv6, callback) {
+				break
 			}
 		}
 	}
 }
 
-func assignNeighbor(nexthop systemops.Nexthop, initialNeighbors map[netip.Addr]systemops.Neighbor) *systemops.Neighbor {
-	if n, ok := initialNeighbors[nexthop.IP]; ok &&
-		n.State != unreachable &&
-		n.State != incomplete &&
-		n.State != tbd {
-		return &n
-	}
-	return nil
-}
-
-func changed(
-	nexthopv4 systemops.Nexthop,
-	neighborv4 *systemops.Neighbor,
-	nexthopv6 systemops.Nexthop,
-	neighborv6 *systemops.Neighbor,
-) bool {
-	neighbors, err := getNeighbors()
-	if err != nil {
-		log.Errorf("network monitor: error fetching current neighbors: %v", err)
-		return false
-	}
-	if neighborChanged(nexthopv4, neighborv4, neighbors) || neighborChanged(nexthopv6, neighborv6, neighbors) {
-		return true
-	}
-
-	routes, err := getRoutes()
-	if err != nil {
-		log.Errorf("network monitor: error fetching current routes: %v", err)
-		return false
-	}
-
-	if routeChanged(nexthopv4, nexthopv4.Intf, routes) || routeChanged(nexthopv6, nexthopv6.Intf, routes) {
-		return true
-	}
-
-	return false
-}
-
-// routeChanged checks if the default routes still point to our nexthop/interface
-func routeChanged(nexthop systemops.Nexthop, intf *net.Interface, routes []systemops.Route) bool {
-	if !nexthop.IP.IsValid() {
-		return false
-	}
-
-	if isSoftInterface(nexthop.Intf.Name) {
-		log.Tracef("network monitor: ignoring default route change for soft interface %s", nexthop.Intf.Name)
-		return false
-	}
-
-	unspec := getUnspecifiedPrefix(nexthop.IP)
-	defaultRoutes, foundMatchingRoute := processRoutes(nexthop, intf, routes, unspec)
-
-	log.Tracef("network monitor: all default routes:\n%s", strings.Join(defaultRoutes, "\n"))
-
-	if !foundMatchingRoute {
-		logRouteChange(nexthop.IP, intf)
-		return true
-	}
-
-	return false
-}
-
-func getUnspecifiedPrefix(ip netip.Addr) netip.Prefix {
-	if ip.Is6() {
-		return netip.PrefixFrom(netip.IPv6Unspecified(), 0)
-	}
-	return netip.PrefixFrom(netip.IPv4Unspecified(), 0)
-}
-
-func processRoutes(nexthop systemops.Nexthop, nexthopIntf *net.Interface, routes []systemops.Route, unspec netip.Prefix) ([]string, bool) {
-	var defaultRoutes []string
-	foundMatchingRoute := false
-
-	for _, r := range routes {
-		if r.Destination == unspec {
-			routeInfo := formatRouteInfo(r)
-			defaultRoutes = append(defaultRoutes, routeInfo)
-
-			if r.Nexthop == nexthop.IP && compareIntf(r.Interface, nexthopIntf) == 0 {
-				foundMatchingRoute = true
-				log.Debugf("network monitor: found matching default route: %s", routeInfo)
-			}
+func routeChanged(route systemops.RouteUpdate, nexthopv4, nexthopv6 systemops.Nexthop, callback func()) bool {
+	intf := "<nil>"
+	if route.Interface != nil {
+		intf = route.Interface.Name
+		if isSoftInterface(intf) {
+			log.Debugf("Network monitor: ignoring default route change for soft interface %s", intf)
+			return false
 		}
 	}
 
-	return defaultRoutes, foundMatchingRoute
-}
-
-func formatRouteInfo(r systemops.Route) string {
-	newIntf := "<nil>"
-	if r.Interface != nil {
-		newIntf = r.Interface.Name
-	}
-	return fmt.Sprintf("Nexthop: %s, Interface: %s", r.Nexthop, newIntf)
-}
-
-func logRouteChange(ip netip.Addr, intf *net.Interface) {
-	oldIntf := "<nil>"
-	if intf != nil {
-		oldIntf = intf.Name
-	}
-	log.Infof("network monitor: default route for %s (%s) is gone or changed", ip, oldIntf)
-}
-
-func neighborChanged(nexthop systemops.Nexthop, neighbor *systemops.Neighbor, neighbors map[netip.Addr]systemops.Neighbor) bool {
-	if neighbor == nil {
-		return false
-	}
-
-	// TODO: consider non-local nexthops, e.g. on point-to-point interfaces
-	if n, ok := neighbors[nexthop.IP]; ok {
-		if n.State == unreachable || n.State == incomplete {
-			log.Infof("network monitor: neighbor %s (%s) is not reachable: %s", neighbor.IPAddress, neighbor.LinkLayerAddress, stateFromInt(n.State))
-			return true
-		} else if n.InterfaceIndex != neighbor.InterfaceIndex {
-			log.Infof(
-				"network monitor: neighbor %s (%s) changed interface from '%s' (%d) to '%s' (%d): %s",
-				neighbor.IPAddress,
-				neighbor.LinkLayerAddress,
-				neighbor.InterfaceAlias,
-				neighbor.InterfaceIndex,
-				n.InterfaceAlias,
-				n.InterfaceIndex,
-				stateFromInt(n.State),
-			)
+	switch route.Type {
+	case systemops.RouteModified:
+		// TODO: get routing table to figure out if our route is affected for modified routes
+		log.Infof("Network monitor: default route changed: via %s, interface %s", route.NextHop, intf)
+		go callback()
+		return true
+	case systemops.RouteAdded:
+		if route.NextHop.Is4() && route.NextHop != nexthopv4.IP || route.NextHop.Is6() && route.NextHop != nexthopv6.IP {
+			log.Infof("Network monitor: default route added: via %s, interface %s", route.NextHop, intf)
+			go callback()
+			return true
+		}
+	case systemops.RouteDeleted:
+		if nexthopv4.Intf != nil && route.NextHop == nexthopv4.IP || nexthopv6.Intf != nil && route.NextHop == nexthopv6.IP {
+			log.Infof("Network monitor: default route removed: via %s, interface %s", route.NextHop, intf)
+			go callback()
 			return true
 		}
-	} else {
-		log.Infof("network monitor: neighbor %s (%s) is gone", neighbor.IPAddress, neighbor.LinkLayerAddress)
-		return true
 	}
 
 	return false
 }
 
-func getNeighbors() (map[netip.Addr]systemops.Neighbor, error) {
-	entries, err := systemops.GetNeighbors()
-	if err != nil {
-		return nil, fmt.Errorf("get neighbors: %w", err)
-	}
-
-	neighbours := make(map[netip.Addr]systemops.Neighbor, len(entries))
-	for _, entry := range entries {
-		neighbours[entry.IPAddress] = entry
-	}
-
-	return neighbours, nil
-}
-
-func getRoutes() ([]systemops.Route, error) {
-	entries, err := systemops.GetRoutes()
-	if err != nil {
-		return nil, fmt.Errorf("get routes: %w", err)
-	}
-
-	return entries, nil
-}
-
-func stateFromInt(state uint8) string {
-	switch state {
-	case unreachable:
-		return "unreachable"
-	case incomplete:
-		return "incomplete"
-	case probe:
-		return "probe"
-	case delay:
-		return "delay"
-	case stale:
-		return "stale"
-	case reachable:
-		return "reachable"
-	case permanent:
-		return "permanent"
-	case tbd:
-		return "tbd"
-	default:
-		return "unknown"
-	}
-}
-
-func compareIntf(a, b *net.Interface) int {
-	switch {
-	case a == nil && b == nil:
-		return 0
-	case a == nil:
-		return -1
-	case b == nil:
-		return 1
-	default:
-		return a.Index - b.Index
-	}
-}
-
 func isSoftInterface(name string) bool {
 	return strings.Contains(strings.ToLower(name), "isatap") || strings.Contains(strings.ToLower(name), "teredo")
 }

client/internal/peer/conn_test.go

@@ -2,25 +2,33 @@ package peer
 
 import (
 	"context"
+	"os"
 	"sync"
 	"testing"
 	"time"
 
 	"github.com/magiconair/properties/assert"
-	"github.com/pion/stun/v2"
 
 	"github.com/netbirdio/netbird/client/internal/stdnet"
 	"github.com/netbirdio/netbird/client/internal/wgproxy"
 	"github.com/netbirdio/netbird/iface"
+	"github.com/netbirdio/netbird/util"
 )
 
 var connConf = ConnConfig{
-	Key:                "LLHf3Ma6z6mdLbriAJbqhX7+nM/B71lgw2+91q3LfhU=",
-	LocalKey:           "RRHf3Ma6z6mdLbriAJbqhX7+nM/B71lgw2+91q3LfhU=",
-	StunTurn:           []*stun.URI{},
-	InterfaceBlackList: nil,
-	Timeout:            time.Second,
-	LocalWgPort:        51820,
+	Key:         "LLHf3Ma6z6mdLbriAJbqhX7+nM/B71lgw2+91q3LfhU=",
+	LocalKey:    "RRHf3Ma6z6mdLbriAJbqhX7+nM/B71lgw2+91q3LfhU=",
+	Timeout:     time.Second,
+	LocalWgPort: 51820,
+	ICEConfig: ICEConfig{
+		InterfaceBlackList: nil,
+	},
+}
+
+func TestMain(m *testing.M) {
+	_ = util.InitLog("trace", "console")
+	code := m.Run()
+	os.Exit(code)
 }
 
 func TestNewConn_interfaceFilter(t *testing.T) {
@@ -40,7 +48,7 @@ func TestConn_GetKey(t *testing.T) {
 	defer func() {
 		_ = wgProxyFactory.Free()
 	}()
-	conn, err := NewConn(connConf, nil, wgProxyFactory, nil, nil)
+	conn, err := NewConn(context.Background(), connConf, nil, wgProxyFactory, nil, nil, nil)
 	if err != nil {
 		return
 	}
@@ -55,7 +63,7 @@ func TestConn_OnRemoteOffer(t *testing.T) {
 	defer func() {
 		_ = wgProxyFactory.Free()
 	}()
-	conn, err := NewConn(connConf, NewRecorder("https://mgm"), wgProxyFactory, nil, nil)
+	conn, err := NewConn(context.Background(), connConf, NewRecorder("https://mgm"), wgProxyFactory, nil, nil, nil)
 	if err != nil {
 		return
 	}
@@ -63,7 +71,7 @@ func TestConn_OnRemoteOffer(t *testing.T) {
 	wg := sync.WaitGroup{}
 	wg.Add(2)
 	go func() {
-		<-conn.remoteOffersCh
+		<-conn.handshaker.remoteOffersCh
 		wg.Done()
 	}()
 
@@ -92,7 +100,7 @@ func TestConn_OnRemoteAnswer(t *testing.T) {
 	defer func() {
 		_ = wgProxyFactory.Free()
 	}()
-	conn, err := NewConn(connConf, NewRecorder("https://mgm"), wgProxyFactory, nil, nil)
+	conn, err := NewConn(context.Background(), connConf, NewRecorder("https://mgm"), wgProxyFactory, nil, nil, nil)
 	if err != nil {
 		return
 	}
@@ -100,7 +108,7 @@ func TestConn_OnRemoteAnswer(t *testing.T) {
 	wg := sync.WaitGroup{}
 	wg.Add(2)
 	go func() {
-		<-conn.remoteAnswerCh
+		<-conn.handshaker.remoteAnswerCh
 		wg.Done()
 	}()
 
@@ -128,58 +136,33 @@ func TestConn_Status(t *testing.T) {
 	defer func() {
 		_ = wgProxyFactory.Free()
 	}()
-	conn, err := NewConn(connConf, NewRecorder("https://mgm"), wgProxyFactory, nil, nil)
+	conn, err := NewConn(context.Background(), connConf, NewRecorder("https://mgm"), wgProxyFactory, nil, nil, nil)
 	if err != nil {
 		return
 	}
 
 	tables := []struct {
-		name   string
-		status ConnStatus
-		want   ConnStatus
+		name        string
+		statusIce   ConnStatus
+		statusRelay ConnStatus
+		want        ConnStatus
 	}{
-		{"StatusConnected", StatusConnected, StatusConnected},
-		{"StatusDisconnected", StatusDisconnected, StatusDisconnected},
-		{"StatusConnecting", StatusConnecting, StatusConnecting},
+		{"StatusConnected", StatusConnected, StatusConnected, StatusConnected},
+		{"StatusDisconnected", StatusDisconnected, StatusDisconnected, StatusDisconnected},
+		{"StatusConnecting", StatusConnecting, StatusConnecting, StatusConnecting},
+		{"StatusConnectingIce", StatusConnecting, StatusDisconnected, StatusConnecting},
+		{"StatusConnectingIceAlternative", StatusConnecting, StatusConnected, StatusConnected},
+		{"StatusConnectingRelay", StatusDisconnected, StatusConnecting, StatusConnecting},
+		{"StatusConnectingRelayAlternative", StatusConnected, StatusConnecting, StatusConnected},
 	}
 
 	for _, table := range tables {
 		t.Run(table.name, func(t *testing.T) {
-			conn.status = table.status
+			conn.statusICE = table.statusIce
+			conn.statusRelay = table.statusRelay
 
 			got := conn.Status()
 			assert.Equal(t, got, table.want, "they should be equal")
 		})
 	}
 }
-
-func TestConn_Close(t *testing.T) {
-	wgProxyFactory := wgproxy.NewFactory(context.Background(), false, connConf.LocalWgPort)
-	defer func() {
-		_ = wgProxyFactory.Free()
-	}()
-	conn, err := NewConn(connConf, NewRecorder("https://mgm"), wgProxyFactory, nil, nil)
-	if err != nil {
-		return
-	}
-
-	wg := sync.WaitGroup{}
-	wg.Add(1)
-	go func() {
-		<-conn.closeCh
-		wg.Done()
-	}()
-
-	go func() {
-		for {
-			err := conn.Close()
-			if err != nil {
-				continue
-			} else {
-				return
-			}
-		}
-	}()
-
-	wg.Wait()
-}

client/internal/peer/handshaker.go

@@ -0,0 +1,192 @@
+package peer
+
+import (
+	"context"
+	"errors"
+	"sync"
+
+	log "github.com/sirupsen/logrus"
+
+	"github.com/netbirdio/netbird/version"
+)
+
+var (
+	ErrSignalIsNotReady = errors.New("signal is not ready")
+)
+
+// IceCredentials ICE protocol credentials struct
+type IceCredentials struct {
+	UFrag string
+	Pwd   string
+}
+
+// OfferAnswer represents a session establishment offer or answer
+type OfferAnswer struct {
+	IceCredentials IceCredentials
+	// WgListenPort is a remote WireGuard listen port.
+	// This field is used when establishing a direct WireGuard connection without any proxy.
+	// We can set the remote peer's endpoint with this port.
+	WgListenPort int
+
+	// Version of NetBird Agent
+	Version string
+	// RosenpassPubKey is the Rosenpass public key of the remote peer when receiving this message
+	// This value is the local Rosenpass server public key when sending the message
+	RosenpassPubKey []byte
+	// RosenpassAddr is the Rosenpass server address (IP:port) of the remote peer when receiving this message
+	// This value is the local Rosenpass server address when sending the message
+	RosenpassAddr string
+
+	// relay server address
+	RelaySrvAddress string
+}
+
+type Handshaker struct {
+	mu                  sync.Mutex
+	ctx                 context.Context
+	log                 *log.Entry
+	config              ConnConfig
+	signaler            *Signaler
+	ice                 *WorkerICE
+	relay               *WorkerRelay
+	onNewOfferListeners []func(*OfferAnswer)
+
+	// remoteOffersCh is a channel used to wait for remote credentials to proceed with the connection
+	remoteOffersCh chan OfferAnswer
+	// remoteAnswerCh is a channel used to wait for remote credentials answer (confirmation of our offer) to proceed with the connection
+	remoteAnswerCh chan OfferAnswer
+}
+
+func NewHandshaker(ctx context.Context, log *log.Entry, config ConnConfig, signaler *Signaler, ice *WorkerICE, relay *WorkerRelay) *Handshaker {
+	return &Handshaker{
+		ctx:            ctx,
+		log:            log,
+		config:         config,
+		signaler:       signaler,
+		ice:            ice,
+		relay:          relay,
+		remoteOffersCh: make(chan OfferAnswer),
+		remoteAnswerCh: make(chan OfferAnswer),
+	}
+}
+
+func (h *Handshaker) AddOnNewOfferListener(offer func(remoteOfferAnswer *OfferAnswer)) {
+	h.onNewOfferListeners = append(h.onNewOfferListeners, offer)
+}
+
+func (h *Handshaker) Listen() {
+	for {
+		h.log.Debugf("wait for remote offer confirmation")
+		remoteOfferAnswer, err := h.waitForRemoteOfferConfirmation()
+		if err != nil {
+			var connectionClosedError *ConnectionClosedError
+			if errors.As(err, &connectionClosedError) {
+				h.log.Tracef("stop handshaker")
+				return
+			}
+			h.log.Errorf("failed to received remote offer confirmation: %s", err)
+			continue
+		}
+
+		h.log.Debugf("received connection confirmation, running version %s and with remote WireGuard listen port %d", remoteOfferAnswer.Version, remoteOfferAnswer.WgListenPort)
+		for _, listener := range h.onNewOfferListeners {
+			go listener(remoteOfferAnswer)
+		}
+	}
+}
+
+func (h *Handshaker) SendOffer() error {
+	h.mu.Lock()
+	defer h.mu.Unlock()
+	return h.sendOffer()
+}
+
+// OnRemoteOffer handles an offer from the remote peer and returns true if the message was accepted, false otherwise
+// doesn't block, discards the message if connection wasn't ready
+func (h *Handshaker) OnRemoteOffer(offer OfferAnswer) bool {
+	select {
+	case h.remoteOffersCh <- offer:
+		return true
+	default:
+		h.log.Debugf("OnRemoteOffer skipping message because is not ready")
+		// connection might not be ready yet to receive so we ignore the message
+		return false
+	}
+}
+
+// OnRemoteAnswer handles an offer from the remote peer and returns true if the message was accepted, false otherwise
+// doesn't block, discards the message if connection wasn't ready
+func (h *Handshaker) OnRemoteAnswer(answer OfferAnswer) bool {
+	select {
+	case h.remoteAnswerCh <- answer:
+		return true
+	default:
+		// connection might not be ready yet to receive so we ignore the message
+		h.log.Debugf("OnRemoteAnswer skipping message because is not ready")
+		return false
+	}
+}
+
+func (h *Handshaker) waitForRemoteOfferConfirmation() (*OfferAnswer, error) {
+	select {
+	case remoteOfferAnswer := <-h.remoteOffersCh:
+		// received confirmation from the remote peer -> ready to proceed
+		err := h.sendAnswer()
+		if err != nil {
+			return nil, err
+		}
+		return &remoteOfferAnswer, nil
+	case remoteOfferAnswer := <-h.remoteAnswerCh:
+		return &remoteOfferAnswer, nil
+	case <-h.ctx.Done():
+		// closed externally
+		return nil, NewConnectionClosedError(h.config.Key)
+	}
+}
+
+// sendOffer prepares local user credentials and signals them to the remote peer
+func (h *Handshaker) sendOffer() error {
+	if !h.signaler.Ready() {
+		return ErrSignalIsNotReady
+	}
+
+	iceUFrag, icePwd := h.ice.GetLocalUserCredentials()
+	offer := OfferAnswer{
+		IceCredentials:  IceCredentials{iceUFrag, icePwd},
+		WgListenPort:    h.config.LocalWgPort,
+		Version:         version.NetbirdVersion(),
+		RosenpassPubKey: h.config.RosenpassPubKey,
+		RosenpassAddr:   h.config.RosenpassAddr,
+	}
+
+	addr, err := h.relay.RelayInstanceAddress()
+	if err == nil {
+		offer.RelaySrvAddress = addr
+	}
+
+	return h.signaler.SignalOffer(offer, h.config.Key)
+}
+
+func (h *Handshaker) sendAnswer() error {
+	h.log.Debugf("sending answer")
+	uFrag, pwd := h.ice.GetLocalUserCredentials()
+
+	answer := OfferAnswer{
+		IceCredentials:  IceCredentials{uFrag, pwd},
+		WgListenPort:    h.config.LocalWgPort,
+		Version:         version.NetbirdVersion(),
+		RosenpassPubKey: h.config.RosenpassPubKey,
+		RosenpassAddr:   h.config.RosenpassAddr,
+	}
+	addr, err := h.relay.RelayInstanceAddress()
+	if err == nil {
+		answer.RelaySrvAddress = addr
+	}
+
+	err = h.signaler.SignalAnswer(answer, h.config.Key)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}

client/internal/peer/signaler.go

@@ -0,0 +1,70 @@
+package peer
+
+import (
+	"github.com/pion/ice/v3"
+	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
+
+	signal "github.com/netbirdio/netbird/signal/client"
+	sProto "github.com/netbirdio/netbird/signal/proto"
+)
+
+type Signaler struct {
+	signal       signal.Client
+	wgPrivateKey wgtypes.Key
+}
+
+func NewSignaler(signal signal.Client, wgPrivateKey wgtypes.Key) *Signaler {
+	return &Signaler{
+		signal:       signal,
+		wgPrivateKey: wgPrivateKey,
+	}
+}
+
+func (s *Signaler) SignalOffer(offer OfferAnswer, remoteKey string) error {
+	return s.signalOfferAnswer(offer, remoteKey, sProto.Body_OFFER)
+}
+
+func (s *Signaler) SignalAnswer(offer OfferAnswer, remoteKey string) error {
+	return s.signalOfferAnswer(offer, remoteKey, sProto.Body_ANSWER)
+}
+
+func (s *Signaler) SignalICECandidate(candidate ice.Candidate, remoteKey string) error {
+	return s.signal.Send(&sProto.Message{
+		Key:       s.wgPrivateKey.PublicKey().String(),
+		RemoteKey: remoteKey,
+		Body: &sProto.Body{
+			Type:    sProto.Body_CANDIDATE,
+			Payload: candidate.Marshal(),
+		},
+	})
+}
+
+func (s *Signaler) Ready() bool {
+	return s.signal.Ready()
+}
+
+// SignalOfferAnswer signals either an offer or an answer to remote peer
+func (s *Signaler) signalOfferAnswer(offerAnswer OfferAnswer, remoteKey string, bodyType sProto.Body_Type) error {
+	msg, err := signal.MarshalCredential(
+		s.wgPrivateKey,
+		offerAnswer.WgListenPort,
+		remoteKey,
+		&signal.Credential{
+			UFrag: offerAnswer.IceCredentials.UFrag,
+			Pwd:   offerAnswer.IceCredentials.Pwd,
+		},
+		bodyType,
+		offerAnswer.RosenpassPubKey,
+		offerAnswer.RosenpassAddr,
+		offerAnswer.RelaySrvAddress)
+	if err != nil {
+		return err
+	}
+
+	err = s.signal.Send(msg)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}

client/internal/peer/status.go

@@ -3,6 +3,7 @@ package peer
 import (
 	"errors"
 	"net/netip"
+	"slices"
 	"sync"
 	"time"
 
@@ -13,6 +14,7 @@ import (
 	"github.com/netbirdio/netbird/client/internal/relay"
 	"github.com/netbirdio/netbird/iface"
 	"github.com/netbirdio/netbird/management/domain"
+	relayClient "github.com/netbirdio/netbird/relay/client"
 )
 
 // State contains the latest state of a peer
@@ -24,11 +26,11 @@ type State struct {
 	ConnStatus                 ConnStatus
 	ConnStatusUpdate           time.Time
 	Relayed                    bool
-	Direct                     bool
 	LocalIceCandidateType      string
 	RemoteIceCandidateType     string
 	LocalIceCandidateEndpoint  string
 	RemoteIceCandidateEndpoint string
+	RelayServerAddress         string
 	LastWireguardHandshake     time.Time
 	BytesTx                    int64
 	BytesRx                    int64
@@ -142,6 +144,8 @@ type Status struct {
 	// Some Peer actions mostly used by in a batch when the network map has been synchronized. In these type of events
 	// set to true this variable and at the end of the processing we will reset it by the FinishPeerListModifications()
 	peerListChangedForNotification bool
+
+	relayMgr *relayClient.Manager
 }
 
 // NewRecorder returns a new Status instance
@@ -156,6 +160,12 @@ func NewRecorder(mgmAddress string) *Status {
 	}
 }
 
+func (d *Status) SetRelayMgr(manager *relayClient.Manager) {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+	d.relayMgr = manager
+}
+
 // ReplaceOfflinePeers replaces
 func (d *Status) ReplaceOfflinePeers(replacement []State) {
 	d.mux.Lock()
@@ -231,17 +241,17 @@ func (d *Status) UpdatePeerState(receivedState State) error {
 		peerState.SetRoutes(receivedState.GetRoutes())
 	}
 
-	skipNotification := shouldSkipNotify(receivedState, peerState)
+	skipNotification := shouldSkipNotify(receivedState.ConnStatus, peerState)
 
 	if receivedState.ConnStatus != peerState.ConnStatus {
 		peerState.ConnStatus = receivedState.ConnStatus
 		peerState.ConnStatusUpdate = receivedState.ConnStatusUpdate
-		peerState.Direct = receivedState.Direct
 		peerState.Relayed = receivedState.Relayed
 		peerState.LocalIceCandidateType = receivedState.LocalIceCandidateType
 		peerState.RemoteIceCandidateType = receivedState.RemoteIceCandidateType
 		peerState.LocalIceCandidateEndpoint = receivedState.LocalIceCandidateEndpoint
 		peerState.RemoteIceCandidateEndpoint = receivedState.RemoteIceCandidateEndpoint
+		peerState.RelayServerAddress = receivedState.RelayServerAddress
 		peerState.RosenpassEnabled = receivedState.RosenpassEnabled
 	}
 
@@ -261,6 +271,146 @@ func (d *Status) UpdatePeerState(receivedState State) error {
 	return nil
 }
 
+func (d *Status) UpdatePeerICEState(receivedState State) error {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+
+	peerState, ok := d.peers[receivedState.PubKey]
+	if !ok {
+		return errors.New("peer doesn't exist")
+	}
+
+	if receivedState.IP != "" {
+		peerState.IP = receivedState.IP
+	}
+
+	skipNotification := shouldSkipNotify(receivedState.ConnStatus, peerState)
+
+	peerState.ConnStatus = receivedState.ConnStatus
+	peerState.ConnStatusUpdate = receivedState.ConnStatusUpdate
+	peerState.Relayed = receivedState.Relayed
+	peerState.LocalIceCandidateType = receivedState.LocalIceCandidateType
+	peerState.RemoteIceCandidateType = receivedState.RemoteIceCandidateType
+	peerState.LocalIceCandidateEndpoint = receivedState.LocalIceCandidateEndpoint
+	peerState.RemoteIceCandidateEndpoint = receivedState.RemoteIceCandidateEndpoint
+	peerState.RosenpassEnabled = receivedState.RosenpassEnabled
+
+	d.peers[receivedState.PubKey] = peerState
+
+	if skipNotification {
+		return nil
+	}
+
+	ch, found := d.changeNotify[receivedState.PubKey]
+	if found && ch != nil {
+		close(ch)
+		d.changeNotify[receivedState.PubKey] = nil
+	}
+
+	d.notifyPeerListChanged()
+	return nil
+}
+
+func (d *Status) UpdatePeerRelayedState(receivedState State) error {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+
+	peerState, ok := d.peers[receivedState.PubKey]
+	if !ok {
+		return errors.New("peer doesn't exist")
+	}
+
+	skipNotification := shouldSkipNotify(receivedState.ConnStatus, peerState)
+
+	peerState.ConnStatus = receivedState.ConnStatus
+	peerState.ConnStatusUpdate = receivedState.ConnStatusUpdate
+	peerState.Relayed = receivedState.Relayed
+	peerState.RelayServerAddress = receivedState.RelayServerAddress
+	peerState.RosenpassEnabled = receivedState.RosenpassEnabled
+
+	d.peers[receivedState.PubKey] = peerState
+
+	if skipNotification {
+		return nil
+	}
+
+	ch, found := d.changeNotify[receivedState.PubKey]
+	if found && ch != nil {
+		close(ch)
+		d.changeNotify[receivedState.PubKey] = nil
+	}
+
+	d.notifyPeerListChanged()
+	return nil
+}
+
+func (d *Status) UpdatePeerRelayedStateToDisconnected(receivedState State) error {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+
+	peerState, ok := d.peers[receivedState.PubKey]
+	if !ok {
+		return errors.New("peer doesn't exist")
+	}
+
+	skipNotification := shouldSkipNotify(receivedState.ConnStatus, peerState)
+
+	peerState.ConnStatus = receivedState.ConnStatus
+	peerState.Relayed = receivedState.Relayed
+	peerState.ConnStatusUpdate = receivedState.ConnStatusUpdate
+	peerState.RelayServerAddress = ""
+
+	d.peers[receivedState.PubKey] = peerState
+
+	if skipNotification {
+		return nil
+	}
+
+	ch, found := d.changeNotify[receivedState.PubKey]
+	if found && ch != nil {
+		close(ch)
+		d.changeNotify[receivedState.PubKey] = nil
+	}
+
+	d.notifyPeerListChanged()
+	return nil
+}
+
+func (d *Status) UpdatePeerICEStateToDisconnected(receivedState State) error {
+	d.mux.Lock()
+	defer d.mux.Unlock()
+
+	peerState, ok := d.peers[receivedState.PubKey]
+	if !ok {
+		return errors.New("peer doesn't exist")
+	}
+
+	skipNotification := shouldSkipNotify(receivedState.ConnStatus, peerState)
+
+	peerState.ConnStatus = receivedState.ConnStatus
+	peerState.Relayed = receivedState.Relayed
+	peerState.ConnStatusUpdate = receivedState.ConnStatusUpdate
+	peerState.LocalIceCandidateType = receivedState.LocalIceCandidateType
+	peerState.RemoteIceCandidateType = receivedState.RemoteIceCandidateType
+	peerState.LocalIceCandidateEndpoint = receivedState.LocalIceCandidateEndpoint
+	peerState.RemoteIceCandidateEndpoint = receivedState.RemoteIceCandidateEndpoint
+
+	d.peers[receivedState.PubKey] = peerState
+
+	if skipNotification {
+		return nil
+	}
+
+	ch, found := d.changeNotify[receivedState.PubKey]
+	if found && ch != nil {
+		close(ch)
+		d.changeNotify[receivedState.PubKey] = nil
+	}
+
+	d.notifyPeerListChanged()
+	return nil
+}
+
 // UpdateWireGuardPeerState updates the WireGuard bits of the peer state
 func (d *Status) UpdateWireGuardPeerState(pubKey string, wgStats iface.WGStats) error {
 	d.mux.Lock()
@@ -280,13 +430,13 @@ func (d *Status) UpdateWireGuardPeerState(pubKey string, wgStats iface.WGStats)
 	return nil
 }
 
-func shouldSkipNotify(received, curr State) bool {
+func shouldSkipNotify(receivedConnStatus ConnStatus, curr State) bool {
 	switch {
-	case received.ConnStatus == StatusConnecting:
+	case receivedConnStatus == StatusConnecting:
 		return true
-	case received.ConnStatus == StatusDisconnected && curr.ConnStatus == StatusConnecting:
+	case receivedConnStatus == StatusDisconnected && curr.ConnStatus == StatusConnecting:
 		return true
-	case received.ConnStatus == StatusDisconnected && curr.ConnStatus == StatusDisconnected:
+	case receivedConnStatus == StatusDisconnected && curr.ConnStatus == StatusDisconnected:
 		return curr.IP != ""
 	default:
 		return false
@@ -502,8 +652,35 @@ func (d *Status) GetSignalState() SignalState {
 	}
 }
 
+// GetRelayStates returns the stun/turn/permanent relay states
 func (d *Status) GetRelayStates() []relay.ProbeResult {
-	return d.relayStates
+	if d.relayMgr == nil {
+		return d.relayStates
+	}
+
+	// extend the list of stun, turn servers with relay address
+	relayStates := slices.Clone(d.relayStates)
+
+	var relayState relay.ProbeResult
+
+	// if the server connection is not established then we will use the general address
+	// in case of connection we will use the instance specific address
+	instanceAddr, err := d.relayMgr.RelayInstanceAddress()
+	if err != nil {
+		// TODO add their status
+		if errors.Is(err, relayClient.ErrRelayClientNotConnected) {
+			for _, r := range d.relayMgr.ServerURLs() {
+				relayStates = append(relayStates, relay.ProbeResult{
+					URI: r,
+				})
+			}
+			return relayStates
+		}
+		relayState.Err = err
+	}
+
+	relayState.URI = instanceAddr
+	return append(relayStates, relayState)
 }
 
 func (d *Status) GetDNSStates() []NSGroupState {
@@ -535,7 +712,6 @@ func (d *Status) GetFullStatus() FullStatus {
 	}
 
 	fullStatus.Peers = append(fullStatus.Peers, d.offlinePeers...)
-
 	return fullStatus
 }
 

client/internal/peer/status_test.go

@@ -2,8 +2,8 @@ package peer
 
 import (
 	"errors"
-	"testing"
 	"sync"
+	"testing"
 
 	"github.com/stretchr/testify/assert"
 )
@@ -43,7 +43,7 @@ func TestUpdatePeerState(t *testing.T) {
 	status := NewRecorder("https://mgm")
 	peerState := State{
 		PubKey: key,
-		Mux:	new(sync.RWMutex),
+		Mux:    new(sync.RWMutex),
 	}
 
 	status.peers[key] = peerState
@@ -64,7 +64,7 @@ func TestStatus_UpdatePeerFQDN(t *testing.T) {
 	status := NewRecorder("https://mgm")
 	peerState := State{
 		PubKey: key,
-		Mux:	new(sync.RWMutex),
+		Mux:    new(sync.RWMutex),
 	}
 
 	status.peers[key] = peerState
@@ -83,7 +83,7 @@ func TestGetPeerStateChangeNotifierLogic(t *testing.T) {
 	status := NewRecorder("https://mgm")
 	peerState := State{
 		PubKey: key,
-		Mux:	new(sync.RWMutex),
+		Mux:    new(sync.RWMutex),
 	}
 
 	status.peers[key] = peerState
@@ -108,7 +108,7 @@ func TestRemovePeer(t *testing.T) {
 	status := NewRecorder("https://mgm")
 	peerState := State{
 		PubKey: key,
-		Mux:	new(sync.RWMutex),
+		Mux:    new(sync.RWMutex),
 	}
 
 	status.peers[key] = peerState

client/internal/peer/stdnet.go

@@ -6,6 +6,6 @@ import (
 	"github.com/netbirdio/netbird/client/internal/stdnet"
 )
 
-func (conn *Conn) newStdNet() (*stdnet.Net, error) {
-	return stdnet.NewNet(conn.config.InterfaceBlackList)
+func (w *WorkerICE) newStdNet() (*stdnet.Net, error) {
+	return stdnet.NewNet(w.config.ICEConfig.InterfaceBlackList)
 }

client/internal/peer/stdnet_android.go

@@ -2,6 +2,6 @@ package peer
 
 import "github.com/netbirdio/netbird/client/internal/stdnet"
 
-func (conn *Conn) newStdNet() (*stdnet.Net, error) {
-	return stdnet.NewNetWithDiscover(conn.iFaceDiscover, conn.config.InterfaceBlackList)
+func (w *WorkerICE) newStdNet() (*stdnet.Net, error) {
+	return stdnet.NewNetWithDiscover(w.iFaceDiscover, w.config.ICEConfig.InterfaceBlackList)
 }

client/internal/peer/worker_ice.go

@@ -0,0 +1,470 @@
+package peer
+
+import (
+	"context"
+	"fmt"
+	"net"
+	"net/netip"
+	"runtime"
+	"sync"
+	"sync/atomic"
+	"time"
+
+	"github.com/pion/ice/v3"
+	"github.com/pion/randutil"
+	"github.com/pion/stun/v2"
+	log "github.com/sirupsen/logrus"
+
+	"github.com/netbirdio/netbird/client/internal/stdnet"
+	"github.com/netbirdio/netbird/iface"
+	"github.com/netbirdio/netbird/iface/bind"
+	"github.com/netbirdio/netbird/route"
+)
+
+const (
+	iceKeepAliveDefault           = 4 * time.Second
+	iceDisconnectedTimeoutDefault = 6 * time.Second
+	// iceRelayAcceptanceMinWaitDefault is the same as in the Pion ICE package
+	iceRelayAcceptanceMinWaitDefault = 2 * time.Second
+
+	lenUFrag   = 16
+	lenPwd     = 32
+	runesAlpha = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+)
+
+var (
+	failedTimeout = 6 * time.Second
+)
+
+type ICEConfig struct {
+	// StunTurn is a list of STUN and TURN URLs
+	StunTurn *atomic.Value // []*stun.URI
+
+	// InterfaceBlackList is a list of machine interfaces that should be filtered out by ICE Candidate gathering
+	// (e.g. if eth0 is in the list, host candidate of this interface won't be used)
+	InterfaceBlackList   []string
+	DisableIPv6Discovery bool
+
+	UDPMux      ice.UDPMux
+	UDPMuxSrflx ice.UniversalUDPMux
+
+	NATExternalIPs []string
+}
+
+type ICEConnInfo struct {
+	RemoteConn                 net.Conn
+	RosenpassPubKey            []byte
+	RosenpassAddr              string
+	LocalIceCandidateType      string
+	RemoteIceCandidateType     string
+	RemoteIceCandidateEndpoint string
+	LocalIceCandidateEndpoint  string
+	Relayed                    bool
+	RelayedOnLocal             bool
+}
+
+type WorkerICECallbacks struct {
+	OnConnReady     func(ConnPriority, ICEConnInfo)
+	OnStatusChanged func(ConnStatus)
+}
+
+type WorkerICE struct {
+	ctx               context.Context
+	log               *log.Entry
+	config            ConnConfig
+	signaler          *Signaler
+	iFaceDiscover     stdnet.ExternalIFaceDiscover
+	statusRecorder    *Status
+	hasRelayOnLocally bool
+	conn              WorkerICECallbacks
+
+	selectedPriority ConnPriority
+
+	agent    *ice.Agent
+	muxAgent sync.Mutex
+
+	StunTurn []*stun.URI
+
+	sentExtraSrflx bool
+
+	localUfrag string
+	localPwd   string
+}
+
+func NewWorkerICE(ctx context.Context, log *log.Entry, config ConnConfig, signaler *Signaler, ifaceDiscover stdnet.ExternalIFaceDiscover, statusRecorder *Status, hasRelayOnLocally bool, callBacks WorkerICECallbacks) (*WorkerICE, error) {
+	w := &WorkerICE{
+		ctx:               ctx,
+		log:               log,
+		config:            config,
+		signaler:          signaler,
+		iFaceDiscover:     ifaceDiscover,
+		statusRecorder:    statusRecorder,
+		hasRelayOnLocally: hasRelayOnLocally,
+		conn:              callBacks,
+	}
+
+	localUfrag, localPwd, err := generateICECredentials()
+	if err != nil {
+		return nil, err
+	}
+	w.localUfrag = localUfrag
+	w.localPwd = localPwd
+	return w, nil
+}
+
+func (w *WorkerICE) OnNewOffer(remoteOfferAnswer *OfferAnswer) {
+	w.log.Debugf("OnNewOffer for ICE")
+	w.muxAgent.Lock()
+
+	if w.agent != nil {
+		w.log.Debugf("agent already exists, skipping the offer")
+		w.muxAgent.Unlock()
+		return
+	}
+
+	var preferredCandidateTypes []ice.CandidateType
+	if w.hasRelayOnLocally && remoteOfferAnswer.RelaySrvAddress != "" {
+		w.selectedPriority = connPriorityICEP2P
+		preferredCandidateTypes = candidateTypesP2P()
+	} else {
+		w.selectedPriority = connPriorityICETurn
+		preferredCandidateTypes = candidateTypes()
+	}
+
+	w.log.Debugf("recreate ICE agent")
+	agentCtx, agentCancel := context.WithCancel(w.ctx)
+	agent, err := w.reCreateAgent(agentCancel, preferredCandidateTypes)
+	if err != nil {
+		w.log.Errorf("failed to recreate ICE Agent: %s", err)
+		w.muxAgent.Unlock()
+		return
+	}
+	w.agent = agent
+	w.muxAgent.Unlock()
+
+	w.log.Debugf("gather candidates")
+	err = w.agent.GatherCandidates()
+	if err != nil {
+		w.log.Debugf("failed to gather candidates: %s", err)
+		return
+	}
+
+	// will block until connection succeeded
+	// but it won't release if ICE Agent went into Disconnected or Failed state,
+	// so we have to cancel it with the provided context once agent detected a broken connection
+	w.log.Debugf("turn agent dial")
+	remoteConn, err := w.turnAgentDial(agentCtx, remoteOfferAnswer)
+	if err != nil {
+		w.log.Debugf("failed to dial the remote peer: %s", err)
+		return
+	}
+	w.log.Debugf("agent dial succeeded")
+
+	pair, err := w.agent.GetSelectedCandidatePair()
+	if err != nil {
+		return
+	}
+
+	if !isRelayCandidate(pair.Local) {
+		// dynamically set remote WireGuard port if other side specified a different one from the default one
+		remoteWgPort := iface.DefaultWgPort
+		if remoteOfferAnswer.WgListenPort != 0 {
+			remoteWgPort = remoteOfferAnswer.WgListenPort
+		}
+
+		// To support old version's with direct mode we attempt to punch an additional role with the remote WireGuard port
+		go w.punchRemoteWGPort(pair, remoteWgPort)
+	}
+
+	ci := ICEConnInfo{
+		RemoteConn:                 remoteConn,
+		RosenpassPubKey:            remoteOfferAnswer.RosenpassPubKey,
+		RosenpassAddr:              remoteOfferAnswer.RosenpassAddr,
+		LocalIceCandidateType:      pair.Local.Type().String(),
+		RemoteIceCandidateType:     pair.Remote.Type().String(),
+		LocalIceCandidateEndpoint:  fmt.Sprintf("%s:%d", pair.Local.Address(), pair.Local.Port()),
+		RemoteIceCandidateEndpoint: fmt.Sprintf("%s:%d", pair.Remote.Address(), pair.Remote.Port()),
+		Relayed:                    isRelayed(pair),
+		RelayedOnLocal:             isRelayCandidate(pair.Local),
+	}
+	w.log.Debugf("on ICE conn read to use ready")
+	go w.conn.OnConnReady(w.selectedPriority, ci)
+}
+
+// OnRemoteCandidate Handles ICE connection Candidate provided by the remote peer.
+func (w *WorkerICE) OnRemoteCandidate(candidate ice.Candidate, haRoutes route.HAMap) {
+	w.muxAgent.Lock()
+	defer w.muxAgent.Unlock()
+	w.log.Debugf("OnRemoteCandidate from peer %s -> %s", w.config.Key, candidate.String())
+	if w.agent == nil {
+		w.log.Warnf("ICE Agent is not initialized yet")
+		return
+	}
+
+	if candidateViaRoutes(candidate, haRoutes) {
+		return
+	}
+
+	err := w.agent.AddRemoteCandidate(candidate)
+	if err != nil {
+		w.log.Errorf("error while handling remote candidate")
+		return
+	}
+}
+
+func (w *WorkerICE) GetLocalUserCredentials() (frag string, pwd string) {
+	w.muxAgent.Lock()
+	defer w.muxAgent.Unlock()
+	return w.localUfrag, w.localPwd
+}
+
+func (w *WorkerICE) Close() {
+	w.muxAgent.Lock()
+	defer w.muxAgent.Unlock()
+
+	if w.agent == nil {
+		return
+	}
+
+	err := w.agent.Close()
+	if err != nil {
+		w.log.Warnf("failed to close ICE agent: %s", err)
+	}
+}
+
+func (w *WorkerICE) reCreateAgent(agentCancel context.CancelFunc, relaySupport []ice.CandidateType) (*ice.Agent, error) {
+	transportNet, err := w.newStdNet()
+	if err != nil {
+		w.log.Errorf("failed to create pion's stdnet: %s", err)
+	}
+
+	iceKeepAlive := iceKeepAlive()
+	iceDisconnectedTimeout := iceDisconnectedTimeout()
+	iceRelayAcceptanceMinWait := iceRelayAcceptanceMinWait()
+
+	agentConfig := &ice.AgentConfig{
+		MulticastDNSMode:       ice.MulticastDNSModeDisabled,
+		NetworkTypes:           []ice.NetworkType{ice.NetworkTypeUDP4, ice.NetworkTypeUDP6},
+		Urls:                   w.config.ICEConfig.StunTurn.Load().([]*stun.URI),
+		CandidateTypes:         relaySupport,
+		InterfaceFilter:        stdnet.InterfaceFilter(w.config.ICEConfig.InterfaceBlackList),
+		UDPMux:                 w.config.ICEConfig.UDPMux,
+		UDPMuxSrflx:            w.config.ICEConfig.UDPMuxSrflx,
+		NAT1To1IPs:             w.config.ICEConfig.NATExternalIPs,
+		Net:                    transportNet,
+		FailedTimeout:          &failedTimeout,
+		DisconnectedTimeout:    &iceDisconnectedTimeout,
+		KeepaliveInterval:      &iceKeepAlive,
+		RelayAcceptanceMinWait: &iceRelayAcceptanceMinWait,
+		LocalUfrag:             w.localUfrag,
+		LocalPwd:               w.localPwd,
+	}
+
+	if w.config.ICEConfig.DisableIPv6Discovery {
+		agentConfig.NetworkTypes = []ice.NetworkType{ice.NetworkTypeUDP4}
+	}
+
+	w.sentExtraSrflx = false
+	agent, err := ice.NewAgent(agentConfig)
+	if err != nil {
+		return nil, err
+	}
+
+	err = agent.OnCandidate(w.onICECandidate)
+	if err != nil {
+		return nil, err
+	}
+
+	err = agent.OnConnectionStateChange(func(state ice.ConnectionState) {
+		w.log.Debugf("ICE ConnectionState has changed to %s", state.String())
+		if state == ice.ConnectionStateFailed || state == ice.ConnectionStateDisconnected {
+			w.conn.OnStatusChanged(StatusDisconnected)
+
+			w.muxAgent.Lock()
+			agentCancel()
+			_ = agent.Close()
+			w.agent = nil
+
+			w.muxAgent.Unlock()
+		}
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	err = agent.OnSelectedCandidatePairChange(w.onICESelectedCandidatePair)
+	if err != nil {
+		return nil, err
+	}
+
+	err = agent.OnSuccessfulSelectedPairBindingResponse(func(p *ice.CandidatePair) {
+		err := w.statusRecorder.UpdateLatency(w.config.Key, p.Latency())
+		if err != nil {
+			w.log.Debugf("failed to update latency for peer: %s", err)
+			return
+		}
+	})
+	if err != nil {
+		return nil, fmt.Errorf("failed setting binding response callback: %w", err)
+	}
+
+	return agent, nil
+}
+
+func (w *WorkerICE) punchRemoteWGPort(pair *ice.CandidatePair, remoteWgPort int) {
+	// wait local endpoint configuration
+	time.Sleep(time.Second)
+	addr, err := net.ResolveUDPAddr("udp", fmt.Sprintf("%s:%d", pair.Remote.Address(), remoteWgPort))
+	if err != nil {
+		w.log.Warnf("got an error while resolving the udp address, err: %s", err)
+		return
+	}
+
+	mux, ok := w.config.ICEConfig.UDPMuxSrflx.(*bind.UniversalUDPMuxDefault)
+	if !ok {
+		w.log.Warn("invalid udp mux conversion")
+		return
+	}
+	_, err = mux.GetSharedConn().WriteTo([]byte{0x6e, 0x62}, addr)
+	if err != nil {
+		w.log.Warnf("got an error while sending the punch packet, err: %s", err)
+	}
+}
+
+// onICECandidate is a callback attached to an ICE Agent to receive new local connection candidates
+// and then signals them to the remote peer
+func (w *WorkerICE) onICECandidate(candidate ice.Candidate) {
+	// nil means candidate gathering has been ended
+	if candidate == nil {
+		return
+	}
+
+	// TODO: reported port is incorrect for CandidateTypeHost, makes understanding ICE use via logs confusing as port is ignored
+	w.log.Debugf("discovered local candidate %s", candidate.String())
+	go func() {
+		err := w.signaler.SignalICECandidate(candidate, w.config.Key)
+		if err != nil {
+			w.log.Errorf("failed signaling candidate to the remote peer %s %s", w.config.Key, err)
+		}
+	}()
+
+	if !w.shouldSendExtraSrflxCandidate(candidate) {
+		return
+	}
+
+	// sends an extra server reflexive candidate to the remote peer with our related port (usually the wireguard port)
+	// this is useful when network has an existing port forwarding rule for the wireguard port and this peer
+	extraSrflx, err := extraSrflxCandidate(candidate)
+	if err != nil {
+		w.log.Errorf("failed creating extra server reflexive candidate %s", err)
+		return
+	}
+	w.sentExtraSrflx = true
+
+	go func() {
+		err = w.signaler.SignalICECandidate(extraSrflx, w.config.Key)
+		if err != nil {
+			w.log.Errorf("failed signaling the extra server reflexive candidate: %s", err)
+		}
+	}()
+}
+
+func (w *WorkerICE) onICESelectedCandidatePair(c1 ice.Candidate, c2 ice.Candidate) {
+	w.log.Debugf("selected candidate pair [local <-> remote] -> [%s <-> %s], peer %s", c1.String(), c2.String(),
+		w.config.Key)
+}
+
+func (w *WorkerICE) shouldSendExtraSrflxCandidate(candidate ice.Candidate) bool {
+	if !w.sentExtraSrflx && candidate.Type() == ice.CandidateTypeServerReflexive && candidate.Port() != candidate.RelatedAddress().Port {
+		return true
+	}
+	return false
+}
+
+func (w *WorkerICE) turnAgentDial(ctx context.Context, remoteOfferAnswer *OfferAnswer) (*ice.Conn, error) {
+	isControlling := w.config.LocalKey > w.config.Key
+	if isControlling {
+		return w.agent.Dial(ctx, remoteOfferAnswer.IceCredentials.UFrag, remoteOfferAnswer.IceCredentials.Pwd)
+	} else {
+		return w.agent.Accept(ctx, remoteOfferAnswer.IceCredentials.UFrag, remoteOfferAnswer.IceCredentials.Pwd)
+	}
+}
+
+func extraSrflxCandidate(candidate ice.Candidate) (*ice.CandidateServerReflexive, error) {
+	relatedAdd := candidate.RelatedAddress()
+	return ice.NewCandidateServerReflexive(&ice.CandidateServerReflexiveConfig{
+		Network:   candidate.NetworkType().String(),
+		Address:   candidate.Address(),
+		Port:      relatedAdd.Port,
+		Component: candidate.Component(),
+		RelAddr:   relatedAdd.Address,
+		RelPort:   relatedAdd.Port,
+	})
+}
+
+func candidateViaRoutes(candidate ice.Candidate, clientRoutes route.HAMap) bool {
+	var routePrefixes []netip.Prefix
+	for _, routes := range clientRoutes {
+		if len(routes) > 0 && routes[0] != nil {
+			routePrefixes = append(routePrefixes, routes[0].Network)
+		}
+	}
+
+	addr, err := netip.ParseAddr(candidate.Address())
+	if err != nil {
+		log.Errorf("Failed to parse IP address %s: %v", candidate.Address(), err)
+		return false
+	}
+
+	for _, prefix := range routePrefixes {
+		// default route is
+		if prefix.Bits() == 0 {
+			continue
+		}
+
+		if prefix.Contains(addr) {
+			log.Debugf("Ignoring candidate [%s], its address is part of routed network %s", candidate.String(), prefix)
+			return true
+		}
+	}
+	return false
+}
+
+func candidateTypes() []ice.CandidateType {
+	if hasICEForceRelayConn() {
+		return []ice.CandidateType{ice.CandidateTypeRelay}
+	}
+	// TODO: remove this once we have refactored userspace proxy into the bind package
+	if runtime.GOOS == "ios" {
+		return []ice.CandidateType{ice.CandidateTypeHost, ice.CandidateTypeServerReflexive}
+	}
+	return []ice.CandidateType{ice.CandidateTypeHost, ice.CandidateTypeServerReflexive, ice.CandidateTypeRelay}
+}
+
+func candidateTypesP2P() []ice.CandidateType {
+	return []ice.CandidateType{ice.CandidateTypeHost, ice.CandidateTypeServerReflexive}
+}
+
+func isRelayCandidate(candidate ice.Candidate) bool {
+	return candidate.Type() == ice.CandidateTypeRelay
+}
+
+func isRelayed(pair *ice.CandidatePair) bool {
+	if pair.Local.Type() == ice.CandidateTypeRelay || pair.Remote.Type() == ice.CandidateTypeRelay {
+		return true
+	}
+	return false
+}
+
+func generateICECredentials() (string, string, error) {
+	ufrag, err := randutil.GenerateCryptoRandomString(lenUFrag, runesAlpha)
+	if err != nil {
+		return "", "", err
+	}
+
+	pwd, err := randutil.GenerateCryptoRandomString(lenPwd, runesAlpha)
+	if err != nil {
+		return "", "", err
+	}
+	return ufrag, pwd, nil
+}

client/internal/peer/worker_relay.go

@@ -0,0 +1,236 @@
+package peer
+
+import (
+	"context"
+	"errors"
+	"net"
+	"sync"
+	"sync/atomic"
+	"time"
+
+	log "github.com/sirupsen/logrus"
+
+	relayClient "github.com/netbirdio/netbird/relay/client"
+)
+
+var (
+	wgHandshakePeriod   = 3 * time.Minute
+	wgHandshakeOvertime = 30 * time.Second
+)
+
+type RelayConnInfo struct {
+	relayedConn     net.Conn
+	rosenpassPubKey []byte
+	rosenpassAddr   string
+}
+
+type WorkerRelayCallbacks struct {
+	OnConnReady    func(RelayConnInfo)
+	OnDisconnected func()
+}
+
+type WorkerRelay struct {
+	log          *log.Entry
+	config       ConnConfig
+	relayManager relayClient.ManagerService
+	callBacks    WorkerRelayCallbacks
+
+	relayedConn      net.Conn
+	relayLock        sync.Mutex
+	ctxWgWatch       context.Context
+	ctxCancelWgWatch context.CancelFunc
+	ctxLock          sync.Mutex
+
+	relaySupportedOnRemotePeer atomic.Bool
+}
+
+func NewWorkerRelay(log *log.Entry, config ConnConfig, relayManager relayClient.ManagerService, callbacks WorkerRelayCallbacks) *WorkerRelay {
+	r := &WorkerRelay{
+		log:          log,
+		config:       config,
+		relayManager: relayManager,
+		callBacks:    callbacks,
+	}
+	return r
+}
+
+func (w *WorkerRelay) OnNewOffer(remoteOfferAnswer *OfferAnswer) {
+	if !w.isRelaySupported(remoteOfferAnswer) {
+		w.log.Infof("Relay is not supported by remote peer")
+		w.relaySupportedOnRemotePeer.Store(false)
+		return
+	}
+	w.relaySupportedOnRemotePeer.Store(true)
+
+	// the relayManager will return with error in case if the connection has lost with relay server
+	currentRelayAddress, err := w.relayManager.RelayInstanceAddress()
+	if err != nil {
+		w.log.Errorf("failed to handle new offer: %s", err)
+		return
+	}
+
+	srv := w.preferredRelayServer(currentRelayAddress, remoteOfferAnswer.RelaySrvAddress)
+
+	relayedConn, err := w.relayManager.OpenConn(srv, w.config.Key)
+	if err != nil {
+		if errors.Is(err, relayClient.ErrConnAlreadyExists) {
+			w.log.Infof("do not need to reopen relay connection")
+			return
+		}
+		w.log.Errorf("failed to open connection via Relay: %s", err)
+		return
+	}
+	w.relayLock.Lock()
+	w.relayedConn = relayedConn
+	w.relayLock.Unlock()
+
+	err = w.relayManager.AddCloseListener(srv, w.onRelayMGDisconnected)
+	if err != nil {
+		log.Errorf("failed to add close listener: %s", err)
+		_ = relayedConn.Close()
+		return
+	}
+
+	w.log.Debugf("peer conn opened via Relay: %s", srv)
+	go w.callBacks.OnConnReady(RelayConnInfo{
+		relayedConn:     relayedConn,
+		rosenpassPubKey: remoteOfferAnswer.RosenpassPubKey,
+		rosenpassAddr:   remoteOfferAnswer.RosenpassAddr,
+	})
+}
+
+func (w *WorkerRelay) EnableWgWatcher(ctx context.Context) {
+	w.log.Debugf("enable WireGuard watcher")
+	w.ctxLock.Lock()
+	defer w.ctxLock.Unlock()
+
+	if w.ctxWgWatch != nil && w.ctxWgWatch.Err() == nil {
+		return
+	}
+
+	ctx, ctxCancel := context.WithCancel(ctx)
+	w.wgStateCheck(ctx)
+	w.ctxWgWatch = ctx
+	w.ctxCancelWgWatch = ctxCancel
+
+}
+
+func (w *WorkerRelay) DisableWgWatcher() {
+	w.ctxLock.Lock()
+	defer w.ctxLock.Unlock()
+
+	if w.ctxCancelWgWatch == nil {
+		return
+	}
+
+	w.log.Debugf("disable WireGuard watcher")
+
+	w.ctxCancelWgWatch()
+}
+
+func (w *WorkerRelay) RelayInstanceAddress() (string, error) {
+	return w.relayManager.RelayInstanceAddress()
+}
+
+func (w *WorkerRelay) IsRelayConnectionSupportedWithPeer() bool {
+	return w.relaySupportedOnRemotePeer.Load() && w.RelayIsSupportedLocally()
+}
+
+func (w *WorkerRelay) IsController() bool {
+	return w.config.LocalKey > w.config.Key
+}
+
+func (w *WorkerRelay) RelayIsSupportedLocally() bool {
+	return w.relayManager.HasRelayAddress()
+}
+
+func (w *WorkerRelay) CloseConn() {
+	w.relayLock.Lock()
+	defer w.relayLock.Unlock()
+	if w.relayedConn == nil {
+		return
+	}
+
+	err := w.relayedConn.Close()
+	if err != nil {
+		w.log.Warnf("failed to close relay connection: %v", err)
+	}
+}
+
+// wgStateCheck help to check the state of the WireGuard handshake and relay connection
+func (w *WorkerRelay) wgStateCheck(ctx context.Context) {
+	lastHandshake, err := w.wgState()
+	if err != nil {
+		w.log.Errorf("failed to read wg stats: %v", err)
+		lastHandshake = time.Time{}
+	}
+
+	go func(lastHandshake time.Time) {
+		timer := time.NewTimer(wgHandshakeOvertime)
+		defer timer.Stop()
+
+		for {
+			select {
+			case <-timer.C:
+
+				handshake, err := w.wgState()
+				if err != nil {
+					w.log.Errorf("failed to read wg stats: %v", err)
+					timer.Reset(wgHandshakeOvertime)
+					continue
+				}
+
+				w.log.Tracef("previous handshake, handshake: %v, %v", lastHandshake, handshake)
+
+				if handshake.Equal(lastHandshake) {
+					w.log.Infof("WireGuard handshake timed out, closing relay connection: %v", handshake)
+					w.relayLock.Lock()
+					_ = w.relayedConn.Close()
+					w.relayLock.Unlock()
+					w.callBacks.OnDisconnected()
+					return
+				}
+
+				resetTime := time.Until(handshake.Add(wgHandshakePeriod + wgHandshakeOvertime))
+				lastHandshake = handshake
+				timer.Reset(resetTime)
+			case <-ctx.Done():
+				w.log.Debugf("WireGuard watcher stopped")
+				return
+			}
+		}
+	}(lastHandshake)
+
+}
+
+func (w *WorkerRelay) isRelaySupported(answer *OfferAnswer) bool {
+	if !w.relayManager.HasRelayAddress() {
+		return false
+	}
+	return answer.RelaySrvAddress != ""
+}
+
+func (w *WorkerRelay) preferredRelayServer(myRelayAddress, remoteRelayAddress string) string {
+	if w.IsController() {
+		return myRelayAddress
+	}
+	return remoteRelayAddress
+}
+
+func (w *WorkerRelay) wgState() (time.Time, error) {
+	wgState, err := w.config.WgConfig.WgInterface.GetStats(w.config.Key)
+	if err != nil {
+		return time.Time{}, err
+	}
+	return wgState.LastHandshake, nil
+}
+
+func (w *WorkerRelay) onRelayMGDisconnected() {
+	w.ctxLock.Lock()
+	defer w.ctxLock.Unlock()
+
+	if w.ctxCancelWgWatch != nil {
+		w.ctxCancelWgWatch()
+	}
+	go w.callBacks.OnDisconnected()
+}

client/internal/pkce_auth.go

@@ -2,6 +2,7 @@ package internal
 
 import (
 	"context"
+	"crypto/tls"
 	"fmt"
 	"net/url"
 
@@ -36,10 +37,12 @@ type PKCEAuthProviderConfig struct {
 	RedirectURLs []string
 	// UseIDToken indicates if the id token should be used for authentication
 	UseIDToken bool
+	//ClientCertPair is used for mTLS authentication to the IDP
+	ClientCertPair *tls.Certificate
 }
 
 // GetPKCEAuthorizationFlowInfo initialize a PKCEAuthorizationFlow instance and return with it
-func GetPKCEAuthorizationFlowInfo(ctx context.Context, privateKey string, mgmURL *url.URL) (PKCEAuthorizationFlow, error) {
+func GetPKCEAuthorizationFlowInfo(ctx context.Context, privateKey string, mgmURL *url.URL, clientCert *tls.Certificate) (PKCEAuthorizationFlow, error) {
 	// validate our peer's Wireguard PRIVATE key
 	myPrivateKey, err := wgtypes.ParseKey(privateKey)
 	if err != nil {
@@ -93,6 +96,7 @@ func GetPKCEAuthorizationFlowInfo(ctx context.Context, privateKey string, mgmURL
 			Scope:                 protoPKCEAuthorizationFlow.GetProviderConfig().GetScope(),
 			RedirectURLs:          protoPKCEAuthorizationFlow.GetProviderConfig().GetRedirectURLs(),
 			UseIDToken:            protoPKCEAuthorizationFlow.GetProviderConfig().GetUseIDToken(),
+			ClientCertPair:        clientCert,
 		},
 	}
 

client/internal/probe.go

@@ -2,6 +2,13 @@ package internal
 
 import "context"
 
+type ProbeHolder struct {
+	MgmProbe    *Probe
+	SignalProbe *Probe
+	RelayProbe  *Probe
+	WgProbe     *Probe
+}
+
 // Probe allows to run on-demand callbacks from different code locations.
 // Pass the probe to a receiving and a sending end. The receiving end starts listening
 // to requests with Receive and executes a callback when the sending end requests it

client/internal/relay/relay.go

@@ -17,7 +17,7 @@ import (
 
 // ProbeResult holds the info about the result of a relay probe request
 type ProbeResult struct {
-	URI  *stun.URI
+	URI  string
 	Err  error
 	Addr string
 }
@@ -176,7 +176,7 @@ func ProbeAll(
 		wg.Add(1)
 		go func(res *ProbeResult, stunURI *stun.URI) {
 			defer wg.Done()
-			res.URI = stunURI
+			res.URI = stunURI.String()
 			res.Addr, res.Err = fn(ctx, stunURI)
 		}(&results[i], uri)
 	}

client/internal/routemanager/client.go

@@ -10,6 +10,7 @@ import (
 	log "github.com/sirupsen/logrus"
 
 	nberrors "github.com/netbirdio/netbird/client/errors"
+	nbdns "github.com/netbirdio/netbird/client/internal/dns"
 	"github.com/netbirdio/netbird/client/internal/peer"
 	"github.com/netbirdio/netbird/client/internal/routemanager/dynamic"
 	"github.com/netbirdio/netbird/client/internal/routemanager/refcounter"
@@ -21,7 +22,6 @@ import (
 type routerPeerStatus struct {
 	connected bool
 	relayed   bool
-	direct    bool
 	latency   time.Duration
 }
 
@@ -43,7 +43,7 @@ type clientNetwork struct {
 	ctx                 context.Context
 	cancel              context.CancelFunc
 	statusRecorder      *peer.Status
-	wgInterface         *iface.WGIface
+	wgInterface         iface.IWGIface
 	routes              map[route.ID]*route.Route
 	routeUpdate         chan routesUpdate
 	peerStateUpdate     chan struct{}
@@ -53,7 +53,7 @@ type clientNetwork struct {
 	updateSerial        uint64
 }
 
-func newClientNetworkWatcher(ctx context.Context, dnsRouteInterval time.Duration, wgInterface *iface.WGIface, statusRecorder *peer.Status, rt *route.Route, routeRefCounter *refcounter.RouteRefCounter, allowedIPsRefCounter *refcounter.AllowedIPsRefCounter) *clientNetwork {
+func newClientNetworkWatcher(ctx context.Context, dnsRouteInterval time.Duration, wgInterface iface.IWGIface, statusRecorder *peer.Status, rt *route.Route, routeRefCounter *refcounter.RouteRefCounter, allowedIPsRefCounter *refcounter.AllowedIPsRefCounter) *clientNetwork {
 	ctx, cancel := context.WithCancel(ctx)
 
 	client := &clientNetwork{
@@ -65,7 +65,7 @@ func newClientNetworkWatcher(ctx context.Context, dnsRouteInterval time.Duration
 		routePeersNotifiers: make(map[string]chan struct{}),
 		routeUpdate:         make(chan routesUpdate),
 		peerStateUpdate:     make(chan struct{}),
-		handler:             handlerFromRoute(rt, routeRefCounter, allowedIPsRefCounter, dnsRouteInterval, statusRecorder),
+		handler:             handlerFromRoute(rt, routeRefCounter, allowedIPsRefCounter, dnsRouteInterval, statusRecorder, wgInterface),
 	}
 	return client
 }
@@ -81,7 +81,6 @@ func (c *clientNetwork) getRouterPeerStatuses() map[route.ID]routerPeerStatus {
 		routePeerStatuses[r.ID] = routerPeerStatus{
 			connected: peerStatus.ConnStatus == peer.StatusConnected,
 			relayed:   peerStatus.Relayed,
-			direct:    peerStatus.Direct,
 			latency:   peerStatus.Latency,
 		}
 	}
@@ -96,8 +95,8 @@ func (c *clientNetwork) getRouterPeerStatuses() map[route.ID]routerPeerStatus {
 // * Connected peers: Only routes with connected peers are considered.
 // * Metric: Routes with lower metrics (better) are prioritized.
 // * Non-relayed: Routes without relays are preferred.
-// * Direct connections: Routes with direct peer connections are favored.
 // * Latency: Routes with lower latency are prioritized.
+// * we compare the current score + 10ms to the chosen score to avoid flapping between routes
 // * Stability: In case of equal scores, the currently active route (if any) is maintained.
 //
 // It returns the ID of the selected optimal route.
@@ -136,10 +135,6 @@ func (c *clientNetwork) getBestRouteFromStatuses(routePeerStatuses map[route.ID]
 			tempScore++
 		}
 
-		if peerStatus.direct {
-			tempScore++
-		}
-
 		if tempScore > chosenScore || (tempScore == chosenScore && chosen == "") {
 			chosen = r.ID
 			chosenScore = tempScore
@@ -383,9 +378,10 @@ func (c *clientNetwork) peersStateAndUpdateWatcher() {
 	}
 }
 
-func handlerFromRoute(rt *route.Route, routeRefCounter *refcounter.RouteRefCounter, allowedIPsRefCounter *refcounter.AllowedIPsRefCounter, dnsRouterInteval time.Duration, statusRecorder *peer.Status) RouteHandler {
+func handlerFromRoute(rt *route.Route, routeRefCounter *refcounter.RouteRefCounter, allowedIPsRefCounter *refcounter.AllowedIPsRefCounter, dnsRouterInteval time.Duration, statusRecorder *peer.Status, wgInterface iface.IWGIface) RouteHandler {
 	if rt.IsDynamic() {
-		return dynamic.NewRoute(rt, routeRefCounter, allowedIPsRefCounter, dnsRouterInteval, statusRecorder)
+		dns := nbdns.NewServiceViaMemory(wgInterface)
+		return dynamic.NewRoute(rt, routeRefCounter, allowedIPsRefCounter, dnsRouterInteval, statusRecorder, wgInterface, fmt.Sprintf("%s:%d", dns.RuntimeIP(), dns.RuntimePort()))
 	}
 	return static.NewRoute(rt, routeRefCounter, allowedIPsRefCounter)
 }

client/internal/routemanager/client_test.go

@@ -24,7 +24,6 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 				},
 			},
 			existingRoutes: map[route.ID]*route.Route{
@@ -43,7 +42,6 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: true,
 					relayed:   true,
-					direct:    true,
 				},
 			},
 			existingRoutes: map[route.ID]*route.Route{
@@ -62,7 +60,6 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: true,
 					relayed:   true,
-					direct:    false,
 				},
 			},
 			existingRoutes: map[route.ID]*route.Route{
@@ -81,7 +78,6 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: false,
 					relayed:   false,
-					direct:    false,
 				},
 			},
 			existingRoutes: map[route.ID]*route.Route{
@@ -100,12 +96,10 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 				},
 				"route2": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 				},
 			},
 			existingRoutes: map[route.ID]*route.Route{
@@ -129,41 +123,10 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 				},
 				"route2": {
 					connected: true,
 					relayed:   true,
-					direct:    true,
-				},
-			},
-			existingRoutes: map[route.ID]*route.Route{
-				"route1": {
-					ID:     "route1",
-					Metric: route.MaxMetric,
-					Peer:   "peer1",
-				},
-				"route2": {
-					ID:     "route2",
-					Metric: route.MaxMetric,
-					Peer:   "peer2",
-				},
-			},
-			currentRoute:    "",
-			expectedRouteID: "route1",
-		},
-		{
-			name: "multiple connected peers with one direct",
-			statuses: map[route.ID]routerPeerStatus{
-				"route1": {
-					connected: true,
-					relayed:   false,
-					direct:    true,
-				},
-				"route2": {
-					connected: true,
-					relayed:   false,
-					direct:    false,
 				},
 			},
 			existingRoutes: map[route.ID]*route.Route{
@@ -241,13 +204,11 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 					latency:   15 * time.Millisecond,
 				},
 				"route2": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 					latency:   10 * time.Millisecond,
 				},
 			},
@@ -272,13 +233,11 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 					latency:   200 * time.Millisecond,
 				},
 				"route2": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 					latency:   10 * time.Millisecond,
 				},
 			},
@@ -303,13 +262,11 @@ func TestGetBestrouteFromStatuses(t *testing.T) {
 				"route1": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 					latency:   20 * time.Millisecond,
 				},
 				"route2": {
 					connected: true,
 					relayed:   false,
-					direct:    true,
 					latency:   10 * time.Millisecond,
 				},
 			},

client/internal/routemanager/dynamic/route.go

@@ -16,6 +16,7 @@ import (
 	"github.com/netbirdio/netbird/client/internal/peer"
 	"github.com/netbirdio/netbird/client/internal/routemanager/refcounter"
 	"github.com/netbirdio/netbird/client/internal/routemanager/util"
+	"github.com/netbirdio/netbird/iface"
 	"github.com/netbirdio/netbird/management/domain"
 	"github.com/netbirdio/netbird/route"
 )
@@ -47,6 +48,8 @@ type Route struct {
 	currentPeerKey       string
 	cancel               context.CancelFunc
 	statusRecorder       *peer.Status
+	wgInterface          iface.IWGIface
+	resolverAddr         string
 }
 
 func NewRoute(
@@ -55,6 +58,8 @@ func NewRoute(
 	allowedIPsRefCounter *refcounter.AllowedIPsRefCounter,
 	interval time.Duration,
 	statusRecorder *peer.Status,
+	wgInterface iface.IWGIface,
+	resolverAddr string,
 ) *Route {
 	return &Route{
 		route:                rt,
@@ -63,6 +68,8 @@ func NewRoute(
 		interval:             interval,
 		dynamicDomains:       domainMap{},
 		statusRecorder:       statusRecorder,
+		wgInterface:          wgInterface,
+		resolverAddr:         resolverAddr,
 	}
 }
 
@@ -189,9 +196,14 @@ func (r *Route) startResolver(ctx context.Context) {
 }
 
 func (r *Route) update(ctx context.Context) error {
-	if resolved, err := r.resolveDomains(); err != nil {
-		return fmt.Errorf("resolve domains: %w", err)
-	} else if err := r.updateDynamicRoutes(ctx, resolved); err != nil {
+	resolved, err := r.resolveDomains()
+	if err != nil {
+		if len(resolved) == 0 {
+			return fmt.Errorf("resolve domains: %w", err)
+		}
+		log.Warnf("Failed to resolve domains: %v", err)
+	}
+	if err := r.updateDynamicRoutes(ctx, resolved); err != nil {
 		return fmt.Errorf("update dynamic routes: %w", err)
 	}
 
@@ -223,11 +235,17 @@ func (r *Route) resolve(results chan resolveResult) {
 		wg.Add(1)
 		go func(domain domain.Domain) {
 			defer wg.Done()
-			ips, err := net.LookupIP(string(domain))
+
+			ips, err := r.getIPsFromResolver(domain)
 			if err != nil {
-				results <- resolveResult{domain: domain, err: fmt.Errorf("resolve d %s: %w", domain.SafeString(), err)}
-				return
+				log.Tracef("Failed to resolve domain %s with private resolver: %v", domain.SafeString(), err)
+				ips, err = net.LookupIP(string(domain))
+				if err != nil {
+					results <- resolveResult{domain: domain, err: fmt.Errorf("resolve d %s: %w", domain.SafeString(), err)}
+					return
+				}
 			}
+
 			for _, ip := range ips {
 				prefix, err := util.GetPrefixFromIP(ip)
 				if err != nil {

client/internal/routemanager/dynamic/route_generic.go

@@ -0,0 +1,13 @@
+//go:build !ios
+
+package dynamic
+
+import (
+	"net"
+
+	"github.com/netbirdio/netbird/management/domain"
+)
+
+func (r *Route) getIPsFromResolver(domain domain.Domain) ([]net.IP, error) {
+	return net.LookupIP(string(domain))
+}

client/internal/routemanager/dynamic/route_ios.go

@@ -0,0 +1,55 @@
+//go:build ios
+
+package dynamic
+
+import (
+	"fmt"
+	"net"
+	"time"
+
+	"github.com/miekg/dns"
+
+	nbdns "github.com/netbirdio/netbird/client/internal/dns"
+
+	"github.com/netbirdio/netbird/management/domain"
+)
+
+const dialTimeout = 10 * time.Second
+
+func (r *Route) getIPsFromResolver(domain domain.Domain) ([]net.IP, error) {
+	privateClient, err := nbdns.GetClientPrivate(r.wgInterface.Address().IP, r.wgInterface.Name(), dialTimeout)
+	if err != nil {
+		return nil, fmt.Errorf("error while creating private client: %s", err)
+	}
+
+	msg := new(dns.Msg)
+	msg.SetQuestion(dns.Fqdn(string(domain)), dns.TypeA)
+
+	startTime := time.Now()
+
+	response, _, err := privateClient.Exchange(msg, r.resolverAddr)
+	if err != nil {
+		return nil, fmt.Errorf("DNS query for %s failed after %s: %s ", domain.SafeString(), time.Since(startTime), err)
+	}
+
+	if response.Rcode != dns.RcodeSuccess {
+		return nil, fmt.Errorf("dns response code: %s", dns.RcodeToString[response.Rcode])
+	}
+
+	ips := make([]net.IP, 0)
+
+	for _, answ := range response.Answer {
+		if aRecord, ok := answ.(*dns.A); ok {
+			ips = append(ips, aRecord.A)
+		}
+		if aaaaRecord, ok := answ.(*dns.AAAA); ok {
+			ips = append(ips, aaaaRecord.AAAA)
+		}
+	}
+
+	if len(ips) == 0 {
+		return nil, fmt.Errorf("no A or AAAA records found for %s", domain.SafeString())
+	}
+
+	return ips, nil
+}

client/internal/routemanager/manager.go

@@ -22,6 +22,7 @@ import (
 	"github.com/netbirdio/netbird/client/internal/routemanager/vars"
 	"github.com/netbirdio/netbird/client/internal/routeselector"
 	"github.com/netbirdio/netbird/iface"
+	relayClient "github.com/netbirdio/netbird/relay/client"
 	"github.com/netbirdio/netbird/route"
 	nbnet "github.com/netbirdio/netbird/util/net"
 	"github.com/netbirdio/netbird/version"
@@ -49,7 +50,8 @@ type DefaultManager struct {
 	serverRouter         serverRouter
 	sysOps               *systemops.SysOps
 	statusRecorder       *peer.Status
-	wgInterface          *iface.WGIface
+	relayMgr             *relayClient.Manager
+	wgInterface          iface.IWGIface
 	pubKey               string
 	notifier             *notifier.Notifier
 	routeRefCounter      *refcounter.RouteRefCounter
@@ -61,8 +63,9 @@ func NewManager(
 	ctx context.Context,
 	pubKey string,
 	dnsRouteInterval time.Duration,
-	wgInterface *iface.WGIface,
+	wgInterface iface.IWGIface,
 	statusRecorder *peer.Status,
+	relayMgr *relayClient.Manager,
 	initialRoutes []*route.Route,
 ) *DefaultManager {
 	mCTX, cancel := context.WithCancel(ctx)
@@ -74,6 +77,7 @@ func NewManager(
 		stop:             cancel,
 		dnsRouteInterval: dnsRouteInterval,
 		clientNetworks:   make(map[route.HAUniqueID]*clientNetwork),
+		relayMgr:         relayMgr,
 		routeSelector:    routeselector.NewRouteSelector(),
 		sysOps:           sysOps,
 		statusRecorder:   statusRecorder,
@@ -124,9 +128,12 @@ func (m *DefaultManager) Init() (nbnet.AddHookFunc, nbnet.RemoveHookFunc, error)
 		log.Warnf("Failed cleaning up routing: %v", err)
 	}
 
-	mgmtAddress := m.statusRecorder.GetManagementState().URL
-	signalAddress := m.statusRecorder.GetSignalState().URL
-	ips := resolveURLsToIPs([]string{mgmtAddress, signalAddress})
+	initialAddresses := []string{m.statusRecorder.GetManagementState().URL, m.statusRecorder.GetSignalState().URL}
+	if m.relayMgr != nil {
+		initialAddresses = append(initialAddresses, m.relayMgr.ServerURLs()...)
+	}
+
+	ips := resolveURLsToIPs(initialAddresses)
 
 	beforePeerHook, afterPeerHook, err := m.sysOps.SetupRouting(ips)
 	if err != nil {

client/internal/routemanager/manager_test.go

@@ -416,7 +416,7 @@ func TestManagerUpdateRoutes(t *testing.T) {
 
 			statusRecorder := peer.NewRecorder("https://mgm")
 			ctx := context.TODO()
-			routeManager := NewManager(ctx, localPeerKey, 0, wgInterface, statusRecorder, nil)
+			routeManager := NewManager(ctx, localPeerKey, 0, wgInterface, statusRecorder, nil, nil)
 
 			_, _, err = routeManager.Init()
 

client/internal/routemanager/server_android.go

@@ -11,6 +11,6 @@ import (
 	"github.com/netbirdio/netbird/iface"
 )
 
-func newServerRouter(context.Context, *iface.WGIface, firewall.Manager, *peer.Status) (serverRouter, error) {
+func newServerRouter(context.Context, iface.IWGIface, firewall.Manager, *peer.Status) (serverRouter, error) {
 	return nil, fmt.Errorf("server route not supported on this os")
 }

client/internal/routemanager/server_nonandroid.go

@@ -22,11 +22,11 @@ type defaultServerRouter struct {
 	ctx            context.Context
 	routes         map[route.ID]*route.Route
 	firewall       firewall.Manager
-	wgInterface    *iface.WGIface
+	wgInterface    iface.IWGIface
 	statusRecorder *peer.Status
 }
 
-func newServerRouter(ctx context.Context, wgInterface *iface.WGIface, firewall firewall.Manager, statusRecorder *peer.Status) (serverRouter, error) {
+func newServerRouter(ctx context.Context, wgInterface iface.IWGIface, firewall firewall.Manager, statusRecorder *peer.Status) (serverRouter, error) {
 	return &defaultServerRouter{
 		ctx:            ctx,
 		routes:         make(map[route.ID]*route.Route),

client/internal/routemanager/sysctl/sysctl_linux.go

@@ -1,4 +1,5 @@
-// go:build !android
+//go:build !android
+
 package sysctl
 
 import (
@@ -22,7 +23,7 @@ const (
 )
 
 // Setup configures sysctl settings for RP filtering and source validation.
-func Setup(wgIface *iface.WGIface) (map[string]int, error) {
+func Setup(wgIface iface.IWGIface) (map[string]int, error) {
 	keys := map[string]int{}
 	var result *multierror.Error
 

client/internal/routemanager/systemops/systemops.go

@@ -19,7 +19,7 @@ type ExclusionCounter = refcounter.Counter[any, Nexthop]
 
 type SysOps struct {
 	refCounter  *ExclusionCounter
-	wgInterface *iface.WGIface
+	wgInterface iface.IWGIface
 	// prefixes is tracking all the current added prefixes im memory
 	// (this is used in iOS as all route updates require a full table update)
 	//nolint
@@ -30,7 +30,7 @@ type SysOps struct {
 	notifier *notifier.Notifier
 }
 
-func NewSysOps(wgInterface *iface.WGIface, notifier *notifier.Notifier) *SysOps {
+func NewSysOps(wgInterface iface.IWGIface, notifier *notifier.Notifier) *SysOps {
 	return &SysOps{
 		wgInterface: wgInterface,
 		notifier:    notifier,

client/internal/routemanager/systemops/systemops_bsd.go

@@ -22,7 +22,7 @@ type Route struct {
 	Interface *net.Interface
 }
 
-func getRoutesFromTable() ([]netip.Prefix, error) {
+func GetRoutesFromTable() ([]netip.Prefix, error) {
 	tab, err := retryFetchRIB()
 	if err != nil {
 		return nil, fmt.Errorf("fetch RIB: %v", err)

client/internal/routemanager/systemops/systemops_generic.go

@@ -122,7 +122,7 @@ func (r *SysOps) addRouteForCurrentDefaultGateway(prefix netip.Prefix) error {
 
 // addRouteToNonVPNIntf adds a new route to the routing table for the given prefix and returns the next hop and interface.
 // If the next hop or interface is pointing to the VPN interface, it will return the initial values.
-func (r *SysOps) addRouteToNonVPNIntf(prefix netip.Prefix, vpnIntf *iface.WGIface, initialNextHop Nexthop) (Nexthop, error) {
+func (r *SysOps) addRouteToNonVPNIntf(prefix netip.Prefix, vpnIntf iface.IWGIface, initialNextHop Nexthop) (Nexthop, error) {
 	addr := prefix.Addr()
 	switch {
 	case addr.IsLoopback(),
@@ -427,7 +427,7 @@ func ipToAddr(ip net.IP, intf *net.Interface) (netip.Addr, error) {
 }
 
 func existsInRouteTable(prefix netip.Prefix) (bool, error) {
-	routes, err := getRoutesFromTable()
+	routes, err := GetRoutesFromTable()
 	if err != nil {
 		return false, fmt.Errorf("get routes from table: %w", err)
 	}
@@ -440,7 +440,7 @@ func existsInRouteTable(prefix netip.Prefix) (bool, error) {
 }
 
 func isSubRange(prefix netip.Prefix) (bool, error) {
-	routes, err := getRoutesFromTable()
+	routes, err := GetRoutesFromTable()
 	if err != nil {
 		return false, fmt.Errorf("get routes from table: %w", err)
 	}

client/internal/routemanager/systemops/systemops_linux.go

@@ -206,7 +206,7 @@ func (r *SysOps) RemoveVPNRoute(prefix netip.Prefix, intf *net.Interface) error
 	return nil
 }
 
-func getRoutesFromTable() ([]netip.Prefix, error) {
+func GetRoutesFromTable() ([]netip.Prefix, error) {
 	v4Routes, err := getRoutes(syscall.RT_TABLE_MAIN, netlink.FAMILY_V4)
 	if err != nil {
 		return nil, fmt.Errorf("get v4 routes: %w", err)
@@ -504,7 +504,7 @@ func getAddressFamily(prefix netip.Prefix) int {
 
 func hasSeparateRouting() ([]netip.Prefix, error) {
 	if isLegacy() {
-		return getRoutesFromTable()
+		return GetRoutesFromTable()
 	}
 	return nil, ErrRoutingIsSeparate
 }

client/internal/routemanager/systemops/systemops_nonlinux.go

@@ -24,5 +24,5 @@ func EnableIPForwarding() error {
 }
 
 func hasSeparateRouting() ([]netip.Prefix, error) {
-	return getRoutesFromTable()
+	return GetRoutesFromTable()
 }

client/internal/routemanager/systemops/systemops_windows.go

@@ -3,6 +3,8 @@
 package systemops
 
 import (
+	"context"
+	"encoding/binary"
 	"fmt"
 	"net"
 	"net/netip"
@@ -11,15 +13,43 @@ import (
 	"strconv"
 	"strings"
 	"sync"
+	"syscall"
 	"time"
+	"unsafe"
 
 	log "github.com/sirupsen/logrus"
 	"github.com/yusufpapurcu/wmi"
+	"golang.org/x/sys/windows"
 
 	"github.com/netbirdio/netbird/client/firewall/uspfilter"
 	nbnet "github.com/netbirdio/netbird/util/net"
 )
 
+type RouteUpdateType int
+
+// RouteUpdate represents a change in the routing table.
+// The interface field contains the index only.
+type RouteUpdate struct {
+	Type        RouteUpdateType
+	Destination netip.Prefix
+	NextHop     netip.Addr
+	Interface   *net.Interface
+}
+
+// RouteMonitor provides a way to monitor changes in the routing table.
+type RouteMonitor struct {
+	updates chan RouteUpdate
+	handle  windows.Handle
+	done    chan struct{}
+}
+
+// Route represents a single routing table entry.
+type Route struct {
+	Destination netip.Prefix
+	Nexthop     netip.Addr
+	Interface   *net.Interface
+}
+
 type MSFT_NetRoute struct {
 	DestinationPrefix string
 	NextHop           string
@@ -28,33 +58,77 @@ type MSFT_NetRoute struct {
 	AddressFamily     uint16
 }
 
-type Route struct {
-	Destination netip.Prefix
-	Nexthop     netip.Addr
-	Interface   *net.Interface
+// MIB_IPFORWARD_ROW2 is defined in https://learn.microsoft.com/en-us/windows/win32/api/netioapi/ns-netioapi-mib_ipforward_row2
+type MIB_IPFORWARD_ROW2 struct {
+	InterfaceLuid        uint64
+	InterfaceIndex       uint32
+	DestinationPrefix    IP_ADDRESS_PREFIX
+	NextHop              SOCKADDR_INET_NEXTHOP
+	SitePrefixLength     uint8
+	ValidLifetime        uint32
+	PreferredLifetime    uint32
+	Metric               uint32
+	Protocol             uint32
+	Loopback             uint8
+	AutoconfigureAddress uint8
+	Publish              uint8
+	Immortal             uint8
+	Age                  uint32
+	Origin               uint32
 }
 
-type MSFT_NetNeighbor struct {
-	IPAddress        string
-	LinkLayerAddress string
-	State            uint8
-	AddressFamily    uint16
-	InterfaceIndex   uint32
-	InterfaceAlias   string
+// IP_ADDRESS_PREFIX is defined in https://learn.microsoft.com/en-us/windows/win32/api/netioapi/ns-netioapi-ip_address_prefix
+type IP_ADDRESS_PREFIX struct {
+	Prefix       SOCKADDR_INET
+	PrefixLength uint8
 }
 
-type Neighbor struct {
-	IPAddress        netip.Addr
-	LinkLayerAddress string
-	State            uint8
-	AddressFamily    uint16
-	InterfaceIndex   uint32
-	InterfaceAlias   string
+// SOCKADDR_INET is defined in https://learn.microsoft.com/en-us/windows/win32/api/ws2ipdef/ns-ws2ipdef-sockaddr_inet
+// It represents the union of IPv4 and IPv6 socket addresses
+type SOCKADDR_INET struct {
+	sin6_family int16
+	// nolint:unused
+	sin6_port uint16
+	// 4 bytes ipv4 or 4 bytes flowinfo + 16 bytes ipv6 + 4 bytes scope_id
+	data [24]byte
 }
 
-var prefixList []netip.Prefix
-var lastUpdate time.Time
-var mux = sync.Mutex{}
+// SOCKADDR_INET_NEXTHOP is the same as SOCKADDR_INET but offset by 2 bytes
+type SOCKADDR_INET_NEXTHOP struct {
+	// nolint:unused
+	pad         [2]byte
+	sin6_family int16
+	// nolint:unused
+	sin6_port uint16
+	// 4 bytes ipv4 or 4 bytes flowinfo + 16 bytes ipv6 + 4 bytes scope_id
+	data [24]byte
+}
+
+// MIB_NOTIFICATION_TYPE is defined in https://learn.microsoft.com/en-us/windows/win32/api/netioapi/ne-netioapi-mib_notification_type
+type MIB_NOTIFICATION_TYPE int32
+
+var (
+	modiphlpapi                = windows.NewLazyDLL("iphlpapi.dll")
+	procNotifyRouteChange2     = modiphlpapi.NewProc("NotifyRouteChange2")
+	procCancelMibChangeNotify2 = modiphlpapi.NewProc("CancelMibChangeNotify2")
+
+	prefixList []netip.Prefix
+	lastUpdate time.Time
+	mux        sync.Mutex
+)
+
+const (
+	MibParemeterModification MIB_NOTIFICATION_TYPE = iota
+	MibAddInstance
+	MibDeleteInstance
+	MibInitialNotification
+)
+
+const (
+	RouteModified RouteUpdateType = iota
+	RouteAdded
+	RouteDeleted
+)
 
 func (r *SysOps) SetupRouting(initAddresses []net.IP) (nbnet.AddHookFunc, nbnet.RemoveHookFunc, error) {
 	return r.setupRefCounter(initAddresses)
@@ -94,7 +168,156 @@ func (r *SysOps) removeFromRouteTable(prefix netip.Prefix, nexthop Nexthop) erro
 	return nil
 }
 
-func getRoutesFromTable() ([]netip.Prefix, error) {
+// NewRouteMonitor creates and starts a new RouteMonitor.
+// It returns a pointer to the RouteMonitor and an error if the monitor couldn't be started.
+func NewRouteMonitor(ctx context.Context) (*RouteMonitor, error) {
+	rm := &RouteMonitor{
+		updates: make(chan RouteUpdate, 5),
+		done:    make(chan struct{}),
+	}
+
+	if err := rm.start(ctx); err != nil {
+		return nil, err
+	}
+
+	return rm, nil
+}
+
+func (rm *RouteMonitor) start(ctx context.Context) error {
+	if ctx.Err() != nil {
+		return ctx.Err()
+	}
+
+	callbackPtr := windows.NewCallback(func(callerContext uintptr, row *MIB_IPFORWARD_ROW2, notificationType MIB_NOTIFICATION_TYPE) uintptr {
+		if ctx.Err() != nil {
+			return 0
+		}
+
+		update, err := rm.parseUpdate(row, notificationType)
+		if err != nil {
+			log.Errorf("Failed to parse route update: %v", err)
+			return 0
+		}
+
+		select {
+		case <-rm.done:
+			return 0
+		case rm.updates <- update:
+		default:
+			log.Warn("Route update channel is full, dropping update")
+		}
+		return 0
+	})
+
+	var handle windows.Handle
+	if err := notifyRouteChange2(windows.AF_UNSPEC, callbackPtr, 0, false, &handle); err != nil {
+		return fmt.Errorf("NotifyRouteChange2 failed: %w", err)
+	}
+
+	rm.handle = handle
+
+	return nil
+}
+
+func (rm *RouteMonitor) parseUpdate(row *MIB_IPFORWARD_ROW2, notificationType MIB_NOTIFICATION_TYPE) (RouteUpdate, error) {
+	// destination prefix, next hop, interface index, interface luid are guaranteed to be there
+	// GetIpForwardEntry2 is not needed
+
+	var update RouteUpdate
+
+	idx := int(row.InterfaceIndex)
+	if idx != 0 {
+		intf, err := net.InterfaceByIndex(idx)
+		if err != nil {
+			return update, fmt.Errorf("get interface name: %w", err)
+		}
+
+		update.Interface = intf
+	}
+
+	log.Tracef("Received route update with destination %v, next hop %v, interface %v", row.DestinationPrefix, row.NextHop, update.Interface)
+	dest := parseIPPrefix(row.DestinationPrefix, idx)
+	if !dest.Addr().IsValid() {
+		return RouteUpdate{}, fmt.Errorf("invalid destination: %v", row)
+	}
+
+	nexthop := parseIPNexthop(row.NextHop, idx)
+	if !nexthop.IsValid() {
+		return RouteUpdate{}, fmt.Errorf("invalid next hop %v", row)
+	}
+
+	updateType := RouteModified
+	switch notificationType {
+	case MibParemeterModification:
+		updateType = RouteModified
+	case MibAddInstance:
+		updateType = RouteAdded
+	case MibDeleteInstance:
+		updateType = RouteDeleted
+	}
+
+	update.Type = updateType
+	update.Destination = dest
+	update.NextHop = nexthop
+
+	return update, nil
+}
+
+// Stop stops the RouteMonitor.
+func (rm *RouteMonitor) Stop() error {
+	if rm.handle != 0 {
+		if err := cancelMibChangeNotify2(rm.handle); err != nil {
+			return fmt.Errorf("CancelMibChangeNotify2 failed: %w", err)
+		}
+		rm.handle = 0
+	}
+	close(rm.done)
+	close(rm.updates)
+	return nil
+}
+
+// RouteUpdates returns a channel that receives RouteUpdate messages.
+func (rm *RouteMonitor) RouteUpdates() <-chan RouteUpdate {
+	return rm.updates
+}
+
+func notifyRouteChange2(family uint32, callback uintptr, callerContext uintptr, initialNotification bool, handle *windows.Handle) error {
+	var initNotif uint32
+	if initialNotification {
+		initNotif = 1
+	}
+
+	r1, _, e1 := syscall.SyscallN(
+		procNotifyRouteChange2.Addr(),
+		uintptr(family),
+		callback,
+		callerContext,
+		uintptr(initNotif),
+		uintptr(unsafe.Pointer(handle)),
+	)
+	if r1 != 0 {
+		if e1 != 0 {
+			return e1
+		}
+		return syscall.EINVAL
+	}
+	return nil
+}
+
+func cancelMibChangeNotify2(handle windows.Handle) error {
+	r1, _, e1 := syscall.SyscallN(procCancelMibChangeNotify2.Addr(), uintptr(handle))
+	if r1 != 0 {
+		if e1 != 0 {
+			return e1
+		}
+		return syscall.EINVAL
+	}
+	return nil
+}
+
+// GetRoutesFromTable returns the current routing table from with prefixes only.
+// It ccaches the result for 2 seconds to avoid blocking the caller.
+func GetRoutesFromTable() ([]netip.Prefix, error) {
 	mux.Lock()
 	defer mux.Unlock()
 
@@ -117,6 +340,7 @@ func getRoutesFromTable() ([]netip.Prefix, error) {
 	return prefixList, nil
 }
 
+// GetRoutes retrieves the current routing table using WMI.
 func GetRoutes() ([]Route, error) {
 	var entries []MSFT_NetRoute
 
@@ -146,8 +370,8 @@ func GetRoutes() ([]Route, error) {
 				Name:  entry.InterfaceAlias,
 			}
 
-			if nexthop.Is6() && (nexthop.IsLinkLocalUnicast() || nexthop.IsLinkLocalMulticast()) {
-				nexthop = nexthop.WithZone(strconv.Itoa(int(entry.InterfaceIndex)))
+			if nexthop.Is6() {
+				nexthop = addZone(nexthop, int(entry.InterfaceIndex))
 			}
 		}
 
@@ -161,33 +385,6 @@ func GetRoutes() ([]Route, error) {
 	return routes, nil
 }
 
-func GetNeighbors() ([]Neighbor, error) {
-	var entries []MSFT_NetNeighbor
-	query := `SELECT IPAddress, LinkLayerAddress, State, AddressFamily, InterfaceIndex, InterfaceAlias FROM MSFT_NetNeighbor`
-	if err := wmi.QueryNamespace(query, &entries, `ROOT\StandardCimv2`); err != nil {
-		return nil, fmt.Errorf("failed to query MSFT_NetNeighbor: %w", err)
-	}
-
-	var neighbors []Neighbor
-	for _, entry := range entries {
-		addr, err := netip.ParseAddr(entry.IPAddress)
-		if err != nil {
-			log.Warnf("Unable to parse neighbor IP address %s: %v", entry.IPAddress, err)
-			continue
-		}
-		neighbors = append(neighbors, Neighbor{
-			IPAddress:        addr,
-			LinkLayerAddress: entry.LinkLayerAddress,
-			State:            entry.State,
-			AddressFamily:    entry.AddressFamily,
-			InterfaceIndex:   entry.InterfaceIndex,
-			InterfaceAlias:   entry.InterfaceAlias,
-		})
-	}
-
-	return neighbors, nil
-}
-
 func addRouteCmd(prefix netip.Prefix, nexthop Nexthop) error {
 	args := []string{"add", prefix.String()}
 
@@ -220,3 +417,54 @@ func addRouteCmd(prefix netip.Prefix, nexthop Nexthop) error {
 func isCacheDisabled() bool {
 	return os.Getenv("NB_DISABLE_ROUTE_CACHE") == "true"
 }
+
+func parseIPPrefix(prefix IP_ADDRESS_PREFIX, idx int) netip.Prefix {
+	ip := parseIP(prefix.Prefix, idx)
+	return netip.PrefixFrom(ip, int(prefix.PrefixLength))
+}
+
+func parseIP(addr SOCKADDR_INET, idx int) netip.Addr {
+	return parseIPGeneric(addr.sin6_family, addr.data, idx)
+}
+
+func parseIPNexthop(addr SOCKADDR_INET_NEXTHOP, idx int) netip.Addr {
+	return parseIPGeneric(addr.sin6_family, addr.data, idx)
+}
+
+func parseIPGeneric(family int16, data [24]byte, interfaceIndex int) netip.Addr {
+	switch family {
+	case windows.AF_INET:
+		ipv4 := binary.BigEndian.Uint32(data[:4])
+		return netip.AddrFrom4([4]byte{
+			byte(ipv4 >> 24),
+			byte(ipv4 >> 16),
+			byte(ipv4 >> 8),
+			byte(ipv4),
+		})
+
+	case windows.AF_INET6:
+		// The IPv6 address is stored after the 4-byte flowinfo field
+		var ipv6 [16]byte
+		copy(ipv6[:], data[4:20])
+		ip := netip.AddrFrom16(ipv6)
+
+		// Check if there's a non-zero scope_id
+		scopeID := binary.BigEndian.Uint32(data[20:24])
+		if scopeID != 0 {
+			ip = ip.WithZone(strconv.FormatUint(uint64(scopeID), 10))
+		} else if interfaceIndex != 0 {
+			ip = addZone(ip, interfaceIndex)
+		}
+
+		return ip
+	}
+
+	return netip.IPv4Unspecified()
+}
+
+func addZone(ip netip.Addr, interfaceIndex int) netip.Addr {
+	if ip.IsLinkLocalUnicast() || ip.IsLinkLocalMulticast() {
+		ip = ip.WithZone(strconv.Itoa(interfaceIndex))
+	}
+	return ip
+}

client/internal/wgproxy/proxy_ebpf.go

@@ -181,7 +181,7 @@ func (p *WGEBPFProxy) proxyToRemote() {
 			conn, ok := p.turnConnStore[uint16(addr.Port)]
 			p.turnConnMutex.Unlock()
 			if !ok {
-				log.Infof("turn conn not found by port: %d", addr.Port)
+				log.Debugf("turn conn not found by port because conn already has been closed: %d", addr.Port)
 				continue
 			}
 
@@ -206,7 +206,7 @@ func (p *WGEBPFProxy) storeTurnConn(turnConn net.Conn) (uint16, error) {
 }
 
 func (p *WGEBPFProxy) removeTurnConn(turnConnID uint16) {
-	log.Tracef("remove turn conn from store by port: %d", turnConnID)
+	log.Debugf("remove turn conn from store by port: %d", turnConnID)
 	p.turnConnMutex.Lock()
 	defer p.turnConnMutex.Unlock()
 	delete(p.turnConnStore, turnConnID)

client/internal/wgproxy/proxy_userspace.go

@@ -3,6 +3,7 @@ package wgproxy
 import (
 	"context"
 	"fmt"
+	"io"
 	"net"
 
 	log "github.com/sirupsen/logrus"
@@ -64,7 +65,6 @@ func (p *WGUserSpaceProxy) Free() error {
 // proxyToRemote proxies everything from Wireguard to the RemoteKey peer
 // blocks
 func (p *WGUserSpaceProxy) proxyToRemote() {
-
 	buf := make([]byte, 1500)
 	for {
 		select {
@@ -73,11 +73,17 @@ func (p *WGUserSpaceProxy) proxyToRemote() {
 		default:
 			n, err := p.localConn.Read(buf)
 			if err != nil {
+				log.Debugf("failed to read from wg interface conn: %s", err)
 				continue
 			}
 
 			_, err = p.remoteConn.Write(buf[:n])
 			if err != nil {
+				if err == io.EOF {
+					p.cancel()
+				} else {
+					log.Debugf("failed to write to remote conn: %s", err)
+				}
 				continue
 			}
 		}
@@ -96,11 +102,17 @@ func (p *WGUserSpaceProxy) proxyToLocal() {
 		default:
 			n, err := p.remoteConn.Read(buf)
 			if err != nil {
+				if err == io.EOF {
+					p.cancel()
+					return
+				}
+				log.Errorf("failed to read from remote conn: %s", err)
 				continue
 			}
 
 			_, err = p.localConn.Write(buf[:n])
 			if err != nil {
+				log.Debugf("failed to write to wg interface conn: %s", err)
 				continue
 			}
 		}

client/ios/NetBirdSDK/client.go

@@ -168,7 +168,6 @@ func (c *Client) GetStatusDetails() *StatusDetails {
 			BytesTx:                    p.BytesTx,
 			ConnStatus:                 p.ConnStatus.String(),
 			ConnStatusUpdate:           p.ConnStatusUpdate.Format("2006-01-02 15:04:05"),
-			Direct:                     p.Direct,
 			LastWireguardHandshake:     p.LastWireguardHandshake.String(),
 			Relayed:                    p.Relayed,
 			RosenpassEnabled:           p.RosenpassEnabled,
@@ -271,7 +270,14 @@ func (c *Client) GetRoutesSelectionDetails() (*RoutesSelectionDetails, error) {
 	}
 
 	routesMap := engine.GetClientRoutesWithNetID()
-	routeSelector := engine.GetRouteManager().GetRouteSelector()
+	routeManager := engine.GetRouteManager()
+	if routeManager == nil {
+		return nil, fmt.Errorf("could not get route manager")
+	}
+	routeSelector := routeManager.GetRouteSelector()
+	if routeSelector == nil {
+		return nil, fmt.Errorf("could not get route selector")
+	}
 
 	var routes []*selectRoute
 	for id, rt := range routesMap {

client/ios/NetBirdSDK/login.go

@@ -74,7 +74,7 @@ func (a *Auth) SaveConfigIfSSOSupported() (bool, error) {
 	err := a.withBackOff(a.ctx, func() (err error) {
 		_, err = internal.GetDeviceAuthorizationFlowInfo(a.ctx, a.config.PrivateKey, a.config.ManagementURL)
 		if s, ok := gstatus.FromError(err); ok && (s.Code() == codes.NotFound || s.Code() == codes.Unimplemented) {
-			_, err = internal.GetPKCEAuthorizationFlowInfo(a.ctx, a.config.PrivateKey, a.config.ManagementURL)
+			_, err = internal.GetPKCEAuthorizationFlowInfo(a.ctx, a.config.PrivateKey, a.config.ManagementURL, nil)
 			if s, ok := gstatus.FromError(err); ok && (s.Code() == codes.NotFound || s.Code() == codes.Unimplemented) {
 				supportsSSO = false
 				err = nil

client/proto/daemon.pb.go

@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.26.0
-// 	protoc        v4.23.4
+// 	protoc        v3.21.12
 // source: daemon.proto
 
 package proto
@@ -899,7 +899,6 @@ type PeerState struct {
 	ConnStatus                 string                 `protobuf:"bytes,3,opt,name=connStatus,proto3" json:"connStatus,omitempty"`
 	ConnStatusUpdate           *timestamppb.Timestamp `protobuf:"bytes,4,opt,name=connStatusUpdate,proto3" json:"connStatusUpdate,omitempty"`
 	Relayed                    bool                   `protobuf:"varint,5,opt,name=relayed,proto3" json:"relayed,omitempty"`
-	Direct                     bool                   `protobuf:"varint,6,opt,name=direct,proto3" json:"direct,omitempty"`
 	LocalIceCandidateType      string                 `protobuf:"bytes,7,opt,name=localIceCandidateType,proto3" json:"localIceCandidateType,omitempty"`
 	RemoteIceCandidateType     string                 `protobuf:"bytes,8,opt,name=remoteIceCandidateType,proto3" json:"remoteIceCandidateType,omitempty"`
 	Fqdn                       string                 `protobuf:"bytes,9,opt,name=fqdn,proto3" json:"fqdn,omitempty"`
@@ -911,6 +910,7 @@ type PeerState struct {
 	RosenpassEnabled           bool                   `protobuf:"varint,15,opt,name=rosenpassEnabled,proto3" json:"rosenpassEnabled,omitempty"`
 	Routes                     []string               `protobuf:"bytes,16,rep,name=routes,proto3" json:"routes,omitempty"`
 	Latency                    *durationpb.Duration   `protobuf:"bytes,17,opt,name=latency,proto3" json:"latency,omitempty"`
+	RelayAddress               string                 `protobuf:"bytes,18,opt,name=relayAddress,proto3" json:"relayAddress,omitempty"`
 }
 
 func (x *PeerState) Reset() {
@@ -980,13 +980,6 @@ func (x *PeerState) GetRelayed() bool {
 	return false
 }
 
-func (x *PeerState) GetDirect() bool {
-	if x != nil {
-		return x.Direct
-	}
-	return false
-}
-
 func (x *PeerState) GetLocalIceCandidateType() string {
 	if x != nil {
 		return x.LocalIceCandidateType
@@ -1064,6 +1057,13 @@ func (x *PeerState) GetLatency() *durationpb.Duration {
 	return nil
 }
 
+func (x *PeerState) GetRelayAddress() string {
+	if x != nil {
+		return x.RelayAddress
+	}
+	return ""
+}
+
 // LocalPeerState contains the latest state of the local peer
 type LocalPeerState struct {
 	state         protoimpl.MessageState
@@ -1828,8 +1828,9 @@ type DebugBundleRequest struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Anonymize bool   `protobuf:"varint,1,opt,name=anonymize,proto3" json:"anonymize,omitempty"`
-	Status    string `protobuf:"bytes,2,opt,name=status,proto3" json:"status,omitempty"`
+	Anonymize  bool   `protobuf:"varint,1,opt,name=anonymize,proto3" json:"anonymize,omitempty"`
+	Status     string `protobuf:"bytes,2,opt,name=status,proto3" json:"status,omitempty"`
+	SystemInfo bool   `protobuf:"varint,3,opt,name=systemInfo,proto3" json:"systemInfo,omitempty"`
 }
 
 func (x *DebugBundleRequest) Reset() {
@@ -1878,6 +1879,13 @@ func (x *DebugBundleRequest) GetStatus() string {
 	return ""
 }
 
+func (x *DebugBundleRequest) GetSystemInfo() bool {
+	if x != nil {
+		return x.SystemInfo
+	}
+	return false
+}
+
 type DebugBundleResponse struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -2235,7 +2243,7 @@ var file_daemon_proto_rawDesc = []byte{
 	0x45, 0x6e, 0x61, 0x62, 0x6c, 0x65, 0x64, 0x12, 0x30, 0x0a, 0x13, 0x72, 0x6f, 0x73, 0x65, 0x6e,
 	0x70, 0x61, 0x73, 0x73, 0x50, 0x65, 0x72, 0x6d, 0x69, 0x73, 0x73, 0x69, 0x76, 0x65, 0x18, 0x0c,
 	0x20, 0x01, 0x28, 0x08, 0x52, 0x13, 0x72, 0x6f, 0x73, 0x65, 0x6e, 0x70, 0x61, 0x73, 0x73, 0x50,
-	0x65, 0x72, 0x6d, 0x69, 0x73, 0x73, 0x69, 0x76, 0x65, 0x22, 0xce, 0x05, 0x0a, 0x09, 0x50, 0x65,
+	0x65, 0x72, 0x6d, 0x69, 0x73, 0x73, 0x69, 0x76, 0x65, 0x22, 0xda, 0x05, 0x0a, 0x09, 0x50, 0x65,
 	0x65, 0x72, 0x53, 0x74, 0x61, 0x74, 0x65, 0x12, 0x0e, 0x0a, 0x02, 0x49, 0x50, 0x18, 0x01, 0x20,
 	0x01, 0x28, 0x09, 0x52, 0x02, 0x49, 0x50, 0x12, 0x16, 0x0a, 0x06, 0x70, 0x75, 0x62, 0x4b, 0x65,
 	0x79, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x70, 0x75, 0x62, 0x4b, 0x65, 0x79, 0x12,
@@ -2247,207 +2255,210 @@ var file_daemon_proto_rawDesc = []byte{
 	0x73, 0x74, 0x61, 0x6d, 0x70, 0x52, 0x10, 0x63, 0x6f, 0x6e, 0x6e, 0x53, 0x74, 0x61, 0x74, 0x75,
 	0x73, 0x55, 0x70, 0x64, 0x61, 0x74, 0x65, 0x12, 0x18, 0x0a, 0x07, 0x72, 0x65, 0x6c, 0x61, 0x79,
 	0x65, 0x64, 0x18, 0x05, 0x20, 0x01, 0x28, 0x08, 0x52, 0x07, 0x72, 0x65, 0x6c, 0x61, 0x79, 0x65,
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+	0x74, 0x52, 0x6f, 0x75, 0x74, 0x65, 0x73, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22,
+	0x00, 0x12, 0x48, 0x0a, 0x0b, 0x44, 0x65, 0x62, 0x75, 0x67, 0x42, 0x75, 0x6e, 0x64, 0x6c, 0x65,
+	0x12, 0x1a, 0x2e, 0x64, 0x61, 0x65, 0x6d, 0x6f, 0x6e, 0x2e, 0x44, 0x65, 0x62, 0x75, 0x67, 0x42,
+	0x75, 0x6e, 0x64, 0x6c, 0x65, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x1b, 0x2e, 0x64,
+	0x61, 0x65, 0x6d, 0x6f, 0x6e, 0x2e, 0x44, 0x65, 0x62, 0x75, 0x67, 0x42, 0x75, 0x6e, 0x64, 0x6c,
+	0x65, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x12, 0x48, 0x0a, 0x0b, 0x47,
+	0x65, 0x74, 0x4c, 0x6f, 0x67, 0x4c, 0x65, 0x76, 0x65, 0x6c, 0x12, 0x1a, 0x2e, 0x64, 0x61, 0x65,
 	0x6d, 0x6f, 0x6e, 0x2e, 0x47, 0x65, 0x74, 0x4c, 0x6f, 0x67, 0x4c, 0x65, 0x76, 0x65, 0x6c, 0x52,
-	0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x12, 0x48, 0x0a, 0x0b, 0x53, 0x65, 0x74,
-	0x4c, 0x6f, 0x67, 0x4c, 0x65, 0x76, 0x65, 0x6c, 0x12, 0x1a, 0x2e, 0x64, 0x61, 0x65, 0x6d, 0x6f,
-	0x6e, 0x2e, 0x53, 0x65, 0x74, 0x4c, 0x6f, 0x67, 0x4c, 0x65, 0x76, 0x65, 0x6c, 0x52, 0x65, 0x71,
-	0x75, 0x65, 0x73, 0x74, 0x1a, 0x1b, 0x2e, 0x64, 0x61, 0x65, 0x6d, 0x6f, 0x6e, 0x2e, 0x53, 0x65,
-	0x74, 0x4c, 0x6f, 0x67, 0x4c, 0x65, 0x76, 0x65, 0x6c, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73,
-	0x65, 0x22, 0x00, 0x42, 0x08, 0x5a, 0x06, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x06, 0x70,
-	0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x1b, 0x2e, 0x64, 0x61, 0x65, 0x6d, 0x6f, 0x6e, 0x2e,
+	0x47, 0x65, 0x74, 0x4c, 0x6f, 0x67, 0x4c, 0x65, 0x76, 0x65, 0x6c, 0x52, 0x65, 0x73, 0x70, 0x6f,
+	0x6e, 0x73, 0x65, 0x22, 0x00, 0x12, 0x48, 0x0a, 0x0b, 0x53, 0x65, 0x74, 0x4c, 0x6f, 0x67, 0x4c,
+	0x65, 0x76, 0x65, 0x6c, 0x12, 0x1a, 0x2e, 0x64, 0x61, 0x65, 0x6d, 0x6f, 0x6e, 0x2e, 0x53, 0x65,
+	0x74, 0x4c, 0x6f, 0x67, 0x4c, 0x65, 0x76, 0x65, 0x6c, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74,
+	0x1a, 0x1b, 0x2e, 0x64, 0x61, 0x65, 0x6d, 0x6f, 0x6e, 0x2e, 0x53, 0x65, 0x74, 0x4c, 0x6f, 0x67,
+	0x4c, 0x65, 0x76, 0x65, 0x6c, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x42,
+	0x08, 0x5a, 0x06, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x33,
 }
 
 var (

client/proto/daemon.proto

@@ -168,7 +168,6 @@ message PeerState {
   string connStatus = 3;
   google.protobuf.Timestamp connStatusUpdate = 4;
   bool relayed = 5;
-  bool direct = 6;
   string localIceCandidateType = 7;
   string remoteIceCandidateType = 8;
   string fqdn = 9;
@@ -180,6 +179,7 @@ message PeerState {
   bool rosenpassEnabled = 15;
   repeated string routes = 16;
   google.protobuf.Duration latency = 17;
+  string relayAddress = 18;
 }
 
 // LocalPeerState contains the latest state of the local peer
@@ -263,6 +263,7 @@ message Route {
 message DebugBundleRequest {
   bool anonymize = 1;
   string status = 2;
+  bool systemInfo = 3;
 }
 
 message DebugBundleResponse {

client/server/debug.go

@@ -1,3 +1,5 @@
+//go:build !android && !ios
+
 package server
 
 import (
@@ -6,16 +8,70 @@ import (
 	"context"
 	"fmt"
 	"io"
+	"net"
+	"net/netip"
 	"os"
+	"sort"
 	"strings"
+	"time"
 
 	log "github.com/sirupsen/logrus"
 
 	"github.com/netbirdio/netbird/client/anonymize"
 	"github.com/netbirdio/netbird/client/internal/peer"
+	"github.com/netbirdio/netbird/client/internal/routemanager/systemops"
 	"github.com/netbirdio/netbird/client/proto"
 )
 
+const readmeContent = `Netbird debug bundle
+This debug bundle contains the following files:
+
+status.txt: Anonymized status information of the NetBird client.
+client.log: Most recent, anonymized log file of the NetBird client.
+routes.txt: Anonymized system routes, if --system-info flag was provided.
+interfaces.txt: Anonymized network interface information, if --system-info flag was provided.
+config.txt: Anonymized configuration information of the NetBird client.
+
+
+Anonymization Process
+The files in this bundle have been anonymized to protect sensitive information. Here's how the anonymization was applied:
+
+IP Addresses
+
+IPv4 addresses are replaced with addresses starting from 192.51.100.0
+IPv6 addresses are replaced with addresses starting from 100::
+
+IP addresses from non public ranges and well known addresses are not anonymized (e.g. 8.8.8.8, 100.64.0.0/10, addresses starting with 192.168., 172.16., 10., etc.).
+Reoccuring IP addresses are replaced with the same anonymized address.
+
+Note: The anonymized IP addresses in the status file do not match those in the log and routes files. However, the anonymized IP addresses are consistent within the status file and across the routes and log files.
+
+Domains
+All domain names (except for the netbird domains) are replaced with randomly generated strings ending in ".domain". Anonymized domains are consistent across all files in the bundle.
+Reoccuring domain names are replaced with the same anonymized domain.
+
+Routes
+For anonymized routes, the IP addresses are replaced as described above. The prefix length remains unchanged. Note that for prefixes, the anonymized IP might not be a network address, but the prefix length is still correct.
+Network Interfaces
+The interfaces.txt file contains information about network interfaces, including:
+- Interface name
+- Interface index
+- MTU (Maximum Transmission Unit)
+- Flags
+- IP addresses associated with each interface
+
+The IP addresses in the interfaces file are anonymized using the same process as described above. Interface names, indexes, MTUs, and flags are not anonymized.
+
+Configuration
+The config.txt file contains anonymized configuration information of the NetBird client. Sensitive information such as private keys and SSH keys are excluded. The following fields are anonymized:
+- ManagementURL
+- AdminURL
+- NATExternalIPs
+- CustomDNSAddress
+
+Other non-sensitive configuration options are included without anonymization.
+`
+
 // DebugBundle creates a debug bundle and returns the location.
 func (s *Server) DebugBundle(_ context.Context, req *proto.DebugBundleRequest) (resp *proto.DebugBundleResponse, err error) {
 	s.mutex.Lock()
@@ -30,93 +86,211 @@ func (s *Server) DebugBundle(_ context.Context, req *proto.DebugBundleRequest) (
 		return nil, fmt.Errorf("create zip file: %w", err)
 	}
 	defer func() {
-		if err := bundlePath.Close(); err != nil {
-			log.Errorf("failed to close zip file: %v", err)
+		if closeErr := bundlePath.Close(); closeErr != nil && err == nil {
+			err = fmt.Errorf("close zip file: %w", closeErr)
 		}
 
 		if err != nil {
-			if err2 := os.Remove(bundlePath.Name()); err2 != nil {
-				log.Errorf("Failed to remove zip file: %v", err2)
+			if removeErr := os.Remove(bundlePath.Name()); removeErr != nil {
+				log.Errorf("Failed to remove zip file: %v", removeErr)
 			}
 		}
 	}()
 
-	archive := zip.NewWriter(bundlePath)
-	defer func() {
-		if err := archive.Close(); err != nil {
-			log.Errorf("failed to close archive writer: %v", err)
-		}
-	}()
-
-	if status := req.GetStatus(); status != "" {
-		filename := "status.txt"
-		if req.GetAnonymize() {
-			filename = "status.anon.txt"
-		}
-		statusReader := strings.NewReader(status)
-		if err := addFileToZip(archive, statusReader, filename); err != nil {
-			return nil, fmt.Errorf("add status file to zip: %w", err)
-		}
-	}
-
-	logFile, err := os.Open(s.logFile)
-	if err != nil {
-		return nil, fmt.Errorf("open log file: %w", err)
-	}
-	defer func() {
-		if err := logFile.Close(); err != nil {
-			log.Errorf("failed to close original log file: %v", err)
-		}
-	}()
-
-	filename := "client.log.txt"
-	var logReader io.Reader
-	errChan := make(chan error, 1)
-	if req.GetAnonymize() {
-		filename = "client.anon.log.txt"
-		var writer io.WriteCloser
-		logReader, writer = io.Pipe()
-
-		go s.anonymize(logFile, writer, errChan)
-	} else {
-		logReader = logFile
-	}
-	if err := addFileToZip(archive, logReader, filename); err != nil {
-		return nil, fmt.Errorf("add log file to zip: %w", err)
-	}
-
-	select {
-	case err := <-errChan:
-		if err != nil {
-			return nil, err
-		}
-	default:
+	if err := s.createArchive(bundlePath, req); err != nil {
+		return nil, err
 	}
 
 	return &proto.DebugBundleResponse{Path: bundlePath.Name()}, nil
 }
 
-func (s *Server) anonymize(reader io.Reader, writer io.WriteCloser, errChan chan<- error) {
-	scanner := bufio.NewScanner(reader)
-	anonymizer := anonymize.NewAnonymizer(anonymize.DefaultAddresses())
+func (s *Server) createArchive(bundlePath *os.File, req *proto.DebugBundleRequest) error {
+	archive := zip.NewWriter(bundlePath)
+	if err := s.addReadme(req, archive); err != nil {
+		return fmt.Errorf("add readme: %w", err)
+	}
 
+	if err := s.addStatus(req, archive); err != nil {
+		return fmt.Errorf("add status: %w", err)
+	}
+
+	anonymizer := anonymize.NewAnonymizer(anonymize.DefaultAddresses())
 	status := s.statusRecorder.GetFullStatus()
 	seedFromStatus(anonymizer, &status)
 
+	if err := s.addConfig(req, anonymizer, archive); err != nil {
+		return fmt.Errorf("add config: %w", err)
+	}
+
+	if req.GetSystemInfo() {
+		if err := s.addRoutes(req, anonymizer, archive); err != nil {
+			return fmt.Errorf("add routes: %w", err)
+		}
+
+		if err := s.addInterfaces(req, anonymizer, archive); err != nil {
+			return fmt.Errorf("add interfaces: %w", err)
+		}
+	}
+
+	if err := s.addLogfile(req, anonymizer, archive); err != nil {
+		return fmt.Errorf("add log file: %w", err)
+	}
+
+	if err := archive.Close(); err != nil {
+		return fmt.Errorf("close archive writer: %w", err)
+	}
+	return nil
+}
+
+func (s *Server) addReadme(req *proto.DebugBundleRequest, archive *zip.Writer) error {
+	if req.GetAnonymize() {
+		readmeReader := strings.NewReader(readmeContent)
+		if err := addFileToZip(archive, readmeReader, "README.txt"); err != nil {
+			return fmt.Errorf("add README file to zip: %w", err)
+		}
+	}
+	return nil
+}
+
+func (s *Server) addStatus(req *proto.DebugBundleRequest, archive *zip.Writer) error {
+	if status := req.GetStatus(); status != "" {
+		statusReader := strings.NewReader(status)
+		if err := addFileToZip(archive, statusReader, "status.txt"); err != nil {
+			return fmt.Errorf("add status file to zip: %w", err)
+		}
+	}
+	return nil
+}
+
+func (s *Server) addConfig(req *proto.DebugBundleRequest, anonymizer *anonymize.Anonymizer, archive *zip.Writer) error {
+	var configContent strings.Builder
+	s.addCommonConfigFields(&configContent)
+
+	if req.GetAnonymize() {
+		if s.config.ManagementURL != nil {
+			configContent.WriteString(fmt.Sprintf("ManagementURL: %s\n", anonymizer.AnonymizeURI(s.config.ManagementURL.String())))
+		}
+		if s.config.AdminURL != nil {
+			configContent.WriteString(fmt.Sprintf("AdminURL: %s\n", anonymizer.AnonymizeURI(s.config.AdminURL.String())))
+		}
+		configContent.WriteString(fmt.Sprintf("NATExternalIPs: %v\n", anonymizeNATExternalIPs(s.config.NATExternalIPs, anonymizer)))
+		if s.config.CustomDNSAddress != "" {
+			configContent.WriteString(fmt.Sprintf("CustomDNSAddress: %s\n", anonymizer.AnonymizeString(s.config.CustomDNSAddress)))
+		}
+	} else {
+		if s.config.ManagementURL != nil {
+			configContent.WriteString(fmt.Sprintf("ManagementURL: %s\n", s.config.ManagementURL.String()))
+		}
+		if s.config.AdminURL != nil {
+			configContent.WriteString(fmt.Sprintf("AdminURL: %s\n", s.config.AdminURL.String()))
+		}
+		configContent.WriteString(fmt.Sprintf("NATExternalIPs: %v\n", s.config.NATExternalIPs))
+		if s.config.CustomDNSAddress != "" {
+			configContent.WriteString(fmt.Sprintf("CustomDNSAddress: %s\n", s.config.CustomDNSAddress))
+		}
+	}
+
+	// Add config content to zip file
+	configReader := strings.NewReader(configContent.String())
+	if err := addFileToZip(archive, configReader, "config.txt"); err != nil {
+		return fmt.Errorf("add config file to zip: %w", err)
+	}
+
+	return nil
+}
+
+func (s *Server) addCommonConfigFields(configContent *strings.Builder) {
+	configContent.WriteString("NetBird Client Configuration:\n\n")
+
+	// Add non-sensitive fields
+	configContent.WriteString(fmt.Sprintf("WgIface: %s\n", s.config.WgIface))
+	configContent.WriteString(fmt.Sprintf("WgPort: %d\n", s.config.WgPort))
+	if s.config.NetworkMonitor != nil {
+		configContent.WriteString(fmt.Sprintf("NetworkMonitor: %v\n", *s.config.NetworkMonitor))
+	}
+	configContent.WriteString(fmt.Sprintf("IFaceBlackList: %v\n", s.config.IFaceBlackList))
+	configContent.WriteString(fmt.Sprintf("DisableIPv6Discovery: %v\n", s.config.DisableIPv6Discovery))
+	configContent.WriteString(fmt.Sprintf("RosenpassEnabled: %v\n", s.config.RosenpassEnabled))
+	configContent.WriteString(fmt.Sprintf("RosenpassPermissive: %v\n", s.config.RosenpassPermissive))
+	if s.config.ServerSSHAllowed != nil {
+		configContent.WriteString(fmt.Sprintf("ServerSSHAllowed: %v\n", *s.config.ServerSSHAllowed))
+	}
+	configContent.WriteString(fmt.Sprintf("DisableAutoConnect: %v\n", s.config.DisableAutoConnect))
+	configContent.WriteString(fmt.Sprintf("DNSRouteInterval: %s\n", s.config.DNSRouteInterval))
+}
+
+func (s *Server) addRoutes(req *proto.DebugBundleRequest, anonymizer *anonymize.Anonymizer, archive *zip.Writer) error {
+	if routes, err := systemops.GetRoutesFromTable(); err != nil {
+		log.Errorf("Failed to get routes: %v", err)
+	} else {
+		// TODO: get routes including nexthop
+		routesContent := formatRoutes(routes, req.GetAnonymize(), anonymizer)
+		routesReader := strings.NewReader(routesContent)
+		if err := addFileToZip(archive, routesReader, "routes.txt"); err != nil {
+			return fmt.Errorf("add routes file to zip: %w", err)
+		}
+	}
+	return nil
+}
+
+func (s *Server) addInterfaces(req *proto.DebugBundleRequest, anonymizer *anonymize.Anonymizer, archive *zip.Writer) error {
+	interfaces, err := net.Interfaces()
+	if err != nil {
+		return fmt.Errorf("get interfaces: %w", err)
+	}
+
+	interfacesContent := formatInterfaces(interfaces, req.GetAnonymize(), anonymizer)
+	interfacesReader := strings.NewReader(interfacesContent)
+	if err := addFileToZip(archive, interfacesReader, "interfaces.txt"); err != nil {
+		return fmt.Errorf("add interfaces file to zip: %w", err)
+	}
+
+	return nil
+}
+
+func (s *Server) addLogfile(req *proto.DebugBundleRequest, anonymizer *anonymize.Anonymizer, archive *zip.Writer) (err error) {
+	logFile, err := os.Open(s.logFile)
+	if err != nil {
+		return fmt.Errorf("open log file: %w", err)
+	}
 	defer func() {
-		if err := writer.Close(); err != nil {
-			log.Errorf("Failed to close writer: %v", err)
+		if err := logFile.Close(); err != nil {
+			log.Errorf("Failed to close original log file: %v", err)
 		}
 	}()
+
+	var logReader io.Reader
+	if req.GetAnonymize() {
+		var writer *io.PipeWriter
+		logReader, writer = io.Pipe()
+
+		go s.anonymize(logFile, writer, anonymizer)
+	} else {
+		logReader = logFile
+	}
+	if err := addFileToZip(archive, logReader, "client.log"); err != nil {
+		return fmt.Errorf("add log file to zip: %w", err)
+	}
+
+	return nil
+}
+
+func (s *Server) anonymize(reader io.Reader, writer *io.PipeWriter, anonymizer *anonymize.Anonymizer) {
+	defer func() {
+		// always nil
+		_ = writer.Close()
+	}()
+
+	scanner := bufio.NewScanner(reader)
 	for scanner.Scan() {
 		line := anonymizer.AnonymizeString(scanner.Text())
 		if _, err := writer.Write([]byte(line + "\n")); err != nil {
-			errChan <- fmt.Errorf("write line to writer: %w", err)
+			writer.CloseWithError(fmt.Errorf("anonymize write: %w", err))
 			return
 		}
 	}
 	if err := scanner.Err(); err != nil {
-		errChan <- fmt.Errorf("read line from scanner: %w", err)
+		writer.CloseWithError(fmt.Errorf("anonymize scan: %w", err))
 		return
 	}
 }
@@ -141,8 +315,22 @@ func (s *Server) SetLogLevel(_ context.Context, req *proto.SetLogLevelRequest) (
 
 func addFileToZip(archive *zip.Writer, reader io.Reader, filename string) error {
 	header := &zip.FileHeader{
-		Name:   filename,
-		Method: zip.Deflate,
+		Name:     filename,
+		Method:   zip.Deflate,
+		Modified: time.Now(),
+
+		CreatorVersion: 20,    // Version 2.0
+		ReaderVersion:  20,    // Version 2.0
+		Flags:          0x800, // UTF-8 filename
+	}
+
+	// If the reader is a file, we can get more accurate information
+	if f, ok := reader.(*os.File); ok {
+		if stat, err := f.Stat(); err != nil {
+			log.Tracef("Failed to get file stat for %s: %v", filename, err)
+		} else {
+			header.Modified = stat.ModTime()
+		}
 	}
 
 	writer, err := archive.CreateHeader(header)
@@ -165,6 +353,13 @@ func seedFromStatus(a *anonymize.Anonymizer, status *peer.FullStatus) {
 
 	for _, peer := range status.Peers {
 		a.AnonymizeDomain(peer.FQDN)
+		for route := range peer.GetRoutes() {
+			a.AnonymizeRoute(route)
+		}
+	}
+
+	for route := range status.LocalPeerState.Routes {
+		a.AnonymizeRoute(route)
 	}
 
 	for _, nsGroup := range status.NSGroupStates {
@@ -174,8 +369,118 @@ func seedFromStatus(a *anonymize.Anonymizer, status *peer.FullStatus) {
 	}
 
 	for _, relay := range status.Relays {
-		if relay.URI != nil {
-			a.AnonymizeURI(relay.URI.String())
+		if relay.URI != "" {
+			a.AnonymizeURI(relay.URI)
 		}
 	}
 }
+
+func formatRoutes(routes []netip.Prefix, anonymize bool, anonymizer *anonymize.Anonymizer) string {
+	var ipv4Routes, ipv6Routes []netip.Prefix
+
+	// Separate IPv4 and IPv6 routes
+	for _, route := range routes {
+		if route.Addr().Is4() {
+			ipv4Routes = append(ipv4Routes, route)
+		} else {
+			ipv6Routes = append(ipv6Routes, route)
+		}
+	}
+
+	// Sort IPv4 and IPv6 routes separately
+	sort.Slice(ipv4Routes, func(i, j int) bool {
+		return ipv4Routes[i].Bits() > ipv4Routes[j].Bits()
+	})
+	sort.Slice(ipv6Routes, func(i, j int) bool {
+		return ipv6Routes[i].Bits() > ipv6Routes[j].Bits()
+	})
+
+	var builder strings.Builder
+
+	// Format IPv4 routes
+	builder.WriteString("IPv4 Routes:\n")
+	for _, route := range ipv4Routes {
+		formatRoute(&builder, route, anonymize, anonymizer)
+	}
+
+	// Format IPv6 routes
+	builder.WriteString("\nIPv6 Routes:\n")
+	for _, route := range ipv6Routes {
+		formatRoute(&builder, route, anonymize, anonymizer)
+	}
+
+	return builder.String()
+}
+
+func formatRoute(builder *strings.Builder, route netip.Prefix, anonymize bool, anonymizer *anonymize.Anonymizer) {
+	if anonymize {
+		anonymizedIP := anonymizer.AnonymizeIP(route.Addr())
+		builder.WriteString(fmt.Sprintf("%s/%d\n", anonymizedIP, route.Bits()))
+	} else {
+		builder.WriteString(fmt.Sprintf("%s\n", route))
+	}
+}
+
+func formatInterfaces(interfaces []net.Interface, anonymize bool, anonymizer *anonymize.Anonymizer) string {
+	sort.Slice(interfaces, func(i, j int) bool {
+		return interfaces[i].Name < interfaces[j].Name
+	})
+
+	var builder strings.Builder
+	builder.WriteString("Network Interfaces:\n")
+
+	for _, iface := range interfaces {
+		builder.WriteString(fmt.Sprintf("\nInterface: %s\n", iface.Name))
+		builder.WriteString(fmt.Sprintf("  Index: %d\n", iface.Index))
+		builder.WriteString(fmt.Sprintf("  MTU: %d\n", iface.MTU))
+		builder.WriteString(fmt.Sprintf("  Flags: %v\n", iface.Flags))
+
+		addrs, err := iface.Addrs()
+		if err != nil {
+			builder.WriteString(fmt.Sprintf("  Addresses: Error retrieving addresses: %v\n", err))
+		} else {
+			builder.WriteString("  Addresses:\n")
+			for _, addr := range addrs {
+				prefix, err := netip.ParsePrefix(addr.String())
+				if err != nil {
+					builder.WriteString(fmt.Sprintf("    Error parsing address: %v\n", err))
+					continue
+				}
+				ip := prefix.Addr()
+				if anonymize {
+					ip = anonymizer.AnonymizeIP(ip)
+				}
+				builder.WriteString(fmt.Sprintf("    %s/%d\n", ip, prefix.Bits()))
+			}
+		}
+	}
+
+	return builder.String()
+}
+
+func anonymizeNATExternalIPs(ips []string, anonymizer *anonymize.Anonymizer) []string {
+	anonymizedIPs := make([]string, len(ips))
+	for i, ip := range ips {
+		parts := strings.SplitN(ip, "/", 2)
+
+		ip1, err := netip.ParseAddr(parts[0])
+		if err != nil {
+			anonymizedIPs[i] = ip
+			continue
+		}
+		ip1anon := anonymizer.AnonymizeIP(ip1)
+
+		if len(parts) == 2 {
+			ip2, err := netip.ParseAddr(parts[1])
+			if err != nil {
+				anonymizedIPs[i] = fmt.Sprintf("%s/%s", ip1anon, parts[1])
+			} else {
+				ip2anon := anonymizer.AnonymizeIP(ip2)
+				anonymizedIPs[i] = fmt.Sprintf("%s/%s", ip1anon, ip2anon)
+			}
+		} else {
+			anonymizedIPs[i] = ip1anon.String()
+		}
+	}
+	return anonymizedIPs
+}

client/server/server.go

@@ -12,7 +12,6 @@ import (
 
 	"github.com/cenkalti/backoff/v4"
 	"golang.org/x/exp/maps"
-
 	"google.golang.org/protobuf/types/known/durationpb"
 
 	log "github.com/sirupsen/logrus"
@@ -143,10 +142,12 @@ func (s *Server) Start() error {
 		s.sessionWatcher.SetOnExpireListener(s.onSessionExpire)
 	}
 
-	if !config.DisableAutoConnect {
-		go s.connectWithRetryRuns(ctx, config, s.statusRecorder, s.mgmProbe, s.signalProbe, s.relayProbe, s.wgProbe)
+	if config.DisableAutoConnect {
+		return nil
 	}
 
+	go s.connectWithRetryRuns(ctx, config, s.statusRecorder, nil)
+
 	return nil
 }
 
@@ -154,7 +155,7 @@ func (s *Server) Start() error {
 // mechanism to keep the client connected even when the connection is lost.
 // we cancel retry if the client receive a stop or down command, or if disable auto connect is configured.
 func (s *Server) connectWithRetryRuns(ctx context.Context, config *internal.Config, statusRecorder *peer.Status,
-	mgmProbe *internal.Probe, signalProbe *internal.Probe, relayProbe *internal.Probe, wgProbe *internal.Probe,
+	runningChan chan error,
 ) {
 	backOff := getConnectWithBackoff(ctx)
 	retryStarted := false
@@ -185,7 +186,15 @@ func (s *Server) connectWithRetryRuns(ctx context.Context, config *internal.Conf
 	runOperation := func() error {
 		log.Tracef("running client connection")
 		s.connectClient = internal.NewConnectClient(ctx, config, statusRecorder)
-		err := s.connectClient.RunWithProbes(mgmProbe, signalProbe, relayProbe, wgProbe)
+
+		probes := internal.ProbeHolder{
+			MgmProbe:    s.mgmProbe,
+			SignalProbe: s.signalProbe,
+			RelayProbe:  s.relayProbe,
+			WgProbe:     s.wgProbe,
+		}
+
+		err := s.connectClient.RunWithProbes(&probes, runningChan)
 		if err != nil {
 			log.Debugf("run client connection exited with error: %v. Will retry in the background", err)
 		}
@@ -576,9 +585,22 @@ func (s *Server) Up(callerCtx context.Context, _ *proto.UpRequest) (*proto.UpRes
 	s.statusRecorder.UpdateManagementAddress(s.config.ManagementURL.String())
 	s.statusRecorder.UpdateRosenpass(s.config.RosenpassEnabled, s.config.RosenpassPermissive)
 
-	go s.connectWithRetryRuns(ctx, s.config, s.statusRecorder, s.mgmProbe, s.signalProbe, s.relayProbe, s.wgProbe)
+	runningChan := make(chan error)
+	go s.connectWithRetryRuns(ctx, s.config, s.statusRecorder, runningChan)
 
-	return &proto.UpResponse{}, nil
+	for {
+		select {
+		case err := <-runningChan:
+			if err != nil {
+				log.Debugf("waiting for engine to become ready failed: %s", err)
+			} else {
+				return &proto.UpResponse{}, nil
+			}
+		case <-callerCtx.Done():
+			log.Debug("context done, stopping the wait for engine to become ready")
+			return nil, callerCtx.Err()
+		}
+	}
 }
 
 // Down engine work in the daemon.
@@ -590,28 +612,19 @@ func (s *Server) Down(ctx context.Context, _ *proto.DownRequest) (*proto.DownRes
 		return nil, fmt.Errorf("service is not up")
 	}
 	s.actCancel()
+
+	err := s.connectClient.Stop()
+	if err != nil {
+		log.Errorf("failed to shut down properly: %v", err)
+		return nil, err
+	}
+
 	state := internal.CtxGetState(s.rootCtx)
 	state.Set(internal.StatusIdle)
 
-	maxWaitTime := 5 * time.Second
-	timeout := time.After(maxWaitTime)
+	log.Infof("service is down")
 
-	engine := s.connectClient.Engine()
-
-	for {
-		if !engine.IsWGIfaceUp() {
-			return &proto.DownResponse{}, nil
-		}
-
-		select {
-		case <-ctx.Done():
-			return &proto.DownResponse{}, nil
-		case <-timeout:
-			return nil, fmt.Errorf("failed to shut down properly")
-		default:
-			time.Sleep(100 * time.Millisecond)
-		}
-	}
+	return &proto.DownResponse{}, nil
 }
 
 // Status returns the daemon status
@@ -745,11 +758,11 @@ func toProtoFullStatus(fullStatus peer.FullStatus) *proto.FullStatus {
 			ConnStatus:                 peerState.ConnStatus.String(),
 			ConnStatusUpdate:           timestamppb.New(peerState.ConnStatusUpdate),
 			Relayed:                    peerState.Relayed,
-			Direct:                     peerState.Direct,
 			LocalIceCandidateType:      peerState.LocalIceCandidateType,
 			RemoteIceCandidateType:     peerState.RemoteIceCandidateType,
 			LocalIceCandidateEndpoint:  peerState.LocalIceCandidateEndpoint,
 			RemoteIceCandidateEndpoint: peerState.RemoteIceCandidateEndpoint,
+			RelayAddress:               peerState.RelayServerAddress,
 			Fqdn:                       peerState.FQDN,
 			LastWireguardHandshake:     timestamppb.New(peerState.LastWireguardHandshake),
 			BytesRx:                    peerState.BytesRx,
@@ -763,7 +776,7 @@ func toProtoFullStatus(fullStatus peer.FullStatus) *proto.FullStatus {
 
 	for _, relayState := range fullStatus.Relays {
 		pbRelayState := &proto.RelayState{
-			URI:       relayState.URI.String(),
+			URI:       relayState.URI,
 			Available: relayState.Err == nil,
 		}
 		if err := relayState.Err; err != nil {

client/server/server_test.go

@@ -6,10 +6,11 @@ import (
 	"testing"
 	"time"
 
-	"github.com/netbirdio/management-integrations/integrations"
 	"github.com/stretchr/testify/require"
 	"go.opentelemetry.io/otel"
 
+	"github.com/netbirdio/management-integrations/integrations"
+
 	log "github.com/sirupsen/logrus"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/keepalive"
@@ -19,6 +20,7 @@ import (
 	mgmtProto "github.com/netbirdio/netbird/management/proto"
 	"github.com/netbirdio/netbird/management/server"
 	"github.com/netbirdio/netbird/management/server/activity"
+	"github.com/netbirdio/netbird/management/server/telemetry"
 	"github.com/netbirdio/netbird/signal/proto"
 	signalServer "github.com/netbirdio/netbird/signal/server"
 )
@@ -72,7 +74,7 @@ func TestConnectWithRetryRuns(t *testing.T) {
 	t.Setenv(maxRetryTimeVar, "5s")
 	t.Setenv(retryMultiplierVar, "1")
 
-	s.connectWithRetryRuns(ctx, config, s.statusRecorder, s.mgmProbe, s.signalProbe, s.relayProbe, s.wgProbe)
+	s.connectWithRetryRuns(ctx, config, s.statusRecorder, nil)
 	if counter < 3 {
 		t.Fatalf("expected counter > 2, got %d", counter)
 	}
@@ -120,12 +122,17 @@ func startManagement(t *testing.T, signalAddr string, counter *int) (*grpc.Serve
 		return nil, "", err
 	}
 	ia, _ := integrations.NewIntegratedValidator(context.Background(), eventStore)
-	accountManager, err := server.BuildManager(context.Background(), store, peersUpdateManager, nil, "", "netbird.selfhosted", eventStore, nil, false, ia)
+
+	metrics, err := telemetry.NewDefaultAppMetrics(context.Background())
+	require.NoError(t, err)
+
+	accountManager, err := server.BuildManager(context.Background(), store, peersUpdateManager, nil, "", "netbird.selfhosted", eventStore, nil, false, ia, metrics)
 	if err != nil {
 		return nil, "", err
 	}
-	turnManager := server.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig)
-	mgmtServer, err := server.NewServer(context.Background(), config, accountManager, peersUpdateManager, turnManager, nil, nil)
+
+	secretsManager := server.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig, config.Relay)
+	mgmtServer, err := server.NewServer(context.Background(), config, accountManager, peersUpdateManager, secretsManager, nil, nil)
 	if err != nil {
 		return nil, "", err
 	}

client/ssh/server.go

@@ -118,9 +118,9 @@ func (srv *DefaultServer) publicKeyHandler(ctx ssh.Context, key ssh.PublicKey) b
 
 func prepareUserEnv(user *user.User, shell string) []string {
 	return []string{
-		fmt.Sprintf("SHELL=" + shell),
-		fmt.Sprintf("USER=" + user.Username),
-		fmt.Sprintf("HOME=" + user.HomeDir),
+		fmt.Sprint("SHELL=" + shell),
+		fmt.Sprint("USER=" + user.Username),
+		fmt.Sprint("HOME=" + user.HomeDir),
 	}
 }
 

client/system/info_darwin_test.go

@@ -1,11 +1,12 @@
 package system
 
 import (
-	log "github.com/sirupsen/logrus"
 	"testing"
+
+	log "github.com/sirupsen/logrus"
 )
 
-func Test_sysInfo(t *testing.T) {
+func Test_sysInfoMac(t *testing.T) {
 	t.Skip("skipping darwin test")
 	serialNum, prodName, manufacturer := sysInfo()
 	if serialNum == "" {

client/system/info_linux.go

@@ -21,6 +21,26 @@ import (
 	"github.com/netbirdio/netbird/version"
 )
 
+type SysInfoGetter interface {
+	GetSysInfo() SysInfo
+}
+
+type SysInfoWrapper struct {
+	si sysinfo.SysInfo
+}
+
+func (s SysInfoWrapper) GetSysInfo() SysInfo {
+	s.si.GetSysInfo()
+	return SysInfo{
+		ChassisSerial: s.si.Chassis.Serial,
+		ProductSerial: s.si.Product.Serial,
+		BoardSerial:   s.si.Board.Serial,
+		ProductName:   s.si.Product.Name,
+		BoardName:     s.si.Board.Name,
+		ProductVendor: s.si.Product.Vendor,
+	}
+}
+
 // GetInfo retrieves and parses the system information
 func GetInfo(ctx context.Context) *Info {
 	info := _getInfo()
@@ -45,7 +65,8 @@ func GetInfo(ctx context.Context) *Info {
 		log.Warnf("failed to discover network addresses: %s", err)
 	}
 
-	serialNum, prodName, manufacturer := sysInfo()
+	si := SysInfoWrapper{}
+	serialNum, prodName, manufacturer := sysInfo(si.GetSysInfo())
 
 	env := Environment{
 		Cloud:    detect_cloud.Detect(ctx),
@@ -87,20 +108,36 @@ func _getInfo() string {
 	return out.String()
 }
 
-func sysInfo() (serialNumber string, productName string, manufacturer string) {
-	var si sysinfo.SysInfo
-	si.GetSysInfo()
+func sysInfo(si SysInfo) (string, string, string) {
 	isascii := regexp.MustCompile("^[[:ascii:]]+$")
-	serial := si.Chassis.Serial
-	if (serial == "Default string" || serial == "") && si.Product.Serial != "" {
-		serial = si.Product.Serial
+
+	serials := []string{si.ChassisSerial, si.ProductSerial}
+	serial := ""
+
+	for _, s := range serials {
+		if isascii.MatchString(s) {
+			serial = s
+			if s != "Default string" {
+				break
+			}
+		}
 	}
-	if (!isascii.MatchString(serial)) && si.Board.Serial != "" {
-		serial = si.Board.Serial
+
+	if serial == "" && isascii.MatchString(si.BoardSerial) {
+		serial = si.BoardSerial
 	}
-	name := si.Product.Name
-	if (!isascii.MatchString(name)) && si.Board.Name != "" {
-		name = si.Board.Name
+
+	var name string
+	for _, n := range []string{si.ProductName, si.BoardName} {
+		if isascii.MatchString(n) {
+			name = n
+			break
+		}
 	}
-	return serial, name, si.Product.Vendor
+
+	var manufacturer string
+	if isascii.MatchString(si.ProductVendor) {
+		manufacturer = si.ProductVendor
+	}
+	return serial, name, manufacturer
 }

client/system/sysinfo_linux.go

@@ -0,0 +1,12 @@
+package system
+
+// SysInfo used to moc out the sysinfo getter
+type SysInfo struct {
+	ChassisSerial string
+	ProductSerial string
+	BoardSerial   string
+
+	ProductName   string
+	BoardName     string
+	ProductVendor string
+}

client/system/sysinfo_linux_test.go

@@ -0,0 +1,198 @@
+package system
+
+import "testing"
+
+func Test_sysInfo(t *testing.T) {
+	tests := []struct {
+		name             string
+		sysInfo          SysInfo
+		wantSerialNum    string
+		wantProdName     string
+		wantManufacturer string
+	}{
+		{
+			name: "Test Case 1",
+			sysInfo: SysInfo{
+				ChassisSerial: "Default string",
+				ProductSerial: "Default string",
+				BoardSerial:   "M80-G8013200245",
+				ProductName:   "B650M-HDV/M.2",
+				BoardName:     "B650M-HDV/M.2",
+				ProductVendor: "ASRock",
+			},
+			wantSerialNum:    "Default string",
+			wantProdName:     "B650M-HDV/M.2",
+			wantManufacturer: "ASRock",
+		},
+		{
+			name: "Empty Chassis Serial",
+			sysInfo: SysInfo{
+				ChassisSerial: "",
+				ProductSerial: "Default string",
+				BoardSerial:   "M80-G8013200245",
+				ProductName:   "B650M-HDV/M.2",
+				BoardName:     "B650M-HDV/M.2",
+				ProductVendor: "ASRock",
+			},
+			wantSerialNum:    "Default string",
+			wantProdName:     "B650M-HDV/M.2",
+			wantManufacturer: "ASRock",
+		},
+		{
+			name: "Empty Chassis Serial",
+			sysInfo: SysInfo{
+				ChassisSerial: "",
+				ProductSerial: "Default string",
+				BoardSerial:   "M80-G8013200245",
+				ProductName:   "B650M-HDV/M.2",
+				BoardName:     "B650M-HDV/M.2",
+				ProductVendor: "ASRock",
+			},
+			wantSerialNum:    "Default string",
+			wantProdName:     "B650M-HDV/M.2",
+			wantManufacturer: "ASRock",
+		},
+		{
+			name: "Fallback to Product Serial",
+			sysInfo: SysInfo{
+				ChassisSerial: "Default string",
+				ProductSerial: "Product serial",
+				BoardSerial:   "M80-G8013200245",
+				ProductName:   "B650M-HDV/M.2",
+				BoardName:     "B650M-HDV/M.2",
+				ProductVendor: "ASRock",
+			},
+			wantSerialNum:    "Product serial",
+			wantProdName:     "B650M-HDV/M.2",
+			wantManufacturer: "ASRock",
+		},
+		{
+			name: "Fallback to Product Serial with default string",
+			sysInfo: SysInfo{
+				ChassisSerial: "Default string",
+				ProductSerial: "Default string",
+				BoardSerial:   "M80-G8013200245",
+				ProductName:   "B650M-HDV/M.2",
+				BoardName:     "B650M-HDV/M.2",
+				ProductVendor: "ASRock",
+			},
+			wantSerialNum:    "Default string",
+			wantProdName:     "B650M-HDV/M.2",
+			wantManufacturer: "ASRock",
+		},
+		{
+			name: "Non UTF-8 in Chassis Serial",
+			sysInfo: SysInfo{
+				ChassisSerial: "\x80",
+				ProductSerial: "Product serial",
+				BoardSerial:   "M80-G8013200245",
+				ProductName:   "B650M-HDV/M.2",
+				BoardName:     "B650M-HDV/M.2",
+				ProductVendor: "ASRock",
+			},
+			wantSerialNum:    "Product serial",
+			wantProdName:     "B650M-HDV/M.2",
+			wantManufacturer: "ASRock",
+		},
+		{
+			name: "Non UTF-8 in Chassis Serial and Product Serial",
+			sysInfo: SysInfo{
+				ChassisSerial: "\x80",
+				ProductSerial: "\x80",
+				BoardSerial:   "M80-G8013200245",
+				ProductName:   "B650M-HDV/M.2",
+				BoardName:     "B650M-HDV/M.2",
+				ProductVendor: "ASRock",
+			},
+			wantSerialNum:    "M80-G8013200245",
+			wantProdName:     "B650M-HDV/M.2",
+			wantManufacturer: "ASRock",
+		},
+		{
+			name: "Non UTF-8 in Chassis Serial and Product Serial and BoardSerial",
+			sysInfo: SysInfo{
+				ChassisSerial: "\x80",
+				ProductSerial: "\x80",
+				BoardSerial:   "\x80",
+				ProductName:   "B650M-HDV/M.2",
+				BoardName:     "B650M-HDV/M.2",
+				ProductVendor: "ASRock",
+			},
+			wantSerialNum:    "",
+			wantProdName:     "B650M-HDV/M.2",
+			wantManufacturer: "ASRock",
+		},
+
+		{
+			name: "Empty Product Name",
+			sysInfo: SysInfo{
+				ChassisSerial: "Default string",
+				ProductSerial: "Default string",
+				BoardSerial:   "M80-G8013200245",
+				ProductName:   "",
+				BoardName:     "boardname",
+				ProductVendor: "ASRock",
+			},
+			wantSerialNum:    "Default string",
+			wantProdName:     "boardname",
+			wantManufacturer: "ASRock",
+		},
+		{
+			name: "Invalid Product Name",
+			sysInfo: SysInfo{
+				ChassisSerial: "Default string",
+				ProductSerial: "Default string",
+				BoardSerial:   "M80-G8013200245",
+				ProductName:   "\x80",
+				BoardName:     "boardname",
+				ProductVendor: "ASRock",
+			},
+			wantSerialNum:    "Default string",
+			wantProdName:     "boardname",
+			wantManufacturer: "ASRock",
+		},
+		{
+			name: "Invalid BoardName Name",
+			sysInfo: SysInfo{
+				ChassisSerial: "Default string",
+				ProductSerial: "Default string",
+				BoardSerial:   "M80-G8013200245",
+				ProductName:   "\x80",
+				BoardName:     "\x80",
+				ProductVendor: "ASRock",
+			},
+			wantSerialNum:    "Default string",
+			wantProdName:     "",
+			wantManufacturer: "ASRock",
+		},
+		{
+			name: "Invalid chars",
+			sysInfo: SysInfo{
+				ChassisSerial: "\x80",
+				ProductSerial: "\x80",
+				BoardSerial:   "\x80",
+				ProductName:   "\x80",
+				BoardName:     "\x80",
+				ProductVendor: "\x80",
+			},
+			wantSerialNum:    "",
+			wantProdName:     "",
+			wantManufacturer: "",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			gotSerialNum, gotProdName, gotManufacturer := sysInfo(tt.sysInfo)
+			if gotSerialNum != tt.wantSerialNum {
+				t.Errorf("sysInfo() gotSerialNum = %v, want %v", gotSerialNum, tt.wantSerialNum)
+			}
+			if gotProdName != tt.wantProdName {
+				t.Errorf("sysInfo() gotProdName = %v, want %v", gotProdName, tt.wantProdName)
+			}
+			if gotManufacturer != tt.wantManufacturer {
+				t.Errorf("sysInfo() gotManufacturer = %v, want %v", gotManufacturer, tt.wantManufacturer)
+			}
+		})
+	}
+}

client/testdata/management.json

@@ -20,6 +20,13 @@
     "Secret": "c29tZV9wYXNzd29yZA==",
     "TimeBasedCredentials": true
   },
+  "Relay": {
+    "Addresses": [
+      "localhost:0"
+    ],
+    "CredentialsTTL": "1h",
+    "Secret": "b29tZV9wYXNzd29yZA=="
+  },
   "Signal": {
     "Proto": "http",
     "URI": "signal.wiretrustee.com:10000",
@@ -34,4 +41,4 @@
     "AuthAudience": "<PASTE YOUR AUTH0 AUDIENCE HERE>",
     "AuthKeysLocation": "<PASTE YOUR AUTH0 PUBLIC JWT KEYS LOCATION HERE>"
   }
-}
+}

client/ui/client_ui.go

@@ -22,8 +22,8 @@ import (
 	"fyne.io/fyne/v2/app"
 	"fyne.io/fyne/v2/dialog"
 	"fyne.io/fyne/v2/widget"
+	"fyne.io/systray"
 	"github.com/cenkalti/backoff/v4"
-	"github.com/getlantern/systray"
 	log "github.com/sirupsen/logrus"
 	"github.com/skratchdot/open-golang/open"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"

client/ui/font_bsd.go

@@ -1,4 +1,4 @@
-//go:build darwin || dragonfly || freebsd || netbsd || openbsd
+//go:build darwin
 
 package main
 

encryption/cert.go

@@ -0,0 +1,19 @@
+package encryption
+
+import "crypto/tls"
+
+func LoadTLSConfig(certFile, keyFile string) (*tls.Config, error) {
+	serverCert, err := tls.LoadX509KeyPair(certFile, keyFile)
+	if err != nil {
+		return nil, err
+	}
+
+	config := &tls.Config{
+		Certificates: []tls.Certificate{serverCert},
+		ClientAuth:   tls.NoClientCert,
+		NextProtos: []string{
+			"h2", "http/1.1", // enable HTTP/2
+		},
+	}
+	return config, nil
+}

encryption/letsencrypt.go

@@ -9,7 +9,7 @@ import (
 )
 
 // CreateCertManager wraps common logic of generating Let's encrypt certificate.
-func CreateCertManager(datadir string, letsencryptDomain string) (*autocert.Manager, error) {
+func CreateCertManager(datadir string, letsencryptDomain ...string) (*autocert.Manager, error) {
 	certDir := filepath.Join(datadir, "letsencrypt")
 
 	if _, err := os.Stat(certDir); os.IsNotExist(err) {
@@ -24,7 +24,7 @@ func CreateCertManager(datadir string, letsencryptDomain string) (*autocert.Mana
 	certManager := &autocert.Manager{
 		Prompt:     autocert.AcceptTOS,
 		Cache:      autocert.DirCache(certDir),
-		HostPolicy: autocert.HostWhitelist(letsencryptDomain),
+		HostPolicy: autocert.HostWhitelist(letsencryptDomain...),
 	}
 
 	return certManager, nil

encryption/message.go

@@ -10,7 +10,7 @@ import (
 func EncryptMessage(remotePubKey wgtypes.Key, ourPrivateKey wgtypes.Key, message pb.Message) ([]byte, error) {
 	byteResp, err := pb.Marshal(message)
 	if err != nil {
-		log.Errorf("failed marshalling message %v", err)
+		log.Errorf("failed marshalling message %v, %+v", err, message.String())
 		return nil, err
 	}
 

encryption/route53.go

@@ -0,0 +1,87 @@
+package encryption
+
+import (
+	"context"
+	"crypto/tls"
+	"fmt"
+	"os"
+	"strings"
+
+	"github.com/caddyserver/certmagic"
+	"github.com/libdns/route53"
+	log "github.com/sirupsen/logrus"
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+	"golang.org/x/crypto/acme"
+)
+
+// Route53TLS by default, loads the AWS configuration from the environment.
+// env variables: AWS_REGION, AWS_PROFILE, AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, AWS_SESSION_TOKEN
+type Route53TLS struct {
+	DataDir string
+	Email   string
+	Domains []string
+	CA      string
+}
+
+func (r *Route53TLS) GetCertificate() (*tls.Config, error) {
+	if len(r.Domains) == 0 {
+		return nil, fmt.Errorf("no domains provided")
+	}
+
+	certmagic.Default.Logger = logger()
+	certmagic.Default.Storage = &certmagic.FileStorage{Path: r.DataDir}
+	certmagic.DefaultACME.Agreed = true
+	if r.Email != "" {
+		certmagic.DefaultACME.Email = r.Email
+	} else {
+		certmagic.DefaultACME.Email = emailFromDomain(r.Domains[0])
+	}
+
+	if r.CA == "" {
+		certmagic.DefaultACME.CA = certmagic.LetsEncryptProductionCA
+	} else {
+		certmagic.DefaultACME.CA = r.CA
+	}
+
+	certmagic.DefaultACME.DNS01Solver = &certmagic.DNS01Solver{
+		DNSManager: certmagic.DNSManager{
+			DNSProvider: &route53.Provider{},
+		},
+	}
+	cm := certmagic.NewDefault()
+	if err := cm.ManageSync(context.Background(), r.Domains); err != nil {
+		log.Errorf("failed to manage certificate: %v", err)
+		return nil, err
+	}
+
+	tlsConfig := &tls.Config{
+		GetCertificate: cm.GetCertificate,
+		NextProtos:     []string{"h2", "http/1.1", acme.ALPNProto},
+	}
+
+	return tlsConfig, nil
+}
+
+func emailFromDomain(domain string) string {
+	if domain == "" {
+		return ""
+	}
+
+	parts := strings.Split(domain, ".")
+	if len(parts) < 2 {
+		return ""
+	}
+	if parts[0] == "" {
+		return ""
+	}
+	return fmt.Sprintf("admin@%s.%s", parts[len(parts)-2], parts[len(parts)-1])
+}
+
+func logger() *zap.Logger {
+	return zap.New(zapcore.NewCore(
+		zapcore.NewConsoleEncoder(zap.NewProductionEncoderConfig()),
+		os.Stderr,
+		zap.ErrorLevel,
+	))
+}