Adding --external-ip-map and --dns-resolver-address and shorthand flags (#652)

Adding --external-ip-map and --dns-resolver-address to up command and shorthand option to global flags. Refactor get and read config functions with new ConfigInput type. updated cobra package to latest release.
2026-04-16 07:16:38 +00:00 · 2023-01-17 19:16:50 +01:00
parent 12ae2e93fc
commit dcf6533ed5
21 changed files with 613 additions and 558 deletions
--- a/client/Dockerfile
+++ b/client/Dockerfile
@@ -1,5 +1,5 @@
 FROM gcr.io/distroless/base:debug
-ENV WT_LOG_FILE=console
+ENV NB_FOREGROUND_MODE=true
 ENV PATH=/sbin:/usr/sbin:/bin:/usr/bin:/busybox
 SHELL ["/busybox/sh","-c"]
 RUN sed -i -E 's/(^root:.+)\/sbin\/nologin/\1\/busybox\/sh/g' /etc/passwd
--- a/client/cmd/down.go
+++ b/client/cmd/down.go
@@ -15,7 +15,7 @@ var downCmd = &cobra.Command{
 	Use:   "down",
 	Short: "down netbird connections",
 	RunE: func(cmd *cobra.Command, args []string) error {
-		SetFlagsFromEnvVars()
+		SetFlagsFromEnvVars(rootCmd)

 		cmd.SetOut(cmd.OutOrStdout())

--- a/client/cmd/login.go
+++ b/client/cmd/login.go
@@ -20,7 +20,7 @@ var loginCmd = &cobra.Command{
 	Use:   "login",
 	Short: "login to the Netbird Management Service (first run)",
 	RunE: func(cmd *cobra.Command, args []string) error {
-		SetFlagsFromEnvVars()
+		SetFlagsFromEnvVars(rootCmd)

 		cmd.SetOut(cmd.OutOrStdout())

--- a/client/cmd/root.go
+++ b/client/cmd/root.go
@@ -24,6 +24,11 @@ import (
 	"github.com/netbirdio/netbird/client/internal"
 )

+const (
+	externalIPMapFlag  = "external-ip-map"
+	dnsResolverAddress = "dns-resolver-address"
+)
+
 var (
 	configPath              string
 	defaultConfigPathDir    string
@@ -41,6 +46,8 @@ var (
 	adminURL                string
 	setupKey                string
 	preSharedKey            string
+	natExternalIPs          []string
+	customDNSAddress        string
 	rootCmd                 = &cobra.Command{
 		Use:          "netbird",
 		Short:        "",
@@ -80,13 +87,13 @@ func init() {
 		defaultDaemonAddr = "tcp://127.0.0.1:41731"
 	}
 	rootCmd.PersistentFlags().StringVar(&daemonAddr, "daemon-addr", defaultDaemonAddr, "Daemon service address to serve CLI requests [unix|tcp]://[path|host:port]")
-	rootCmd.PersistentFlags().StringVar(&managementURL, "management-url", "", fmt.Sprintf("Management Service URL [http|https]://[host]:[port] (default \"%s\")", internal.ManagementURLDefault().String()))
+	rootCmd.PersistentFlags().StringVarP(&managementURL, "management-url", "m", "", fmt.Sprintf("Management Service URL [http|https]://[host]:[port] (default \"%s\")", internal.ManagementURLDefault().String()))
 	rootCmd.PersistentFlags().StringVar(&adminURL, "admin-url", "https://app.netbird.io", "Admin Panel URL [http|https]://[host]:[port]")
-	rootCmd.PersistentFlags().StringVar(&configPath, "config", defaultConfigPath, "Netbird config file location")
-	rootCmd.PersistentFlags().StringVar(&logLevel, "log-level", "info", "sets Netbird log level")
+	rootCmd.PersistentFlags().StringVarP(&configPath, "config", "c", defaultConfigPath, "Netbird config file location")
+	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 the log will be output to stdout")
-	rootCmd.PersistentFlags().StringVar(&setupKey, "setup-key", "", "Setup key obtained from the Management Service Dashboard (used to register peer)")
-	rootCmd.PersistentFlags().StringVar(&preSharedKey, "preshared-key", "", "Sets Wireguard PreSharedKey property. If set, then only peers that have the same key can communicate.")
+	rootCmd.PersistentFlags().StringVarP(&setupKey, "setup-key", "k", "", "Setup key obtained from the Management Service Dashboard (used to register peer)")
+	rootCmd.PersistentFlags().StringVarP(&preSharedKey, "preshared-key", "p", "", "Sets Wireguard PreSharedKey property. If set, then only peers that have the same key can communicate.")
 	rootCmd.AddCommand(serviceCmd)
 	rootCmd.AddCommand(upCmd)
 	rootCmd.AddCommand(downCmd)
@@ -96,6 +103,19 @@ func init() {
 	rootCmd.AddCommand(sshCmd)
 	serviceCmd.AddCommand(runCmd, startCmd, stopCmd, restartCmd) // service control commands are subcommands of service
 	serviceCmd.AddCommand(installCmd, uninstallCmd)              // service installer commands are subcommands of service
+	upCmd.PersistentFlags().StringSliceVar(&natExternalIPs, externalIPMapFlag, nil,
+		`Sets external IPs maps between local addresses and interfaces.`+
+			`You can specify a comma-separated list with a single IP and IP/IP or IP/Interface Name. `+
+			`An empty string "" clears the previous configuration. `+
+			`E.g. --external-ip-map 12.34.56.78/10.0.0.1 or --external-ip-map 12.34.56.200,12.34.56.78/10.0.0.1,12.34.56.80/eth1 `+
+			`or --external-ip-map ""`,
+	)
+	upCmd.PersistentFlags().StringVar(&customDNSAddress, dnsResolverAddress, "",
+		`Sets a custom address for NetBird's local DNS resolver. `+
+			`If set, the agent won't attempt to discover the best ip and port to listen on. `+
+			`An empty string "" clears the previous configuration. `+
+			`E.g. --dns-resolver-address 127.0.0.1:5053 or --dns-resolver-address ""`,
+	)
 }

 // SetupCloseHandler handles SIGTERM signal and exits with success
@@ -115,8 +135,8 @@ func SetupCloseHandler(ctx context.Context, cancel context.CancelFunc) {
 }

 // SetFlagsFromEnvVars reads and updates flag values from environment variables with prefix WT_
-func SetFlagsFromEnvVars() {
-	flags := rootCmd.PersistentFlags()
+func SetFlagsFromEnvVars(cmd *cobra.Command) {
+	flags := cmd.PersistentFlags()
 	flags.VisitAll(func(f *pflag.Flag) {
 		oldEnvVar := FlagNameToEnvVar(f.Name, "WT_")

--- a/client/cmd/service_controller.go
+++ b/client/cmd/service_controller.go
@@ -84,7 +84,7 @@ var runCmd = &cobra.Command{
 	Use:   "run",
 	Short: "runs Netbird as service",
 	RunE: func(cmd *cobra.Command, args []string) error {
-		SetFlagsFromEnvVars()
+		SetFlagsFromEnvVars(rootCmd)

 		cmd.SetOut(cmd.OutOrStdout())

@@ -118,7 +118,7 @@ var startCmd = &cobra.Command{
 	Use:   "start",
 	Short: "starts Netbird service",
 	RunE: func(cmd *cobra.Command, args []string) error {
-		SetFlagsFromEnvVars()
+		SetFlagsFromEnvVars(rootCmd)

 		cmd.SetOut(cmd.OutOrStdout())

@@ -153,7 +153,7 @@ var stopCmd = &cobra.Command{
 	Use:   "stop",
 	Short: "stops Netbird service",
 	RunE: func(cmd *cobra.Command, args []string) error {
-		SetFlagsFromEnvVars()
+		SetFlagsFromEnvVars(rootCmd)

 		cmd.SetOut(cmd.OutOrStdout())

@@ -186,7 +186,7 @@ var restartCmd = &cobra.Command{
 	Use:   "restart",
 	Short: "restarts Netbird service",
 	RunE: func(cmd *cobra.Command, args []string) error {
-		SetFlagsFromEnvVars()
+		SetFlagsFromEnvVars(rootCmd)

 		cmd.SetOut(cmd.OutOrStdout())

--- a/client/cmd/service_installer.go
+++ b/client/cmd/service_installer.go
@@ -13,7 +13,7 @@ var installCmd = &cobra.Command{
 	Use:   "install",
 	Short: "installs Netbird service",
 	RunE: func(cmd *cobra.Command, args []string) error {
-		SetFlagsFromEnvVars()
+		SetFlagsFromEnvVars(rootCmd)

 		cmd.SetOut(cmd.OutOrStdout())

@@ -86,7 +86,7 @@ var uninstallCmd = &cobra.Command{
 	Use:   "uninstall",
 	Short: "uninstalls Netbird service from system",
 	RunE: func(cmd *cobra.Command, args []string) error {
-		SetFlagsFromEnvVars()
+		SetFlagsFromEnvVars(rootCmd)

 		cmd.SetOut(cmd.OutOrStdout())

--- a/client/cmd/ssh.go
+++ b/client/cmd/ssh.go
@@ -40,7 +40,8 @@ var sshCmd = &cobra.Command{
 	},
 	Short: "connect to a remote SSH server",
 	RunE: func(cmd *cobra.Command, args []string) error {
-		SetFlagsFromEnvVars()
+		SetFlagsFromEnvVars(rootCmd)
+		SetFlagsFromEnvVars(cmd)

 		cmd.SetOut(cmd.OutOrStdout())

--- a/client/cmd/status.go
+++ b/client/cmd/status.go
@@ -30,7 +30,7 @@ var statusCmd = &cobra.Command{
 	Use:   "status",
 	Short: "status of the Netbird Service",
 	RunE: func(cmd *cobra.Command, args []string) error {
-		SetFlagsFromEnvVars()
+		SetFlagsFromEnvVars(rootCmd)

 		cmd.SetOut(cmd.OutOrStdout())

--- a/client/cmd/up.go
+++ b/client/cmd/up.go
@@ -11,6 +11,15 @@ import (
 	"github.com/spf13/cobra"
 	"google.golang.org/grpc/codes"
 	gstatus "google.golang.org/grpc/status"
+	"net"
+	"net/netip"
+	"strings"
+)
+
+const (
+	invalidInputType int = iota
+	ipInputType
+	interfaceInputType
 )

 var (
@@ -27,7 +36,8 @@ func init() {
 }

 func upFunc(cmd *cobra.Command, args []string) error {
-	SetFlagsFromEnvVars()
+	SetFlagsFromEnvVars(rootCmd)
+	SetFlagsFromEnvVars(cmd)

 	cmd.SetOut(cmd.OutOrStdout())

@@ -36,6 +46,11 @@ func upFunc(cmd *cobra.Command, args []string) error {
 		return fmt.Errorf("failed initializing log %v", err)
 	}

+	err = validateNATExternalIPs(natExternalIPs)
+	if err != nil {
+		return err
+	}
+
 	ctx := internal.CtxInitState(cmd.Context())

 	if foregroundMode {
@@ -50,11 +65,18 @@ func runInForegroundMode(ctx context.Context, cmd *cobra.Command) error {
 		return err
 	}

+	customDNSAddressConverted, err := parseCustomDNSAddress(cmd.Flag(dnsResolverAddress).Changed)
+	if err != nil {
+		return err
+	}
+
 	config, err := internal.GetConfig(internal.ConfigInput{
-		ManagementURL: managementURL,
-		AdminURL:      adminURL,
-		ConfigPath:    configPath,
-		PreSharedKey:  &preSharedKey,
+		ManagementURL:    managementURL,
+		AdminURL:         adminURL,
+		ConfigPath:       configPath,
+		PreSharedKey:     &preSharedKey,
+		NATExternalIPs:   natExternalIPs,
+		CustomDNSAddress: customDNSAddressConverted,
 	})
 	if err != nil {
 		return fmt.Errorf("get config file: %v", err)
@@ -75,6 +97,11 @@ func runInForegroundMode(ctx context.Context, cmd *cobra.Command) error {

 func runInDaemonMode(ctx context.Context, cmd *cobra.Command) error {

+	customDNSAddressConverted, err := parseCustomDNSAddress(cmd.Flag(dnsResolverAddress).Changed)
+	if err != nil {
+		return err
+	}
+
 	conn, err := DialClientGRPCServer(ctx, daemonAddr)
 	if err != nil {
 		return fmt.Errorf("failed to connect to daemon error: %v\n"+
@@ -102,9 +129,12 @@ func runInDaemonMode(ctx context.Context, cmd *cobra.Command) error {
 	}

 	loginRequest := proto.LoginRequest{
-		SetupKey:      setupKey,
-		PreSharedKey:  preSharedKey,
-		ManagementUrl: managementURL,
+		SetupKey:            setupKey,
+		PreSharedKey:        preSharedKey,
+		ManagementUrl:       managementURL,
+		NatExternalIPs:      natExternalIPs,
+		CleanNATExternalIPs: natExternalIPs != nil && len(natExternalIPs) == 0,
+		CustomDNSAddress:    customDNSAddressConverted,
 	}

 	var loginErr error
@@ -147,3 +177,89 @@ func runInDaemonMode(ctx context.Context, cmd *cobra.Command) error {
 	cmd.Println("Connected")
 	return nil
 }
+
+func validateNATExternalIPs(list []string) error {
+	for _, element := range list {
+		if element == "" {
+			return fmt.Errorf("empty string is not a valid input for %s", externalIPMapFlag)
+		}
+
+		subElements := strings.Split(element, "/")
+		if len(subElements) > 2 {
+			return fmt.Errorf("%s is not a valid input for %s. it should be formated as \"String\" or \"String/String\"", element, externalIPMapFlag)
+		}
+
+		if len(subElements) == 1 && !isValidIP(subElements[0]) {
+			return fmt.Errorf("%s is not a valid input for %s. it should be formated as \"IP\" or \"IP/IP\", or \"IP/Interface Name\"", element, externalIPMapFlag)
+		}
+
+		last := 0
+		for _, singleElement := range subElements {
+			inputType, err := validateElement(singleElement)
+			if err != nil {
+				return fmt.Errorf("%s is not a valid input for %s. it should be an IP string or a network name", singleElement, externalIPMapFlag)
+			}
+			if last == interfaceInputType && inputType == interfaceInputType {
+				return fmt.Errorf("%s is not a valid input for %s. it should not contain two interface names", element, externalIPMapFlag)
+			}
+			last = inputType
+		}
+	}
+	return nil
+}
+
+func validateElement(element string) (int, error) {
+	if isValidIP(element) {
+		return ipInputType, nil
+	}
+	validIface, err := isValidInterface(element)
+	if err != nil {
+		return invalidInputType, fmt.Errorf("unable to validate the network interface name, error: %s", err)
+	}
+
+	if validIface {
+		return interfaceInputType, nil
+	}
+
+	return interfaceInputType, fmt.Errorf("invalid IP or network interface name not found")
+}
+
+func isValidIP(ip string) bool {
+	return net.ParseIP(ip) != nil
+}
+
+func isValidInterface(name string) (bool, error) {
+	netInterfaces, err := net.Interfaces()
+	if err != nil {
+		return false, err
+	}
+	for _, iface := range netInterfaces {
+		if iface.Name == name {
+			return true, nil
+		}
+	}
+	return false, nil
+}
+
+func parseCustomDNSAddress(modified bool) ([]byte, error) {
+	var parsed []byte
+	if modified {
+		if !isValidAddrPort(customDNSAddress) {
+			return nil, fmt.Errorf("%s is invalid, it should be formated as IP:Port string or as an empty string like \"\"", customDNSAddress)
+		}
+		if customDNSAddress == "" && logFile != "console" {
+			parsed = []byte("empty")
+		} else {
+			parsed = []byte(customDNSAddress)
+		}
+	}
+	return parsed, nil
+}
+
+func isValidAddrPort(input string) bool {
+	if input == "" {
+		return true
+	}
+	_, err := netip.ParseAddrPort(input)
+	return err == nil
+}
--- a/client/internal/config.go
+++ b/client/internal/config.go
@@ -16,6 +16,14 @@ import (
 	"google.golang.org/grpc/status"
 )

+// ManagementLegacyPort is the port that was used before by the Management gRPC server.
+// It is used for backward compatibility now.
+// NB: hardcoded from github.com/netbirdio/netbird/management/cmd to avoid import
+const ManagementLegacyPort = 33073
+
+var defaultInterfaceBlacklist = []string{iface.WgInterfaceDefault, "wt", "utun", "tun0", "zt", "ZeroTier", "wg", "ts",
+	"Tailscale", "tailscale", "docker", "veth", "br-"}
+
 var managementURLDefault *url.URL

 func ManagementURLDefault() *url.URL {
@@ -32,10 +40,12 @@ func init() {

 // ConfigInput carries configuration changes to the client
 type ConfigInput struct {
-	ManagementURL string
-	AdminURL      string
-	ConfigPath    string
-	PreSharedKey  *string
+	ManagementURL    string
+	AdminURL         string
+	ConfigPath       string
+	PreSharedKey     *string
+	NATExternalIPs   []string
+	CustomDNSAddress []byte
 }

 // Config Configuration type
@@ -68,6 +78,8 @@ type Config struct {
 	//      "12.34.56.78/10.1.2.3" => interface IP 10.1.2.3 will be mapped to external IP of 12.34.56.78

 	NATExternalIPs []string
+	// CustomDNSAddress sets the DNS resolver listening address in format ip:port
+	CustomDNSAddress string
 }

 // createNewConfig creates a new config generating a new Wireguard key and saving to file
@@ -84,6 +96,8 @@ func createNewConfig(input ConfigInput) (*Config, error) {
 		WgPort:               iface.DefaultWgPort,
 		IFaceBlackList:       []string{},
 		DisableIPv6Discovery: false,
+		NATExternalIPs:       input.NATExternalIPs,
+		CustomDNSAddress:     string(input.CustomDNSAddress),
 	}
 	if input.ManagementURL != "" {
 		URL, err := ParseURL("Management URL", input.ManagementURL)
@@ -107,8 +121,7 @@ func createNewConfig(input ConfigInput) (*Config, error) {
 		config.AdminURL = newURL
 	}

-	config.IFaceBlackList = []string{iface.WgInterfaceDefault, "wt", "utun", "tun0", "zt", "ZeroTier", "wg", "ts",
-		"Tailscale", "tailscale", "docker", "veth", "br-"}
+	config.IFaceBlackList = defaultInterfaceBlacklist

 	err = util.WriteJson(input.ConfigPath, config)
 	if err != nil {
@@ -135,7 +148,7 @@ func ParseURL(serviceName, managementURL string) (*url.URL, error) {
 	return parsedMgmtURL, err
 }

-// ReadConfig reads existing config. In case provided managementURL is not empty overrides the read property
+// ReadConfig reads existing configuration and update settings according to input configuration
 func ReadConfig(input ConfigInput) (*Config, error) {
 	config := &Config{}
 	if _, err := os.Stat(input.ConfigPath); os.IsNotExist(err) {
@@ -176,6 +189,7 @@ func ReadConfig(input ConfigInput) (*Config, error) {
 		config.PreSharedKey = *input.PreSharedKey
 		refresh = true
 	}
+
 	if config.SSHKey == "" {
 		pem, err := ssh.GeneratePrivateKey(ssh.ED25519)
 		if err != nil {
@@ -189,6 +203,15 @@ func ReadConfig(input ConfigInput) (*Config, error) {
 		config.WgPort = iface.DefaultWgPort
 		refresh = true
 	}
+	if input.NATExternalIPs != nil && len(config.NATExternalIPs) != len(input.NATExternalIPs) {
+		config.NATExternalIPs = input.NATExternalIPs
+		refresh = true
+	}
+
+	if input.CustomDNSAddress != nil {
+		config.CustomDNSAddress = string(input.CustomDNSAddress)
+		refresh = true
+	}

 	if refresh {
 		// since we have new management URL, we need to update config file
--- a/client/internal/connect.go
+++ b/client/internal/connect.go
@@ -197,6 +197,7 @@ func createEngineConfig(key wgtypes.Key, config *Config, peerConfig *mgmProto.Pe
 		WgPort:               config.WgPort,
 		SSHKey:               []byte(config.SSHKey),
 		NATExternalIPs:       config.NATExternalIPs,
+		CustomDNSAddress:     config.CustomDNSAddress,
 	}

 	if config.PreSharedKey != "" {
@@ -245,11 +246,6 @@ func loginToManagement(ctx context.Context, client mgm.Client, pubSSHKey []byte)
 	return loginResp, nil
 }

-// ManagementLegacyPort is the port that was used before by the Management gRPC server.
-// It is used for backward compatibility now.
-// NB: hardcoded from github.com/netbirdio/netbird/management/cmd to avoid import
-const ManagementLegacyPort = 33073
-
 // UpdateOldManagementPort checks whether client can switch to the new Management port 443.
 // If it can switch, then it updates the config and returns a new one. Otherwise, it returns the provided config.
 // The check is performed only for the NetBird's managed version.
--- a/client/internal/dns/server.go
+++ b/client/internal/dns/server.go
@@ -45,6 +45,7 @@ type DefaultServer struct {
 	runtimePort        int
 	runtimeIP          string
 	previousConfigHash uint64
+	customAddress      *netip.AddrPort
 }

 type registrationMap map[string]struct{}
@@ -55,7 +56,7 @@ type muxUpdate struct {
 }

 // NewDefaultServer returns a new dns server
-func NewDefaultServer(ctx context.Context, wgInterface *iface.WGIface) (*DefaultServer, error) {
+func NewDefaultServer(ctx context.Context, wgInterface *iface.WGIface, customAddress string) (*DefaultServer, error) {
 	mux := dns.NewServeMux()

 	dnsServer := &dns.Server{
@@ -66,6 +67,16 @@ func NewDefaultServer(ctx context.Context, wgInterface *iface.WGIface) (*Default

 	ctx, stop := context.WithCancel(ctx)

+	var addrPort *netip.AddrPort
+	if customAddress != "" {
+		parsedAddrPort, err := netip.ParseAddrPort(customAddress)
+		if err != nil {
+			stop()
+			return nil, fmt.Errorf("unable to parse the custom dns address, got error: %s", err)
+		}
+		addrPort = &parsedAddrPort
+	}
+
 	defaultServer := &DefaultServer{
 		ctx:       ctx,
 		stop:      stop,
@@ -75,12 +86,14 @@ func NewDefaultServer(ctx context.Context, wgInterface *iface.WGIface) (*Default
 		localResolver: &localResolver{
 			registeredMap: make(registrationMap),
 		},
-		wgInterface: wgInterface,
-		runtimePort: defaultPort,
+		wgInterface:   wgInterface,
+		runtimePort:   defaultPort,
+		customAddress: addrPort,
 	}

 	hostmanager, err := newHostManager(wgInterface)
 	if err != nil {
+		stop()
 		return nil, err
 	}
 	defaultServer.hostManager = hostmanager
@@ -90,13 +103,19 @@ func NewDefaultServer(ctx context.Context, wgInterface *iface.WGIface) (*Default
 // Start runs the listener in a go routine
 func (s *DefaultServer) Start() {

-	ip, port, err := s.getFirstListenerAvailable()
-	if err != nil {
-		log.Error(err)
-		return
+	if s.customAddress != nil {
+		s.runtimeIP = s.customAddress.Addr().String()
+		s.runtimePort = int(s.customAddress.Port())
+	} else {
+		ip, port, err := s.getFirstListenerAvailable()
+		if err != nil {
+			log.Error(err)
+			return
+		}
+		s.runtimeIP = ip
+		s.runtimePort = port
 	}
-	s.runtimeIP = ip
-	s.runtimePort = port
+
 	s.server.Addr = fmt.Sprintf("%s:%d", s.runtimeIP, s.runtimePort)

 	log.Debugf("starting dns on %s", s.server.Addr)
@@ -105,7 +124,7 @@ func (s *DefaultServer) Start() {
 		s.setListenerStatus(true)
 		defer s.setListenerStatus(false)

-		err = s.server.ListenAndServe()
+		err := s.server.ListenAndServe()
 		if err != nil {
 			log.Errorf("dns server running with %d port returned an error: %v. Will not retry", s.runtimePort, err)
 		}
--- a/client/internal/dns/server_test.go
+++ b/client/internal/dns/server_test.go
@@ -8,8 +8,6 @@ import (
 	"github.com/netbirdio/netbird/iface"
 	"net"
 	"net/netip"
-	"os"
-	"runtime"
 	"testing"
 	"time"
 )
@@ -214,7 +212,7 @@ func TestUpdateDNSServer(t *testing.T) {
 					t.Log(err)
 				}
 			}()
-			dnsServer, err := NewDefaultServer(context.Background(), wgIface)
+			dnsServer, err := NewDefaultServer(context.Background(), wgIface, "")
 			if err != nil {
 				t.Fatal(err)
 			}
@@ -265,74 +263,89 @@ func TestUpdateDNSServer(t *testing.T) {
 }

 func TestDNSServerStartStop(t *testing.T) {
-	dnsServer := getDefaultServerWithNoHostManager("127.0.0.1")

-	if runtime.GOOS == "windows" && os.Getenv("CI") == "true" {
-		// todo review why this test is not working only on github actions workflows
-		t.Skip("skipping test in Windows CI workflows.")
-	}
-
-	dnsServer.hostManager = newNoopHostMocker()
-	dnsServer.Start()
-	time.Sleep(100 * time.Millisecond)
-	if !dnsServer.listenerIsRunning {
-		t.Fatal("dns server listener is not running")
-	}
-	defer dnsServer.Stop()
-	err := dnsServer.localResolver.registerRecord(zoneRecords[0])
-	if err != nil {
-		t.Error(err)
-	}
-
-	dnsServer.dnsMux.Handle("netbird.cloud", dnsServer.localResolver)
-
-	resolver := &net.Resolver{
-		PreferGo: true,
-		Dial: func(ctx context.Context, network, address string) (net.Conn, error) {
-			d := net.Dialer{
-				Timeout: time.Second * 5,
-			}
-			addr := fmt.Sprintf("%s:%d", dnsServer.runtimeIP, dnsServer.runtimePort)
-			conn, err := d.DialContext(ctx, network, addr)
-			if err != nil {
-				t.Log(err)
-				// retry test before exit, for slower systems
-				return d.DialContext(ctx, network, addr)
-			}
-
-			return conn, nil
+	testCases := []struct {
+		name     string
+		addrPort string
+	}{
+		{
+			name: "Should Pass With Port Discovery",
+		},
+		{
+			name:     "Should Pass With Custom Port",
+			addrPort: "127.0.0.1:3535",
 		},
 	}

-	ips, err := resolver.LookupHost(context.Background(), zoneRecords[0].Name)
-	if err != nil {
-		t.Fatalf("failed to connect to the server, error: %v", err)
-	}
+	for _, testCase := range testCases {
+		t.Run(testCase.name, func(t *testing.T) {
+			dnsServer := getDefaultServerWithNoHostManager(t, testCase.addrPort)

-	t.Log(ips)
+			dnsServer.hostManager = newNoopHostMocker()
+			dnsServer.Start()
+			time.Sleep(100 * time.Millisecond)
+			if !dnsServer.listenerIsRunning {
+				t.Fatal("dns server listener is not running")
+			}
+			defer dnsServer.Stop()
+			err := dnsServer.localResolver.registerRecord(zoneRecords[0])
+			if err != nil {
+				t.Error(err)
+			}

-	if ips[0] != zoneRecords[0].RData {
-		t.Fatalf("got a different IP from the server: want %s, got %s", zoneRecords[0].RData, ips[0])
-	}
+			dnsServer.dnsMux.Handle("netbird.cloud", dnsServer.localResolver)

-	dnsServer.Stop()
-	ctx, cancel := context.WithTimeout(context.TODO(), time.Second*1)
-	defer cancel()
-	_, err = resolver.LookupHost(ctx, zoneRecords[0].Name)
-	if err == nil {
-		t.Fatalf("we should encounter an error when querying a stopped server")
+			resolver := &net.Resolver{
+				PreferGo: true,
+				Dial: func(ctx context.Context, network, address string) (net.Conn, error) {
+					d := net.Dialer{
+						Timeout: time.Second * 5,
+					}
+					addr := fmt.Sprintf("%s:%d", dnsServer.runtimeIP, dnsServer.runtimePort)
+					conn, err := d.DialContext(ctx, network, addr)
+					if err != nil {
+						t.Log(err)
+						// retry test before exit, for slower systems
+						return d.DialContext(ctx, network, addr)
+					}
+
+					return conn, nil
+				},
+			}
+
+			ips, err := resolver.LookupHost(context.Background(), zoneRecords[0].Name)
+			if err != nil {
+				t.Fatalf("failed to connect to the server, error: %v", err)
+			}
+
+			if ips[0] != zoneRecords[0].RData {
+				t.Fatalf("got a different IP from the server: want %s, got %s", zoneRecords[0].RData, ips[0])
+			}
+
+			dnsServer.Stop()
+			ctx, cancel := context.WithTimeout(context.TODO(), time.Second*1)
+			defer cancel()
+			_, err = resolver.LookupHost(ctx, zoneRecords[0].Name)
+			if err == nil {
+				t.Fatalf("we should encounter an error when querying a stopped server")
+			}
+		})
 	}
 }

-func getDefaultServerWithNoHostManager(ip string) *DefaultServer {
+func getDefaultServerWithNoHostManager(t *testing.T, addrPort string) *DefaultServer {
 	mux := dns.NewServeMux()
-	listenIP := defaultIP
-	if ip != "" {
-		listenIP = ip
+
+	var parsedAddrPort *netip.AddrPort
+	if addrPort != "" {
+		parsed, err := netip.ParseAddrPort(addrPort)
+		if err != nil {
+			t.Fatal(err)
+		}
+		parsedAddrPort = &parsed
 	}

 	dnsServer := &dns.Server{
-		Addr:    fmt.Sprintf("%s:%d", ip, defaultPort),
 		Net:     "udp",
 		Handler: mux,
 		UDPSize: 65535,
@@ -349,7 +362,6 @@ func getDefaultServerWithNoHostManager(ip string) *DefaultServer {
 		localResolver: &localResolver{
 			registeredMap: make(registrationMap),
 		},
-		runtimePort: defaultPort,
-		runtimeIP:   listenIP,
+		customAddress: parsedAddrPort,
 	}
 }
--- a/client/internal/engine.go
+++ b/client/internal/engine.go
@@ -70,6 +70,8 @@ type EngineConfig struct {
 	SSHKey []byte

 	NATExternalIPs []string
+
+	CustomDNSAddress string
 }

 // Engine is a mechanism responsible for reacting on Signal and Management stream events and managing connections to the remote peers.
@@ -261,7 +263,8 @@ func (e *Engine) Start() error {
 	e.routeManager = routemanager.NewManager(e.ctx, e.config.WgPrivateKey.PublicKey().String(), e.wgInterface, e.statusRecorder)

 	if e.dnsServer == nil {
-		dnsServer, err := dns.NewDefaultServer(e.ctx, e.wgInterface)
+		// todo fix custom address
+		dnsServer, err := dns.NewDefaultServer(e.ctx, e.wgInterface, e.config.CustomDNSAddress)
 		if err != nil {
 			return err
 		}
@@ -964,6 +967,7 @@ func (e *Engine) parseNATExternalIPMappings() []string {
 		var external, internal string
 		var externalIP, internalIP net.IP
 		var err error
+
 		split := strings.Split(mapping, "/")
 		if len(split) > 2 {
 			log.Warnf("ignoring invalid external mapping '%s', too many delimiters", mapping)
@@ -988,7 +992,7 @@ func (e *Engine) parseNATExternalIPMappings() []string {
 		external = split[0]
 		externalIP = net.ParseIP(external)
 		if externalIP == nil {
-			log.Warnf("invalid external IP, ignoring external IP mapping '%s'", mapping)
+			log.Warnf("invalid external IP, %s, ignoring external IP mapping '%s'", external, mapping)
 			break
 		}
 		if externalIP != nil {
--- a/client/internal/engine_test.go
+++ b/client/internal/engine_test.go
@@ -12,6 +12,7 @@ import (
 	"github.com/netbirdio/netbird/management/server/activity"
 	"github.com/netbirdio/netbird/route"
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 	"net"
 	"net/netip"
 	"os"
@@ -778,15 +779,13 @@ func TestEngine_MultiplePeers(t *testing.T) {
 	ctx, cancel := context.WithCancel(CtxInitState(context.Background()))
 	defer cancel()

-	sport := 10010
-	sigServer, err := startSignal(sport)
+	sigServer, signalAddr, err := startSignal()
 	if err != nil {
 		t.Fatal(err)
 		return
 	}
 	defer sigServer.Stop()
-	mport := 33081
-	mgmtServer, err := startManagement(mport, dir)
+	mgmtServer, mgmtAddr, err := startManagement(dir)
 	if err != nil {
 		t.Fatal(err)
 		return
@@ -804,7 +803,7 @@ func TestEngine_MultiplePeers(t *testing.T) {
 	for i := 0; i < numPeers; i++ {
 		j := i
 		go func() {
-			engine, err := createEngine(ctx, cancel, setupKey, j, mport, sport)
+			engine, err := createEngine(ctx, cancel, setupKey, j, mgmtAddr, signalAddr)
 			if err != nil {
 				wg.Done()
 				t.Errorf("unable to create the engine for peer %d with error %v", j, err)
@@ -870,16 +869,84 @@ loop:
 	}
 }

-func createEngine(ctx context.Context, cancel context.CancelFunc, setupKey string, i int, mport int, sport int) (*Engine, error) {
+func Test_ParseNATExternalIPMappings(t *testing.T) {
+	ifaceList, err := net.Interfaces()
+	if err != nil {
+		t.Fatalf("could get the interface list, got error: %s", err)
+	}
+
+	var testingIP string
+	var testingInterface string
+
+	for _, iface := range ifaceList {
+		addrList, err := iface.Addrs()
+		if err != nil {
+			t.Fatalf("could get the addr list, got error: %s", err)
+		}
+		for _, addr := range addrList {
+			prefix := netip.MustParsePrefix(addr.String())
+			if prefix.Addr().Is4() && !prefix.Addr().IsLoopback() {
+				testingIP = prefix.Addr().String()
+				testingInterface = iface.Name
+			}
+		}
+	}
+
+	testCases := []struct {
+		name                    string
+		inputMapList            []string
+		inputBlacklistInterface []string
+		expectedOutput          []string
+	}{
+		{
+			name:                    "Parse Valid List Should Be OK",
+			inputBlacklistInterface: defaultInterfaceBlacklist,
+			inputMapList:            []string{"1.1.1.1", "8.8.8.8/" + testingInterface},
+			expectedOutput:          []string{"1.1.1.1", "8.8.8.8/" + testingIP},
+		},
+		{
+			name:                    "Only Interface Name Should Return Nil",
+			inputBlacklistInterface: defaultInterfaceBlacklist,
+			inputMapList:            []string{testingInterface},
+			expectedOutput:          nil,
+		},
+		{
+			name:                    "Invalid IP Return Nil",
+			inputBlacklistInterface: defaultInterfaceBlacklist,
+			inputMapList:            []string{"1.1.1.1000"},
+			expectedOutput:          nil,
+		},
+		{
+			name:                    "Invalid Mapping Element Should return Nil",
+			inputBlacklistInterface: defaultInterfaceBlacklist,
+			inputMapList:            []string{"1.1.1.1/10.10.10.1/eth0"},
+			expectedOutput:          nil,
+		},
+	}
+	for _, testCase := range testCases {
+		t.Run(testCase.name, func(t *testing.T) {
+			engine := &Engine{
+				config: &EngineConfig{
+					IFaceBlackList: testCase.inputBlacklistInterface,
+					NATExternalIPs: testCase.inputMapList,
+				},
+			}
+			parsedList := engine.parseNATExternalIPMappings()
+			require.ElementsMatchf(t, testCase.expectedOutput, parsedList, "elements of parsed list should match expected list")
+		})
+	}
+}
+
+func createEngine(ctx context.Context, cancel context.CancelFunc, setupKey string, i int, mgmtAddr string, signalAddr string) (*Engine, error) {
 	key, err := wgtypes.GeneratePrivateKey()
 	if err != nil {
 		return nil, err
 	}
-	mgmtClient, err := mgmt.NewClient(ctx, fmt.Sprintf("localhost:%d", mport), key, false)
+	mgmtClient, err := mgmt.NewClient(ctx, mgmtAddr, key, false)
 	if err != nil {
 		return nil, err
 	}
-	signalClient, err := signal.NewClient(ctx, fmt.Sprintf("localhost:%d", sport), key, false)
+	signalClient, err := signal.NewClient(ctx, signalAddr, key, false)
 	if err != nil {
 		return nil, err
 	}
@@ -913,10 +980,10 @@ func createEngine(ctx context.Context, cancel context.CancelFunc, setupKey strin
 	return NewEngine(ctx, cancel, signalClient, mgmtClient, conf, nbstatus.NewRecorder()), nil
 }

-func startSignal(port int) (*grpc.Server, error) {
+func startSignal() (*grpc.Server, string, error) {
 	s := grpc.NewServer(grpc.KeepaliveEnforcementPolicy(kaep), grpc.KeepaliveParams(kasp))

-	lis, err := net.Listen("tcp", fmt.Sprintf(":%d", port))
+	lis, err := net.Listen("tcp", "localhost:0")
 	if err != nil {
 		log.Fatalf("failed to listen: %v", err)
 	}
@@ -929,10 +996,10 @@ func startSignal(port int) (*grpc.Server, error) {
 		}
 	}()

-	return s, nil
+	return s, lis.Addr().String(), nil
 }

-func startManagement(port int, dataDir string) (*grpc.Server, error) {
+func startManagement(dataDir string) (*grpc.Server, string, error) {
 	config := &server.Config{
 		Stuns:      []*server.Host{},
 		TURNConfig: &server.TURNConfig{},
@@ -944,9 +1011,9 @@ func startManagement(port int, dataDir string) (*grpc.Server, error) {
 		HttpConfig: nil,
 	}

-	lis, err := net.Listen("tcp", fmt.Sprintf("localhost:%d", port))
+	lis, err := net.Listen("tcp", "localhost:0")
 	if err != nil {
-		return nil, err
+		return nil, "", err
 	}
 	s := grpc.NewServer(grpc.KeepaliveEnforcementPolicy(kaep), grpc.KeepaliveParams(kasp))
 	store, err := server.NewFileStore(config.Datadir)
@@ -956,17 +1023,17 @@ func startManagement(port int, dataDir string) (*grpc.Server, error) {
 	peersUpdateManager := server.NewPeersUpdateManager()
 	eventStore := &activity.InMemoryEventStore{}
 	if err != nil {
-		return nil, nil
+		return nil, "", nil
 	}
 	accountManager, err := server.BuildManager(store, peersUpdateManager, nil, "", "",
 		eventStore)
 	if err != nil {
-		return nil, err
+		return nil, "", err
 	}
 	turnManager := server.NewTimeBasedAuthSecretsManager(peersUpdateManager, config.TURNConfig)
 	mgmtServer, err := server.NewServer(config, accountManager, peersUpdateManager, turnManager, nil)
 	if err != nil {
-		return nil, err
+		return nil, "", err
 	}
 	mgmtProto.RegisterManagementServiceServer(s, mgmtServer)
 	go func() {
@@ -975,5 +1042,5 @@ func startManagement(port int, dataDir string) (*grpc.Server, error) {
 		}
 	}()

-	return s, nil
+	return s, lis.Addr().String(), nil
 }
--- a/client/proto/daemon.pb.go
+++ b/client/proto/daemon.pb.go
@@ -35,6 +35,13 @@ type LoginRequest struct {
 	ManagementUrl string `protobuf:"bytes,3,opt,name=managementUrl,proto3" json:"managementUrl,omitempty"`
 	// adminUrl to manage keys.
 	AdminURL string `protobuf:"bytes,4,opt,name=adminURL,proto3" json:"adminURL,omitempty"`
+	// natExternalIPs map list of external IPs
+	NatExternalIPs []string `protobuf:"bytes,5,rep,name=natExternalIPs,proto3" json:"natExternalIPs,omitempty"`
+	// cleanNATExternalIPs clean map list of external IPs.
+	// This is needed because the generated code
+	// omits initialized empty slices due to omitempty tags
+	CleanNATExternalIPs bool   `protobuf:"varint,6,opt,name=cleanNATExternalIPs,proto3" json:"cleanNATExternalIPs,omitempty"`
+	CustomDNSAddress    []byte `protobuf:"bytes,7,opt,name=customDNSAddress,proto3" json:"customDNSAddress,omitempty"`
 }

 func (x *LoginRequest) Reset() {
@@ -97,6 +104,27 @@ func (x *LoginRequest) GetAdminURL() string {
 	return ""
 }

+func (x *LoginRequest) GetNatExternalIPs() []string {
+	if x != nil {
+		return x.NatExternalIPs
+	}
+	return nil
+}
+
+func (x *LoginRequest) GetCleanNATExternalIPs() bool {
+	if x != nil {
+		return x.CleanNATExternalIPs
+	}
+	return false
+}
+
+func (x *LoginRequest) GetCustomDNSAddress() []byte {
+	if x != nil {
+		return x.CustomDNSAddress
+	}
+	return nil
+}
+
 type LoginResponse struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -1015,7 +1043,7 @@ var file_daemon_proto_rawDesc = []byte{
 	0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x64, 0x65, 0x73, 0x63, 0x72, 0x69, 0x70, 0x74,
 	0x6f, 0x72, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x1f, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65,
 	0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74,
-	0x61, 0x6d, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x90, 0x01, 0x0a, 0x0c, 0x4c, 0x6f,
+	0x61, 0x6d, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x96, 0x02, 0x0a, 0x0c, 0x4c, 0x6f,
 	0x67, 0x69, 0x6e, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x1a, 0x0a, 0x08, 0x73, 0x65,
 	0x74, 0x75, 0x70, 0x4b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x08, 0x73, 0x65,
 	0x74, 0x75, 0x70, 0x4b, 0x65, 0x79, 0x12, 0x22, 0x0a, 0x0c, 0x70, 0x72, 0x65, 0x53, 0x68, 0x61,
@@ -1024,129 +1052,137 @@ var file_daemon_proto_rawDesc = []byte{
 	0x6e, 0x61, 0x67, 0x65, 0x6d, 0x65, 0x6e, 0x74, 0x55, 0x72, 0x6c, 0x18, 0x03, 0x20, 0x01, 0x28,
 	0x09, 0x52, 0x0d, 0x6d, 0x61, 0x6e, 0x61, 0x67, 0x65, 0x6d, 0x65, 0x6e, 0x74, 0x55, 0x72, 0x6c,
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+	0x6e, 0x73, 0x65, 0x22, 0x00, 0x42, 0x08, 0x5a, 0x06, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62,
+	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }

 var (
--- a/client/proto/daemon.proto
+++ b/client/proto/daemon.proto
@@ -41,6 +41,16 @@ message LoginRequest {
  // adminUrl to manage keys.
  string adminURL = 4;

+  // natExternalIPs map list of external IPs
+  repeated string natExternalIPs = 5;
+
+  // cleanNATExternalIPs clean map list of external IPs.
+  // This is needed because the generated code
+  // omits initialized empty slices due to omitempty tags
+  bool cleanNATExternalIPs = 6;
+
+  bytes customDNSAddress = 7;
+
 }

 message LoginResponse {
--- a/client/server/server.go
+++ b/client/server/server.go
@@ -24,10 +24,9 @@ type Server struct {
 	rootCtx   context.Context
 	actCancel context.CancelFunc

-	managementURL string
-	adminURL      string
-	configPath    string
-	logFile       string
+	latestConfigInput internal.ConfigInput
+
+	logFile string

 	oauthAuthFlow oauthAuthFlow

@@ -48,11 +47,13 @@ type oauthAuthFlow struct {
 // New server instance constructor.
 func New(ctx context.Context, managementURL, adminURL, configPath, logFile string) *Server {
 	return &Server{
-		rootCtx:       ctx,
-		managementURL: managementURL,
-		adminURL:      adminURL,
-		configPath:    configPath,
-		logFile:       logFile,
+		rootCtx: ctx,
+		latestConfigInput: internal.ConfigInput{
+			ManagementURL: managementURL,
+			AdminURL:      adminURL,
+			ConfigPath:    configPath,
+		},
+		logFile: logFile,
 	}
 }

@@ -78,17 +79,9 @@ func (s *Server) Start() error {

 	// if configuration exists, we just start connections. if is new config we skip and set status NeedsLogin
 	// on failure we return error to retry
-	config, err := internal.ReadConfig(internal.ConfigInput{
-		ManagementURL: s.managementURL,
-		AdminURL:      s.adminURL,
-		ConfigPath:    s.configPath,
-	})
+	config, err := internal.ReadConfig(s.latestConfigInput)
 	if errorStatus, ok := gstatus.FromError(err); ok && errorStatus.Code() == codes.NotFound {
-		config, err = internal.GetConfig(internal.ConfigInput{
-			ManagementURL: s.managementURL,
-			AdminURL:      s.adminURL,
-			ConfigPath:    s.configPath,
-		})
+		config, err = internal.GetConfig(s.latestConfigInput)
 		if err != nil {
 			log.Warnf("unable to create configuration file: %v", err)
 			return err
@@ -101,7 +94,7 @@ func (s *Server) Start() error {
 	}

 	// if configuration exists, we just start connections.
-	config, _ = internal.UpdateOldManagementPort(ctx, config, s.configPath)
+	config, _ = internal.UpdateOldManagementPort(ctx, config, s.latestConfigInput.ConfigPath)

 	s.config = config

@@ -160,33 +153,46 @@ func (s *Server) Login(callerCtx context.Context, msg *proto.LoginRequest) (*pro
 	}()

 	s.mutex.Lock()
-	managementURL := s.managementURL
+	inputConfig := s.latestConfigInput
+
 	if msg.ManagementUrl != "" {
-		managementURL = msg.ManagementUrl
-		s.managementURL = msg.ManagementUrl
+		inputConfig.ManagementURL = msg.ManagementUrl
+		s.latestConfigInput.ManagementURL = msg.ManagementUrl
 	}

-	adminURL := s.adminURL
 	if msg.AdminURL != "" {
-		adminURL = msg.AdminURL
-		s.adminURL = msg.AdminURL
+		inputConfig.AdminURL = msg.AdminURL
+		s.latestConfigInput.AdminURL = msg.AdminURL
 	}
+
+	if msg.CleanNATExternalIPs {
+		inputConfig.NATExternalIPs = make([]string, 0)
+		s.latestConfigInput.NATExternalIPs = nil
+	} else if msg.NatExternalIPs != nil {
+		inputConfig.NATExternalIPs = msg.NatExternalIPs
+		s.latestConfigInput.NATExternalIPs = msg.NatExternalIPs
+	}
+
+	inputConfig.CustomDNSAddress = msg.CustomDNSAddress
+	s.latestConfigInput.CustomDNSAddress = msg.CustomDNSAddress
+	if string(msg.CustomDNSAddress) == "empty" {
+		inputConfig.CustomDNSAddress = []byte{}
+		s.latestConfigInput.CustomDNSAddress = []byte{}
+	}
+
 	s.mutex.Unlock()

-	config, err := internal.GetConfig(internal.ConfigInput{
-		ManagementURL: managementURL,
-		AdminURL:      adminURL,
-		ConfigPath:    s.configPath,
-		PreSharedKey:  &msg.PreSharedKey,
-	})
+	inputConfig.PreSharedKey = &msg.PreSharedKey
+
+	config, err := internal.GetConfig(inputConfig)
 	if err != nil {
 		return nil, err
 	}

 	if msg.ManagementUrl == "" {
-		config, _ = internal.UpdateOldManagementPort(ctx, config, s.configPath)
+		config, _ = internal.UpdateOldManagementPort(ctx, config, s.latestConfigInput.ConfigPath)
 		s.config = config
-		s.managementURL = config.ManagementURL.String()
+		s.latestConfigInput.ManagementURL = config.ManagementURL.String()
 	}

 	s.mutex.Lock()
@@ -444,8 +450,8 @@ func (s *Server) GetConfig(_ context.Context, _ *proto.GetConfigRequest) (*proto
 	s.mutex.Lock()
 	defer s.mutex.Unlock()

-	managementURL := s.managementURL
-	adminURL := s.adminURL
+	managementURL := s.latestConfigInput.ManagementURL
+	adminURL := s.latestConfigInput.AdminURL
 	preSharedKey := ""

 	if s.config != nil {
@@ -467,7 +473,7 @@ func (s *Server) GetConfig(_ context.Context, _ *proto.GetConfigRequest) (*proto
 	return &proto.GetConfigResponse{
 		ManagementUrl: managementURL,
 		AdminURL:      adminURL,
-		ConfigFile:    s.configPath,
+		ConfigFile:    s.latestConfigInput.ConfigPath,
 		LogFile:       s.logFile,
 		PreSharedKey:  preSharedKey,
 	}, nil