Merge remote-tracking branch 'origin/main' into proto-ipv6-overlay

# Conflicts:
#	client/firewall/uspfilter/forwarder/endpoint.go
#	client/wasm/cmd/main.go
#	proxy/cmd/proxy/cmd/debug.go

client/Dockerfile

@@ -17,6 +17,7 @@ ENV \
     NETBIRD_BIN="/usr/local/bin/netbird" \
     NB_LOG_FILE="console,/var/log/netbird/client.log" \
     NB_DAEMON_ADDR="unix:///var/run/netbird.sock" \
+    NB_ENABLE_CAPTURE="false" \
     NB_ENTRYPOINT_SERVICE_TIMEOUT="30"
 
 ENTRYPOINT [ "/usr/local/bin/netbird-entrypoint.sh" ]

client/Dockerfile-rootless

@@ -23,6 +23,7 @@ ENV \
     NB_DAEMON_ADDR="unix:///var/lib/netbird/netbird.sock" \
     NB_LOG_FILE="console,/var/lib/netbird/client.log" \
     NB_DISABLE_DNS="true" \
+    NB_ENABLE_CAPTURE="false" \
     NB_ENTRYPOINT_SERVICE_TIMEOUT="30"
 
 ENTRYPOINT [ "/usr/local/bin/netbird-entrypoint.sh" ]

client/cmd/capture.go

@@ -0,0 +1,196 @@
+package cmd
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"os"
+	"os/signal"
+	"path/filepath"
+	"strings"
+	"syscall"
+
+	"github.com/hashicorp/go-multierror"
+	"github.com/spf13/cobra"
+	"google.golang.org/grpc/status"
+	"google.golang.org/protobuf/types/known/durationpb"
+
+	nberrors "github.com/netbirdio/netbird/client/errors"
+	"github.com/netbirdio/netbird/client/proto"
+	"github.com/netbirdio/netbird/util/capture"
+)
+
+var captureCmd = &cobra.Command{
+	Use:   "capture",
+	Short: "Capture packets on the WireGuard interface",
+	Long: `Captures decrypted packets flowing through the WireGuard interface.
+
+Default output is human-readable text. Use --pcap or --output for pcap binary.
+Requires --enable-capture to be set at service install or reconfigure time.
+
+Examples:
+  netbird debug capture
+  netbird debug capture host 100.64.0.1 and port 443
+  netbird debug capture tcp
+  netbird debug capture icmp
+  netbird debug capture src host 10.0.0.1 and dst port 80
+  netbird debug capture -o capture.pcap
+  netbird debug capture --pcap | tshark -r -
+  netbird debug capture --pcap | tcpdump -r - -n`,
+	Args: cobra.ArbitraryArgs,
+	RunE: runCapture,
+}
+
+func init() {
+	debugCmd.AddCommand(captureCmd)
+
+	captureCmd.Flags().Bool("pcap", false, "Force pcap binary output (default when --output is set)")
+	captureCmd.Flags().BoolP("verbose", "v", false, "Show seq/ack, TTL, window, total length")
+	captureCmd.Flags().Bool("ascii", false, "Print payload as ASCII after each packet (useful for HTTP)")
+	captureCmd.Flags().Uint32("snap-len", 0, "Max bytes per packet (0 = full)")
+	captureCmd.Flags().DurationP("duration", "d", 0, "Capture duration (0 = until interrupted)")
+	captureCmd.Flags().StringP("output", "o", "", "Write pcap to file instead of stdout")
+}
+
+func runCapture(cmd *cobra.Command, args []string) error {
+	conn, err := getClient(cmd)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		if err := conn.Close(); err != nil {
+			cmd.PrintErrf(errCloseConnection, err)
+		}
+	}()
+
+	client := proto.NewDaemonServiceClient(conn)
+
+	req, err := buildCaptureRequest(cmd, args)
+	if err != nil {
+		return err
+	}
+
+	ctx, cancel := signal.NotifyContext(cmd.Context(), syscall.SIGINT, syscall.SIGTERM)
+	defer cancel()
+
+	stream, err := client.StartCapture(ctx, req)
+	if err != nil {
+		return handleCaptureError(err)
+	}
+
+	// First Recv is the empty acceptance message from the server. If the
+	// device is unavailable (kernel WG, not connected, capture disabled),
+	// the server returns an error instead.
+	if _, err := stream.Recv(); err != nil {
+		return handleCaptureError(err)
+	}
+
+	out, cleanup, err := captureOutput(cmd)
+	if err != nil {
+		return err
+	}
+
+	if req.TextOutput {
+		cmd.PrintErrf("Capturing packets... Press Ctrl+C to stop.\n")
+	} else {
+		cmd.PrintErrf("Capturing packets (pcap)... Press Ctrl+C to stop.\n")
+	}
+
+	streamErr := streamCapture(ctx, cmd, stream, out)
+	cleanupErr := cleanup()
+	if streamErr != nil {
+		return streamErr
+	}
+	return cleanupErr
+}
+
+func buildCaptureRequest(cmd *cobra.Command, args []string) (*proto.StartCaptureRequest, error) {
+	req := &proto.StartCaptureRequest{}
+
+	if len(args) > 0 {
+		expr := strings.Join(args, " ")
+		if _, err := capture.ParseFilter(expr); err != nil {
+			return nil, fmt.Errorf("invalid filter: %w", err)
+		}
+		req.FilterExpr = expr
+	}
+
+	if snap, _ := cmd.Flags().GetUint32("snap-len"); snap > 0 {
+		req.SnapLen = snap
+	}
+	if d, _ := cmd.Flags().GetDuration("duration"); d != 0 {
+		if d < 0 {
+			return nil, fmt.Errorf("duration must not be negative")
+		}
+		req.Duration = durationpb.New(d)
+	}
+	req.Verbose, _ = cmd.Flags().GetBool("verbose")
+	req.Ascii, _ = cmd.Flags().GetBool("ascii")
+
+	outPath, _ := cmd.Flags().GetString("output")
+	forcePcap, _ := cmd.Flags().GetBool("pcap")
+	req.TextOutput = !forcePcap && outPath == ""
+
+	return req, nil
+}
+
+func streamCapture(ctx context.Context, cmd *cobra.Command, stream proto.DaemonService_StartCaptureClient, out io.Writer) error {
+	for {
+		pkt, err := stream.Recv()
+		if err != nil {
+			if ctx.Err() != nil {
+				cmd.PrintErrf("\nCapture stopped.\n")
+				return nil //nolint:nilerr // user interrupted
+			}
+			if err == io.EOF {
+				cmd.PrintErrf("\nCapture finished.\n")
+				return nil
+			}
+			return handleCaptureError(err)
+		}
+		if _, err := out.Write(pkt.GetData()); err != nil {
+			return fmt.Errorf("write output: %w", err)
+		}
+	}
+}
+
+// captureOutput returns the writer for capture data and a cleanup function
+// that finalizes the file. Errors from the cleanup must be propagated.
+func captureOutput(cmd *cobra.Command) (io.Writer, func() error, error) {
+	outPath, _ := cmd.Flags().GetString("output")
+	if outPath == "" {
+		return os.Stdout, func() error { return nil }, nil
+	}
+
+	f, err := os.CreateTemp(filepath.Dir(outPath), filepath.Base(outPath)+".*.tmp")
+	if err != nil {
+		return nil, nil, fmt.Errorf("create output file: %w", err)
+	}
+	tmpPath := f.Name()
+	return f, func() error {
+		var merr *multierror.Error
+		if err := f.Close(); err != nil {
+			merr = multierror.Append(merr, fmt.Errorf("close output file: %w", err))
+		}
+		fi, statErr := os.Stat(tmpPath)
+		if statErr != nil || fi.Size() == 0 {
+			if rmErr := os.Remove(tmpPath); rmErr != nil && !os.IsNotExist(rmErr) {
+				merr = multierror.Append(merr, fmt.Errorf("remove empty output file: %w", rmErr))
+			}
+			return nberrors.FormatErrorOrNil(merr)
+		}
+		if err := os.Rename(tmpPath, outPath); err != nil {
+			merr = multierror.Append(merr, fmt.Errorf("rename output file: %w", err))
+			return nberrors.FormatErrorOrNil(merr)
+		}
+		cmd.PrintErrf("Wrote %s\n", outPath)
+		return nberrors.FormatErrorOrNil(merr)
+	}, nil
+}
+
+func handleCaptureError(err error) error {
+	if s, ok := status.FromError(err); ok {
+		return fmt.Errorf("%s", s.Message())
+	}
+	return err
+}

client/cmd/debug.go

@@ -9,6 +9,7 @@ import (
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
 	"google.golang.org/grpc/status"
+	"google.golang.org/protobuf/types/known/durationpb"
 
 	"github.com/netbirdio/netbird/client/internal"
 	"github.com/netbirdio/netbird/client/internal/debug"
@@ -239,11 +240,50 @@ func runForDuration(cmd *cobra.Command, args []string) error {
 		}()
 	}
 
+	captureStarted := false
+	if wantCapture, _ := cmd.Flags().GetBool("capture"); wantCapture {
+		captureTimeout := duration + 30*time.Second
+		const maxBundleCapture = 10 * time.Minute
+		if captureTimeout > maxBundleCapture {
+			captureTimeout = maxBundleCapture
+		}
+		_, err := client.StartBundleCapture(cmd.Context(), &proto.StartBundleCaptureRequest{
+			Timeout: durationpb.New(captureTimeout),
+		})
+		if err != nil {
+			cmd.PrintErrf("Failed to start packet capture: %v\n", status.Convert(err).Message())
+		} else {
+			captureStarted = true
+			cmd.Println("Packet capture started.")
+			// Safety: always stop on exit, even if the normal stop below runs too.
+			defer func() {
+				if captureStarted {
+					stopCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+					defer cancel()
+					if _, err := client.StopBundleCapture(stopCtx, &proto.StopBundleCaptureRequest{}); err != nil {
+						cmd.PrintErrf("Failed to stop packet capture: %v\n", err)
+					}
+				}
+			}()
+		}
+	}
+
 	if waitErr := waitForDurationOrCancel(cmd.Context(), duration, cmd); waitErr != nil {
 		return waitErr
 	}
 	cmd.Println("\nDuration completed")
 
+	if captureStarted {
+		stopCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+		defer cancel()
+		if _, err := client.StopBundleCapture(stopCtx, &proto.StopBundleCaptureRequest{}); err != nil {
+			cmd.PrintErrf("Failed to stop packet capture: %v\n", err)
+		} else {
+			captureStarted = false
+			cmd.Println("Packet capture stopped.")
+		}
+	}
+
 	if cpuProfilingStarted {
 		if _, err := client.StopCPUProfile(cmd.Context(), &proto.StopCPUProfileRequest{}); err != nil {
 			cmd.PrintErrf("Failed to stop CPU profiling: %v\n", err)
@@ -416,4 +456,5 @@ func init() {
 	forCmd.Flags().BoolVarP(&systemInfoFlag, "system-info", "S", true, "Adds system information to the debug bundle")
 	forCmd.Flags().BoolVarP(&uploadBundleFlag, "upload-bundle", "U", false, "Uploads the debug bundle to a server")
 	forCmd.Flags().StringVar(&uploadBundleURLFlag, "upload-bundle-url", types.DefaultBundleURL, "Service URL to get an URL to upload the debug bundle")
+	forCmd.Flags().Bool("capture", false, "Capture packets during the debug duration and include in bundle")
 }

client/cmd/root.go

@@ -75,6 +75,7 @@ var (
 	mtu                     uint16
 	profilesDisabled        bool
 	updateSettingsDisabled  bool
+	captureEnabled          bool
 	networksDisabled        bool
 
 	rootCmd = &cobra.Command{

client/cmd/service.go

@@ -44,6 +44,7 @@ func init() {
 	serviceCmd.AddCommand(runCmd, startCmd, stopCmd, restartCmd, svcStatusCmd, installCmd, uninstallCmd, reconfigureCmd, resetParamsCmd)
 	serviceCmd.PersistentFlags().BoolVar(&profilesDisabled, "disable-profiles", false, "Disables profiles feature. If enabled, the client will not be able to change or edit any profile. To persist this setting, use: netbird service install --disable-profiles")
 	serviceCmd.PersistentFlags().BoolVar(&updateSettingsDisabled, "disable-update-settings", false, "Disables update settings feature. If enabled, the client will not be able to change or edit any settings. To persist this setting, use: netbird service install --disable-update-settings")
+	serviceCmd.PersistentFlags().BoolVar(&captureEnabled, "enable-capture", false, "Enables packet capture via 'netbird debug capture'. To persist, use: netbird service install --enable-capture")
 	serviceCmd.PersistentFlags().BoolVar(&networksDisabled, "disable-networks", false, "Disables network selection. If enabled, the client will not allow listing, selecting, or deselecting networks. To persist, use: netbird service install --disable-networks")
 
 	rootCmd.PersistentFlags().StringVarP(&serviceName, "service", "s", defaultServiceName, "Netbird system service name")

client/cmd/service_controller.go

@@ -61,7 +61,7 @@ func (p *program) Start(svc service.Service) error {
 			}
 		}
 
-		serverInstance := server.New(p.ctx, util.FindFirstLogPath(logFiles), configPath, profilesDisabled, updateSettingsDisabled, networksDisabled)
+		serverInstance := server.New(p.ctx, util.FindFirstLogPath(logFiles), configPath, profilesDisabled, updateSettingsDisabled, captureEnabled, networksDisabled)
 		if err := serverInstance.Start(); err != nil {
 			log.Fatalf("failed to start daemon: %v", err)
 		}

client/cmd/service_installer.go

@@ -59,6 +59,10 @@ func buildServiceArguments() []string {
 		args = append(args, "--disable-update-settings")
 	}
 
+	if captureEnabled {
+		args = append(args, "--enable-capture")
+	}
+
 	if networksDisabled {
 		args = append(args, "--disable-networks")
 	}

client/cmd/service_params.go

@@ -28,6 +28,7 @@ type serviceParams struct {
 	LogFiles              []string          `json:"log_files,omitempty"`
 	DisableProfiles       bool              `json:"disable_profiles,omitempty"`
 	DisableUpdateSettings bool              `json:"disable_update_settings,omitempty"`
+	EnableCapture         bool              `json:"enable_capture,omitempty"`
 	DisableNetworks       bool              `json:"disable_networks,omitempty"`
 	ServiceEnvVars        map[string]string `json:"service_env_vars,omitempty"`
 }
@@ -79,6 +80,7 @@ func currentServiceParams() *serviceParams {
 		LogFiles:              logFiles,
 		DisableProfiles:       profilesDisabled,
 		DisableUpdateSettings: updateSettingsDisabled,
+		EnableCapture:         captureEnabled,
 		DisableNetworks:       networksDisabled,
 	}
 
@@ -144,6 +146,10 @@ func applyServiceParams(cmd *cobra.Command, params *serviceParams) {
 		updateSettingsDisabled = params.DisableUpdateSettings
 	}
 
+	if !serviceCmd.PersistentFlags().Changed("enable-capture") {
+		captureEnabled = params.EnableCapture
+	}
+
 	if !serviceCmd.PersistentFlags().Changed("disable-networks") {
 		networksDisabled = params.DisableNetworks
 	}

client/cmd/service_params_test.go

@@ -535,6 +535,7 @@ func fieldToGlobalVar(field string) string {
 		"LogFiles":              "logFiles",
 		"DisableProfiles":       "profilesDisabled",
 		"DisableUpdateSettings": "updateSettingsDisabled",
+		"EnableCapture":         "captureEnabled",
 		"DisableNetworks":       "networksDisabled",
 		"ServiceEnvVars":        "serviceEnvVars",
 	}

client/cmd/testutil_test.go

@@ -135,7 +135,7 @@ func startManagement(t *testing.T, config *config.Config, testFile string) (*grp
 	if err != nil {
 		t.Fatal(err)
 	}
-	mgmtServer, err := nbgrpc.NewServer(config, accountManager, settingsMockManager, jobManager, secretsManager, nil, nil, &mgmt.MockIntegratedValidator{}, networkMapController, nil)
+	mgmtServer, err := nbgrpc.NewServer(config, accountManager, settingsMockManager, jobManager, secretsManager, nil, nil, &mgmt.MockIntegratedValidator{}, networkMapController, nil, nil)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -160,7 +160,7 @@ func startClientDaemon(
 	s := grpc.NewServer()
 
 	server := client.New(ctx,
-		"", "", false, false, false)
+		"", "", false, false, false, false)
 	if err := server.Start(); err != nil {
 		t.Fatal(err)
 	}

client/embed/capture.go

@@ -0,0 +1,65 @@
+package embed
+
+import (
+	"io"
+
+	"github.com/netbirdio/netbird/client/internal"
+	"github.com/netbirdio/netbird/util/capture"
+)
+
+// CaptureOptions configures a packet capture session.
+type CaptureOptions struct {
+	// Output receives pcap-formatted data. Nil disables pcap output.
+	Output io.Writer
+	// TextOutput receives human-readable packet summaries. Nil disables text output.
+	TextOutput io.Writer
+	// Filter is a BPF-like filter expression (e.g. "host 10.0.0.1 and tcp port 443").
+	// Empty captures all packets.
+	Filter string
+	// Verbose adds seq/ack, TTL, window, and total length to text output.
+	Verbose bool
+	// ASCII dumps transport payload as printable ASCII after each packet line.
+	ASCII bool
+}
+
+// CaptureStats reports capture session counters.
+type CaptureStats struct {
+	Packets int64
+	Bytes   int64
+	Dropped int64
+}
+
+// CaptureSession represents an active packet capture. Call Stop to end the
+// capture and flush buffered packets.
+type CaptureSession struct {
+	sess   *capture.Session
+	engine *internal.Engine
+}
+
+// Stop ends the capture, flushes remaining packets, and detaches from the device.
+// Safe to call multiple times.
+func (cs *CaptureSession) Stop() {
+	if cs.engine != nil {
+		_ = cs.engine.SetCapture(nil)
+		cs.engine = nil
+	}
+	if cs.sess != nil {
+		cs.sess.Stop()
+	}
+}
+
+// Stats returns current capture counters.
+func (cs *CaptureSession) Stats() CaptureStats {
+	s := cs.sess.Stats()
+	return CaptureStats{
+		Packets: s.Packets,
+		Bytes:   s.Bytes,
+		Dropped: s.Dropped,
+	}
+}
+
+// Done returns a channel that is closed when the capture's writer goroutine
+// has fully exited and all buffered packets have been flushed.
+func (cs *CaptureSession) Done() <-chan struct{} {
+	return cs.sess.Done()
+}

client/embed/embed.go

@@ -24,6 +24,7 @@ import (
 	"github.com/netbirdio/netbird/client/system"
 	"github.com/netbirdio/netbird/shared/management/domain"
 	mgmProto "github.com/netbirdio/netbird/shared/management/proto"
+	"github.com/netbirdio/netbird/util/capture"
 )
 
 var (
@@ -65,7 +66,7 @@ type Options struct {
 	PrivateKey string
 	// ManagementURL overrides the default management server URL
 	ManagementURL string
-	// PreSharedKey is the pre-shared key for the WireGuard interface
+	// PreSharedKey is the pre-shared key for the tunnel interface
 	PreSharedKey string
 	// LogOutput is the output destination for logs (defaults to os.Stderr if nil)
 	LogOutput io.Writer
@@ -83,9 +84,9 @@ type Options struct {
 	DisableIPv6 bool
 	// BlockInbound blocks all inbound connections from peers
 	BlockInbound bool
-	// WireguardPort is the port for the WireGuard interface. Use 0 for a random port.
+	// WireguardPort is the port for the tunnel interface. Use 0 for a random port.
 	WireguardPort *int
-	// MTU is the MTU for the WireGuard interface.
+	// MTU is the MTU for the tunnel interface.
 	// Valid values are in the range 576..8192 bytes.
 	// If non-nil, this value overrides any value stored in the config file.
 	// If nil, the existing config MTU (if non-zero) is preserved; otherwise it defaults to 1280.
@@ -472,6 +473,52 @@ func (c *Client) VerifySSHHostKey(peerAddress string, key []byte) error {
 	return sshcommon.VerifyHostKey(storedKey, key, peerAddress)
 }
 
+// StartCapture begins capturing packets on this client's tunnel device.
+// Only one capture can be active at a time; starting a new one stops the previous.
+// Call StopCapture (or CaptureSession.Stop) to end it.
+func (c *Client) StartCapture(opts CaptureOptions) (*CaptureSession, error) {
+	engine, err := c.getEngine()
+	if err != nil {
+		return nil, err
+	}
+
+	var matcher capture.Matcher
+	if opts.Filter != "" {
+		m, err := capture.ParseFilter(opts.Filter)
+		if err != nil {
+			return nil, fmt.Errorf("parse filter: %w", err)
+		}
+		matcher = m
+	}
+
+	sess, err := capture.NewSession(capture.Options{
+		Output:     opts.Output,
+		TextOutput: opts.TextOutput,
+		Matcher:    matcher,
+		Verbose:    opts.Verbose,
+		ASCII:      opts.ASCII,
+	})
+	if err != nil {
+		return nil, fmt.Errorf("create capture session: %w", err)
+	}
+
+	if err := engine.SetCapture(sess); err != nil {
+		sess.Stop()
+		return nil, fmt.Errorf("set capture: %w", err)
+	}
+
+	return &CaptureSession{sess: sess, engine: engine}, nil
+}
+
+// StopCapture stops the active capture session if one is running.
+func (c *Client) StopCapture() error {
+	engine, err := c.getEngine()
+	if err != nil {
+		return err
+	}
+	return engine.SetCapture(nil)
+}
+
 // getEngine safely retrieves the engine from the client with proper locking.
 // Returns ErrClientNotStarted if the client is not started.
 // Returns ErrEngineNotStarted if the engine is not available.

client/firewall/uspfilter/filter.go

@@ -117,12 +117,13 @@ type Manager struct {
 
 	localipmanager *localIPManager
 
-	udpTracker  *conntrack.UDPTracker
-	icmpTracker *conntrack.ICMPTracker
-	tcpTracker  *conntrack.TCPTracker
-	forwarder   atomic.Pointer[forwarder.Forwarder]
-	logger      *nblog.Logger
-	flowLogger  nftypes.FlowLogger
+	udpTracker     *conntrack.UDPTracker
+	icmpTracker    *conntrack.ICMPTracker
+	tcpTracker     *conntrack.TCPTracker
+	forwarder      atomic.Pointer[forwarder.Forwarder]
+	pendingCapture atomic.Pointer[forwarder.PacketCapture]
+	logger         *nblog.Logger
+	flowLogger     nftypes.FlowLogger
 
 	blockRule firewall.Rule
 
@@ -398,6 +399,19 @@ func (m *Manager) determineRouting() error {
 	return nil
 }
 
+// SetPacketCapture sets or clears packet capture on the forwarder endpoint.
+// This captures outbound response packets that bypass the FilteredDevice in netstack mode.
+func (m *Manager) SetPacketCapture(pc forwarder.PacketCapture) {
+	if pc == nil {
+		m.pendingCapture.Store(nil)
+	} else {
+		m.pendingCapture.Store(&pc)
+	}
+	if fwder := m.forwarder.Load(); fwder != nil {
+		fwder.SetCapture(pc)
+	}
+}
+
 // initForwarder initializes the forwarder, it disables routing on errors
 func (m *Manager) initForwarder() error {
 	if m.forwarder.Load() != nil {
@@ -419,6 +433,11 @@ func (m *Manager) initForwarder() error {
 
 	m.forwarder.Store(forwarder)
 
+	// Re-load after store: a concurrent SetPacketCapture may have seen forwarder as nil and only updated pendingCapture.
+	if pc := m.pendingCapture.Load(); pc != nil {
+		forwarder.SetCapture(*pc)
+	}
+
 	log.Debug("forwarder initialized")
 
 	return nil
@@ -661,6 +680,7 @@ func (m *Manager) resetState() {
 	}
 
 	if fwder := m.forwarder.Load(); fwder != nil {
+		fwder.SetCapture(nil)
 		fwder.Stop()
 	}
 

client/firewall/uspfilter/forwarder/endpoint.go

@@ -13,12 +13,19 @@ import (
 	nblog "github.com/netbirdio/netbird/client/firewall/uspfilter/log"
 )
 
+// PacketCapture captures raw packets for debugging. Implementations must be
+// safe for concurrent use and must not block.
+type PacketCapture interface {
+	Offer(data []byte, outbound bool)
+}
+
 // endpoint implements stack.LinkEndpoint and handles integration with the wireguard device
 type endpoint struct {
 	logger     *nblog.Logger
 	dispatcher stack.NetworkDispatcher
 	device     *wgdevice.Device
 	mtu        atomic.Uint32
+	capture    atomic.Pointer[PacketCapture]
 }
 
 func (e *endpoint) Attach(dispatcher stack.NetworkDispatcher) {
@@ -64,10 +71,15 @@ func (e *endpoint) WritePackets(pkts stack.PacketBufferList) (int, tcpip.Error)
 			address = header.IPv4(raw).DestinationAddress()
 		}
 
-		if err := e.device.CreateOutboundPacket(data.AsSlice(), address.AsSlice()); err != nil {
+		pktBytes := data.AsSlice()
+		if err := e.device.CreateOutboundPacket(pktBytes, address.AsSlice()); err != nil {
 			e.logger.Error1("CreateOutboundPacket: %v", err)
 			continue
 		}
+
+		if pc := e.capture.Load(); pc != nil {
+			(*pc).Offer(pktBytes, true)
+		}
 		written++
 	}
 

client/firewall/uspfilter/forwarder/forwarder.go

@@ -169,6 +169,16 @@ func New(iface common.IFaceMapper, logger *nblog.Logger, flowLogger nftypes.Flow
 	return f, nil
 }
 
+// SetCapture sets or clears the packet capture on the forwarder endpoint.
+// This captures outbound packets that bypass the FilteredDevice (netstack forwarding).
+func (f *Forwarder) SetCapture(pc PacketCapture) {
+	if pc == nil {
+		f.endpoint.capture.Store(nil)
+		return
+	}
+	f.endpoint.capture.Store(&pc)
+}
+
 func (f *Forwarder) InjectIncomingPacket(payload []byte) error {
 	if len(payload) == 0 {
 		return fmt.Errorf("empty packet")

client/firewall/uspfilter/forwarder/icmp.go

@@ -434,5 +434,9 @@ func (f *Forwarder) injectICMPReply(id stack.TransportEndpointID, icmpPayload []
 		return 0
 	}
 
+	if pc := f.endpoint.capture.Load(); pc != nil {
+		(*pc).Offer(fullPacket, true)
+	}
+
 	return len(fullPacket)
 }

client/iface/device/device_filter.go

@@ -3,6 +3,7 @@ package device
 import (
 	"net/netip"
 	"sync"
+	"sync/atomic"
 
 	"golang.zx2c4.com/wireguard/tun"
 )
@@ -28,11 +29,20 @@ type PacketFilter interface {
 	SetTCPPacketHook(ip netip.Addr, dPort uint16, hook func(packet []byte) bool)
 }
 
+// PacketCapture captures raw packets for debugging. Implementations must be
+// safe for concurrent use and must not block.
+type PacketCapture interface {
+	// Offer submits a packet for capture. outbound is true for packets
+	// leaving the host (Read path), false for packets arriving (Write path).
+	Offer(data []byte, outbound bool)
+}
+
 // FilteredDevice to override Read or Write of packets
 type FilteredDevice struct {
 	tun.Device
 
 	filter    PacketFilter
+	capture   atomic.Pointer[PacketCapture]
 	mutex     sync.RWMutex
 	closeOnce sync.Once
 }
@@ -63,20 +73,25 @@ func (d *FilteredDevice) Read(bufs [][]byte, sizes []int, offset int) (n int, er
 	if n, err = d.Device.Read(bufs, sizes, offset); err != nil {
 		return 0, err
 	}
+
 	d.mutex.RLock()
 	filter := d.filter
 	d.mutex.RUnlock()
 
-	if filter == nil {
-		return
+	if filter != nil {
+		for i := 0; i < n; i++ {
+			if filter.FilterOutbound(bufs[i][offset:offset+sizes[i]], sizes[i]) {
+				bufs = append(bufs[:i], bufs[i+1:]...)
+				sizes = append(sizes[:i], sizes[i+1:]...)
+				n--
+				i--
+			}
+		}
 	}
 
-	for i := 0; i < n; i++ {
-		if filter.FilterOutbound(bufs[i][offset:offset+sizes[i]], sizes[i]) {
-			bufs = append(bufs[:i], bufs[i+1:]...)
-			sizes = append(sizes[:i], sizes[i+1:]...)
-			n--
-			i--
+	if pc := d.capture.Load(); pc != nil {
+		for i := 0; i < n; i++ {
+			(*pc).Offer(bufs[i][offset:offset+sizes[i]], true)
 		}
 	}
 
@@ -85,6 +100,13 @@ func (d *FilteredDevice) Read(bufs [][]byte, sizes []int, offset int) (n int, er
 
 // Write wraps write method with filtering feature
 func (d *FilteredDevice) Write(bufs [][]byte, offset int) (int, error) {
+	// Capture before filtering so dropped packets are still visible in captures.
+	if pc := d.capture.Load(); pc != nil {
+		for _, buf := range bufs {
+			(*pc).Offer(buf[offset:], false)
+		}
+	}
+
 	d.mutex.RLock()
 	filter := d.filter
 	d.mutex.RUnlock()
@@ -96,9 +118,10 @@ func (d *FilteredDevice) Write(bufs [][]byte, offset int) (int, error) {
 	filteredBufs := make([][]byte, 0, len(bufs))
 	dropped := 0
 	for _, buf := range bufs {
-		if !filter.FilterInbound(buf[offset:], len(buf)) {
-			filteredBufs = append(filteredBufs, buf)
+		if filter.FilterInbound(buf[offset:], len(buf)) {
 			dropped++
+		} else {
+			filteredBufs = append(filteredBufs, buf)
 		}
 	}
 
@@ -113,3 +136,14 @@ func (d *FilteredDevice) SetFilter(filter PacketFilter) {
 	d.filter = filter
 	d.mutex.Unlock()
 }
+
+// SetCapture sets or clears the packet capture sink. Pass nil to disable.
+// Uses atomic store so the hot path (Read/Write) is a single pointer load
+// with no locking overhead when capture is off.
+func (d *FilteredDevice) SetCapture(pc PacketCapture) {
+	if pc == nil {
+		d.capture.Store(nil)
+		return
+	}
+	d.capture.Store(&pc)
+}

client/iface/device/device_filter_test.go

@@ -158,7 +158,7 @@ func TestDeviceWrapperRead(t *testing.T) {
 			t.Errorf("unexpected error: %v", err)
 			return
 		}
-		if n != 0 {
+		if n != 1 {
 			t.Errorf("expected n=1, got %d", n)
 			return
 		}

client/installer.nsis

@@ -200,9 +200,19 @@ Pop $0
 !macroend
 
 Function .onInit
-SetRegView 64
 StrCpy $INSTDIR "${INSTALL_DIR}"
+; Default autostart to enabled so silent installs (/S) match the interactive default
+StrCpy $AutostartEnabled "1"
+
+; Pre-0.70.1 installers ran without SetRegView, so their uninstall keys live
+; in the 32-bit view. Fall back to it so upgrades still find them.
+SetRegView 64
 ReadRegStr $R0 HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\$(^NAME)" "UninstallString"
+${If} $R0 == ""
+    SetRegView 32
+    ReadRegStr $R0 HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\$(^NAME)" "UninstallString"
+    SetRegView 64
+${EndIf}
 ${If} $R0 != ""
     # if silent install jump to uninstall step
     IfSilent uninstall

client/internal/debug/debug.go

@@ -62,6 +62,7 @@ allocs.prof: Allocations profiling information.
 threadcreate.prof: Thread creation profiling information.
 cpu.prof: CPU profiling information.
 stack_trace.txt: Complete stack traces of all goroutines at the time of bundle creation.
+capture.pcap: Packet capture in pcap format. Only present when capture was running during bundle collection. Omitted from anonymized bundles because it contains raw decrypted packet data.
 
 
 Anonymization Process
@@ -235,6 +236,7 @@ type BundleGenerator struct {
 	logPath        string
 	tempDir        string
 	cpuProfile     []byte
+	capturePath    string
 	refreshStatus  func() // Optional callback to refresh status before bundle generation
 	clientMetrics  MetricsExporter
 
@@ -258,7 +260,8 @@ type GeneratorDependencies struct {
 	LogPath        string
 	TempDir        string // Directory for temporary bundle zip files. If empty, os.TempDir() is used.
 	CPUProfile     []byte
-	RefreshStatus  func() // Optional callback to refresh status before bundle generation
+	CapturePath    string
+	RefreshStatus  func()
 	ClientMetrics  MetricsExporter
 }
 
@@ -278,6 +281,7 @@ func NewBundleGenerator(deps GeneratorDependencies, cfg BundleConfig) *BundleGen
 		logPath:        deps.LogPath,
 		tempDir:        deps.TempDir,
 		cpuProfile:     deps.CPUProfile,
+		capturePath:    deps.CapturePath,
 		refreshStatus:  deps.RefreshStatus,
 		clientMetrics:  deps.ClientMetrics,
 
@@ -347,6 +351,10 @@ func (g *BundleGenerator) createArchive() error {
 		log.Errorf("failed to add CPU profile to debug bundle: %v", err)
 	}
 
+	if err := g.addCaptureFile(); err != nil {
+		log.Errorf("failed to add capture file to debug bundle: %v", err)
+	}
+
 	if err := g.addStackTrace(); err != nil {
 		log.Errorf("failed to add stack trace to debug bundle: %v", err)
 	}
@@ -671,6 +679,29 @@ func (g *BundleGenerator) addCPUProfile() error {
 	return nil
 }
 
+func (g *BundleGenerator) addCaptureFile() error {
+	if g.capturePath == "" {
+		return nil
+	}
+
+	if g.anonymize {
+		log.Info("skipping capture file in anonymized bundle (contains raw packet data)")
+		return nil
+	}
+
+	f, err := os.Open(g.capturePath)
+	if err != nil {
+		return fmt.Errorf("open capture file: %w", err)
+	}
+	defer f.Close()
+
+	if err := g.addFileToZip(f, "capture.pcap"); err != nil {
+		return fmt.Errorf("add capture file to zip: %w", err)
+	}
+
+	return nil
+}
+
 func (g *BundleGenerator) addStackTrace() error {
 	buf := make([]byte, 5242880) // 5 MB buffer
 	n := runtime.Stack(buf, true)

client/internal/engine.go

@@ -28,6 +28,7 @@ import (
 	"github.com/netbirdio/netbird/client/firewall"
 	"github.com/netbirdio/netbird/client/firewall/firewalld"
 	firewallManager "github.com/netbirdio/netbird/client/firewall/manager"
+	"github.com/netbirdio/netbird/client/firewall/uspfilter/forwarder"
 	"github.com/netbirdio/netbird/client/iface"
 	"github.com/netbirdio/netbird/client/iface/device"
 	nbnetstack "github.com/netbirdio/netbird/client/iface/netstack"
@@ -70,6 +71,7 @@ import (
 	signal "github.com/netbirdio/netbird/shared/signal/client"
 	sProto "github.com/netbirdio/netbird/shared/signal/proto"
 	"github.com/netbirdio/netbird/util"
+	"github.com/netbirdio/netbird/util/capture"
 )
 
 // PeerConnectionTimeoutMax is a timeout of an initial connection attempt to a remote peer.
@@ -222,6 +224,8 @@ type Engine struct {
 	portForwardManager *portforward.Manager
 	srWatcher          *guard.SRWatcher
 
+	afpacketCapture *capture.AFPacketCapture
+
 	// Sync response persistence (protected by syncRespMux)
 	syncRespMux         sync.RWMutex
 	persistSyncResponse bool
@@ -1790,6 +1794,11 @@ func (e *Engine) parseNATExternalIPMappings() []string {
 }
 
 func (e *Engine) close() {
+	if e.afpacketCapture != nil {
+		e.afpacketCapture.Stop()
+		e.afpacketCapture = nil
+	}
+
 	log.Debugf("removing Netbird interface %s", e.config.WgIfaceName)
 
 	if e.wgInterface != nil {
@@ -2265,6 +2274,62 @@ func (e *Engine) Address() (netip.Addr, error) {
 	return e.wgInterface.Address().IP, nil
 }
 
+// SetCapture sets or clears packet capture on the WireGuard device.
+// On userspace WireGuard, it taps the FilteredDevice directly.
+// On kernel WireGuard (Linux), it falls back to AF_PACKET raw socket capture.
+// Pass nil to disable capture.
+func (e *Engine) SetCapture(pc device.PacketCapture) error {
+	e.syncMsgMux.Lock()
+	defer e.syncMsgMux.Unlock()
+
+	intf := e.wgInterface
+	if intf == nil {
+		return errors.New("wireguard interface not initialized")
+	}
+
+	if e.afpacketCapture != nil {
+		e.afpacketCapture.Stop()
+		e.afpacketCapture = nil
+	}
+
+	dev := intf.GetDevice()
+	if dev != nil {
+		dev.SetCapture(pc)
+		e.setForwarderCapture(pc)
+		return nil
+	}
+
+	// Kernel mode: no FilteredDevice. Use AF_PACKET on Linux.
+	if pc == nil {
+		return nil
+	}
+	sess, ok := pc.(*capture.Session)
+	if !ok {
+		return errors.New("filtered device not available and AF_PACKET requires *capture.Session")
+	}
+
+	afc := capture.NewAFPacketCapture(intf.Name(), sess)
+	if err := afc.Start(); err != nil {
+		return fmt.Errorf("start AF_PACKET capture on %s: %w", intf.Name(), err)
+	}
+	e.afpacketCapture = afc
+	return nil
+}
+
+// setForwarderCapture propagates capture to the USP filter's forwarder endpoint.
+// This captures outbound response packets that bypass the FilteredDevice in netstack mode.
+func (e *Engine) setForwarderCapture(pc device.PacketCapture) {
+	if e.firewall == nil {
+		return
+	}
+	type forwarderCapturer interface {
+		SetPacketCapture(pc forwarder.PacketCapture)
+	}
+	if fc, ok := e.firewall.(forwarderCapturer); ok {
+		fc.SetPacketCapture(pc)
+	}
+}
+
 func (e *Engine) updateForwardRules(rules []*mgmProto.ForwardingRule) ([]firewallManager.ForwardRule, error) {
 	if e.firewall == nil {
 		log.Warn("firewall is disabled, not updating forwarding rules")

client/internal/engine_test.go

@@ -1672,7 +1672,7 @@ func startManagement(t *testing.T, dataDir, testFile string) (*grpc.Server, stri
 	if err != nil {
 		return nil, "", err
 	}
-	mgmtServer, err := nbgrpc.NewServer(config, accountManager, settingsMockManager, jobManager, secretsManager, nil, nil, &server.MockIntegratedValidator{}, networkMapController, nil)
+	mgmtServer, err := nbgrpc.NewServer(config, accountManager, settingsMockManager, jobManager, secretsManager, nil, nil, &server.MockIntegratedValidator{}, networkMapController, nil, nil)
 	if err != nil {
 		return nil, "", err
 	}

client/internal/lazyconn/activity/listener_bind_test.go

@@ -3,7 +3,6 @@ package activity
 import (
 	"net"
 	"net/netip"
-	"runtime"
 	"testing"
 	"time"
 
@@ -18,10 +17,6 @@ import (
 	peerid "github.com/netbirdio/netbird/client/internal/peer/id"
 )
 
-func isBindListenerPlatform() bool {
-	return runtime.GOOS == "windows" || runtime.GOOS == "js"
-}
-
 // mockEndpointManager implements device.EndpointManager for testing
 type mockEndpointManager struct {
 	endpoints map[netip.Addr]net.Conn
@@ -181,10 +176,6 @@ func TestBindListener_Close(t *testing.T) {
 }
 
 func TestManager_BindMode(t *testing.T) {
-	if !isBindListenerPlatform() {
-		t.Skip("BindListener only used on Windows/JS platforms")
-	}
-
 	mockEndpointMgr := newMockEndpointManager()
 	mockIface := &MockWGIfaceBind{endpointMgr: mockEndpointMgr}
 
@@ -226,10 +217,6 @@ func TestManager_BindMode(t *testing.T) {
 }
 
 func TestManager_BindMode_MultiplePeers(t *testing.T) {
-	if !isBindListenerPlatform() {
-		t.Skip("BindListener only used on Windows/JS platforms")
-	}
-
 	mockEndpointMgr := newMockEndpointManager()
 	mockIface := &MockWGIfaceBind{endpointMgr: mockEndpointMgr}
 

client/internal/lazyconn/activity/manager.go

@@ -4,14 +4,12 @@ import (
 	"errors"
 	"net"
 	"net/netip"
-	"runtime"
 	"sync"
 	"time"
 
 	log "github.com/sirupsen/logrus"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
 
-	"github.com/netbirdio/netbird/client/iface/netstack"
 	"github.com/netbirdio/netbird/client/iface/wgaddr"
 	"github.com/netbirdio/netbird/client/internal/lazyconn"
 	peerid "github.com/netbirdio/netbird/client/internal/peer/id"
@@ -75,16 +73,6 @@ func (m *Manager) createListener(peerCfg lazyconn.PeerConfig) (listener, error)
 		return NewUDPListener(m.wgIface, peerCfg)
 	}
 
-	// BindListener is used on Windows, JS, and netstack platforms:
-	// - JS: Cannot listen to UDP sockets
-	// - Windows: IP_UNICAST_IF socket option forces packets out the interface the default
-	//   gateway points to, preventing them from reaching the loopback interface.
-	// - Netstack: Allows multiple instances on the same host without port conflicts.
-	// BindListener bypasses these issues by passing data directly through the bind.
-	if runtime.GOOS != "windows" && runtime.GOOS != "js" && !netstack.IsEnabled() {
-		return NewUDPListener(m.wgIface, peerCfg)
-	}
-
 	provider, ok := m.wgIface.(bindProvider)
 	if !ok {
 		return nil, errors.New("interface claims userspace bind but doesn't implement bindProvider")

client/internal/lazyconn/manager/manager.go

@@ -6,7 +6,6 @@ import (
 	"time"
 
 	log "github.com/sirupsen/logrus"
-	"golang.org/x/exp/maps"
 
 	"github.com/netbirdio/netbird/client/internal/lazyconn"
 	"github.com/netbirdio/netbird/client/internal/lazyconn/activity"
@@ -91,8 +90,8 @@ func (m *Manager) UpdateRouteHAMap(haMap route.HAMap) {
 	m.routesMu.Lock()
 	defer m.routesMu.Unlock()
 
-	maps.Clear(m.peerToHAGroups)
-	maps.Clear(m.haGroupToPeers)
+	clear(m.peerToHAGroups)
+	clear(m.haGroupToPeers)
 
 	for haUniqueID, routes := range haMap {
 		var peers []string

client/internal/netflow/store/memory.go

@@ -3,8 +3,6 @@ package store
 import (
 	"sync"
 
-	"golang.org/x/exp/maps"
-
 	"github.com/google/uuid"
 
 	"github.com/netbirdio/netbird/client/internal/netflow/types"
@@ -30,7 +28,7 @@ func (m *Memory) StoreEvent(event *types.Event) {
 func (m *Memory) Close() {
 	m.mux.Lock()
 	defer m.mux.Unlock()
-	maps.Clear(m.events)
+	clear(m.events)
 }
 
 func (m *Memory) GetEvents() []*types.Event {

client/internal/routemanager/systemops/systemops_darwin.go

@@ -89,8 +89,16 @@ func (r *SysOps) installScopedDefaultFor(unspec netip.Addr) (bool, error) {
 		return false, fmt.Errorf("unusable default nexthop for %s (no interface)", unspec)
 	}
 
+	reused := false
 	if err := r.addScopedDefault(unspec, nexthop); err != nil {
-		return false, fmt.Errorf("add scoped default on %s: %w", nexthop.Intf.Name, err)
+		if !errors.Is(err, unix.EEXIST) {
+			return false, fmt.Errorf("add scoped default on %s: %w", nexthop.Intf.Name, err)
+		}
+		// macOS installs its own RTF_IFSCOPE defaults for primary service
+		// selection on multi-NIC setups, so a route on this ifindex can
+		// already exist before we try. Binding to it via IP[V6]_BOUND_IF
+		// still produces the scoped lookup we need.
+		reused = true
 	}
 
 	af := unix.AF_INET
@@ -102,7 +110,11 @@ func (r *SysOps) installScopedDefaultFor(unspec netip.Addr) (bool, error) {
 	if nexthop.IP.IsValid() {
 		via = nexthop.IP.String()
 	}
-	log.Infof("installed scoped default route via %s on %s for %s", via, nexthop.Intf.Name, afOf(unspec))
+	verb := "installed"
+	if reused {
+		verb = "reused existing"
+	}
+	log.Infof("%s scoped default route via %s on %s for %s", verb, via, nexthop.Intf.Name, afOf(unspec))
 	return true, nil
 }
 

client/internal/routeselector/routeselector.go

@@ -7,7 +7,6 @@ import (
 	"sync"
 
 	"github.com/hashicorp/go-multierror"
-	"golang.org/x/exp/maps"
 
 	"github.com/netbirdio/netbird/client/errors"
 	"github.com/netbirdio/netbird/route"
@@ -44,8 +43,8 @@ func (rs *RouteSelector) SelectRoutes(routes []route.NetID, appendRoute bool, al
 		if rs.selectedRoutes == nil {
 			rs.selectedRoutes = map[route.NetID]struct{}{}
 		}
-		maps.Clear(rs.deselectedRoutes)
-		maps.Clear(rs.selectedRoutes)
+		clear(rs.deselectedRoutes)
+		clear(rs.selectedRoutes)
 		for _, r := range allRoutes {
 			rs.deselectedRoutes[r] = struct{}{}
 		}
@@ -78,8 +77,8 @@ func (rs *RouteSelector) SelectAllRoutes() {
 	if rs.selectedRoutes == nil {
 		rs.selectedRoutes = map[route.NetID]struct{}{}
 	}
-	maps.Clear(rs.deselectedRoutes)
-	maps.Clear(rs.selectedRoutes)
+	clear(rs.deselectedRoutes)
+	clear(rs.selectedRoutes)
 }
 
 // DeselectRoutes removes specific routes from the selection.
@@ -116,8 +115,8 @@ func (rs *RouteSelector) DeselectAllRoutes() {
 	if rs.selectedRoutes == nil {
 		rs.selectedRoutes = map[route.NetID]struct{}{}
 	}
-	maps.Clear(rs.deselectedRoutes)
-	maps.Clear(rs.selectedRoutes)
+	clear(rs.deselectedRoutes)
+	clear(rs.selectedRoutes)
 }
 
 // IsSelected checks if a specific route is selected.

client/netbird.wxs

@@ -13,6 +13,9 @@
 
 		<MajorUpgrade AllowSameVersionUpgrades='yes' DowngradeErrorMessage="A newer version of [ProductName] is already installed. Setup will now exit."/>
 
+		<!-- Autostart: enabled by default, disable with AUTOSTART=0 on the msiexec command line -->
+		<Property Id="AUTOSTART" Value="1" />
+
 		<StandardDirectory Id="ProgramFiles64Folder">
 			<Directory Id="NetbirdInstallDir" Name="Netbird">
 				<Component Id="NetbirdFiles" Guid="db3165de-cc6e-4922-8396-9d892950e23e" Bitness="always64">
@@ -63,9 +66,20 @@
 			</Component>
 		</StandardDirectory>
 
+		<StandardDirectory Id="CommonAppDataFolder">
+			<Directory Id="NetbirdAutoStartDir" Name="Netbird">
+				<Component Id="NetbirdAutoStart" Guid="b199eaca-b0dd-4032-af19-679cfad48eb3" Bitness="always64" Condition='AUTOSTART = "1"'>
+					<RegistryValue Root="HKLM" Key="Software\Microsoft\Windows\CurrentVersion\Run"
+						Name="Netbird" Value="&quot;[NetbirdInstallDir]netbird-ui.exe&quot;"
+						Type="string" KeyPath="yes" />
+				</Component>
+			</Directory>
+		</StandardDirectory>
+
 		<ComponentGroup Id="NetbirdFilesComponent">
 			<ComponentRef Id="NetbirdFiles" />
 			<ComponentRef Id="NetbirdAumidRegistry" />
+			<ComponentRef Id="NetbirdAutoStart" />
 		</ComponentGroup>
 
 		<util:CloseApplication Id="CloseNetBird" CloseMessage="no" Target="netbird.exe" RebootPrompt="no" />

client/proto/daemon.pb.go

@@ -5887,6 +5887,288 @@ func (x *ExposeServiceReady) GetPortAutoAssigned() bool {
 	return false
 }
 
+type StartCaptureRequest struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	TextOutput    bool                   `protobuf:"varint,1,opt,name=text_output,json=textOutput,proto3" json:"text_output,omitempty"`
+	SnapLen       uint32                 `protobuf:"varint,2,opt,name=snap_len,json=snapLen,proto3" json:"snap_len,omitempty"`
+	Duration      *durationpb.Duration   `protobuf:"bytes,3,opt,name=duration,proto3" json:"duration,omitempty"`
+	FilterExpr    string                 `protobuf:"bytes,4,opt,name=filter_expr,json=filterExpr,proto3" json:"filter_expr,omitempty"`
+	Verbose       bool                   `protobuf:"varint,5,opt,name=verbose,proto3" json:"verbose,omitempty"`
+	Ascii         bool                   `protobuf:"varint,6,opt,name=ascii,proto3" json:"ascii,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *StartCaptureRequest) Reset() {
+	*x = StartCaptureRequest{}
+	mi := &file_daemon_proto_msgTypes[88]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *StartCaptureRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*StartCaptureRequest) ProtoMessage() {}
+
+func (x *StartCaptureRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_daemon_proto_msgTypes[88]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use StartCaptureRequest.ProtoReflect.Descriptor instead.
+func (*StartCaptureRequest) Descriptor() ([]byte, []int) {
+	return file_daemon_proto_rawDescGZIP(), []int{88}
+}
+
+func (x *StartCaptureRequest) GetTextOutput() bool {
+	if x != nil {
+		return x.TextOutput
+	}
+	return false
+}
+
+func (x *StartCaptureRequest) GetSnapLen() uint32 {
+	if x != nil {
+		return x.SnapLen
+	}
+	return 0
+}
+
+func (x *StartCaptureRequest) GetDuration() *durationpb.Duration {
+	if x != nil {
+		return x.Duration
+	}
+	return nil
+}
+
+func (x *StartCaptureRequest) GetFilterExpr() string {
+	if x != nil {
+		return x.FilterExpr
+	}
+	return ""
+}
+
+func (x *StartCaptureRequest) GetVerbose() bool {
+	if x != nil {
+		return x.Verbose
+	}
+	return false
+}
+
+func (x *StartCaptureRequest) GetAscii() bool {
+	if x != nil {
+		return x.Ascii
+	}
+	return false
+}
+
+type CapturePacket struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Data          []byte                 `protobuf:"bytes,1,opt,name=data,proto3" json:"data,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *CapturePacket) Reset() {
+	*x = CapturePacket{}
+	mi := &file_daemon_proto_msgTypes[89]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *CapturePacket) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CapturePacket) ProtoMessage() {}
+
+func (x *CapturePacket) ProtoReflect() protoreflect.Message {
+	mi := &file_daemon_proto_msgTypes[89]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CapturePacket.ProtoReflect.Descriptor instead.
+func (*CapturePacket) Descriptor() ([]byte, []int) {
+	return file_daemon_proto_rawDescGZIP(), []int{89}
+}
+
+func (x *CapturePacket) GetData() []byte {
+	if x != nil {
+		return x.Data
+	}
+	return nil
+}
+
+type StartBundleCaptureRequest struct {
+	state protoimpl.MessageState `protogen:"open.v1"`
+	// timeout auto-stops the capture after this duration.
+	// Clamped to a server-side maximum (10 minutes). Zero or unset defaults to the maximum.
+	Timeout       *durationpb.Duration `protobuf:"bytes,1,opt,name=timeout,proto3" json:"timeout,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *StartBundleCaptureRequest) Reset() {
+	*x = StartBundleCaptureRequest{}
+	mi := &file_daemon_proto_msgTypes[90]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *StartBundleCaptureRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*StartBundleCaptureRequest) ProtoMessage() {}
+
+func (x *StartBundleCaptureRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_daemon_proto_msgTypes[90]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use StartBundleCaptureRequest.ProtoReflect.Descriptor instead.
+func (*StartBundleCaptureRequest) Descriptor() ([]byte, []int) {
+	return file_daemon_proto_rawDescGZIP(), []int{90}
+}
+
+func (x *StartBundleCaptureRequest) GetTimeout() *durationpb.Duration {
+	if x != nil {
+		return x.Timeout
+	}
+	return nil
+}
+
+type StartBundleCaptureResponse struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *StartBundleCaptureResponse) Reset() {
+	*x = StartBundleCaptureResponse{}
+	mi := &file_daemon_proto_msgTypes[91]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *StartBundleCaptureResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*StartBundleCaptureResponse) ProtoMessage() {}
+
+func (x *StartBundleCaptureResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_daemon_proto_msgTypes[91]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use StartBundleCaptureResponse.ProtoReflect.Descriptor instead.
+func (*StartBundleCaptureResponse) Descriptor() ([]byte, []int) {
+	return file_daemon_proto_rawDescGZIP(), []int{91}
+}
+
+type StopBundleCaptureRequest struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *StopBundleCaptureRequest) Reset() {
+	*x = StopBundleCaptureRequest{}
+	mi := &file_daemon_proto_msgTypes[92]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *StopBundleCaptureRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*StopBundleCaptureRequest) ProtoMessage() {}
+
+func (x *StopBundleCaptureRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_daemon_proto_msgTypes[92]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use StopBundleCaptureRequest.ProtoReflect.Descriptor instead.
+func (*StopBundleCaptureRequest) Descriptor() ([]byte, []int) {
+	return file_daemon_proto_rawDescGZIP(), []int{92}
+}
+
+type StopBundleCaptureResponse struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *StopBundleCaptureResponse) Reset() {
+	*x = StopBundleCaptureResponse{}
+	mi := &file_daemon_proto_msgTypes[93]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *StopBundleCaptureResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*StopBundleCaptureResponse) ProtoMessage() {}
+
+func (x *StopBundleCaptureResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_daemon_proto_msgTypes[93]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use StopBundleCaptureResponse.ProtoReflect.Descriptor instead.
+func (*StopBundleCaptureResponse) Descriptor() ([]byte, []int) {
+	return file_daemon_proto_rawDescGZIP(), []int{93}
+}
+
 type PortInfo_Range struct {
 	state         protoimpl.MessageState `protogen:"open.v1"`
 	Start         uint32                 `protobuf:"varint,1,opt,name=start,proto3" json:"start,omitempty"`
@@ -5897,7 +6179,7 @@ type PortInfo_Range struct {
 
 func (x *PortInfo_Range) Reset() {
 	*x = PortInfo_Range{}
-	mi := &file_daemon_proto_msgTypes[89]
+	mi := &file_daemon_proto_msgTypes[95]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -5909,7 +6191,7 @@ func (x *PortInfo_Range) String() string {
 func (*PortInfo_Range) ProtoMessage() {}
 
 func (x *PortInfo_Range) ProtoReflect() protoreflect.Message {
-	mi := &file_daemon_proto_msgTypes[89]
+	mi := &file_daemon_proto_msgTypes[95]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -6457,7 +6739,23 @@ const file_daemon_proto_rawDesc = "" +
 	"\vservice_url\x18\x02 \x01(\tR\n" +
 	"serviceUrl\x12\x16\n" +
 	"\x06domain\x18\x03 \x01(\tR\x06domain\x12,\n" +
-	"\x12port_auto_assigned\x18\x04 \x01(\bR\x10portAutoAssigned*b\n" +
+	"\x12port_auto_assigned\x18\x04 \x01(\bR\x10portAutoAssigned\"\xd9\x01\n" +
+	"\x13StartCaptureRequest\x12\x1f\n" +
+	"\vtext_output\x18\x01 \x01(\bR\n" +
+	"textOutput\x12\x19\n" +
+	"\bsnap_len\x18\x02 \x01(\rR\asnapLen\x125\n" +
+	"\bduration\x18\x03 \x01(\v2\x19.google.protobuf.DurationR\bduration\x12\x1f\n" +
+	"\vfilter_expr\x18\x04 \x01(\tR\n" +
+	"filterExpr\x12\x18\n" +
+	"\averbose\x18\x05 \x01(\bR\averbose\x12\x14\n" +
+	"\x05ascii\x18\x06 \x01(\bR\x05ascii\"#\n" +
+	"\rCapturePacket\x12\x12\n" +
+	"\x04data\x18\x01 \x01(\fR\x04data\"P\n" +
+	"\x19StartBundleCaptureRequest\x123\n" +
+	"\atimeout\x18\x01 \x01(\v2\x19.google.protobuf.DurationR\atimeout\"\x1c\n" +
+	"\x1aStartBundleCaptureResponse\"\x1a\n" +
+	"\x18StopBundleCaptureRequest\"\x1b\n" +
+	"\x19StopBundleCaptureResponse*b\n" +
 	"\bLogLevel\x12\v\n" +
 	"\aUNKNOWN\x10\x00\x12\t\n" +
 	"\x05PANIC\x10\x01\x12\t\n" +
@@ -6475,7 +6773,7 @@ const file_daemon_proto_rawDesc = "" +
 	"\n" +
 	"EXPOSE_UDP\x10\x03\x12\x0e\n" +
 	"\n" +
-	"EXPOSE_TLS\x10\x042\xac\x15\n" +
+	"EXPOSE_TLS\x10\x042\xaf\x17\n" +
 	"\rDaemonService\x126\n" +
 	"\x05Login\x12\x14.daemon.LoginRequest\x1a\x15.daemon.LoginResponse\"\x00\x12K\n" +
 	"\fWaitSSOLogin\x12\x1b.daemon.WaitSSOLoginRequest\x1a\x1c.daemon.WaitSSOLoginResponse\"\x00\x12-\n" +
@@ -6496,7 +6794,10 @@ const file_daemon_proto_rawDesc = "" +
 	"CleanState\x12\x19.daemon.CleanStateRequest\x1a\x1a.daemon.CleanStateResponse\"\x00\x12H\n" +
 	"\vDeleteState\x12\x1a.daemon.DeleteStateRequest\x1a\x1b.daemon.DeleteStateResponse\"\x00\x12u\n" +
 	"\x1aSetSyncResponsePersistence\x12).daemon.SetSyncResponsePersistenceRequest\x1a*.daemon.SetSyncResponsePersistenceResponse\"\x00\x12H\n" +
-	"\vTracePacket\x12\x1a.daemon.TracePacketRequest\x1a\x1b.daemon.TracePacketResponse\"\x00\x12D\n" +
+	"\vTracePacket\x12\x1a.daemon.TracePacketRequest\x1a\x1b.daemon.TracePacketResponse\"\x00\x12F\n" +
+	"\fStartCapture\x12\x1b.daemon.StartCaptureRequest\x1a\x15.daemon.CapturePacket\"\x000\x01\x12]\n" +
+	"\x12StartBundleCapture\x12!.daemon.StartBundleCaptureRequest\x1a\".daemon.StartBundleCaptureResponse\"\x00\x12Z\n" +
+	"\x11StopBundleCapture\x12 .daemon.StopBundleCaptureRequest\x1a!.daemon.StopBundleCaptureResponse\"\x00\x12D\n" +
 	"\x0fSubscribeEvents\x12\x18.daemon.SubscribeRequest\x1a\x13.daemon.SystemEvent\"\x000\x01\x12B\n" +
 	"\tGetEvents\x12\x18.daemon.GetEventsRequest\x1a\x19.daemon.GetEventsResponse\"\x00\x12N\n" +
 	"\rSwitchProfile\x12\x1c.daemon.SwitchProfileRequest\x1a\x1d.daemon.SwitchProfileResponse\"\x00\x12B\n" +
@@ -6530,7 +6831,7 @@ func file_daemon_proto_rawDescGZIP() []byte {
 }
 
 var file_daemon_proto_enumTypes = make([]protoimpl.EnumInfo, 4)
-var file_daemon_proto_msgTypes = make([]protoimpl.MessageInfo, 91)
+var file_daemon_proto_msgTypes = make([]protoimpl.MessageInfo, 97)
 var file_daemon_proto_goTypes = []any{
 	(LogLevel)(0),                              // 0: daemon.LogLevel
 	(ExposeProtocol)(0),                        // 1: daemon.ExposeProtocol
@@ -6624,125 +6925,139 @@ var file_daemon_proto_goTypes = []any{
 	(*ExposeServiceRequest)(nil),               // 89: daemon.ExposeServiceRequest
 	(*ExposeServiceEvent)(nil),                 // 90: daemon.ExposeServiceEvent
 	(*ExposeServiceReady)(nil),                 // 91: daemon.ExposeServiceReady
-	nil,                                        // 92: daemon.Network.ResolvedIPsEntry
-	(*PortInfo_Range)(nil),                     // 93: daemon.PortInfo.Range
-	nil,                                        // 94: daemon.SystemEvent.MetadataEntry
-	(*durationpb.Duration)(nil),                // 95: google.protobuf.Duration
-	(*timestamppb.Timestamp)(nil),              // 96: google.protobuf.Timestamp
+	(*StartCaptureRequest)(nil),                // 92: daemon.StartCaptureRequest
+	(*CapturePacket)(nil),                      // 93: daemon.CapturePacket
+	(*StartBundleCaptureRequest)(nil),          // 94: daemon.StartBundleCaptureRequest
+	(*StartBundleCaptureResponse)(nil),         // 95: daemon.StartBundleCaptureResponse
+	(*StopBundleCaptureRequest)(nil),           // 96: daemon.StopBundleCaptureRequest
+	(*StopBundleCaptureResponse)(nil),          // 97: daemon.StopBundleCaptureResponse
+	nil,                                        // 98: daemon.Network.ResolvedIPsEntry
+	(*PortInfo_Range)(nil),                     // 99: daemon.PortInfo.Range
+	nil,                                        // 100: daemon.SystemEvent.MetadataEntry
+	(*durationpb.Duration)(nil),                // 101: google.protobuf.Duration
+	(*timestamppb.Timestamp)(nil),              // 102: google.protobuf.Timestamp
 }
 var file_daemon_proto_depIdxs = []int32{
-	95, // 0: daemon.LoginRequest.dnsRouteInterval:type_name -> google.protobuf.Duration
-	25, // 1: daemon.StatusResponse.fullStatus:type_name -> daemon.FullStatus
-	96, // 2: daemon.PeerState.connStatusUpdate:type_name -> google.protobuf.Timestamp
-	96, // 3: daemon.PeerState.lastWireguardHandshake:type_name -> google.protobuf.Timestamp
-	95, // 4: daemon.PeerState.latency:type_name -> google.protobuf.Duration
-	23, // 5: daemon.SSHServerState.sessions:type_name -> daemon.SSHSessionInfo
-	20, // 6: daemon.FullStatus.managementState:type_name -> daemon.ManagementState
-	19, // 7: daemon.FullStatus.signalState:type_name -> daemon.SignalState
-	18, // 8: daemon.FullStatus.localPeerState:type_name -> daemon.LocalPeerState
-	17, // 9: daemon.FullStatus.peers:type_name -> daemon.PeerState
-	21, // 10: daemon.FullStatus.relays:type_name -> daemon.RelayState
-	22, // 11: daemon.FullStatus.dns_servers:type_name -> daemon.NSGroupState
-	55, // 12: daemon.FullStatus.events:type_name -> daemon.SystemEvent
-	24, // 13: daemon.FullStatus.sshServerState:type_name -> daemon.SSHServerState
-	31, // 14: daemon.ListNetworksResponse.routes:type_name -> daemon.Network
-	92, // 15: daemon.Network.resolvedIPs:type_name -> daemon.Network.ResolvedIPsEntry
-	93, // 16: daemon.PortInfo.range:type_name -> daemon.PortInfo.Range
-	32, // 17: daemon.ForwardingRule.destinationPort:type_name -> daemon.PortInfo
-	32, // 18: daemon.ForwardingRule.translatedPort:type_name -> daemon.PortInfo
-	33, // 19: daemon.ForwardingRulesResponse.rules:type_name -> daemon.ForwardingRule
-	0,  // 20: daemon.GetLogLevelResponse.level:type_name -> daemon.LogLevel
-	0,  // 21: daemon.SetLogLevelRequest.level:type_name -> daemon.LogLevel
-	41, // 22: daemon.ListStatesResponse.states:type_name -> daemon.State
-	50, // 23: daemon.TracePacketRequest.tcp_flags:type_name -> daemon.TCPFlags
-	52, // 24: daemon.TracePacketResponse.stages:type_name -> daemon.TraceStage
-	2,  // 25: daemon.SystemEvent.severity:type_name -> daemon.SystemEvent.Severity
-	3,  // 26: daemon.SystemEvent.category:type_name -> daemon.SystemEvent.Category
-	96, // 27: daemon.SystemEvent.timestamp:type_name -> google.protobuf.Timestamp
-	94, // 28: daemon.SystemEvent.metadata:type_name -> daemon.SystemEvent.MetadataEntry
-	55, // 29: daemon.GetEventsResponse.events:type_name -> daemon.SystemEvent
-	95, // 30: daemon.SetConfigRequest.dnsRouteInterval:type_name -> google.protobuf.Duration
-	68, // 31: daemon.ListProfilesResponse.profiles:type_name -> daemon.Profile
-	1,  // 32: daemon.ExposeServiceRequest.protocol:type_name -> daemon.ExposeProtocol
-	91, // 33: daemon.ExposeServiceEvent.ready:type_name -> daemon.ExposeServiceReady
-	30, // 34: daemon.Network.ResolvedIPsEntry.value:type_name -> daemon.IPList
-	5,  // 35: daemon.DaemonService.Login:input_type -> daemon.LoginRequest
-	7,  // 36: daemon.DaemonService.WaitSSOLogin:input_type -> daemon.WaitSSOLoginRequest
-	9,  // 37: daemon.DaemonService.Up:input_type -> daemon.UpRequest
-	11, // 38: daemon.DaemonService.Status:input_type -> daemon.StatusRequest
-	13, // 39: daemon.DaemonService.Down:input_type -> daemon.DownRequest
-	15, // 40: daemon.DaemonService.GetConfig:input_type -> daemon.GetConfigRequest
-	26, // 41: daemon.DaemonService.ListNetworks:input_type -> daemon.ListNetworksRequest
-	28, // 42: daemon.DaemonService.SelectNetworks:input_type -> daemon.SelectNetworksRequest
-	28, // 43: daemon.DaemonService.DeselectNetworks:input_type -> daemon.SelectNetworksRequest
-	4,  // 44: daemon.DaemonService.ForwardingRules:input_type -> daemon.EmptyRequest
-	35, // 45: daemon.DaemonService.DebugBundle:input_type -> daemon.DebugBundleRequest
-	37, // 46: daemon.DaemonService.GetLogLevel:input_type -> daemon.GetLogLevelRequest
-	39, // 47: daemon.DaemonService.SetLogLevel:input_type -> daemon.SetLogLevelRequest
-	42, // 48: daemon.DaemonService.ListStates:input_type -> daemon.ListStatesRequest
-	44, // 49: daemon.DaemonService.CleanState:input_type -> daemon.CleanStateRequest
-	46, // 50: daemon.DaemonService.DeleteState:input_type -> daemon.DeleteStateRequest
-	48, // 51: daemon.DaemonService.SetSyncResponsePersistence:input_type -> daemon.SetSyncResponsePersistenceRequest
-	51, // 52: daemon.DaemonService.TracePacket:input_type -> daemon.TracePacketRequest
-	54, // 53: daemon.DaemonService.SubscribeEvents:input_type -> daemon.SubscribeRequest
-	56, // 54: daemon.DaemonService.GetEvents:input_type -> daemon.GetEventsRequest
-	58, // 55: daemon.DaemonService.SwitchProfile:input_type -> daemon.SwitchProfileRequest
-	60, // 56: daemon.DaemonService.SetConfig:input_type -> daemon.SetConfigRequest
-	62, // 57: daemon.DaemonService.AddProfile:input_type -> daemon.AddProfileRequest
-	64, // 58: daemon.DaemonService.RemoveProfile:input_type -> daemon.RemoveProfileRequest
-	66, // 59: daemon.DaemonService.ListProfiles:input_type -> daemon.ListProfilesRequest
-	69, // 60: daemon.DaemonService.GetActiveProfile:input_type -> daemon.GetActiveProfileRequest
-	71, // 61: daemon.DaemonService.Logout:input_type -> daemon.LogoutRequest
-	73, // 62: daemon.DaemonService.GetFeatures:input_type -> daemon.GetFeaturesRequest
-	75, // 63: daemon.DaemonService.TriggerUpdate:input_type -> daemon.TriggerUpdateRequest
-	77, // 64: daemon.DaemonService.GetPeerSSHHostKey:input_type -> daemon.GetPeerSSHHostKeyRequest
-	79, // 65: daemon.DaemonService.RequestJWTAuth:input_type -> daemon.RequestJWTAuthRequest
-	81, // 66: daemon.DaemonService.WaitJWTToken:input_type -> daemon.WaitJWTTokenRequest
-	83, // 67: daemon.DaemonService.StartCPUProfile:input_type -> daemon.StartCPUProfileRequest
-	85, // 68: daemon.DaemonService.StopCPUProfile:input_type -> daemon.StopCPUProfileRequest
-	87, // 69: daemon.DaemonService.GetInstallerResult:input_type -> daemon.InstallerResultRequest
-	89, // 70: daemon.DaemonService.ExposeService:input_type -> daemon.ExposeServiceRequest
-	6,  // 71: daemon.DaemonService.Login:output_type -> daemon.LoginResponse
-	8,  // 72: daemon.DaemonService.WaitSSOLogin:output_type -> daemon.WaitSSOLoginResponse
-	10, // 73: daemon.DaemonService.Up:output_type -> daemon.UpResponse
-	12, // 74: daemon.DaemonService.Status:output_type -> daemon.StatusResponse
-	14, // 75: daemon.DaemonService.Down:output_type -> daemon.DownResponse
-	16, // 76: daemon.DaemonService.GetConfig:output_type -> daemon.GetConfigResponse
-	27, // 77: daemon.DaemonService.ListNetworks:output_type -> daemon.ListNetworksResponse
-	29, // 78: daemon.DaemonService.SelectNetworks:output_type -> daemon.SelectNetworksResponse
-	29, // 79: daemon.DaemonService.DeselectNetworks:output_type -> daemon.SelectNetworksResponse
-	34, // 80: daemon.DaemonService.ForwardingRules:output_type -> daemon.ForwardingRulesResponse
-	36, // 81: daemon.DaemonService.DebugBundle:output_type -> daemon.DebugBundleResponse
-	38, // 82: daemon.DaemonService.GetLogLevel:output_type -> daemon.GetLogLevelResponse
-	40, // 83: daemon.DaemonService.SetLogLevel:output_type -> daemon.SetLogLevelResponse
-	43, // 84: daemon.DaemonService.ListStates:output_type -> daemon.ListStatesResponse
-	45, // 85: daemon.DaemonService.CleanState:output_type -> daemon.CleanStateResponse
-	47, // 86: daemon.DaemonService.DeleteState:output_type -> daemon.DeleteStateResponse
-	49, // 87: daemon.DaemonService.SetSyncResponsePersistence:output_type -> daemon.SetSyncResponsePersistenceResponse
-	53, // 88: daemon.DaemonService.TracePacket:output_type -> daemon.TracePacketResponse
-	55, // 89: daemon.DaemonService.SubscribeEvents:output_type -> daemon.SystemEvent
-	57, // 90: daemon.DaemonService.GetEvents:output_type -> daemon.GetEventsResponse
-	59, // 91: daemon.DaemonService.SwitchProfile:output_type -> daemon.SwitchProfileResponse
-	61, // 92: daemon.DaemonService.SetConfig:output_type -> daemon.SetConfigResponse
-	63, // 93: daemon.DaemonService.AddProfile:output_type -> daemon.AddProfileResponse
-	65, // 94: daemon.DaemonService.RemoveProfile:output_type -> daemon.RemoveProfileResponse
-	67, // 95: daemon.DaemonService.ListProfiles:output_type -> daemon.ListProfilesResponse
-	70, // 96: daemon.DaemonService.GetActiveProfile:output_type -> daemon.GetActiveProfileResponse
-	72, // 97: daemon.DaemonService.Logout:output_type -> daemon.LogoutResponse
-	74, // 98: daemon.DaemonService.GetFeatures:output_type -> daemon.GetFeaturesResponse
-	76, // 99: daemon.DaemonService.TriggerUpdate:output_type -> daemon.TriggerUpdateResponse
-	78, // 100: daemon.DaemonService.GetPeerSSHHostKey:output_type -> daemon.GetPeerSSHHostKeyResponse
-	80, // 101: daemon.DaemonService.RequestJWTAuth:output_type -> daemon.RequestJWTAuthResponse
-	82, // 102: daemon.DaemonService.WaitJWTToken:output_type -> daemon.WaitJWTTokenResponse
-	84, // 103: daemon.DaemonService.StartCPUProfile:output_type -> daemon.StartCPUProfileResponse
-	86, // 104: daemon.DaemonService.StopCPUProfile:output_type -> daemon.StopCPUProfileResponse
-	88, // 105: daemon.DaemonService.GetInstallerResult:output_type -> daemon.InstallerResultResponse
-	90, // 106: daemon.DaemonService.ExposeService:output_type -> daemon.ExposeServiceEvent
-	71, // [71:107] is the sub-list for method output_type
-	35, // [35:71] is the sub-list for method input_type
-	35, // [35:35] is the sub-list for extension type_name
-	35, // [35:35] is the sub-list for extension extendee
-	0,  // [0:35] is the sub-list for field type_name
+	101, // 0: daemon.LoginRequest.dnsRouteInterval:type_name -> google.protobuf.Duration
+	25,  // 1: daemon.StatusResponse.fullStatus:type_name -> daemon.FullStatus
+	102, // 2: daemon.PeerState.connStatusUpdate:type_name -> google.protobuf.Timestamp
+	102, // 3: daemon.PeerState.lastWireguardHandshake:type_name -> google.protobuf.Timestamp
+	101, // 4: daemon.PeerState.latency:type_name -> google.protobuf.Duration
+	23,  // 5: daemon.SSHServerState.sessions:type_name -> daemon.SSHSessionInfo
+	20,  // 6: daemon.FullStatus.managementState:type_name -> daemon.ManagementState
+	19,  // 7: daemon.FullStatus.signalState:type_name -> daemon.SignalState
+	18,  // 8: daemon.FullStatus.localPeerState:type_name -> daemon.LocalPeerState
+	17,  // 9: daemon.FullStatus.peers:type_name -> daemon.PeerState
+	21,  // 10: daemon.FullStatus.relays:type_name -> daemon.RelayState
+	22,  // 11: daemon.FullStatus.dns_servers:type_name -> daemon.NSGroupState
+	55,  // 12: daemon.FullStatus.events:type_name -> daemon.SystemEvent
+	24,  // 13: daemon.FullStatus.sshServerState:type_name -> daemon.SSHServerState
+	31,  // 14: daemon.ListNetworksResponse.routes:type_name -> daemon.Network
+	98,  // 15: daemon.Network.resolvedIPs:type_name -> daemon.Network.ResolvedIPsEntry
+	99,  // 16: daemon.PortInfo.range:type_name -> daemon.PortInfo.Range
+	32,  // 17: daemon.ForwardingRule.destinationPort:type_name -> daemon.PortInfo
+	32,  // 18: daemon.ForwardingRule.translatedPort:type_name -> daemon.PortInfo
+	33,  // 19: daemon.ForwardingRulesResponse.rules:type_name -> daemon.ForwardingRule
+	0,   // 20: daemon.GetLogLevelResponse.level:type_name -> daemon.LogLevel
+	0,   // 21: daemon.SetLogLevelRequest.level:type_name -> daemon.LogLevel
+	41,  // 22: daemon.ListStatesResponse.states:type_name -> daemon.State
+	50,  // 23: daemon.TracePacketRequest.tcp_flags:type_name -> daemon.TCPFlags
+	52,  // 24: daemon.TracePacketResponse.stages:type_name -> daemon.TraceStage
+	2,   // 25: daemon.SystemEvent.severity:type_name -> daemon.SystemEvent.Severity
+	3,   // 26: daemon.SystemEvent.category:type_name -> daemon.SystemEvent.Category
+	102, // 27: daemon.SystemEvent.timestamp:type_name -> google.protobuf.Timestamp
+	100, // 28: daemon.SystemEvent.metadata:type_name -> daemon.SystemEvent.MetadataEntry
+	55,  // 29: daemon.GetEventsResponse.events:type_name -> daemon.SystemEvent
+	101, // 30: daemon.SetConfigRequest.dnsRouteInterval:type_name -> google.protobuf.Duration
+	68,  // 31: daemon.ListProfilesResponse.profiles:type_name -> daemon.Profile
+	1,   // 32: daemon.ExposeServiceRequest.protocol:type_name -> daemon.ExposeProtocol
+	91,  // 33: daemon.ExposeServiceEvent.ready:type_name -> daemon.ExposeServiceReady
+	101, // 34: daemon.StartCaptureRequest.duration:type_name -> google.protobuf.Duration
+	101, // 35: daemon.StartBundleCaptureRequest.timeout:type_name -> google.protobuf.Duration
+	30,  // 36: daemon.Network.ResolvedIPsEntry.value:type_name -> daemon.IPList
+	5,   // 37: daemon.DaemonService.Login:input_type -> daemon.LoginRequest
+	7,   // 38: daemon.DaemonService.WaitSSOLogin:input_type -> daemon.WaitSSOLoginRequest
+	9,   // 39: daemon.DaemonService.Up:input_type -> daemon.UpRequest
+	11,  // 40: daemon.DaemonService.Status:input_type -> daemon.StatusRequest
+	13,  // 41: daemon.DaemonService.Down:input_type -> daemon.DownRequest
+	15,  // 42: daemon.DaemonService.GetConfig:input_type -> daemon.GetConfigRequest
+	26,  // 43: daemon.DaemonService.ListNetworks:input_type -> daemon.ListNetworksRequest
+	28,  // 44: daemon.DaemonService.SelectNetworks:input_type -> daemon.SelectNetworksRequest
+	28,  // 45: daemon.DaemonService.DeselectNetworks:input_type -> daemon.SelectNetworksRequest
+	4,   // 46: daemon.DaemonService.ForwardingRules:input_type -> daemon.EmptyRequest
+	35,  // 47: daemon.DaemonService.DebugBundle:input_type -> daemon.DebugBundleRequest
+	37,  // 48: daemon.DaemonService.GetLogLevel:input_type -> daemon.GetLogLevelRequest
+	39,  // 49: daemon.DaemonService.SetLogLevel:input_type -> daemon.SetLogLevelRequest
+	42,  // 50: daemon.DaemonService.ListStates:input_type -> daemon.ListStatesRequest
+	44,  // 51: daemon.DaemonService.CleanState:input_type -> daemon.CleanStateRequest
+	46,  // 52: daemon.DaemonService.DeleteState:input_type -> daemon.DeleteStateRequest
+	48,  // 53: daemon.DaemonService.SetSyncResponsePersistence:input_type -> daemon.SetSyncResponsePersistenceRequest
+	51,  // 54: daemon.DaemonService.TracePacket:input_type -> daemon.TracePacketRequest
+	92,  // 55: daemon.DaemonService.StartCapture:input_type -> daemon.StartCaptureRequest
+	94,  // 56: daemon.DaemonService.StartBundleCapture:input_type -> daemon.StartBundleCaptureRequest
+	96,  // 57: daemon.DaemonService.StopBundleCapture:input_type -> daemon.StopBundleCaptureRequest
+	54,  // 58: daemon.DaemonService.SubscribeEvents:input_type -> daemon.SubscribeRequest
+	56,  // 59: daemon.DaemonService.GetEvents:input_type -> daemon.GetEventsRequest
+	58,  // 60: daemon.DaemonService.SwitchProfile:input_type -> daemon.SwitchProfileRequest
+	60,  // 61: daemon.DaemonService.SetConfig:input_type -> daemon.SetConfigRequest
+	62,  // 62: daemon.DaemonService.AddProfile:input_type -> daemon.AddProfileRequest
+	64,  // 63: daemon.DaemonService.RemoveProfile:input_type -> daemon.RemoveProfileRequest
+	66,  // 64: daemon.DaemonService.ListProfiles:input_type -> daemon.ListProfilesRequest
+	69,  // 65: daemon.DaemonService.GetActiveProfile:input_type -> daemon.GetActiveProfileRequest
+	71,  // 66: daemon.DaemonService.Logout:input_type -> daemon.LogoutRequest
+	73,  // 67: daemon.DaemonService.GetFeatures:input_type -> daemon.GetFeaturesRequest
+	75,  // 68: daemon.DaemonService.TriggerUpdate:input_type -> daemon.TriggerUpdateRequest
+	77,  // 69: daemon.DaemonService.GetPeerSSHHostKey:input_type -> daemon.GetPeerSSHHostKeyRequest
+	79,  // 70: daemon.DaemonService.RequestJWTAuth:input_type -> daemon.RequestJWTAuthRequest
+	81,  // 71: daemon.DaemonService.WaitJWTToken:input_type -> daemon.WaitJWTTokenRequest
+	83,  // 72: daemon.DaemonService.StartCPUProfile:input_type -> daemon.StartCPUProfileRequest
+	85,  // 73: daemon.DaemonService.StopCPUProfile:input_type -> daemon.StopCPUProfileRequest
+	87,  // 74: daemon.DaemonService.GetInstallerResult:input_type -> daemon.InstallerResultRequest
+	89,  // 75: daemon.DaemonService.ExposeService:input_type -> daemon.ExposeServiceRequest
+	6,   // 76: daemon.DaemonService.Login:output_type -> daemon.LoginResponse
+	8,   // 77: daemon.DaemonService.WaitSSOLogin:output_type -> daemon.WaitSSOLoginResponse
+	10,  // 78: daemon.DaemonService.Up:output_type -> daemon.UpResponse
+	12,  // 79: daemon.DaemonService.Status:output_type -> daemon.StatusResponse
+	14,  // 80: daemon.DaemonService.Down:output_type -> daemon.DownResponse
+	16,  // 81: daemon.DaemonService.GetConfig:output_type -> daemon.GetConfigResponse
+	27,  // 82: daemon.DaemonService.ListNetworks:output_type -> daemon.ListNetworksResponse
+	29,  // 83: daemon.DaemonService.SelectNetworks:output_type -> daemon.SelectNetworksResponse
+	29,  // 84: daemon.DaemonService.DeselectNetworks:output_type -> daemon.SelectNetworksResponse
+	34,  // 85: daemon.DaemonService.ForwardingRules:output_type -> daemon.ForwardingRulesResponse
+	36,  // 86: daemon.DaemonService.DebugBundle:output_type -> daemon.DebugBundleResponse
+	38,  // 87: daemon.DaemonService.GetLogLevel:output_type -> daemon.GetLogLevelResponse
+	40,  // 88: daemon.DaemonService.SetLogLevel:output_type -> daemon.SetLogLevelResponse
+	43,  // 89: daemon.DaemonService.ListStates:output_type -> daemon.ListStatesResponse
+	45,  // 90: daemon.DaemonService.CleanState:output_type -> daemon.CleanStateResponse
+	47,  // 91: daemon.DaemonService.DeleteState:output_type -> daemon.DeleteStateResponse
+	49,  // 92: daemon.DaemonService.SetSyncResponsePersistence:output_type -> daemon.SetSyncResponsePersistenceResponse
+	53,  // 93: daemon.DaemonService.TracePacket:output_type -> daemon.TracePacketResponse
+	93,  // 94: daemon.DaemonService.StartCapture:output_type -> daemon.CapturePacket
+	95,  // 95: daemon.DaemonService.StartBundleCapture:output_type -> daemon.StartBundleCaptureResponse
+	97,  // 96: daemon.DaemonService.StopBundleCapture:output_type -> daemon.StopBundleCaptureResponse
+	55,  // 97: daemon.DaemonService.SubscribeEvents:output_type -> daemon.SystemEvent
+	57,  // 98: daemon.DaemonService.GetEvents:output_type -> daemon.GetEventsResponse
+	59,  // 99: daemon.DaemonService.SwitchProfile:output_type -> daemon.SwitchProfileResponse
+	61,  // 100: daemon.DaemonService.SetConfig:output_type -> daemon.SetConfigResponse
+	63,  // 101: daemon.DaemonService.AddProfile:output_type -> daemon.AddProfileResponse
+	65,  // 102: daemon.DaemonService.RemoveProfile:output_type -> daemon.RemoveProfileResponse
+	67,  // 103: daemon.DaemonService.ListProfiles:output_type -> daemon.ListProfilesResponse
+	70,  // 104: daemon.DaemonService.GetActiveProfile:output_type -> daemon.GetActiveProfileResponse
+	72,  // 105: daemon.DaemonService.Logout:output_type -> daemon.LogoutResponse
+	74,  // 106: daemon.DaemonService.GetFeatures:output_type -> daemon.GetFeaturesResponse
+	76,  // 107: daemon.DaemonService.TriggerUpdate:output_type -> daemon.TriggerUpdateResponse
+	78,  // 108: daemon.DaemonService.GetPeerSSHHostKey:output_type -> daemon.GetPeerSSHHostKeyResponse
+	80,  // 109: daemon.DaemonService.RequestJWTAuth:output_type -> daemon.RequestJWTAuthResponse
+	82,  // 110: daemon.DaemonService.WaitJWTToken:output_type -> daemon.WaitJWTTokenResponse
+	84,  // 111: daemon.DaemonService.StartCPUProfile:output_type -> daemon.StartCPUProfileResponse
+	86,  // 112: daemon.DaemonService.StopCPUProfile:output_type -> daemon.StopCPUProfileResponse
+	88,  // 113: daemon.DaemonService.GetInstallerResult:output_type -> daemon.InstallerResultResponse
+	90,  // 114: daemon.DaemonService.ExposeService:output_type -> daemon.ExposeServiceEvent
+	76,  // [76:115] is the sub-list for method output_type
+	37,  // [37:76] is the sub-list for method input_type
+	37,  // [37:37] is the sub-list for extension type_name
+	37,  // [37:37] is the sub-list for extension extendee
+	0,   // [0:37] is the sub-list for field type_name
 }
 
 func init() { file_daemon_proto_init() }
@@ -6772,7 +7087,7 @@ func file_daemon_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: unsafe.Slice(unsafe.StringData(file_daemon_proto_rawDesc), len(file_daemon_proto_rawDesc)),
 			NumEnums:      4,
-			NumMessages:   91,
+			NumMessages:   97,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

client/proto/daemon.proto

@@ -64,6 +64,17 @@ service DaemonService {
 
   rpc TracePacket(TracePacketRequest) returns (TracePacketResponse) {}
 
+  // StartCapture begins streaming packet capture on the WireGuard interface.
+  // Requires --enable-capture set at service install/reconfigure time.
+  rpc StartCapture(StartCaptureRequest) returns (stream CapturePacket) {}
+
+  // StartBundleCapture begins capturing packets to a server-side temp file
+  // for inclusion in the next debug bundle. Auto-stops after the given timeout.
+  rpc StartBundleCapture(StartBundleCaptureRequest) returns (StartBundleCaptureResponse) {}
+
+  // StopBundleCapture stops the running bundle capture. Idempotent.
+  rpc StopBundleCapture(StopBundleCaptureRequest) returns (StopBundleCaptureResponse) {}
+
   rpc SubscribeEvents(SubscribeRequest) returns (stream SystemEvent) {}
 
   rpc GetEvents(GetEventsRequest) returns (GetEventsResponse) {}
@@ -838,3 +849,26 @@ message ExposeServiceReady {
   string domain = 3;
   bool port_auto_assigned = 4;
 }
+
+message StartCaptureRequest {
+  bool text_output = 1;
+  uint32 snap_len = 2;
+  google.protobuf.Duration duration = 3;
+  string filter_expr = 4;
+  bool verbose = 5;
+  bool ascii = 6;
+}
+
+message CapturePacket {
+  bytes data = 1;
+}
+
+message StartBundleCaptureRequest {
+  // timeout auto-stops the capture after this duration.
+  // Clamped to a server-side maximum (10 minutes). Zero or unset defaults to the maximum.
+  google.protobuf.Duration timeout = 1;
+}
+
+message StartBundleCaptureResponse {}
+message StopBundleCaptureRequest {}
+message StopBundleCaptureResponse {}

client/proto/daemon_grpc.pb.go

@@ -37,6 +37,9 @@ const (
 	DaemonService_DeleteState_FullMethodName                = "/daemon.DaemonService/DeleteState"
 	DaemonService_SetSyncResponsePersistence_FullMethodName = "/daemon.DaemonService/SetSyncResponsePersistence"
 	DaemonService_TracePacket_FullMethodName                = "/daemon.DaemonService/TracePacket"
+	DaemonService_StartCapture_FullMethodName               = "/daemon.DaemonService/StartCapture"
+	DaemonService_StartBundleCapture_FullMethodName         = "/daemon.DaemonService/StartBundleCapture"
+	DaemonService_StopBundleCapture_FullMethodName          = "/daemon.DaemonService/StopBundleCapture"
 	DaemonService_SubscribeEvents_FullMethodName            = "/daemon.DaemonService/SubscribeEvents"
 	DaemonService_GetEvents_FullMethodName                  = "/daemon.DaemonService/GetEvents"
 	DaemonService_SwitchProfile_FullMethodName              = "/daemon.DaemonService/SwitchProfile"
@@ -96,6 +99,14 @@ type DaemonServiceClient interface {
 	// SetSyncResponsePersistence enables or disables sync response persistence
 	SetSyncResponsePersistence(ctx context.Context, in *SetSyncResponsePersistenceRequest, opts ...grpc.CallOption) (*SetSyncResponsePersistenceResponse, error)
 	TracePacket(ctx context.Context, in *TracePacketRequest, opts ...grpc.CallOption) (*TracePacketResponse, error)
+	// StartCapture begins streaming packet capture on the WireGuard interface.
+	// Requires --enable-capture set at service install/reconfigure time.
+	StartCapture(ctx context.Context, in *StartCaptureRequest, opts ...grpc.CallOption) (grpc.ServerStreamingClient[CapturePacket], error)
+	// StartBundleCapture begins capturing packets to a server-side temp file
+	// for inclusion in the next debug bundle. Auto-stops after the given timeout.
+	StartBundleCapture(ctx context.Context, in *StartBundleCaptureRequest, opts ...grpc.CallOption) (*StartBundleCaptureResponse, error)
+	// StopBundleCapture stops the running bundle capture. Idempotent.
+	StopBundleCapture(ctx context.Context, in *StopBundleCaptureRequest, opts ...grpc.CallOption) (*StopBundleCaptureResponse, error)
 	SubscribeEvents(ctx context.Context, in *SubscribeRequest, opts ...grpc.CallOption) (grpc.ServerStreamingClient[SystemEvent], error)
 	GetEvents(ctx context.Context, in *GetEventsRequest, opts ...grpc.CallOption) (*GetEventsResponse, error)
 	SwitchProfile(ctx context.Context, in *SwitchProfileRequest, opts ...grpc.CallOption) (*SwitchProfileResponse, error)
@@ -313,9 +324,48 @@ func (c *daemonServiceClient) TracePacket(ctx context.Context, in *TracePacketRe
 	return out, nil
 }
 
+func (c *daemonServiceClient) StartCapture(ctx context.Context, in *StartCaptureRequest, opts ...grpc.CallOption) (grpc.ServerStreamingClient[CapturePacket], error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	stream, err := c.cc.NewStream(ctx, &DaemonService_ServiceDesc.Streams[0], DaemonService_StartCapture_FullMethodName, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &grpc.GenericClientStream[StartCaptureRequest, CapturePacket]{ClientStream: stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
+type DaemonService_StartCaptureClient = grpc.ServerStreamingClient[CapturePacket]
+
+func (c *daemonServiceClient) StartBundleCapture(ctx context.Context, in *StartBundleCaptureRequest, opts ...grpc.CallOption) (*StartBundleCaptureResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(StartBundleCaptureResponse)
+	err := c.cc.Invoke(ctx, DaemonService_StartBundleCapture_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *daemonServiceClient) StopBundleCapture(ctx context.Context, in *StopBundleCaptureRequest, opts ...grpc.CallOption) (*StopBundleCaptureResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(StopBundleCaptureResponse)
+	err := c.cc.Invoke(ctx, DaemonService_StopBundleCapture_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *daemonServiceClient) SubscribeEvents(ctx context.Context, in *SubscribeRequest, opts ...grpc.CallOption) (grpc.ServerStreamingClient[SystemEvent], error) {
 	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
-	stream, err := c.cc.NewStream(ctx, &DaemonService_ServiceDesc.Streams[0], DaemonService_SubscribeEvents_FullMethodName, cOpts...)
+	stream, err := c.cc.NewStream(ctx, &DaemonService_ServiceDesc.Streams[1], DaemonService_SubscribeEvents_FullMethodName, cOpts...)
 	if err != nil {
 		return nil, err
 	}
@@ -494,7 +544,7 @@ func (c *daemonServiceClient) GetInstallerResult(ctx context.Context, in *Instal
 
 func (c *daemonServiceClient) ExposeService(ctx context.Context, in *ExposeServiceRequest, opts ...grpc.CallOption) (grpc.ServerStreamingClient[ExposeServiceEvent], error) {
 	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
-	stream, err := c.cc.NewStream(ctx, &DaemonService_ServiceDesc.Streams[1], DaemonService_ExposeService_FullMethodName, cOpts...)
+	stream, err := c.cc.NewStream(ctx, &DaemonService_ServiceDesc.Streams[2], DaemonService_ExposeService_FullMethodName, cOpts...)
 	if err != nil {
 		return nil, err
 	}
@@ -550,6 +600,14 @@ type DaemonServiceServer interface {
 	// SetSyncResponsePersistence enables or disables sync response persistence
 	SetSyncResponsePersistence(context.Context, *SetSyncResponsePersistenceRequest) (*SetSyncResponsePersistenceResponse, error)
 	TracePacket(context.Context, *TracePacketRequest) (*TracePacketResponse, error)
+	// StartCapture begins streaming packet capture on the WireGuard interface.
+	// Requires --enable-capture set at service install/reconfigure time.
+	StartCapture(*StartCaptureRequest, grpc.ServerStreamingServer[CapturePacket]) error
+	// StartBundleCapture begins capturing packets to a server-side temp file
+	// for inclusion in the next debug bundle. Auto-stops after the given timeout.
+	StartBundleCapture(context.Context, *StartBundleCaptureRequest) (*StartBundleCaptureResponse, error)
+	// StopBundleCapture stops the running bundle capture. Idempotent.
+	StopBundleCapture(context.Context, *StopBundleCaptureRequest) (*StopBundleCaptureResponse, error)
 	SubscribeEvents(*SubscribeRequest, grpc.ServerStreamingServer[SystemEvent]) error
 	GetEvents(context.Context, *GetEventsRequest) (*GetEventsResponse, error)
 	SwitchProfile(context.Context, *SwitchProfileRequest) (*SwitchProfileResponse, error)
@@ -641,6 +699,15 @@ func (UnimplementedDaemonServiceServer) SetSyncResponsePersistence(context.Conte
 func (UnimplementedDaemonServiceServer) TracePacket(context.Context, *TracePacketRequest) (*TracePacketResponse, error) {
 	return nil, status.Error(codes.Unimplemented, "method TracePacket not implemented")
 }
+func (UnimplementedDaemonServiceServer) StartCapture(*StartCaptureRequest, grpc.ServerStreamingServer[CapturePacket]) error {
+	return status.Error(codes.Unimplemented, "method StartCapture not implemented")
+}
+func (UnimplementedDaemonServiceServer) StartBundleCapture(context.Context, *StartBundleCaptureRequest) (*StartBundleCaptureResponse, error) {
+	return nil, status.Error(codes.Unimplemented, "method StartBundleCapture not implemented")
+}
+func (UnimplementedDaemonServiceServer) StopBundleCapture(context.Context, *StopBundleCaptureRequest) (*StopBundleCaptureResponse, error) {
+	return nil, status.Error(codes.Unimplemented, "method StopBundleCapture not implemented")
+}
 func (UnimplementedDaemonServiceServer) SubscribeEvents(*SubscribeRequest, grpc.ServerStreamingServer[SystemEvent]) error {
 	return status.Error(codes.Unimplemented, "method SubscribeEvents not implemented")
 }
@@ -1040,6 +1107,53 @@ func _DaemonService_TracePacket_Handler(srv interface{}, ctx context.Context, de
 	return interceptor(ctx, in, info, handler)
 }
 
+func _DaemonService_StartCapture_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(StartCaptureRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(DaemonServiceServer).StartCapture(m, &grpc.GenericServerStream[StartCaptureRequest, CapturePacket]{ServerStream: stream})
+}
+
+// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
+type DaemonService_StartCaptureServer = grpc.ServerStreamingServer[CapturePacket]
+
+func _DaemonService_StartBundleCapture_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(StartBundleCaptureRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DaemonServiceServer).StartBundleCapture(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: DaemonService_StartBundleCapture_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DaemonServiceServer).StartBundleCapture(ctx, req.(*StartBundleCaptureRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _DaemonService_StopBundleCapture_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(StopBundleCaptureRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(DaemonServiceServer).StopBundleCapture(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: DaemonService_StopBundleCapture_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(DaemonServiceServer).StopBundleCapture(ctx, req.(*StopBundleCaptureRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _DaemonService_SubscribeEvents_Handler(srv interface{}, stream grpc.ServerStream) error {
 	m := new(SubscribeRequest)
 	if err := stream.RecvMsg(m); err != nil {
@@ -1429,6 +1543,14 @@ var DaemonService_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "TracePacket",
 			Handler:    _DaemonService_TracePacket_Handler,
 		},
+		{
+			MethodName: "StartBundleCapture",
+			Handler:    _DaemonService_StartBundleCapture_Handler,
+		},
+		{
+			MethodName: "StopBundleCapture",
+			Handler:    _DaemonService_StopBundleCapture_Handler,
+		},
 		{
 			MethodName: "GetEvents",
 			Handler:    _DaemonService_GetEvents_Handler,
@@ -1495,6 +1617,11 @@ var DaemonService_ServiceDesc = grpc.ServiceDesc{
 		},
 	},
 	Streams: []grpc.StreamDesc{
+		{
+			StreamName:    "StartCapture",
+			Handler:       _DaemonService_StartCapture_Handler,
+			ServerStreams: true,
+		},
 		{
 			StreamName:    "SubscribeEvents",
 			Handler:       _DaemonService_SubscribeEvents_Handler,

client/server/capture.go

@@ -0,0 +1,365 @@
+package server
+
+import (
+	"context"
+	"io"
+	"os"
+	"sync"
+	"time"
+
+	log "github.com/sirupsen/logrus"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+
+	"github.com/netbirdio/netbird/client/internal"
+	"github.com/netbirdio/netbird/client/proto"
+	"github.com/netbirdio/netbird/util/capture"
+)
+
+const maxBundleCaptureDuration = 10 * time.Minute
+
+// bundleCapture holds the state of an in-progress capture destined for the
+// debug bundle. The lifecycle is:
+//
+//	StartBundleCapture → capture running, writing to temp file
+//	StopBundleCapture  → capture stopped, temp file available
+//	DebugBundle        → temp file included in zip, then cleaned up
+type bundleCapture struct {
+	mu      sync.Mutex
+	sess    *capture.Session
+	file    *os.File
+	engine  *internal.Engine
+	cancel  context.CancelFunc
+	stopped bool
+}
+
+// stop halts the capture session and closes the pcap writer. Idempotent.
+func (bc *bundleCapture) stop() {
+	bc.mu.Lock()
+	defer bc.mu.Unlock()
+
+	if bc.stopped {
+		return
+	}
+	bc.stopped = true
+
+	if bc.cancel != nil {
+		bc.cancel()
+	}
+	if bc.sess != nil {
+		bc.sess.Stop()
+	}
+}
+
+// path returns the temp file path, or "" if no file exists.
+func (bc *bundleCapture) path() string {
+	if bc.file == nil {
+		return ""
+	}
+	return bc.file.Name()
+}
+
+// cleanup removes the temp file.
+func (bc *bundleCapture) cleanup() {
+	if bc.file == nil {
+		return
+	}
+	name := bc.file.Name()
+	if err := bc.file.Close(); err != nil {
+		log.Debugf("close bundle capture file: %v", err)
+	}
+	if err := os.Remove(name); err != nil && !os.IsNotExist(err) {
+		log.Debugf("remove bundle capture file: %v", err)
+	}
+	bc.file = nil
+}
+
+// StartCapture streams a pcap or text packet capture over gRPC.
+// Gated by the --enable-capture service flag.
+func (s *Server) StartCapture(req *proto.StartCaptureRequest, stream proto.DaemonService_StartCaptureServer) error {
+	if !s.captureEnabled {
+		return status.Error(codes.PermissionDenied,
+			"packet capture is disabled; reinstall or reconfigure the service with --enable-capture")
+	}
+
+	if d := req.GetDuration(); d != nil && d.AsDuration() < 0 {
+		return status.Error(codes.InvalidArgument, "duration must not be negative")
+	}
+
+	matcher, err := parseCaptureFilter(req)
+	if err != nil {
+		return status.Errorf(codes.InvalidArgument, "invalid filter: %v", err)
+	}
+
+	pr, pw := io.Pipe()
+
+	opts := capture.Options{
+		Matcher: matcher,
+		SnapLen: req.GetSnapLen(),
+		Verbose: req.GetVerbose(),
+		ASCII:   req.GetAscii(),
+	}
+	if req.GetTextOutput() {
+		opts.TextOutput = pw
+	} else {
+		opts.Output = pw
+	}
+
+	sess, err := capture.NewSession(opts)
+	if err != nil {
+		pw.Close()
+		return status.Errorf(codes.Internal, "create capture session: %v", err)
+	}
+
+	engine, err := s.claimCapture(sess)
+	if err != nil {
+		sess.Stop()
+		pw.Close()
+		return err
+	}
+
+	if err := engine.SetCapture(sess); err != nil {
+		s.releaseCapture(sess)
+		sess.Stop()
+		pw.Close()
+		return status.Errorf(codes.Internal, "set capture: %v", err)
+	}
+
+	// Send an empty initial message to signal that the capture was accepted.
+	// The client waits for this before printing the banner, so it must arrive
+	// before any packet data.
+	if err := stream.Send(&proto.CapturePacket{}); err != nil {
+		s.clearCaptureIfOwner(sess, engine)
+		sess.Stop()
+		pw.Close()
+		return status.Errorf(codes.Internal, "send initial message: %v", err)
+	}
+
+	ctx := stream.Context()
+	if d := req.GetDuration(); d != nil {
+		if dur := d.AsDuration(); dur > 0 {
+			var cancel context.CancelFunc
+			ctx, cancel = context.WithTimeout(ctx, dur)
+			defer cancel()
+		}
+	}
+
+	go func() {
+		<-ctx.Done()
+		s.clearCaptureIfOwner(sess, engine)
+		sess.Stop()
+		pw.Close()
+	}()
+	defer pr.Close()
+
+	log.Infof("packet capture started (text=%v, expr=%q)", req.GetTextOutput(), req.GetFilterExpr())
+	defer func() {
+		stats := sess.Stats()
+		log.Infof("packet capture stopped: %d packets, %d bytes, %d dropped",
+			stats.Packets, stats.Bytes, stats.Dropped)
+	}()
+
+	return streamToGRPC(pr, stream)
+}
+
+func streamToGRPC(r io.Reader, stream proto.DaemonService_StartCaptureServer) error {
+	buf := make([]byte, 32*1024)
+	for {
+		n, readErr := r.Read(buf)
+		if n > 0 {
+			if err := stream.Send(&proto.CapturePacket{Data: buf[:n]}); err != nil {
+				log.Debugf("capture stream send: %v", err)
+				return nil //nolint:nilerr // client disconnected
+			}
+		}
+		if readErr != nil {
+			return nil //nolint:nilerr // pipe closed, capture stopped normally
+		}
+	}
+}
+
+// StartBundleCapture begins capturing packets to a server-side temp file for
+// inclusion in the next debug bundle. Not gated by --enable-capture since the
+// output stays on the server (same trust level as CPU profiling).
+//
+// A timeout auto-stops the capture as a safety net if StopBundleCapture is
+// never called (e.g. CLI crash).
+func (s *Server) StartBundleCapture(_ context.Context, req *proto.StartBundleCaptureRequest) (*proto.StartBundleCaptureResponse, error) {
+	s.mutex.Lock()
+	defer s.mutex.Unlock()
+
+	s.stopBundleCaptureLocked()
+	s.cleanupBundleCapture()
+
+	if s.activeCapture != nil {
+		return nil, status.Error(codes.FailedPrecondition, "another capture is already running")
+	}
+
+	engine, err := s.getCaptureEngineLocked()
+	if err != nil {
+		// Not fatal: kernel mode or not connected. Log and return success
+		// so the debug bundle still generates without capture data.
+		log.Warnf("packet capture unavailable, skipping: %v", err)
+		return &proto.StartBundleCaptureResponse{}, nil
+	}
+
+	timeout := req.GetTimeout().AsDuration()
+	if timeout <= 0 || timeout > maxBundleCaptureDuration {
+		timeout = maxBundleCaptureDuration
+	}
+
+	f, err := os.CreateTemp("", "netbird.capture.*.pcap")
+	if err != nil {
+		return nil, status.Errorf(codes.Internal, "create temp file: %v", err)
+	}
+
+	sess, err := capture.NewSession(capture.Options{Output: f})
+	if err != nil {
+		f.Close()
+		os.Remove(f.Name())
+		return nil, status.Errorf(codes.Internal, "create capture session: %v", err)
+	}
+
+	if err := engine.SetCapture(sess); err != nil {
+		sess.Stop()
+		f.Close()
+		os.Remove(f.Name())
+		log.Warnf("packet capture unavailable (no filtered device), skipping: %v", err)
+		return &proto.StartBundleCaptureResponse{}, nil
+	}
+	s.activeCapture = sess
+
+	ctx, cancel := context.WithTimeout(context.Background(), timeout)
+	bc := &bundleCapture{
+		sess:   sess,
+		file:   f,
+		engine: engine,
+		cancel: cancel,
+	}
+
+	s.bundleCapture = bc
+
+	go func() {
+		<-ctx.Done()
+		s.mutex.Lock()
+		if s.bundleCapture == bc {
+			s.stopBundleCaptureLocked()
+		} else {
+			bc.stop()
+		}
+		s.mutex.Unlock()
+		log.Infof("bundle capture auto-stopped after timeout")
+	}()
+	log.Infof("bundle capture started (timeout=%s, file=%s)", timeout, f.Name())
+
+	return &proto.StartBundleCaptureResponse{}, nil
+}
+
+// StopBundleCapture stops the running bundle capture. Idempotent.
+func (s *Server) StopBundleCapture(_ context.Context, _ *proto.StopBundleCaptureRequest) (*proto.StopBundleCaptureResponse, error) {
+	s.mutex.Lock()
+	defer s.mutex.Unlock()
+
+	s.stopBundleCaptureLocked()
+	return &proto.StopBundleCaptureResponse{}, nil
+}
+
+// stopBundleCaptureLocked stops the bundle capture if running. Must hold s.mutex.
+func (s *Server) stopBundleCaptureLocked() {
+	if s.bundleCapture == nil {
+		return
+	}
+	bc := s.bundleCapture
+	if bc.engine != nil && s.activeCapture == bc.sess {
+		if err := bc.engine.SetCapture(nil); err != nil {
+			log.Debugf("clear bundle capture: %v", err)
+		}
+		s.activeCapture = nil
+	}
+	bc.stop()
+
+	stats := bc.sess.Stats()
+	log.Infof("bundle capture stopped: %d packets, %d bytes, %d dropped",
+		stats.Packets, stats.Bytes, stats.Dropped)
+}
+
+// bundleCapturePath returns the temp file path if a capture has been taken,
+// stops any running capture, and returns "". Called from DebugBundle.
+// Must hold s.mutex.
+func (s *Server) bundleCapturePath() string {
+	if s.bundleCapture == nil {
+		return ""
+	}
+
+	s.bundleCapture.stop()
+	return s.bundleCapture.path()
+}
+
+// cleanupBundleCapture removes the temp file and clears state. Must hold s.mutex.
+func (s *Server) cleanupBundleCapture() {
+	if s.bundleCapture == nil {
+		return
+	}
+	s.bundleCapture.cleanup()
+	s.bundleCapture = nil
+}
+
+// claimCapture reserves the engine's capture slot for sess. Returns
+// FailedPrecondition if another capture is already active.
+func (s *Server) claimCapture(sess *capture.Session) (*internal.Engine, error) {
+	s.mutex.Lock()
+	defer s.mutex.Unlock()
+
+	if s.activeCapture != nil {
+		return nil, status.Error(codes.FailedPrecondition, "another capture is already running")
+	}
+	engine, err := s.getCaptureEngineLocked()
+	if err != nil {
+		return nil, err
+	}
+	s.activeCapture = sess
+	return engine, nil
+}
+
+// releaseCapture clears the active-capture owner if it still matches sess.
+func (s *Server) releaseCapture(sess *capture.Session) {
+	s.mutex.Lock()
+	defer s.mutex.Unlock()
+	if s.activeCapture == sess {
+		s.activeCapture = nil
+	}
+}
+
+// clearCaptureIfOwner clears engine's capture slot only if sess still owns it.
+func (s *Server) clearCaptureIfOwner(sess *capture.Session, engine *internal.Engine) {
+	s.mutex.Lock()
+	defer s.mutex.Unlock()
+	if s.activeCapture != sess {
+		return
+	}
+	if err := engine.SetCapture(nil); err != nil {
+		log.Debugf("clear capture: %v", err)
+	}
+	s.activeCapture = nil
+}
+
+func (s *Server) getCaptureEngineLocked() (*internal.Engine, error) {
+	if s.connectClient == nil {
+		return nil, status.Error(codes.FailedPrecondition, "client not connected")
+	}
+	engine := s.connectClient.Engine()
+	if engine == nil {
+		return nil, status.Error(codes.FailedPrecondition, "engine not initialized")
+	}
+	return engine, nil
+}
+
+// parseCaptureFilter returns a Matcher from the request.
+// Returns nil (match all) when no filter expression is set.
+func parseCaptureFilter(req *proto.StartCaptureRequest) (capture.Matcher, error) {
+	expr := req.GetFilterExpr()
+	if expr == "" {
+		return nil, nil //nolint:nilnil // nil Matcher means "match all"
+	}
+	return capture.ParseFilter(expr)
+}

client/server/debug.go

@@ -43,7 +43,9 @@ func (s *Server) DebugBundle(_ context.Context, req *proto.DebugBundleRequest) (
 		}()
 	}
 
-	// Prepare refresh callback for health probes
+	capturePath := s.bundleCapturePath()
+	defer s.cleanupBundleCapture()
+
 	var refreshStatus func()
 	if s.connectClient != nil {
 		engine := s.connectClient.Engine()
@@ -62,6 +64,7 @@ func (s *Server) DebugBundle(_ context.Context, req *proto.DebugBundleRequest) (
 			SyncResponse:   syncResponse,
 			LogPath:        s.logFile,
 			CPUProfile:     cpuProfileData,
+			CapturePath:    capturePath,
 			RefreshStatus:  refreshStatus,
 			ClientMetrics:  clientMetrics,
 		},

client/server/server.go

@@ -33,6 +33,7 @@ import (
 	"github.com/netbirdio/netbird/client/internal/statemanager"
 	"github.com/netbirdio/netbird/client/internal/updater"
 	"github.com/netbirdio/netbird/client/proto"
+	"github.com/netbirdio/netbird/util/capture"
 	"github.com/netbirdio/netbird/version"
 )
 
@@ -89,7 +90,11 @@ type Server struct {
 	profileManager         *profilemanager.ServiceManager
 	profilesDisabled       bool
 	updateSettingsDisabled bool
-	networksDisabled       bool
+	captureEnabled         bool
+	bundleCapture          *bundleCapture
+	// activeCapture is the session currently installed on the engine; guarded by s.mutex.
+	activeCapture    *capture.Session
+	networksDisabled bool
 
 	sleepHandler *sleephandler.SleepHandler
 
@@ -106,7 +111,7 @@ type oauthAuthFlow struct {
 }
 
 // New server instance constructor.
-func New(ctx context.Context, logFile string, configFile string, profilesDisabled bool, updateSettingsDisabled bool, networksDisabled bool) *Server {
+func New(ctx context.Context, logFile string, configFile string, profilesDisabled bool, updateSettingsDisabled bool, captureEnabled bool, networksDisabled bool) *Server {
 	s := &Server{
 		rootCtx:                ctx,
 		logFile:                logFile,
@@ -115,6 +120,7 @@ func New(ctx context.Context, logFile string, configFile string, profilesDisable
 		profileManager:         profilemanager.NewServiceManager(configFile),
 		profilesDisabled:       profilesDisabled,
 		updateSettingsDisabled: updateSettingsDisabled,
+		captureEnabled:         captureEnabled,
 		networksDisabled:       networksDisabled,
 		jwtCache:               newJWTCache(),
 	}

client/server/server_test.go

@@ -104,7 +104,7 @@ func TestConnectWithRetryRuns(t *testing.T) {
 		t.Fatalf("failed to set active profile state: %v", err)
 	}
 
-	s := New(ctx, "debug", "", false, false, false)
+	s := New(ctx, "debug", "", false, false, false, false)
 
 	s.config = config
 
@@ -165,7 +165,7 @@ func TestServer_Up(t *testing.T) {
 		t.Fatalf("failed to set active profile state: %v", err)
 	}
 
-	s := New(ctx, "console", "", false, false, false)
+	s := New(ctx, "console", "", false, false, false, false)
 	err = s.Start()
 	require.NoError(t, err)
 
@@ -235,7 +235,7 @@ func TestServer_SubcribeEvents(t *testing.T) {
 		t.Fatalf("failed to set active profile state: %v", err)
 	}
 
-	s := New(ctx, "console", "", false, false, false)
+	s := New(ctx, "console", "", false, false, false, false)
 
 	err = s.Start()
 	require.NoError(t, err)
@@ -335,7 +335,7 @@ func startManagement(t *testing.T, signalAddr string, counter *int) (*grpc.Serve
 	if err != nil {
 		return nil, "", err
 	}
-	mgmtServer, err := nbgrpc.NewServer(config, accountManager, settingsMockManager, jobManager, secretsManager, nil, nil, &server.MockIntegratedValidator{}, networkMapController, nil)
+	mgmtServer, err := nbgrpc.NewServer(config, accountManager, settingsMockManager, jobManager, secretsManager, nil, nil, &server.MockIntegratedValidator{}, networkMapController, nil, nil)
 	if err != nil {
 		return nil, "", err
 	}

client/server/setconfig_test.go

@@ -53,7 +53,7 @@ func TestSetConfig_AllFieldsSaved(t *testing.T) {
 	require.NoError(t, err)
 
 	ctx := context.Background()
-	s := New(ctx, "console", "", false, false, false)
+	s := New(ctx, "console", "", false, false, false, false)
 
 	rosenpassEnabled := true
 	rosenpassPermissive := true

client/ui/debug.go

@@ -16,6 +16,7 @@ import (
 	"fyne.io/fyne/v2/widget"
 	log "github.com/sirupsen/logrus"
 	"github.com/skratchdot/open-golang/open"
+	"google.golang.org/protobuf/types/known/durationpb"
 
 	"github.com/netbirdio/netbird/client/internal"
 	"github.com/netbirdio/netbird/client/proto"
@@ -38,6 +39,7 @@ type debugCollectionParams struct {
 	upload            bool
 	uploadURL         string
 	enablePersistence bool
+	capture           bool
 }
 
 // UI components for progress tracking
@@ -51,25 +53,58 @@ type progressUI struct {
 func (s *serviceClient) showDebugUI() {
 	w := s.app.NewWindow("NetBird Debug")
 	w.SetOnClosed(s.cancel)
-
 	w.Resize(fyne.NewSize(600, 500))
 	w.SetFixedSize(true)
 
 	anonymizeCheck := widget.NewCheck("Anonymize sensitive information (public IPs, domains, ...)", nil)
 	systemInfoCheck := widget.NewCheck("Include system information (routes, interfaces, ...)", nil)
 	systemInfoCheck.SetChecked(true)
+	captureCheck := widget.NewCheck("Include packet capture", nil)
 	uploadCheck := widget.NewCheck("Upload bundle automatically after creation", nil)
 	uploadCheck.SetChecked(true)
 
-	uploadURLLabel := widget.NewLabel("Debug upload URL:")
+	uploadURLContainer, uploadURL := s.buildUploadSection(uploadCheck)
+
+	debugModeContainer, runForDurationCheck, durationInput, noteLabel := s.buildDurationSection()
+
+	statusLabel := widget.NewLabel("")
+	statusLabel.Hide()
+	progressBar := widget.NewProgressBar()
+	progressBar.Hide()
+	createButton := widget.NewButton("Create Debug Bundle", nil)
+
+	uiControls := []fyne.Disableable{
+		anonymizeCheck, systemInfoCheck, captureCheck,
+		uploadCheck, uploadURL, runForDurationCheck, durationInput, createButton,
+	}
+
+	createButton.OnTapped = s.getCreateHandler(
+		statusLabel, progressBar, uploadCheck, uploadURL,
+		anonymizeCheck, systemInfoCheck, captureCheck,
+		runForDurationCheck, durationInput, uiControls, w,
+	)
+
+	content := container.NewVBox(
+		widget.NewLabel("Create a debug bundle to help troubleshoot issues with NetBird"),
+		widget.NewLabel(""),
+		anonymizeCheck, systemInfoCheck, captureCheck,
+		uploadCheck, uploadURLContainer,
+		widget.NewLabel(""),
+		debugModeContainer, noteLabel,
+		widget.NewLabel(""),
+		statusLabel, progressBar, createButton,
+	)
+
+	w.SetContent(container.NewPadded(content))
+	w.Show()
+}
+
+func (s *serviceClient) buildUploadSection(uploadCheck *widget.Check) (*fyne.Container, *widget.Entry) {
 	uploadURL := widget.NewEntry()
 	uploadURL.SetText(uptypes.DefaultBundleURL)
 	uploadURL.SetPlaceHolder("Enter upload URL")
 
-	uploadURLContainer := container.NewVBox(
-		uploadURLLabel,
-		uploadURL,
-	)
+	uploadURLContainer := container.NewVBox(widget.NewLabel("Debug upload URL:"), uploadURL)
 
 	uploadCheck.OnChanged = func(checked bool) {
 		if checked {
@@ -78,13 +113,14 @@ func (s *serviceClient) showDebugUI() {
 			uploadURLContainer.Hide()
 		}
 	}
+	return uploadURLContainer, uploadURL
+}
 
-	debugModeContainer := container.NewHBox()
+func (s *serviceClient) buildDurationSection() (*fyne.Container, *widget.Check, *widget.Entry, *widget.Label) {
 	runForDurationCheck := widget.NewCheck("Run with trace logs before creating bundle", nil)
 	runForDurationCheck.SetChecked(true)
 
 	forLabel := widget.NewLabel("for")
-
 	durationInput := widget.NewEntry()
 	durationInput.SetText("1")
 	minutesLabel := widget.NewLabel("minute")
@@ -108,63 +144,8 @@ func (s *serviceClient) showDebugUI() {
 		}
 	}
 
-	debugModeContainer.Add(runForDurationCheck)
-	debugModeContainer.Add(forLabel)
-	debugModeContainer.Add(durationInput)
-	debugModeContainer.Add(minutesLabel)
-
-	statusLabel := widget.NewLabel("")
-	statusLabel.Hide()
-
-	progressBar := widget.NewProgressBar()
-	progressBar.Hide()
-
-	createButton := widget.NewButton("Create Debug Bundle", nil)
-
-	// UI controls that should be disabled during debug collection
-	uiControls := []fyne.Disableable{
-		anonymizeCheck,
-		systemInfoCheck,
-		uploadCheck,
-		uploadURL,
-		runForDurationCheck,
-		durationInput,
-		createButton,
-	}
-
-	createButton.OnTapped = s.getCreateHandler(
-		statusLabel,
-		progressBar,
-		uploadCheck,
-		uploadURL,
-		anonymizeCheck,
-		systemInfoCheck,
-		runForDurationCheck,
-		durationInput,
-		uiControls,
-		w,
-	)
-
-	content := container.NewVBox(
-		widget.NewLabel("Create a debug bundle to help troubleshoot issues with NetBird"),
-		widget.NewLabel(""),
-		anonymizeCheck,
-		systemInfoCheck,
-		uploadCheck,
-		uploadURLContainer,
-		widget.NewLabel(""),
-		debugModeContainer,
-		noteLabel,
-		widget.NewLabel(""),
-		statusLabel,
-		progressBar,
-		createButton,
-	)
-
-	paddedContent := container.NewPadded(content)
-	w.SetContent(paddedContent)
-
-	w.Show()
+	modeContainer := container.NewHBox(runForDurationCheck, forLabel, durationInput, minutesLabel)
+	return modeContainer, runForDurationCheck, durationInput, noteLabel
 }
 
 func validateMinute(s string, minutesLabel *widget.Label) error {
@@ -200,6 +181,7 @@ func (s *serviceClient) getCreateHandler(
 	uploadURL *widget.Entry,
 	anonymizeCheck *widget.Check,
 	systemInfoCheck *widget.Check,
+	captureCheck *widget.Check,
 	runForDurationCheck *widget.Check,
 	duration *widget.Entry,
 	uiControls []fyne.Disableable,
@@ -222,6 +204,7 @@ func (s *serviceClient) getCreateHandler(
 		params := &debugCollectionParams{
 			anonymize:         anonymizeCheck.Checked,
 			systemInfo:        systemInfoCheck.Checked,
+			capture:           captureCheck.Checked,
 			upload:            uploadCheck.Checked,
 			uploadURL:         url,
 			enablePersistence: true,
@@ -253,10 +236,7 @@ func (s *serviceClient) getCreateHandler(
 
 		statusLabel.SetText("Creating debug bundle...")
 		go s.handleDebugCreation(
-			anonymizeCheck.Checked,
-			systemInfoCheck.Checked,
-			uploadCheck.Checked,
-			url,
+			params,
 			statusLabel,
 			uiControls,
 			w,
@@ -371,7 +351,7 @@ func startProgressTracker(ctx context.Context, wg *sync.WaitGroup, duration time
 func (s *serviceClient) configureServiceForDebug(
 	conn proto.DaemonServiceClient,
 	state *debugInitialState,
-	enablePersistence bool,
+	params *debugCollectionParams,
 ) {
 	if state.wasDown {
 		if _, err := conn.Up(s.ctx, &proto.UpRequest{}); err != nil {
@@ -397,7 +377,7 @@ func (s *serviceClient) configureServiceForDebug(
 		time.Sleep(time.Second)
 	}
 
-	if enablePersistence {
+	if params.enablePersistence {
 		if _, err := conn.SetSyncResponsePersistence(s.ctx, &proto.SetSyncResponsePersistenceRequest{
 			Enabled: true,
 		}); err != nil {
@@ -417,6 +397,26 @@ func (s *serviceClient) configureServiceForDebug(
 	if _, err := conn.StartCPUProfile(s.ctx, &proto.StartCPUProfileRequest{}); err != nil {
 		log.Warnf("failed to start CPU profiling: %v", err)
 	}
+
+	s.startBundleCaptureIfEnabled(conn, params)
+}
+
+func (s *serviceClient) startBundleCaptureIfEnabled(conn proto.DaemonServiceClient, params *debugCollectionParams) {
+	if !params.capture {
+		return
+	}
+
+	const maxCapture = 10 * time.Minute
+	timeout := params.duration + 30*time.Second
+	if timeout > maxCapture {
+		timeout = maxCapture
+		log.Warnf("packet capture clamped to %s (server maximum)", maxCapture)
+	}
+	if _, err := conn.StartBundleCapture(s.ctx, &proto.StartBundleCaptureRequest{
+		Timeout: durationpb.New(timeout),
+	}); err != nil {
+		log.Warnf("failed to start bundle capture: %v", err)
+	}
 }
 
 func (s *serviceClient) collectDebugData(
@@ -430,7 +430,7 @@ func (s *serviceClient) collectDebugData(
 	var wg sync.WaitGroup
 	startProgressTracker(ctx, &wg, params.duration, progress)
 
-	s.configureServiceForDebug(conn, state, params.enablePersistence)
+	s.configureServiceForDebug(conn, state, params)
 
 	wg.Wait()
 	progress.progressBar.Hide()
@@ -440,6 +440,14 @@ func (s *serviceClient) collectDebugData(
 		log.Warnf("failed to stop CPU profiling: %v", err)
 	}
 
+	if params.capture {
+		stopCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+		defer cancel()
+		if _, err := conn.StopBundleCapture(stopCtx, &proto.StopBundleCaptureRequest{}); err != nil {
+			log.Warnf("failed to stop bundle capture: %v", err)
+		}
+	}
+
 	return nil
 }
 
@@ -520,18 +528,37 @@ func handleError(progress *progressUI, errMsg string) {
 }
 
 func (s *serviceClient) handleDebugCreation(
-	anonymize bool,
-	systemInfo bool,
-	upload bool,
-	uploadURL string,
+	params *debugCollectionParams,
 	statusLabel *widget.Label,
 	uiControls []fyne.Disableable,
 	w fyne.Window,
 ) {
-	log.Infof("Creating debug bundle (Anonymized: %v, System Info: %v, Upload Attempt: %v)...",
-		anonymize, systemInfo, upload)
+	conn, err := s.getSrvClient(failFastTimeout)
+	if err != nil {
+		log.Errorf("Failed to get client for debug: %v", err)
+		statusLabel.SetText(fmt.Sprintf("Error: %v", err))
+		enableUIControls(uiControls)
+		return
+	}
 
-	resp, err := s.createDebugBundle(anonymize, systemInfo, uploadURL)
+	if params.capture {
+		if _, err := conn.StartBundleCapture(s.ctx, &proto.StartBundleCaptureRequest{
+			Timeout: durationpb.New(30 * time.Second),
+		}); err != nil {
+			log.Warnf("failed to start bundle capture: %v", err)
+		} else {
+			defer func() {
+				stopCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+				defer cancel()
+				if _, err := conn.StopBundleCapture(stopCtx, &proto.StopBundleCaptureRequest{}); err != nil {
+					log.Warnf("failed to stop bundle capture: %v", err)
+				}
+			}()
+			time.Sleep(2 * time.Second)
+		}
+	}
+
+	resp, err := s.createDebugBundle(params.anonymize, params.systemInfo, params.uploadURL)
 	if err != nil {
 		log.Errorf("Failed to create debug bundle: %v", err)
 		statusLabel.SetText(fmt.Sprintf("Error creating bundle: %v", err))
@@ -543,7 +570,7 @@ func (s *serviceClient) handleDebugCreation(
 	uploadFailureReason := resp.GetUploadFailureReason()
 	uploadedKey := resp.GetUploadedKey()
 
-	if upload {
+	if params.upload {
 		if uploadFailureReason != "" {
 			showUploadFailedDialog(w, localPath, uploadFailureReason)
 		} else {

client/wasm/cmd/main.go

@@ -7,6 +7,7 @@ import (
 	"fmt"
 	"net"
 	"strconv"
+	"sync"
 	"syscall/js"
 	"time"
 
@@ -16,6 +17,7 @@ import (
 	netbird "github.com/netbirdio/netbird/client/embed"
 	sshdetection "github.com/netbirdio/netbird/client/ssh/detection"
 	nbstatus "github.com/netbirdio/netbird/client/status"
+	wasmcapture "github.com/netbirdio/netbird/client/wasm/internal/capture"
 	"github.com/netbirdio/netbird/client/wasm/internal/http"
 	"github.com/netbirdio/netbird/client/wasm/internal/rdp"
 	"github.com/netbirdio/netbird/client/wasm/internal/ssh"
@@ -529,6 +531,95 @@ func jsIPVersion(v js.Value) int {
 	}
 }
 
+// createStartCaptureMethod creates the programmable packet capture method.
+// Returns a JS interface with onpacket callback and stop() method.
+//
+// Usage from JavaScript:
+//
+//	const cap = await client.startCapture({ filter: "tcp port 443", verbose: true })
+//	cap.onpacket = (line) => console.log(line)
+//	const stats = cap.stop()
+func createStartCaptureMethod(client *netbird.Client) js.Func {
+	return js.FuncOf(func(_ js.Value, args []js.Value) any {
+		var opts js.Value
+		if len(args) > 0 {
+			opts = args[0]
+		}
+
+		return createPromise(func(resolve, reject js.Value) {
+			iface, err := wasmcapture.Start(client, opts)
+			if err != nil {
+				reject.Invoke(js.ValueOf(fmt.Sprintf("start capture: %v", err)))
+				return
+			}
+			resolve.Invoke(iface)
+		})
+	})
+}
+
+// captureMethods returns capture() and stopCapture() that share state for
+// the console-log shortcut. capture() logs packets to the browser console
+// and stopCapture() ends it, like Ctrl+C on the CLI.
+//
+// Usage from browser devtools console:
+//
+//	await client.capture()              // capture all packets
+//	await client.capture("tcp")         // capture with filter
+//	await client.capture({filter: "host 10.0.0.1", verbose: true})
+//	client.stopCapture()                // stop and print stats
+func captureMethods(client *netbird.Client) (startFn, stopFn js.Func) {
+	var mu sync.Mutex
+	var active *wasmcapture.Handle
+
+	startFn = js.FuncOf(func(_ js.Value, args []js.Value) any {
+		var opts js.Value
+		if len(args) > 0 {
+			opts = args[0]
+		}
+
+		return createPromise(func(resolve, reject js.Value) {
+			mu.Lock()
+			defer mu.Unlock()
+
+			if active != nil {
+				active.Stop()
+				active = nil
+			}
+
+			h, err := wasmcapture.StartConsole(client, opts)
+			if err != nil {
+				reject.Invoke(js.ValueOf(fmt.Sprintf("start capture: %v", err)))
+				return
+			}
+			active = h
+
+			console := js.Global().Get("console")
+			console.Call("log", "[capture] started, call client.stopCapture() to stop")
+			resolve.Invoke(js.Undefined())
+		})
+	})
+
+	stopFn = js.FuncOf(func(_ js.Value, _ []js.Value) any {
+		mu.Lock()
+		defer mu.Unlock()
+
+		if active == nil {
+			js.Global().Get("console").Call("log", "[capture] no active capture")
+			return js.Undefined()
+		}
+
+		stats := active.Stop()
+		active = nil
+
+		console := js.Global().Get("console")
+		console.Call("log", fmt.Sprintf("[capture] stopped: %d packets, %d bytes, %d dropped",
+			stats.Packets, stats.Bytes, stats.Dropped))
+		return js.Undefined()
+	})
+
+	return startFn, stopFn
+}
+
 // createPromise is a helper to create JavaScript promises
 func createPromise(handler func(resolve, reject js.Value)) js.Value {
 	return js.Global().Get("Promise").New(js.FuncOf(func(_ js.Value, promiseArgs []js.Value) any {
@@ -591,6 +682,11 @@ func createClientObject(client *netbird.Client) js.Value {
 	obj["statusDetail"] = createStatusDetailMethod(client)
 	obj["getSyncResponse"] = createGetSyncResponseMethod(client)
 	obj["setLogLevel"] = createSetLogLevelMethod(client)
+	obj["startCapture"] = createStartCaptureMethod(client)
+
+	capStart, capStop := captureMethods(client)
+	obj["capture"] = capStart
+	obj["stopCapture"] = capStop
 
 	return js.ValueOf(obj)
 }

client/wasm/internal/capture/capture.go

@@ -0,0 +1,176 @@
+//go:build js
+
+// Package capture bridges the util/capture package to JavaScript via syscall/js.
+package capture
+
+import (
+	"strings"
+	"sync"
+	"syscall/js"
+
+	netbird "github.com/netbirdio/netbird/client/embed"
+)
+
+// Handle holds a running capture session so it can be stopped later.
+type Handle struct {
+	cs      *netbird.CaptureSession
+	stopFn  js.Func
+	stopped bool
+}
+
+// Stop ends the capture and returns stats.
+func (h *Handle) Stop() netbird.CaptureStats {
+	if h.stopped {
+		return h.cs.Stats()
+	}
+	h.stopped = true
+	h.stopFn.Release()
+
+	h.cs.Stop()
+	return h.cs.Stats()
+}
+
+func statsToJS(s netbird.CaptureStats) js.Value {
+	obj := js.Global().Get("Object").Call("create", js.Null())
+	obj.Set("packets", js.ValueOf(s.Packets))
+	obj.Set("bytes", js.ValueOf(s.Bytes))
+	obj.Set("dropped", js.ValueOf(s.Dropped))
+	return obj
+}
+
+// parseOpts extracts filter/verbose/ascii from a JS options value.
+func parseOpts(jsOpts js.Value) (filter string, verbose, ascii bool) {
+	if jsOpts.IsNull() || jsOpts.IsUndefined() {
+		return
+	}
+	if jsOpts.Type() == js.TypeString {
+		filter = jsOpts.String()
+		return
+	}
+	if jsOpts.Type() != js.TypeObject {
+		return
+	}
+	if f := jsOpts.Get("filter"); !f.IsUndefined() && !f.IsNull() {
+		filter = f.String()
+	}
+	if v := jsOpts.Get("verbose"); !v.IsUndefined() {
+		verbose = v.Truthy()
+	}
+	if a := jsOpts.Get("ascii"); !a.IsUndefined() {
+		ascii = a.Truthy()
+	}
+	return
+}
+
+// Start creates a capture session and returns a JS interface for streaming text
+// output. The returned object exposes:
+//
+//	onpacket(callback)  - set callback(string) for each text line
+//	stop()              - stop capture and return stats { packets, bytes, dropped }
+//
+// Options: { filter: string, verbose: bool, ascii: bool } or just a filter string.
+func Start(client *netbird.Client, jsOpts js.Value) (js.Value, error) {
+	filter, verbose, ascii := parseOpts(jsOpts)
+
+	cb := &jsCallbackWriter{}
+
+	cs, err := client.StartCapture(netbird.CaptureOptions{
+		TextOutput: cb,
+		Filter:     filter,
+		Verbose:    verbose,
+		ASCII:      ascii,
+	})
+	if err != nil {
+		return js.Undefined(), err
+	}
+
+	handle := &Handle{cs: cs}
+
+	iface := js.Global().Get("Object").Call("create", js.Null())
+	handle.stopFn = js.FuncOf(func(_ js.Value, _ []js.Value) any {
+		return statsToJS(handle.Stop())
+	})
+	iface.Set("stop", handle.stopFn)
+	iface.Set("onpacket", js.Undefined())
+	cb.setInterface(iface)
+
+	return iface, nil
+}
+
+// StartConsole starts a capture that logs every packet line to console.log.
+// Returns a Handle so the caller can stop it later.
+func StartConsole(client *netbird.Client, jsOpts js.Value) (*Handle, error) {
+	filter, verbose, ascii := parseOpts(jsOpts)
+
+	cb := &jsCallbackWriter{}
+
+	cs, err := client.StartCapture(netbird.CaptureOptions{
+		TextOutput: cb,
+		Filter:     filter,
+		Verbose:    verbose,
+		ASCII:      ascii,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	handle := &Handle{cs: cs}
+	handle.stopFn = js.FuncOf(func(_ js.Value, _ []js.Value) any {
+		return statsToJS(handle.Stop())
+	})
+
+	iface := js.Global().Get("Object").Call("create", js.Null())
+	console := js.Global().Get("console")
+	iface.Set("onpacket", console.Get("log").Call("bind", console, js.ValueOf("[capture]")))
+	cb.setInterface(iface)
+
+	return handle, nil
+}
+
+// jsCallbackWriter is an io.Writer that buffers text until a newline, then
+// invokes the JS onpacket callback with each complete line.
+type jsCallbackWriter struct {
+	mu    sync.Mutex
+	iface js.Value
+	buf   strings.Builder
+}
+
+func (w *jsCallbackWriter) setInterface(iface js.Value) {
+	w.mu.Lock()
+	defer w.mu.Unlock()
+	w.iface = iface
+}
+
+func (w *jsCallbackWriter) Write(p []byte) (int, error) {
+	w.mu.Lock()
+	w.buf.Write(p)
+
+	var lines []string
+	for {
+		str := w.buf.String()
+		idx := strings.IndexByte(str, '\n')
+		if idx < 0 {
+			break
+		}
+		lines = append(lines, str[:idx])
+		w.buf.Reset()
+		if idx+1 < len(str) {
+			w.buf.WriteString(str[idx+1:])
+		}
+	}
+
+	iface := w.iface
+	w.mu.Unlock()
+
+	if iface.IsUndefined() {
+		return len(p), nil
+	}
+	cb := iface.Get("onpacket")
+	if cb.IsUndefined() || cb.IsNull() {
+		return len(p), nil
+	}
+	for _, line := range lines {
+		cb.Invoke(js.ValueOf(line))
+	}
+	return len(p), nil
+}