Bump github.com/docker/docker

Bumps [github.com/docker/docker](https://github.com/docker/docker) from 26.1.5+incompatible to 28.0.0+incompatible.
- [Release notes](https://github.com/docker/docker/releases)
- [Commits](https://github.com/docker/docker/compare/v26.1.5...v28.0.0)

---
updated-dependencies:
- dependency-name: github.com/docker/docker
  dependency-version: 28.0.0+incompatible
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

client/cmd/root.go

@@ -39,6 +39,7 @@ const (
 	extraIFaceBlackListFlag  = "extra-iface-blacklist"
 	dnsRouteIntervalFlag     = "dns-router-interval"
 	enableLazyConnectionFlag = "enable-lazy-connection"
+	mtuFlag                  = "mtu"
 )
 
 var (
@@ -72,6 +73,7 @@ var (
 	anonymizeFlag           bool
 	dnsRouteInterval        time.Duration
 	lazyConnEnabled         bool
+	mtu                     uint16
 	profilesDisabled        bool
 	updateSettingsDisabled  bool
 

client/cmd/root_test.go

@@ -54,6 +54,7 @@ func TestSetFlagsFromEnvVars(t *testing.T) {
 	cmd.PersistentFlags().StringVar(&interfaceName, interfaceNameFlag, iface.WgInterfaceDefault, "WireGuard interface name")
 	cmd.PersistentFlags().BoolVar(&rosenpassEnabled, enableRosenpassFlag, false, "Enable Rosenpass feature Rosenpass.")
 	cmd.PersistentFlags().Uint16Var(&wireguardPort, wireguardPortFlag, iface.DefaultWgPort, "WireGuard interface listening port")
+	cmd.PersistentFlags().Uint16Var(&mtu, mtuFlag, iface.DefaultMTU, "Set MTU (Maximum Transmission Unit) for the WireGuard interface")
 
 	t.Setenv("NB_EXTERNAL_IP_MAP", "abc,dec")
 	t.Setenv("NB_INTERFACE_NAME", "test-name")

client/cmd/up.go

@@ -63,6 +63,7 @@ func init() {
 	upCmd.PersistentFlags().BoolVarP(&foregroundMode, "foreground-mode", "F", false, "start service in foreground")
 	upCmd.PersistentFlags().StringVar(&interfaceName, interfaceNameFlag, iface.WgInterfaceDefault, "WireGuard interface name")
 	upCmd.PersistentFlags().Uint16Var(&wireguardPort, wireguardPortFlag, iface.DefaultWgPort, "WireGuard interface listening port")
+	upCmd.PersistentFlags().Uint16Var(&mtu, mtuFlag, iface.DefaultMTU, "Set MTU (Maximum Transmission Unit) for the WireGuard interface")
 	upCmd.PersistentFlags().BoolVarP(&networkMonitor, networkMonitorFlag, "N", networkMonitor,
 		`Manage network monitoring. Defaults to true on Windows and macOS, false on Linux and FreeBSD. `+
 			`E.g. --network-monitor=false to disable or --network-monitor=true to enable.`,
@@ -357,6 +358,11 @@ func setupSetConfigReq(customDNSAddressConverted []byte, cmd *cobra.Command, pro
 		req.WireguardPort = &p
 	}
 
+	if cmd.Flag(mtuFlag).Changed {
+		m := int64(mtu)
+		req.Mtu = &m
+	}
+
 	if cmd.Flag(networkMonitorFlag).Changed {
 		req.NetworkMonitor = &networkMonitor
 	}
@@ -436,6 +442,13 @@ func setupConfig(customDNSAddressConverted []byte, cmd *cobra.Command, configFil
 		ic.WireguardPort = &p
 	}
 
+	if cmd.Flag(mtuFlag).Changed {
+		if err := iface.ValidateMTU(mtu); err != nil {
+			return nil, err
+		}
+		ic.MTU = &mtu
+	}
+
 	if cmd.Flag(networkMonitorFlag).Changed {
 		ic.NetworkMonitor = &networkMonitor
 	}
@@ -533,6 +546,14 @@ func setupLoginRequest(providedSetupKey string, customDNSAddressConverted []byte
 		loginRequest.WireguardPort = &wp
 	}
 
+	if cmd.Flag(mtuFlag).Changed {
+		if err := iface.ValidateMTU(mtu); err != nil {
+			return nil, err
+		}
+		m := int64(mtu)
+		loginRequest.Mtu = &m
+	}
+
 	if cmd.Flag(networkMonitorFlag).Changed {
 		loginRequest.NetworkMonitor = &networkMonitor
 	}

client/iface/bind/ice_bind.go

@@ -56,10 +56,11 @@ type ICEBind struct {
 	muUDPMux         sync.Mutex
 	udpMux           *UniversalUDPMuxDefault
 	address          wgaddr.Address
+	mtu              uint16
 	activityRecorder *ActivityRecorder
 }
 
-func NewICEBind(transportNet transport.Net, filterFn FilterFn, address wgaddr.Address) *ICEBind {
+func NewICEBind(transportNet transport.Net, filterFn FilterFn, address wgaddr.Address, mtu uint16) *ICEBind {
 	b, _ := wgConn.NewStdNetBind().(*wgConn.StdNetBind)
 	ib := &ICEBind{
 		StdNetBind:       b,
@@ -69,6 +70,7 @@ func NewICEBind(transportNet transport.Net, filterFn FilterFn, address wgaddr.Ad
 		endpoints:        make(map[netip.Addr]net.Conn),
 		closedChan:       make(chan struct{}),
 		closed:           true,
+		mtu:              mtu,
 		address:          address,
 		activityRecorder: NewActivityRecorder(),
 	}
@@ -80,6 +82,10 @@ func NewICEBind(transportNet transport.Net, filterFn FilterFn, address wgaddr.Ad
 	return ib
 }
 
+func (s *ICEBind) MTU() uint16 {
+	return s.mtu
+}
+
 func (s *ICEBind) Open(uport uint16) ([]wgConn.ReceiveFunc, uint16, error) {
 	s.closed = false
 	s.closedChanMu.Lock()
@@ -158,6 +164,7 @@ func (s *ICEBind) createIPv4ReceiverFn(pc *ipv4.PacketConn, conn *net.UDPConn, r
 			Net:       s.transportNet,
 			FilterFn:  s.filterFn,
 			WGAddress: s.address,
+			MTU:       s.mtu,
 		},
 	)
 	return func(bufs [][]byte, sizes []int, eps []wgConn.Endpoint) (n int, err error) {

client/iface/bind/udp_mux_universal.go

@@ -18,6 +18,7 @@ import (
 	"github.com/pion/stun/v2"
 	"github.com/pion/transport/v3"
 
+	"github.com/netbirdio/netbird/client/iface/bufsize"
 	"github.com/netbirdio/netbird/client/iface/wgaddr"
 )
 
@@ -44,6 +45,7 @@ type UniversalUDPMuxParams struct {
 	Net                   transport.Net
 	FilterFn              FilterFn
 	WGAddress             wgaddr.Address
+	MTU                   uint16
 }
 
 // NewUniversalUDPMuxDefault creates an implementation of UniversalUDPMux embedding UDPMux
@@ -84,7 +86,7 @@ func NewUniversalUDPMuxDefault(params UniversalUDPMuxParams) *UniversalUDPMuxDef
 // just ignore other packets printing an warning message.
 // It is a blocking method, consider running in a go routine.
 func (m *UniversalUDPMuxDefault) ReadFromConn(ctx context.Context) {
-	buf := make([]byte, 1500)
+	buf := make([]byte, m.params.MTU+bufsize.WGBufferOverhead)
 	for {
 		select {
 		case <-ctx.Done():

client/iface/bufsize/bufsize.go

@@ -0,0 +1,9 @@
+package bufsize
+
+const (
+	// WGBufferOverhead represents the additional buffer space needed beyond MTU
+	// for WireGuard packet encapsulation (WG header + UDP + IP + safety margin)
+	// Original hardcoded buffers were 1500, default MTU is 1280, so overhead = 220
+	// TODO: Calculate this properly based on actual protocol overhead instead of using hardcoded difference
+	WGBufferOverhead = 220
+)

client/iface/device.go

@@ -17,6 +17,7 @@ type WGTunDevice interface {
 	Up() (*bind.UniversalUDPMuxDefault, error)
 	UpdateAddr(address wgaddr.Address) error
 	WgAddress() wgaddr.Address
+	MTU() uint16
 	DeviceName() string
 	Close() error
 	FilteredDevice() *device.FilteredDevice

client/iface/device/device_android.go

@@ -21,7 +21,7 @@ type WGTunDevice struct {
 	address    wgaddr.Address
 	port       int
 	key        string
-	mtu        int
+	mtu        uint16
 	iceBind    *bind.ICEBind
 	tunAdapter TunAdapter
 	disableDNS bool
@@ -33,7 +33,7 @@ type WGTunDevice struct {
 	configurer     WGConfigurer
 }
 
-func NewTunDevice(address wgaddr.Address, port int, key string, mtu int, iceBind *bind.ICEBind, tunAdapter TunAdapter, disableDNS bool) *WGTunDevice {
+func NewTunDevice(address wgaddr.Address, port int, key string, mtu uint16, iceBind *bind.ICEBind, tunAdapter TunAdapter, disableDNS bool) *WGTunDevice {
 	return &WGTunDevice{
 		address:    address,
 		port:       port,
@@ -58,7 +58,7 @@ func (t *WGTunDevice) Create(routes []string, dns string, searchDomains []string
 		searchDomainsToString = ""
 	}
 
-	fd, err := t.tunAdapter.ConfigureInterface(t.address.String(), t.mtu, dns, searchDomainsToString, routesString)
+	fd, err := t.tunAdapter.ConfigureInterface(t.address.String(), int(t.mtu), dns, searchDomainsToString, routesString)
 	if err != nil {
 		log.Errorf("failed to create Android interface: %s", err)
 		return nil, err
@@ -137,6 +137,10 @@ func (t *WGTunDevice) WgAddress() wgaddr.Address {
 	return t.address
 }
 
+func (t *WGTunDevice) MTU() uint16 {
+	return t.mtu
+}
+
 func (t *WGTunDevice) FilteredDevice() *FilteredDevice {
 	return t.filteredDevice
 }

client/iface/device/device_darwin.go

@@ -21,7 +21,7 @@ type TunDevice struct {
 	address wgaddr.Address
 	port    int
 	key     string
-	mtu     int
+	mtu     uint16
 	iceBind *bind.ICEBind
 
 	device         *device.Device
@@ -30,7 +30,7 @@ type TunDevice struct {
 	configurer     WGConfigurer
 }
 
-func NewTunDevice(name string, address wgaddr.Address, port int, key string, mtu int, iceBind *bind.ICEBind) *TunDevice {
+func NewTunDevice(name string, address wgaddr.Address, port int, key string, mtu uint16, iceBind *bind.ICEBind) *TunDevice {
 	return &TunDevice{
 		name:    name,
 		address: address,
@@ -42,7 +42,7 @@ func NewTunDevice(name string, address wgaddr.Address, port int, key string, mtu
 }
 
 func (t *TunDevice) Create() (WGConfigurer, error) {
-	tunDevice, err := tun.CreateTUN(t.name, t.mtu)
+	tunDevice, err := tun.CreateTUN(t.name, int(t.mtu))
 	if err != nil {
 		return nil, fmt.Errorf("error creating tun device: %s", err)
 	}
@@ -111,6 +111,10 @@ func (t *TunDevice) WgAddress() wgaddr.Address {
 	return t.address
 }
 
+func (t *TunDevice) MTU() uint16 {
+	return t.mtu
+}
+
 func (t *TunDevice) DeviceName() string {
 	return t.name
 }

client/iface/device/device_ios.go

@@ -22,6 +22,7 @@ type TunDevice struct {
 	address wgaddr.Address
 	port    int
 	key     string
+	mtu     uint16
 	iceBind *bind.ICEBind
 	tunFd   int
 
@@ -31,12 +32,13 @@ type TunDevice struct {
 	configurer     WGConfigurer
 }
 
-func NewTunDevice(name string, address wgaddr.Address, port int, key string, iceBind *bind.ICEBind, tunFd int) *TunDevice {
+func NewTunDevice(name string, address wgaddr.Address, port int, key string, mtu uint16, iceBind *bind.ICEBind, tunFd int) *TunDevice {
 	return &TunDevice{
 		name:    name,
 		address: address,
 		port:    port,
 		key:     key,
+		mtu:     mtu,
 		iceBind: iceBind,
 		tunFd:   tunFd,
 	}
@@ -125,6 +127,10 @@ func (t *TunDevice) WgAddress() wgaddr.Address {
 	return t.address
 }
 
+func (t *TunDevice) MTU() uint16 {
+	return t.mtu
+}
+
 func (t *TunDevice) UpdateAddr(_ wgaddr.Address) error {
 	// todo implement
 	return nil

client/iface/device/device_kernel_unix.go

@@ -24,7 +24,7 @@ type TunKernelDevice struct {
 	address      wgaddr.Address
 	wgPort       int
 	key          string
-	mtu          int
+	mtu          uint16
 	ctx          context.Context
 	ctxCancel    context.CancelFunc
 	transportNet transport.Net
@@ -36,7 +36,7 @@ type TunKernelDevice struct {
 	filterFn bind.FilterFn
 }
 
-func NewKernelDevice(name string, address wgaddr.Address, wgPort int, key string, mtu int, transportNet transport.Net) *TunKernelDevice {
+func NewKernelDevice(name string, address wgaddr.Address, wgPort int, key string, mtu uint16, transportNet transport.Net) *TunKernelDevice {
 	ctx, cancel := context.WithCancel(context.Background())
 	return &TunKernelDevice{
 		ctx:          ctx,
@@ -66,7 +66,7 @@ func (t *TunKernelDevice) Create() (WGConfigurer, error) {
 	// TODO: do a MTU discovery
 	log.Debugf("setting MTU: %d interface: %s", t.mtu, t.name)
 
-	if err := link.setMTU(t.mtu); err != nil {
+	if err := link.setMTU(int(t.mtu)); err != nil {
 		return nil, fmt.Errorf("set mtu: %w", err)
 	}
 
@@ -96,7 +96,7 @@ func (t *TunKernelDevice) Up() (*bind.UniversalUDPMuxDefault, error) {
 		return nil, err
 	}
 
-	rawSock, err := sharedsock.Listen(t.wgPort, sharedsock.NewIncomingSTUNFilter())
+	rawSock, err := sharedsock.Listen(t.wgPort, sharedsock.NewIncomingSTUNFilter(), t.mtu)
 	if err != nil {
 		return nil, err
 	}
@@ -111,6 +111,7 @@ func (t *TunKernelDevice) Up() (*bind.UniversalUDPMuxDefault, error) {
 		Net:       t.transportNet,
 		FilterFn:  t.filterFn,
 		WGAddress: t.address,
+		MTU:       t.mtu,
 	}
 	mux := bind.NewUniversalUDPMuxDefault(bindParams)
 	go mux.ReadFromConn(t.ctx)
@@ -158,6 +159,10 @@ func (t *TunKernelDevice) WgAddress() wgaddr.Address {
 	return t.address
 }
 
+func (t *TunKernelDevice) MTU() uint16 {
+	return t.mtu
+}
+
 func (t *TunKernelDevice) DeviceName() string {
 	return t.name
 }

client/iface/device/device_netstack.go

@@ -1,6 +1,3 @@
-//go:build !android
-// +build !android
-
 package device
 
 import (
@@ -22,7 +19,7 @@ type TunNetstackDevice struct {
 	address       wgaddr.Address
 	port          int
 	key           string
-	mtu           int
+	mtu           uint16
 	listenAddress string
 	iceBind       *bind.ICEBind
 
@@ -35,7 +32,7 @@ type TunNetstackDevice struct {
 	net *netstack.Net
 }
 
-func NewNetstackDevice(name string, address wgaddr.Address, wgPort int, key string, mtu int, iceBind *bind.ICEBind, listenAddress string) *TunNetstackDevice {
+func NewNetstackDevice(name string, address wgaddr.Address, wgPort int, key string, mtu uint16, iceBind *bind.ICEBind, listenAddress string) *TunNetstackDevice {
 	return &TunNetstackDevice{
 		name:          name,
 		address:       address,
@@ -47,7 +44,7 @@ func NewNetstackDevice(name string, address wgaddr.Address, wgPort int, key stri
 	}
 }
 
-func (t *TunNetstackDevice) Create() (WGConfigurer, error) {
+func (t *TunNetstackDevice) create() (WGConfigurer, error) {
 	log.Info("create nbnetstack tun interface")
 
 	// TODO: get from service listener runtime IP
@@ -57,7 +54,7 @@ func (t *TunNetstackDevice) Create() (WGConfigurer, error) {
 	}
 
 	log.Debugf("netstack using address: %s", t.address.IP)
-	t.nsTun = nbnetstack.NewNetStackTun(t.listenAddress, t.address.IP, dnsAddr, t.mtu)
+	t.nsTun = nbnetstack.NewNetStackTun(t.listenAddress, t.address.IP, dnsAddr, int(t.mtu))
 	log.Debugf("netstack using dns address: %s", dnsAddr)
 	tunIface, net, err := t.nsTun.Create()
 	if err != nil {
@@ -125,6 +122,10 @@ func (t *TunNetstackDevice) WgAddress() wgaddr.Address {
 	return t.address
 }
 
+func (t *TunNetstackDevice) MTU() uint16 {
+	return t.mtu
+}
+
 func (t *TunNetstackDevice) DeviceName() string {
 	return t.name
 }

client/iface/device/device_netstack_android.go

@@ -0,0 +1,7 @@
+//go:build android
+
+package device
+
+func (t *TunNetstackDevice) Create(routes []string, dns string, searchDomains []string) (WGConfigurer, error) {
+	return t.create()
+}

client/iface/device/device_netstack_generic.go

@@ -0,0 +1,7 @@
+//go:build !android
+
+package device
+
+func (t *TunNetstackDevice) Create() (WGConfigurer, error) {
+	return t.create()
+}

client/iface/device/device_usp_unix.go

@@ -20,7 +20,7 @@ type USPDevice struct {
 	address wgaddr.Address
 	port    int
 	key     string
-	mtu     int
+	mtu     uint16
 	iceBind *bind.ICEBind
 
 	device         *device.Device
@@ -29,7 +29,7 @@ type USPDevice struct {
 	configurer     WGConfigurer
 }
 
-func NewUSPDevice(name string, address wgaddr.Address, port int, key string, mtu int, iceBind *bind.ICEBind) *USPDevice {
+func NewUSPDevice(name string, address wgaddr.Address, port int, key string, mtu uint16, iceBind *bind.ICEBind) *USPDevice {
 	log.Infof("using userspace bind mode")
 
 	return &USPDevice{
@@ -44,9 +44,9 @@ func NewUSPDevice(name string, address wgaddr.Address, port int, key string, mtu
 
 func (t *USPDevice) Create() (WGConfigurer, error) {
 	log.Info("create tun interface")
-	tunIface, err := tun.CreateTUN(t.name, t.mtu)
+	tunIface, err := tun.CreateTUN(t.name, int(t.mtu))
 	if err != nil {
-		log.Debugf("failed to create tun interface (%s, %d): %s", t.name, t.mtu, err)
+		log.Debugf("failed to create tun interface (%s, %d): %s", t.name, int(t.mtu), err)
 		return nil, fmt.Errorf("error creating tun device: %s", err)
 	}
 	t.filteredDevice = newDeviceFilter(tunIface)
@@ -118,6 +118,10 @@ func (t *USPDevice) WgAddress() wgaddr.Address {
 	return t.address
 }
 
+func (t *USPDevice) MTU() uint16 {
+	return t.mtu
+}
+
 func (t *USPDevice) DeviceName() string {
 	return t.name
 }

client/iface/device/device_windows.go

@@ -23,7 +23,7 @@ type TunDevice struct {
 	address wgaddr.Address
 	port    int
 	key     string
-	mtu     int
+	mtu     uint16
 	iceBind *bind.ICEBind
 
 	device          *device.Device
@@ -33,7 +33,7 @@ type TunDevice struct {
 	configurer      WGConfigurer
 }
 
-func NewTunDevice(name string, address wgaddr.Address, port int, key string, mtu int, iceBind *bind.ICEBind) *TunDevice {
+func NewTunDevice(name string, address wgaddr.Address, port int, key string, mtu uint16, iceBind *bind.ICEBind) *TunDevice {
 	return &TunDevice{
 		name:    name,
 		address: address,
@@ -59,7 +59,7 @@ func (t *TunDevice) Create() (WGConfigurer, error) {
 		return nil, err
 	}
 	log.Info("create tun interface")
-	tunDevice, err := tun.CreateTUNWithRequestedGUID(t.name, &guid, t.mtu)
+	tunDevice, err := tun.CreateTUNWithRequestedGUID(t.name, &guid, int(t.mtu))
 	if err != nil {
 		return nil, fmt.Errorf("error creating tun device: %s", err)
 	}
@@ -144,6 +144,10 @@ func (t *TunDevice) WgAddress() wgaddr.Address {
 	return t.address
 }
 
+func (t *TunDevice) MTU() uint16 {
+	return t.mtu
+}
+
 func (t *TunDevice) DeviceName() string {
 	return t.name
 }

client/iface/device_android.go

@@ -15,6 +15,7 @@ type WGTunDevice interface {
 	Up() (*bind.UniversalUDPMuxDefault, error)
 	UpdateAddr(address wgaddr.Address) error
 	WgAddress() wgaddr.Address
+	MTU() uint16
 	DeviceName() string
 	Close() error
 	FilteredDevice() *device.FilteredDevice

client/iface/iface.go

@@ -26,6 +26,8 @@ import (
 
 const (
 	DefaultMTU         = 1280
+	MinMTU             = 576
+	MaxMTU             = 8192
 	DefaultWgPort      = 51820
 	WgInterfaceDefault = configurer.WgInterfaceDefault
 )
@@ -35,6 +37,17 @@ var (
 	ErrIfaceNotFound = fmt.Errorf("wireguard interface not found")
 )
 
+// ValidateMTU validates that MTU is within acceptable range
+func ValidateMTU(mtu uint16) error {
+	if mtu < MinMTU {
+		return fmt.Errorf("MTU %d below minimum (%d bytes)", mtu, MinMTU)
+	}
+	if mtu > MaxMTU {
+		return fmt.Errorf("MTU %d exceeds maximum supported size (%d bytes)", mtu, MaxMTU)
+	}
+	return nil
+}
+
 type wgProxyFactory interface {
 	GetProxy() wgproxy.Proxy
 	Free() error
@@ -45,7 +58,7 @@ type WGIFaceOpts struct {
 	Address      string
 	WGPort       int
 	WGPrivKey    string
-	MTU          int
+	MTU          uint16
 	MobileArgs   *device.MobileIFaceArguments
 	TransportNet transport.Net
 	FilterFn     bind.FilterFn
@@ -82,6 +95,10 @@ func (w *WGIface) Address() wgaddr.Address {
 	return w.tun.WgAddress()
 }
 
+func (w *WGIface) MTU() uint16 {
+	return w.tun.MTU()
+}
+
 // ToInterface returns the net.Interface for the Wireguard interface
 func (r *WGIface) ToInterface() *net.Interface {
 	name := r.tun.DeviceName()

client/iface/iface_new_android.go

@@ -3,6 +3,7 @@ package iface
 import (
 	"github.com/netbirdio/netbird/client/iface/bind"
 	"github.com/netbirdio/netbird/client/iface/device"
+	"github.com/netbirdio/netbird/client/iface/netstack"
 	"github.com/netbirdio/netbird/client/iface/wgaddr"
 	"github.com/netbirdio/netbird/client/iface/wgproxy"
 )
@@ -14,7 +15,16 @@ func NewWGIFace(opts WGIFaceOpts) (*WGIface, error) {
 		return nil, err
 	}
 
-	iceBind := bind.NewICEBind(opts.TransportNet, opts.FilterFn, wgAddress)
+	iceBind := bind.NewICEBind(opts.TransportNet, opts.FilterFn, wgAddress, opts.MTU)
+
+	if netstack.IsEnabled() {
+		wgIFace := &WGIface{
+			userspaceBind:  true,
+			tun:            device.NewNetstackDevice(opts.IFaceName, wgAddress, opts.WGPort, opts.WGPrivKey, opts.MTU, iceBind, netstack.ListenAddr()),
+			wgProxyFactory: wgproxy.NewUSPFactory(iceBind),
+		}
+		return wgIFace, nil
+	}
 
 	wgIFace := &WGIface{
 		userspaceBind:  true,

client/iface/iface_new_darwin.go

@@ -17,7 +17,7 @@ func NewWGIFace(opts WGIFaceOpts) (*WGIface, error) {
 		return nil, err
 	}
 
-	iceBind := bind.NewICEBind(opts.TransportNet, opts.FilterFn, wgAddress)
+	iceBind := bind.NewICEBind(opts.TransportNet, opts.FilterFn, wgAddress, opts.MTU)
 
 	var tun WGTunDevice
 	if netstack.IsEnabled() {

client/iface/iface_new_ios.go

@@ -16,10 +16,10 @@ func NewWGIFace(opts WGIFaceOpts) (*WGIface, error) {
 		return nil, err
 	}
 
-	iceBind := bind.NewICEBind(opts.TransportNet, opts.FilterFn, wgAddress)
+	iceBind := bind.NewICEBind(opts.TransportNet, opts.FilterFn, wgAddress, opts.MTU)
 
 	wgIFace := &WGIface{
-		tun:            device.NewTunDevice(opts.IFaceName, wgAddress, opts.WGPort, opts.WGPrivKey, iceBind, opts.MobileArgs.TunFd),
+		tun:            device.NewTunDevice(opts.IFaceName, wgAddress, opts.WGPort, opts.WGPrivKey, opts.MTU, iceBind, opts.MobileArgs.TunFd),
 		userspaceBind:  true,
 		wgProxyFactory: wgproxy.NewUSPFactory(iceBind),
 	}

client/iface/iface_new_unix.go

@@ -22,7 +22,7 @@ func NewWGIFace(opts WGIFaceOpts) (*WGIface, error) {
 	wgIFace := &WGIface{}
 
 	if netstack.IsEnabled() {
-		iceBind := bind.NewICEBind(opts.TransportNet, opts.FilterFn, wgAddress)
+		iceBind := bind.NewICEBind(opts.TransportNet, opts.FilterFn, wgAddress, opts.MTU)
 		wgIFace.tun = device.NewNetstackDevice(opts.IFaceName, wgAddress, opts.WGPort, opts.WGPrivKey, opts.MTU, iceBind, netstack.ListenAddr())
 		wgIFace.userspaceBind = true
 		wgIFace.wgProxyFactory = wgproxy.NewUSPFactory(iceBind)
@@ -31,11 +31,11 @@ func NewWGIFace(opts WGIFaceOpts) (*WGIface, error) {
 
 	if device.WireGuardModuleIsLoaded() {
 		wgIFace.tun = device.NewKernelDevice(opts.IFaceName, wgAddress, opts.WGPort, opts.WGPrivKey, opts.MTU, opts.TransportNet)
-		wgIFace.wgProxyFactory = wgproxy.NewKernelFactory(opts.WGPort)
+		wgIFace.wgProxyFactory = wgproxy.NewKernelFactory(opts.WGPort, opts.MTU)
 		return wgIFace, nil
 	}
 	if device.ModuleTunIsLoaded() {
-		iceBind := bind.NewICEBind(opts.TransportNet, opts.FilterFn, wgAddress)
+		iceBind := bind.NewICEBind(opts.TransportNet, opts.FilterFn, wgAddress, opts.MTU)
 		wgIFace.tun = device.NewUSPDevice(opts.IFaceName, wgAddress, opts.WGPort, opts.WGPrivKey, opts.MTU, iceBind)
 		wgIFace.userspaceBind = true
 		wgIFace.wgProxyFactory = wgproxy.NewUSPFactory(iceBind)

client/iface/iface_new_windows.go

@@ -14,7 +14,7 @@ func NewWGIFace(opts WGIFaceOpts) (*WGIface, error) {
 	if err != nil {
 		return nil, err
 	}
-	iceBind := bind.NewICEBind(opts.TransportNet, opts.FilterFn, wgAddress)
+	iceBind := bind.NewICEBind(opts.TransportNet, opts.FilterFn, wgAddress, opts.MTU)
 
 	var tun WGTunDevice
 	if netstack.IsEnabled() {

client/iface/wgproxy/bind/proxy.go

@@ -12,6 +12,7 @@ import (
 	log "github.com/sirupsen/logrus"
 
 	"github.com/netbirdio/netbird/client/iface/bind"
+	"github.com/netbirdio/netbird/client/iface/bufsize"
 	"github.com/netbirdio/netbird/client/iface/wgproxy/listener"
 )
 
@@ -135,7 +136,7 @@ func (p *ProxyBind) proxyToLocal(ctx context.Context) {
 	}()
 
 	for {
-		buf := make([]byte, 1500)
+		buf := make([]byte, p.Bind.MTU()+bufsize.WGBufferOverhead)
 		n, err := p.remoteConn.Read(buf)
 		if err != nil {
 			if ctx.Err() != nil {

client/iface/wgproxy/ebpf/proxy.go

@@ -17,6 +17,7 @@ import (
 	log "github.com/sirupsen/logrus"
 
 	nberrors "github.com/netbirdio/netbird/client/errors"
+	"github.com/netbirdio/netbird/client/iface/bufsize"
 	"github.com/netbirdio/netbird/client/internal/ebpf"
 	ebpfMgr "github.com/netbirdio/netbird/client/internal/ebpf/manager"
 	nbnet "github.com/netbirdio/netbird/util/net"
@@ -29,6 +30,7 @@ const (
 // WGEBPFProxy definition for proxy with EBPF support
 type WGEBPFProxy struct {
 	localWGListenPort int
+	mtu               uint16
 
 	ebpfManager   ebpfMgr.Manager
 	turnConnStore map[uint16]net.Conn
@@ -43,10 +45,11 @@ type WGEBPFProxy struct {
 }
 
 // NewWGEBPFProxy create new WGEBPFProxy instance
-func NewWGEBPFProxy(wgPort int) *WGEBPFProxy {
+func NewWGEBPFProxy(wgPort int, mtu uint16) *WGEBPFProxy {
 	log.Debugf("instantiate ebpf proxy")
 	wgProxy := &WGEBPFProxy{
 		localWGListenPort: wgPort,
+		mtu:               mtu,
 		ebpfManager:       ebpf.GetEbpfManagerInstance(),
 		turnConnStore:     make(map[uint16]net.Conn),
 	}
@@ -138,7 +141,7 @@ func (p *WGEBPFProxy) Free() error {
 // proxyToRemote read messages from local WireGuard interface and forward it to remote conn
 // From this go routine has only one instance.
 func (p *WGEBPFProxy) proxyToRemote() {
-	buf := make([]byte, 1500)
+	buf := make([]byte, p.mtu+bufsize.WGBufferOverhead)
 	for p.ctx.Err() == nil {
 		if err := p.readAndForwardPacket(buf); err != nil {
 			if p.ctx.Err() != nil {

client/iface/wgproxy/ebpf/proxy_test.go

@@ -7,7 +7,7 @@ import (
 )
 
 func TestWGEBPFProxy_connStore(t *testing.T) {
-	wgProxy := NewWGEBPFProxy(1)
+	wgProxy := NewWGEBPFProxy(1, 1280)
 
 	p, _ := wgProxy.storeTurnConn(nil)
 	if p != 1 {
@@ -27,7 +27,7 @@ func TestWGEBPFProxy_connStore(t *testing.T) {
 }
 
 func TestWGEBPFProxy_portCalculation_overflow(t *testing.T) {
-	wgProxy := NewWGEBPFProxy(1)
+	wgProxy := NewWGEBPFProxy(1, 1280)
 
 	_, _ = wgProxy.storeTurnConn(nil)
 	wgProxy.lastUsedPort = 65535
@@ -43,7 +43,7 @@ func TestWGEBPFProxy_portCalculation_overflow(t *testing.T) {
 }
 
 func TestWGEBPFProxy_portCalculation_maxConn(t *testing.T) {
-	wgProxy := NewWGEBPFProxy(1)
+	wgProxy := NewWGEBPFProxy(1, 1280)
 
 	for i := 0; i < 65535; i++ {
 		_, _ = wgProxy.storeTurnConn(nil)

client/iface/wgproxy/ebpf/wrapper.go

@@ -12,6 +12,7 @@ import (
 
 	log "github.com/sirupsen/logrus"
 
+	"github.com/netbirdio/netbird/client/iface/bufsize"
 	"github.com/netbirdio/netbird/client/iface/wgproxy/listener"
 )
 
@@ -103,7 +104,7 @@ func (e *ProxyWrapper) CloseConn() error {
 func (p *ProxyWrapper) proxyToLocal(ctx context.Context) {
 	defer p.WgeBPFProxy.removeTurnConn(uint16(p.wgEndpointAddr.Port))
 
-	buf := make([]byte, 1500)
+	buf := make([]byte, p.WgeBPFProxy.mtu+bufsize.WGBufferOverhead)
 	for {
 		n, err := p.readFromRemote(ctx, buf)
 		if err != nil {

client/iface/wgproxy/factory_kernel.go

@@ -11,16 +11,18 @@ import (
 
 type KernelFactory struct {
 	wgPort int
+	mtu    uint16
 
 	ebpfProxy *ebpf.WGEBPFProxy
 }
 
-func NewKernelFactory(wgPort int) *KernelFactory {
+func NewKernelFactory(wgPort int, mtu uint16) *KernelFactory {
 	f := &KernelFactory{
 		wgPort: wgPort,
+		mtu:    mtu,
 	}
 
-	ebpfProxy := ebpf.NewWGEBPFProxy(wgPort)
+	ebpfProxy := ebpf.NewWGEBPFProxy(wgPort, mtu)
 	if err := ebpfProxy.Listen(); err != nil {
 		log.Infof("WireGuard Proxy Factory will produce UDP proxy")
 		log.Warnf("failed to initialize ebpf proxy, fallback to user space proxy: %s", err)
@@ -33,7 +35,7 @@ func NewKernelFactory(wgPort int) *KernelFactory {
 
 func (w *KernelFactory) GetProxy() Proxy {
 	if w.ebpfProxy == nil {
-		return udpProxy.NewWGUDPProxy(w.wgPort)
+		return udpProxy.NewWGUDPProxy(w.wgPort, w.mtu)
 	}
 
 	return ebpf.NewProxyWrapper(w.ebpfProxy)

client/iface/wgproxy/factory_kernel_freebsd.go

@@ -9,19 +9,21 @@ import (
 // KernelFactory todo: check eBPF support on FreeBSD
 type KernelFactory struct {
 	wgPort int
+	mtu    uint16
 }
 
-func NewKernelFactory(wgPort int) *KernelFactory {
+func NewKernelFactory(wgPort int, mtu uint16) *KernelFactory {
 	log.Infof("WireGuard Proxy Factory will produce UDP proxy")
 	f := &KernelFactory{
 		wgPort: wgPort,
+		mtu:    mtu,
 	}
 
 	return f
 }
 
 func (w *KernelFactory) GetProxy() Proxy {
-	return udpProxy.NewWGUDPProxy(w.wgPort)
+	return udpProxy.NewWGUDPProxy(w.wgPort, w.mtu)
 }
 
 func (w *KernelFactory) Free() error {

client/iface/wgproxy/proxy_linux_test.go

@@ -16,7 +16,7 @@ func TestProxyCloseByRemoteConnEBPF(t *testing.T) {
 	}
 	ctx := context.Background()
 
-	ebpfProxy := ebpf.NewWGEBPFProxy(51831)
+	ebpfProxy := ebpf.NewWGEBPFProxy(51831, 1280)
 	if err := ebpfProxy.Listen(); err != nil {
 		t.Fatalf("failed to initialize ebpf proxy: %s", err)
 	}

client/iface/wgproxy/proxy_test.go

@@ -84,12 +84,12 @@ func TestProxyCloseByRemoteConn(t *testing.T) {
 	}{
 		{
 			name:  "userspace proxy",
-			proxy: udpProxy.NewWGUDPProxy(51830),
+			proxy: udpProxy.NewWGUDPProxy(51830, 1280),
 		},
 	}
 
 	if runtime.GOOS == "linux" && os.Getenv("GITHUB_ACTIONS") != "true" {
-		ebpfProxy := ebpf.NewWGEBPFProxy(51831)
+		ebpfProxy := ebpf.NewWGEBPFProxy(51831, 1280)
 		if err := ebpfProxy.Listen(); err != nil {
 			t.Fatalf("failed to initialize ebpf proxy: %s", err)
 		}

client/iface/wgproxy/udp/proxy.go

@@ -12,12 +12,14 @@ import (
 	log "github.com/sirupsen/logrus"
 
 	cerrors "github.com/netbirdio/netbird/client/errors"
+	"github.com/netbirdio/netbird/client/iface/bufsize"
 	"github.com/netbirdio/netbird/client/iface/wgproxy/listener"
 )
 
 // WGUDPProxy proxies
 type WGUDPProxy struct {
 	localWGListenPort int
+	mtu               uint16
 
 	remoteConn net.Conn
 	localConn  net.Conn
@@ -34,10 +36,11 @@ type WGUDPProxy struct {
 }
 
 // NewWGUDPProxy instantiate a UDP based WireGuard proxy. This is not a thread safe implementation
-func NewWGUDPProxy(wgPort int) *WGUDPProxy {
+func NewWGUDPProxy(wgPort int, mtu uint16) *WGUDPProxy {
 	log.Debugf("Initializing new user space proxy with port %d", wgPort)
 	p := &WGUDPProxy{
 		localWGListenPort: wgPort,
+		mtu:               mtu,
 		closeListener:     listener.NewCloseListener(),
 	}
 	return p
@@ -144,7 +147,7 @@ func (p *WGUDPProxy) proxyToRemote(ctx context.Context) {
 		}
 	}()
 
-	buf := make([]byte, 1500)
+	buf := make([]byte, p.mtu+bufsize.WGBufferOverhead)
 	for ctx.Err() == nil {
 		n, err := p.localConn.Read(buf)
 		if err != nil {
@@ -179,7 +182,7 @@ func (p *WGUDPProxy) proxyToLocal(ctx context.Context) {
 		}
 	}()
 
-	buf := make([]byte, 1500)
+	buf := make([]byte, p.mtu+bufsize.WGBufferOverhead)
 	for {
 		n, err := p.remoteConnRead(ctx, buf)
 		if err != nil {

client/internal/auth/device_flow_test.go

@@ -3,15 +3,17 @@ package auth
 import (
 	"context"
 	"fmt"
-	"github.com/golang-jwt/jwt"
-	"github.com/netbirdio/netbird/client/internal"
-	"github.com/stretchr/testify/require"
 	"io"
 	"net/http"
 	"net/url"
 	"strings"
 	"testing"
 	"time"
+
+	"github.com/golang-jwt/jwt/v5"
+	"github.com/stretchr/testify/require"
+
+	"github.com/netbirdio/netbird/client/internal"
 )
 
 type mockHTTPClient struct {

client/internal/connect.go

@@ -18,6 +18,7 @@ import (
 	"google.golang.org/grpc/codes"
 	gstatus "google.golang.org/grpc/status"
 
+	"github.com/netbirdio/netbird/client/iface"
 	"github.com/netbirdio/netbird/client/iface/device"
 	"github.com/netbirdio/netbird/client/internal/dns"
 	"github.com/netbirdio/netbird/client/internal/listener"
@@ -244,7 +245,15 @@ func (c *ConnectClient) run(mobileDependency MobileDependency, runningChan chan
 		c.statusRecorder.MarkSignalConnected()
 
 		relayURLs, token := parseRelayInfo(loginResp)
-		relayManager := relayClient.NewManager(engineCtx, relayURLs, myPrivateKey.PublicKey().String())
+		peerConfig := loginResp.GetPeerConfig()
+
+		engineConfig, err := createEngineConfig(myPrivateKey, c.config, peerConfig)
+		if err != nil {
+			log.Error(err)
+			return wrapErr(err)
+		}
+
+		relayManager := relayClient.NewManager(engineCtx, relayURLs, myPrivateKey.PublicKey().String(), engineConfig.MTU)
 		c.statusRecorder.SetRelayMgr(relayManager)
 		if len(relayURLs) > 0 {
 			if token != nil {
@@ -259,14 +268,6 @@ func (c *ConnectClient) run(mobileDependency MobileDependency, runningChan chan
 			}
 		}
 
-		peerConfig := loginResp.GetPeerConfig()
-
-		engineConfig, err := createEngineConfig(myPrivateKey, c.config, peerConfig)
-		if err != nil {
-			log.Error(err)
-			return wrapErr(err)
-		}
-
 		checks := loginResp.GetChecks()
 
 		c.engineMutex.Lock()
@@ -444,6 +445,8 @@ func createEngineConfig(key wgtypes.Key, config *profilemanager.Config, peerConf
 		BlockInbound:        config.BlockInbound,
 
 		LazyConnectionEnabled: config.LazyConnectionEnabled,
+
+		MTU: selectMTU(config.MTU, peerConfig.Mtu),
 	}
 
 	if config.PreSharedKey != "" {
@@ -466,6 +469,20 @@ func createEngineConfig(key wgtypes.Key, config *profilemanager.Config, peerConf
 	return engineConf, nil
 }
 
+func selectMTU(localMTU uint16, peerMTU int32) uint16 {
+	var finalMTU uint16 = iface.DefaultMTU
+	if localMTU > 0 {
+		finalMTU = localMTU
+	} else if peerMTU > 0 {
+		finalMTU = uint16(peerMTU)
+	}
+
+	// Set global DNS MTU
+	dns.SetCurrentMTU(finalMTU)
+
+	return finalMTU
+}
+
 // connectToSignal creates Signal Service client and established a connection
 func connectToSignal(ctx context.Context, wtConfig *mgmProto.NetbirdConfig, ourPrivateKey wgtypes.Key) (*signal.GrpcClient, error) {
 	var sigTLSEnabled bool

client/internal/dns/host_darwin.go

@@ -166,9 +166,10 @@ func (s *systemConfigurator) removeKeyFromSystemConfig(key string) error {
 
 func (s *systemConfigurator) addLocalDNS() error {
 	if !s.systemDNSSettings.ServerIP.IsValid() || len(s.systemDNSSettings.Domains) == 0 {
-		err := s.recordSystemDNSSettings(true)
+		if err := s.recordSystemDNSSettings(true); err != nil {
 			log.Errorf("Unable to get system DNS configuration")
-		return err
+			return fmt.Errorf("recordSystemDNSSettings(): %w", err)
+		}
 	}
 	localKey := getKeyWithInput(netbirdDNSStateKeyFormat, localSuffix)
 	if s.systemDNSSettings.ServerIP.IsValid() && len(s.systemDNSSettings.Domains) != 0 {

client/internal/dns/upstream.go

@@ -26,6 +26,12 @@ import (
 	"github.com/netbirdio/netbird/client/proto"
 )
 
+var currentMTU uint16 = iface.DefaultMTU
+
+func SetCurrentMTU(mtu uint16) {
+	currentMTU = mtu
+}
+
 const (
 	UpstreamTimeout = 15 * time.Second
 
@@ -358,8 +364,8 @@ func (u *upstreamResolverBase) testNameserver(server netip.AddrPort, timeout tim
 // If the passed context is nil, this will use Exchange instead of ExchangeContext.
 func ExchangeWithFallback(ctx context.Context, client *dns.Client, r *dns.Msg, upstream string) (*dns.Msg, time.Duration, error) {
 	// MTU - ip + udp headers
-	// Note: this could be sent out on an interface that is not ours, but our MTU should always be lower.
-	client.UDPSize = iface.DefaultMTU - (60 + 8)
+	// Note: this could be sent out on an interface that is not ours, but higher MTU settings could break truncation handling.
+	client.UDPSize = uint16(currentMTU - (60 + 8))
 
 	var (
 		rm  *dns.Msg

client/internal/engine.go

@@ -125,6 +125,8 @@ type EngineConfig struct {
 	BlockInbound        bool
 
 	LazyConnectionEnabled bool
+
+	MTU uint16
 }
 
 // Engine is a mechanism responsible for reacting on Signal and Management stream events and managing connections to the remote peers.
@@ -347,6 +349,10 @@ func (e *Engine) Start() error {
 	e.syncMsgMux.Lock()
 	defer e.syncMsgMux.Unlock()
 
+	if err := iface.ValidateMTU(e.config.MTU); err != nil {
+		return fmt.Errorf("invalid MTU configuration: %w", err)
+	}
+
 	if e.cancel != nil {
 		e.cancel()
 	}
@@ -1492,7 +1498,7 @@ func (e *Engine) newWgIface() (*iface.WGIface, error) {
 		Address:      e.config.WgAddr,
 		WGPort:       e.config.WgPort,
 		WGPrivKey:    e.config.WgPrivateKey.String(),
-		MTU:          iface.DefaultMTU,
+		MTU:          e.config.MTU,
 		TransportNet: transportNet,
 		FilterFn:     e.addrViaRoutes,
 		DisableDNS:   e.config.DisableDNS,

client/internal/engine_test.go

@@ -218,7 +218,7 @@ func TestEngine_SSH(t *testing.T) {
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 
-	relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String())
+	relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String(), iface.DefaultMTU)
 	engine := NewEngine(
 		ctx, cancel,
 		&signal.MockClient{},
@@ -230,6 +230,7 @@ func TestEngine_SSH(t *testing.T) {
 			WgPrivateKey:     key,
 			WgPort:           33100,
 			ServerSSHAllowed: true,
+			MTU:              iface.DefaultMTU,
 		},
 		MobileDependency{},
 		peer.NewRecorder("https://mgm"),
@@ -363,7 +364,7 @@ func TestEngine_UpdateNetworkMap(t *testing.T) {
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 
-	relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String())
+	relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String(), iface.DefaultMTU)
 	engine := NewEngine(
 		ctx, cancel,
 		&signal.MockClient{},
@@ -374,6 +375,7 @@ func TestEngine_UpdateNetworkMap(t *testing.T) {
 			WgAddr:       "100.64.0.1/24",
 			WgPrivateKey: key,
 			WgPort:       33100,
+			MTU:          iface.DefaultMTU,
 		},
 		MobileDependency{},
 		peer.NewRecorder("https://mgm"),
@@ -412,7 +414,7 @@ func TestEngine_UpdateNetworkMap(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	engine.udpMux = bind.NewUniversalUDPMuxDefault(bind.UniversalUDPMuxParams{UDPConn: conn})
+	engine.udpMux = bind.NewUniversalUDPMuxDefault(bind.UniversalUDPMuxParams{UDPConn: conn, MTU: 1280})
 	engine.ctx = ctx
 	engine.srWatcher = guard.NewSRWatcher(nil, nil, nil, icemaker.Config{})
 	engine.connMgr = NewConnMgr(engine.config, engine.statusRecorder, engine.peerStore, wgIface)
@@ -589,12 +591,13 @@ func TestEngine_Sync(t *testing.T) {
 		}
 		return nil
 	}
-	relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String())
+	relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String(), iface.DefaultMTU)
 	engine := NewEngine(ctx, cancel, &signal.MockClient{}, &mgmt.MockClient{SyncFunc: syncFunc}, relayMgr, &EngineConfig{
 		WgIfaceName:  "utun103",
 		WgAddr:       "100.64.0.1/24",
 		WgPrivateKey: key,
 		WgPort:       33100,
+		MTU:          iface.DefaultMTU,
 	}, MobileDependency{}, peer.NewRecorder("https://mgm"), nil)
 	engine.ctx = ctx
 
@@ -753,12 +756,13 @@ func TestEngine_UpdateNetworkMapWithRoutes(t *testing.T) {
 			wgIfaceName := fmt.Sprintf("utun%d", 104+n)
 			wgAddr := fmt.Sprintf("100.66.%d.1/24", n)
 
-			relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String())
+			relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String(), iface.DefaultMTU)
 			engine := NewEngine(ctx, cancel, &signal.MockClient{}, &mgmt.MockClient{}, relayMgr, &EngineConfig{
 				WgIfaceName:  wgIfaceName,
 				WgAddr:       wgAddr,
 				WgPrivateKey: key,
 				WgPort:       33100,
+				MTU:          iface.DefaultMTU,
 			}, MobileDependency{}, peer.NewRecorder("https://mgm"), nil)
 			engine.ctx = ctx
 			newNet, err := stdnet.NewNet()
@@ -954,12 +958,13 @@ func TestEngine_UpdateNetworkMapWithDNSUpdate(t *testing.T) {
 			wgIfaceName := fmt.Sprintf("utun%d", 104+n)
 			wgAddr := fmt.Sprintf("100.66.%d.1/24", n)
 
-			relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String())
+			relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String(), iface.DefaultMTU)
 			engine := NewEngine(ctx, cancel, &signal.MockClient{}, &mgmt.MockClient{}, relayMgr, &EngineConfig{
 				WgIfaceName:  wgIfaceName,
 				WgAddr:       wgAddr,
 				WgPrivateKey: key,
 				WgPort:       33100,
+				MTU:          iface.DefaultMTU,
 			}, MobileDependency{}, peer.NewRecorder("https://mgm"), nil)
 			engine.ctx = ctx
 
@@ -1181,6 +1186,7 @@ func Test_ParseNATExternalIPMappings(t *testing.T) {
 				config: &EngineConfig{
 					IFaceBlackList: testCase.inputBlacklistInterface,
 					NATExternalIPs: testCase.inputMapList,
+					MTU:            iface.DefaultMTU,
 				},
 			}
 			parsedList := engine.parseNATExternalIPMappings()
@@ -1481,9 +1487,10 @@ func createEngine(ctx context.Context, cancel context.CancelFunc, setupKey strin
 		WgAddr:       resp.PeerConfig.Address,
 		WgPrivateKey: key,
 		WgPort:       wgPort,
+		MTU:          iface.DefaultMTU,
 	}
 
-	relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String())
+	relayMgr := relayClient.NewManager(ctx, nil, key.PublicKey().String(), iface.DefaultMTU)
 	e, err := NewEngine(ctx, cancel, signalClient, mgmtClient, relayMgr, conf, MobileDependency{}, peer.NewRecorder("https://mgm"), nil), nil
 	e.ctx = ctx
 	return e, err

client/internal/profilemanager/config.go

@@ -75,6 +75,8 @@ type ConfigInput struct {
 	DNSLabels domain.List
 
 	LazyConnectionEnabled *bool
+
+	MTU *uint16
 }
 
 // Config Configuration type
@@ -141,6 +143,8 @@ type Config struct {
 	ClientCertKeyPair *tls.Certificate `json:"-"`
 
 	LazyConnectionEnabled bool
+
+	MTU uint16
 }
 
 var ConfigDirOverride string
@@ -493,6 +497,16 @@ func (config *Config) apply(input ConfigInput) (updated bool, err error) {
 		updated = true
 	}
 
+	if input.MTU != nil && *input.MTU != config.MTU {
+		log.Infof("updating MTU to %d (old value %d)", *input.MTU, config.MTU)
+		config.MTU = *input.MTU
+		updated = true
+	} else if config.MTU == 0 {
+		config.MTU = iface.DefaultMTU
+		log.Infof("using default MTU %d", config.MTU)
+		updated = true
+	}
+
 	return updated, nil
 }
 

client/internal/routemanager/systemops/systemops_windows.go

@@ -336,7 +336,7 @@ func createIPForwardEntry2(route *MIB_IPFORWARD_ROW2) error {
 		if e1 != 0 {
 			return fmt.Errorf("CreateIpForwardEntry2: %w", e1)
 		}
-		return fmt.Errorf("CreateIpForwardEntry2: code %d", r1)
+		return fmt.Errorf("CreateIpForwardEntry2: code %d", windows.NTStatus(r1))
 	}
 	return nil
 }

client/internal/stdnet/stdnet.go

@@ -9,6 +9,7 @@ import (
 	"sync"
 	"time"
 
+	"github.com/netbirdio/netbird/client/iface/netstack"
 	"github.com/pion/transport/v3"
 	"github.com/pion/transport/v3/stdnet"
 )
@@ -32,9 +33,15 @@ type Net struct {
 // NewNetWithDiscover creates a new StdNet instance.
 func NewNetWithDiscover(iFaceDiscover ExternalIFaceDiscover, disallowList []string) (*Net, error) {
 	n := &Net{
-		iFaceDiscover:   newMobileIFaceDiscover(iFaceDiscover),
 		interfaceFilter: InterfaceFilter(disallowList),
 	}
+	// current ExternalIFaceDiscover implement in android-client https://github.dev/netbirdio/android-client
+	// so in android cli use pionDiscover
+	if netstack.IsEnabled() {
+		n.iFaceDiscover = pionDiscover{}
+	} else {
+		newMobileIFaceDiscover(iFaceDiscover)
+	}
 	return n, n.UpdateInterfaces()
 }
 

client/proto/daemon.pb.go

@@ -278,6 +278,7 @@ type LoginRequest struct {
 	BlockInbound          *bool   `protobuf:"varint,29,opt,name=block_inbound,json=blockInbound,proto3,oneof" json:"block_inbound,omitempty"`
 	ProfileName           *string `protobuf:"bytes,30,opt,name=profileName,proto3,oneof" json:"profileName,omitempty"`
 	Username              *string `protobuf:"bytes,31,opt,name=username,proto3,oneof" json:"username,omitempty"`
+	Mtu                   *int64  `protobuf:"varint,32,opt,name=mtu,proto3,oneof" json:"mtu,omitempty"`
 	unknownFields         protoimpl.UnknownFields
 	sizeCache             protoimpl.SizeCache
 }
@@ -530,6 +531,13 @@ func (x *LoginRequest) GetUsername() string {
 	return ""
 }
 
+func (x *LoginRequest) GetMtu() int64 {
+	if x != nil && x.Mtu != nil {
+		return *x.Mtu
+	}
+	return 0
+}
+
 type LoginResponse struct {
 	state                   protoimpl.MessageState `protogen:"open.v1"`
 	NeedsSSOLogin           bool                   `protobuf:"varint,1,opt,name=needsSSOLogin,proto3" json:"needsSSOLogin,omitempty"`
@@ -1034,6 +1042,7 @@ type GetConfigResponse struct {
 	AdminURL              string `protobuf:"bytes,5,opt,name=adminURL,proto3" json:"adminURL,omitempty"`
 	InterfaceName         string `protobuf:"bytes,6,opt,name=interfaceName,proto3" json:"interfaceName,omitempty"`
 	WireguardPort         int64  `protobuf:"varint,7,opt,name=wireguardPort,proto3" json:"wireguardPort,omitempty"`
+	Mtu                   int64  `protobuf:"varint,8,opt,name=mtu,proto3" json:"mtu,omitempty"`
 	DisableAutoConnect    bool   `protobuf:"varint,9,opt,name=disableAutoConnect,proto3" json:"disableAutoConnect,omitempty"`
 	ServerSSHAllowed      bool   `protobuf:"varint,10,opt,name=serverSSHAllowed,proto3" json:"serverSSHAllowed,omitempty"`
 	RosenpassEnabled      bool   `protobuf:"varint,11,opt,name=rosenpassEnabled,proto3" json:"rosenpassEnabled,omitempty"`
@@ -1129,6 +1138,13 @@ func (x *GetConfigResponse) GetWireguardPort() int64 {
 	return 0
 }
 
+func (x *GetConfigResponse) GetMtu() int64 {
+	if x != nil {
+		return x.Mtu
+	}
+	return 0
+}
+
 func (x *GetConfigResponse) GetDisableAutoConnect() bool {
 	if x != nil {
 		return x.DisableAutoConnect
@@ -3679,6 +3695,7 @@ type SetConfigRequest struct {
 	// cleanDNSLabels clean map list of DNS labels.
 	CleanDNSLabels   bool                 `protobuf:"varint,26,opt,name=cleanDNSLabels,proto3" json:"cleanDNSLabels,omitempty"`
 	DnsRouteInterval *durationpb.Duration `protobuf:"bytes,27,opt,name=dnsRouteInterval,proto3,oneof" json:"dnsRouteInterval,omitempty"`
+	Mtu              *int64               `protobuf:"varint,28,opt,name=mtu,proto3,oneof" json:"mtu,omitempty"`
 	unknownFields    protoimpl.UnknownFields
 	sizeCache        protoimpl.SizeCache
 }
@@ -3902,6 +3919,13 @@ func (x *SetConfigRequest) GetDnsRouteInterval() *durationpb.Duration {
 	return nil
 }
 
+func (x *SetConfigRequest) GetMtu() int64 {
+	if x != nil && x.Mtu != nil {
+		return *x.Mtu
+	}
+	return 0
+}
+
 type SetConfigResponse struct {
 	state         protoimpl.MessageState `protogen:"open.v1"`
 	unknownFields protoimpl.UnknownFields
@@ -4575,7 +4599,7 @@ var File_daemon_proto protoreflect.FileDescriptor
 const file_daemon_proto_rawDesc = "" +
 	"\n" +
 	"\fdaemon.proto\x12\x06daemon\x1a google/protobuf/descriptor.proto\x1a\x1fgoogle/protobuf/timestamp.proto\x1a\x1egoogle/protobuf/duration.proto\"\x0e\n" +
-	"\fEmptyRequest\"\xa4\x0e\n" +
+	"\fEmptyRequest\"\xc3\x0e\n" +
 	"\fLoginRequest\x12\x1a\n" +
 	"\bsetupKey\x18\x01 \x01(\tR\bsetupKey\x12&\n" +
 	"\fpreSharedKey\x18\x02 \x01(\tB\x02\x18\x01R\fpreSharedKey\x12$\n" +
@@ -4611,7 +4635,8 @@ const file_daemon_proto_rawDesc = "" +
 	"\x15lazyConnectionEnabled\x18\x1c \x01(\bH\x0fR\x15lazyConnectionEnabled\x88\x01\x01\x12(\n" +
 	"\rblock_inbound\x18\x1d \x01(\bH\x10R\fblockInbound\x88\x01\x01\x12%\n" +
 	"\vprofileName\x18\x1e \x01(\tH\x11R\vprofileName\x88\x01\x01\x12\x1f\n" +
-	"\busername\x18\x1f \x01(\tH\x12R\busername\x88\x01\x01B\x13\n" +
+	"\busername\x18\x1f \x01(\tH\x12R\busername\x88\x01\x01\x12\x15\n" +
+	"\x03mtu\x18  \x01(\x03H\x13R\x03mtu\x88\x01\x01B\x13\n" +
 	"\x11_rosenpassEnabledB\x10\n" +
 	"\x0e_interfaceNameB\x10\n" +
 	"\x0e_wireguardPortB\x17\n" +
@@ -4630,7 +4655,8 @@ const file_daemon_proto_rawDesc = "" +
 	"\x16_lazyConnectionEnabledB\x10\n" +
 	"\x0e_block_inboundB\x0e\n" +
 	"\f_profileNameB\v\n" +
-	"\t_username\"\xb5\x01\n" +
+	"\t_usernameB\x06\n" +
+	"\x04_mtu\"\xb5\x01\n" +
 	"\rLoginResponse\x12$\n" +
 	"\rneedsSSOLogin\x18\x01 \x01(\bR\rneedsSSOLogin\x12\x1a\n" +
 	"\buserCode\x18\x02 \x01(\tR\buserCode\x12(\n" +
@@ -4661,7 +4687,7 @@ const file_daemon_proto_rawDesc = "" +
 	"\fDownResponse\"P\n" +
 	"\x10GetConfigRequest\x12 \n" +
 	"\vprofileName\x18\x01 \x01(\tR\vprofileName\x12\x1a\n" +
-	"\busername\x18\x02 \x01(\tR\busername\"\xa3\x06\n" +
+	"\busername\x18\x02 \x01(\tR\busername\"\xb5\x06\n" +
 	"\x11GetConfigResponse\x12$\n" +
 	"\rmanagementUrl\x18\x01 \x01(\tR\rmanagementUrl\x12\x1e\n" +
 	"\n" +
@@ -4671,7 +4697,8 @@ const file_daemon_proto_rawDesc = "" +
 	"\fpreSharedKey\x18\x04 \x01(\tR\fpreSharedKey\x12\x1a\n" +
 	"\badminURL\x18\x05 \x01(\tR\badminURL\x12$\n" +
 	"\rinterfaceName\x18\x06 \x01(\tR\rinterfaceName\x12$\n" +
-	"\rwireguardPort\x18\a \x01(\x03R\rwireguardPort\x12.\n" +
+	"\rwireguardPort\x18\a \x01(\x03R\rwireguardPort\x12\x10\n" +
+	"\x03mtu\x18\b \x01(\x03R\x03mtu\x12.\n" +
 	"\x12disableAutoConnect\x18\t \x01(\bR\x12disableAutoConnect\x12*\n" +
 	"\x10serverSSHAllowed\x18\n" +
 	" \x01(\bR\x10serverSSHAllowed\x12*\n" +
@@ -4885,7 +4912,7 @@ const file_daemon_proto_rawDesc = "" +
 	"\busername\x18\x02 \x01(\tH\x01R\busername\x88\x01\x01B\x0e\n" +
 	"\f_profileNameB\v\n" +
 	"\t_username\"\x17\n" +
-	"\x15SwitchProfileResponse\"\xef\f\n" +
+	"\x15SwitchProfileResponse\"\x8e\r\n" +
 	"\x10SetConfigRequest\x12\x1a\n" +
 	"\busername\x18\x01 \x01(\tR\busername\x12 \n" +
 	"\vprofileName\x18\x02 \x01(\tR\vprofileName\x12$\n" +
@@ -4917,7 +4944,8 @@ const file_daemon_proto_rawDesc = "" +
 	"\n" +
 	"dns_labels\x18\x19 \x03(\tR\tdnsLabels\x12&\n" +
 	"\x0ecleanDNSLabels\x18\x1a \x01(\bR\x0ecleanDNSLabels\x12J\n" +
-	"\x10dnsRouteInterval\x18\x1b \x01(\v2\x19.google.protobuf.DurationH\x10R\x10dnsRouteInterval\x88\x01\x01B\x13\n" +
+	"\x10dnsRouteInterval\x18\x1b \x01(\v2\x19.google.protobuf.DurationH\x10R\x10dnsRouteInterval\x88\x01\x01\x12\x15\n" +
+	"\x03mtu\x18\x1c \x01(\x03H\x11R\x03mtu\x88\x01\x01B\x13\n" +
 	"\x11_rosenpassEnabledB\x10\n" +
 	"\x0e_interfaceNameB\x10\n" +
 	"\x0e_wireguardPortB\x17\n" +
@@ -4934,7 +4962,8 @@ const file_daemon_proto_rawDesc = "" +
 	"\x16_disable_notificationsB\x18\n" +
 	"\x16_lazyConnectionEnabledB\x10\n" +
 	"\x0e_block_inboundB\x13\n" +
-	"\x11_dnsRouteInterval\"\x13\n" +
+	"\x11_dnsRouteIntervalB\x06\n" +
+	"\x04_mtu\"\x13\n" +
 	"\x11SetConfigResponse\"Q\n" +
 	"\x11AddProfileRequest\x12\x1a\n" +
 	"\busername\x18\x01 \x01(\tR\busername\x12 \n" +

client/proto/daemon.proto

@@ -156,6 +156,8 @@ message LoginRequest {
 
   optional string profileName = 30;
   optional string username = 31;
+
+  optional int64 mtu = 32;
 }
 
 message LoginResponse {
@@ -223,6 +225,8 @@ message GetConfigResponse {
 
   int64 wireguardPort = 7;
 
+  int64 mtu = 8;
+
   bool disableAutoConnect = 9;
 
   bool serverSSHAllowed = 10;
@@ -583,6 +587,7 @@ message SetConfigRequest {
 
     optional google.protobuf.Duration dnsRouteInterval = 27;
 
+    optional int64 mtu = 28;
 }
 
 message SetConfigResponse{}

client/server/server.go

@@ -400,6 +400,11 @@ func (s *Server) SetConfig(callerCtx context.Context, msg *proto.SetConfigReques
 	config.LazyConnectionEnabled = msg.LazyConnectionEnabled
 	config.BlockInbound = msg.BlockInbound
 
+	if msg.Mtu != nil {
+		mtu := uint16(*msg.Mtu)
+		config.MTU = &mtu
+	}
+
 	if _, err := profilemanager.UpdateConfig(config); err != nil {
 		log.Errorf("failed to update profile config: %v", err)
 		return nil, fmt.Errorf("failed to update profile config: %w", err)
@@ -484,6 +489,7 @@ func (s *Server) Login(callerCtx context.Context, msg *proto.LoginRequest) (*pro
 		// nolint
 		ctx = context.WithValue(ctx, system.DeviceNameCtxKey, msg.Hostname)
 	}
+
 	s.mutex.Unlock()
 
 	config, err := s.getConfig(activeProf)
@@ -1105,6 +1111,7 @@ func (s *Server) GetConfig(ctx context.Context, req *proto.GetConfigRequest) (*p
 		AdminURL:              adminURL.String(),
 		InterfaceName:         cfg.WgIface,
 		WireguardPort:         int64(cfg.WgPort),
+		Mtu:                   int64(cfg.MTU),
 		DisableAutoConnect:    cfg.DisableAutoConnect,
 		ServerSSHAllowed:      *cfg.ServerSSHAllowed,
 		RosenpassEnabled:      cfg.RosenpassEnabled,

client/ui/client_ui.go

@@ -257,6 +257,7 @@ type serviceClient struct {
 	iPreSharedKey  *widget.Entry
 	iInterfaceName *widget.Entry
 	iInterfacePort *widget.Entry
+	iMTU           *widget.Entry
 
 	// switch elements for settings form
 	sRosenpassPermissive *widget.Check
@@ -272,6 +273,7 @@ type serviceClient struct {
 	RosenpassPermissive bool
 	interfaceName       string
 	interfacePort       int
+	mtu                 uint16
 	networkMonitor      bool
 	disableDNS          bool
 	disableClientRoutes bool
@@ -413,6 +415,7 @@ func (s *serviceClient) showSettingsUI() {
 	s.iPreSharedKey = widget.NewPasswordEntry()
 	s.iInterfaceName = widget.NewEntry()
 	s.iInterfacePort = widget.NewEntry()
+	s.iMTU = widget.NewEntry()
 
 	s.sRosenpassPermissive = widget.NewCheck("Enable Rosenpass permissive mode", nil)
 
@@ -446,6 +449,7 @@ func (s *serviceClient) getSettingsForm() *widget.Form {
 			{Text: "Quantum-Resistance", Widget: s.sRosenpassPermissive},
 			{Text: "Interface Name", Widget: s.iInterfaceName},
 			{Text: "Interface Port", Widget: s.iInterfacePort},
+			{Text: "MTU", Widget: s.iMTU},
 			{Text: "Management URL", Widget: s.iMngURL},
 			{Text: "Pre-shared Key", Widget: s.iPreSharedKey},
 			{Text: "Log File", Widget: s.iLogFile},
@@ -482,6 +486,21 @@ func (s *serviceClient) getSettingsForm() *widget.Form {
 				return
 			}
 
+			var mtu int64
+			mtuText := strings.TrimSpace(s.iMTU.Text)
+			if mtuText != "" {
+				var err error
+				mtu, err = strconv.ParseInt(mtuText, 10, 64)
+				if err != nil {
+					dialog.ShowError(errors.New("Invalid MTU value"), s.wSettings)
+					return
+				}
+				if mtu < iface.MinMTU || mtu > iface.MaxMTU {
+					dialog.ShowError(fmt.Errorf("MTU must be between %d and %d bytes", iface.MinMTU, iface.MaxMTU), s.wSettings)
+					return
+				}
+			}
+
 			iMngURL := strings.TrimSpace(s.iMngURL.Text)
 
 			defer s.wSettings.Close()
@@ -490,6 +509,7 @@ func (s *serviceClient) getSettingsForm() *widget.Form {
 			if s.managementURL != iMngURL || s.preSharedKey != s.iPreSharedKey.Text ||
 				s.RosenpassPermissive != s.sRosenpassPermissive.Checked ||
 				s.interfaceName != s.iInterfaceName.Text || s.interfacePort != int(port) ||
+				s.mtu != uint16(mtu) ||
 				s.networkMonitor != s.sNetworkMonitor.Checked ||
 				s.disableDNS != s.sDisableDNS.Checked ||
 				s.disableClientRoutes != s.sDisableClientRoutes.Checked ||
@@ -498,6 +518,7 @@ func (s *serviceClient) getSettingsForm() *widget.Form {
 
 				s.managementURL = iMngURL
 				s.preSharedKey = s.iPreSharedKey.Text
+				s.mtu = uint16(mtu)
 
 				currUser, err := user.Current()
 				if err != nil {
@@ -516,6 +537,9 @@ func (s *serviceClient) getSettingsForm() *widget.Form {
 				req.RosenpassPermissive = &s.sRosenpassPermissive.Checked
 				req.InterfaceName = &s.iInterfaceName.Text
 				req.WireguardPort = &port
+				if mtu > 0 {
+					req.Mtu = &mtu
+				}
 				req.NetworkMonitor = &s.sNetworkMonitor.Checked
 				req.DisableDns = &s.sDisableDNS.Checked
 				req.DisableClientRoutes = &s.sDisableClientRoutes.Checked
@@ -1088,6 +1112,7 @@ func (s *serviceClient) getSrvConfig() {
 	s.RosenpassPermissive = cfg.RosenpassPermissive
 	s.interfaceName = cfg.WgIface
 	s.interfacePort = cfg.WgPort
+	s.mtu = cfg.MTU
 
 	s.networkMonitor = *cfg.NetworkMonitor
 	s.disableDNS = cfg.DisableDNS
@@ -1100,6 +1125,12 @@ func (s *serviceClient) getSrvConfig() {
 		s.iPreSharedKey.SetText(cfg.PreSharedKey)
 		s.iInterfaceName.SetText(cfg.WgIface)
 		s.iInterfacePort.SetText(strconv.Itoa(cfg.WgPort))
+		if cfg.MTU != 0 {
+			s.iMTU.SetText(strconv.Itoa(int(cfg.MTU)))
+		} else {
+			s.iMTU.SetText("")
+			s.iMTU.SetPlaceHolder(strconv.Itoa(int(iface.DefaultMTU)))
+		}
 		s.sRosenpassPermissive.SetChecked(cfg.RosenpassPermissive)
 		if !cfg.RosenpassEnabled {
 			s.sRosenpassPermissive.Disable()
@@ -1160,6 +1191,12 @@ func protoConfigToConfig(cfg *proto.GetConfigResponse) *profilemanager.Config {
 		config.WgPort = iface.DefaultWgPort
 	}
 
+	if cfg.Mtu != 0 {
+		config.MTU = uint16(cfg.Mtu)
+	} else {
+		config.MTU = iface.DefaultMTU
+	}
+
 	config.DisableAutoConnect = cfg.DisableAutoConnect
 	config.ServerSSHAllowed = &cfg.ServerSSHAllowed
 	config.RosenpassEnabled = cfg.RosenpassEnabled

go.mod

@@ -6,7 +6,6 @@ require (
 	cunicu.li/go-rosenpass v0.4.0
 	github.com/cenkalti/backoff/v4 v4.3.0
 	github.com/cloudflare/circl v1.3.3 // indirect
-	github.com/golang-jwt/jwt v3.2.2+incompatible
 	github.com/golang/protobuf v1.5.4
 	github.com/google/uuid v1.6.0
 	github.com/gorilla/mux v1.8.0
@@ -19,12 +18,12 @@ require (
 	github.com/spf13/cobra v1.7.0
 	github.com/spf13/pflag v1.0.5
 	github.com/vishvananda/netlink v1.3.0
-	golang.org/x/crypto v0.37.0
-	golang.org/x/sys v0.32.0
+	golang.org/x/crypto v0.40.0
+	golang.org/x/sys v0.34.0
 	golang.zx2c4.com/wireguard v0.0.0-20230704135630-469159ecf7d1
 	golang.zx2c4.com/wireguard/wgctrl v0.0.0-20230429144221-925a1e7659e6
 	golang.zx2c4.com/wireguard/windows v0.5.3
-	google.golang.org/grpc v1.64.1
+	google.golang.org/grpc v1.73.0
 	google.golang.org/protobuf v1.36.6
 	gopkg.in/natefinch/lumberjack.v2 v2.0.0
 )
@@ -48,6 +47,7 @@ require (
 	github.com/fsnotify/fsnotify v1.7.0
 	github.com/gliderlabs/ssh v0.3.8
 	github.com/godbus/dbus/v5 v5.1.0
+	github.com/golang-jwt/jwt/v5 v5.3.0
 	github.com/golang/mock v1.6.0
 	github.com/google/go-cmp v0.7.0
 	github.com/google/gopacket v1.1.19
@@ -63,7 +63,7 @@ require (
 	github.com/miekg/dns v1.1.59
 	github.com/mitchellh/hashstructure/v2 v2.0.2
 	github.com/nadoo/ipset v0.5.0
-	github.com/netbirdio/management-integrations/integrations v0.0.0-20250812185008-dfc66fa49a2e
+	github.com/netbirdio/management-integrations/integrations v0.0.0-20250820151658-9ee1b34f4190
 	github.com/netbirdio/signal-dispatcher/dispatcher v0.0.0-20250805121659-6b4ac470ca45
 	github.com/okta/okta-sdk-golang/v2 v2.18.0
 	github.com/oschwald/maxminddb-golang v1.12.0
@@ -93,18 +93,18 @@ require (
 	github.com/yusufpapurcu/wmi v1.2.4
 	github.com/zcalusic/sysinfo v1.1.3
 	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.49.0
-	go.opentelemetry.io/otel v1.26.0
+	go.opentelemetry.io/otel v1.35.0
 	go.opentelemetry.io/otel/exporters/prometheus v0.48.0
-	go.opentelemetry.io/otel/metric v1.26.0
-	go.opentelemetry.io/otel/sdk/metric v1.26.0
+	go.opentelemetry.io/otel/metric v1.35.0
+	go.opentelemetry.io/otel/sdk/metric v1.35.0
 	go.uber.org/zap v1.27.0
 	goauthentik.io/api/v3 v3.2023051.3
 	golang.org/x/exp v0.0.0-20240506185415-9bf2ced13842
 	golang.org/x/mobile v0.0.0-20231127183840-76ac6878050a
-	golang.org/x/net v0.39.0
-	golang.org/x/oauth2 v0.27.0
-	golang.org/x/sync v0.13.0
-	golang.org/x/term v0.31.0
+	golang.org/x/net v0.42.0
+	golang.org/x/oauth2 v0.28.0
+	golang.org/x/sync v0.16.0
+	golang.org/x/term v0.33.0
 	google.golang.org/api v0.177.0
 	gopkg.in/yaml.v3 v3.0.1
 	gorm.io/driver/mysql v1.5.7
@@ -117,7 +117,7 @@ require (
 require (
 	cloud.google.com/go/auth v0.3.0 // indirect
 	cloud.google.com/go/auth/oauth2adapt v0.2.2 // indirect
-	cloud.google.com/go/compute/metadata v0.3.0 // indirect
+	cloud.google.com/go/compute/metadata v0.6.0 // indirect
 	dario.cat/mergo v1.0.0 // indirect
 	filippo.io/edwards25519 v1.1.0 // indirect
 	github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161 // indirect
@@ -151,7 +151,7 @@ require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
 	github.com/distribution/reference v0.6.0 // indirect
-	github.com/docker/docker v26.1.5+incompatible // indirect
+	github.com/docker/docker v28.0.0+incompatible // indirect
 	github.com/docker/go-connections v0.5.0 // indirect
 	github.com/docker/go-units v0.5.0 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
@@ -232,19 +232,19 @@ require (
 	github.com/yuin/goldmark v1.7.1 // indirect
 	github.com/zeebo/blake3 v0.2.3 // indirect
 	go.opencensus.io v0.24.0 // indirect
+	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.51.0 // indirect
-	go.opentelemetry.io/otel/sdk v1.26.0 // indirect
-	go.opentelemetry.io/otel/trace v1.26.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.35.0 // indirect
+	go.opentelemetry.io/otel/trace v1.35.0 // indirect
 	go.uber.org/mock v0.4.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/image v0.18.0 // indirect
-	golang.org/x/mod v0.17.0 // indirect
-	golang.org/x/text v0.24.0 // indirect
+	golang.org/x/mod v0.25.0 // indirect
+	golang.org/x/text v0.27.0 // indirect
 	golang.org/x/time v0.5.0 // indirect
-	golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d // indirect
+	golang.org/x/tools v0.34.0 // indirect
 	golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20240509183442-62759503f434 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20250707201910-8d1bb00bc6a7 // indirect
 	gopkg.in/square/go-jose.v2 v2.6.0 // indirect
 	gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
 )

go.sum

@@ -29,8 +29,8 @@ cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUM
 cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
 cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
 cloud.google.com/go/compute/metadata v0.2.0/go.mod h1:zFmK7XCadkQkj6TtorcaGlCW1hT1fIilQDwofLpJ20k=
-cloud.google.com/go/compute/metadata v0.3.0 h1:Tz+eQXMEqDIKRsmY3cHTL6FVaynIjX2QxYC4trgAKZc=
-cloud.google.com/go/compute/metadata v0.3.0/go.mod h1:zFmK7XCadkQkj6TtorcaGlCW1hT1fIilQDwofLpJ20k=
+cloud.google.com/go/compute/metadata v0.6.0 h1:A6hENjEsCDtC1k8byVsgwvVcioamEHvZ4j01OwKxG9I=
+cloud.google.com/go/compute/metadata v0.6.0/go.mod h1:FjyFAW1MW0C203CEOMDTu3Dk1FlqW3Rga40jzHL4hfg=
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
 cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
 cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
@@ -167,8 +167,8 @@ github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/r
 github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
 github.com/distribution/reference v0.6.0 h1:0IXCQ5g4/QMHHkarYzh5l+u8T3t73zM5QvfrDyIgxBk=
 github.com/distribution/reference v0.6.0/go.mod h1:BbU0aIcezP1/5jX/8MP0YiH4SdvB5Y4f/wlDRiLyi3E=
-github.com/docker/docker v26.1.5+incompatible h1:NEAxTwEjxV6VbBMBoGG3zPqbiJosIApZjxlbrG9q3/g=
-github.com/docker/docker v26.1.5+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
+github.com/docker/docker v28.0.0+incompatible h1:Olh0KS820sJ7nPsBKChVhk5pzqcwDR15fumfAd/p9hM=
+github.com/docker/docker v28.0.0+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
 github.com/docker/go-connections v0.5.0 h1:USnMq7hx7gwdVZq1L49hLXaFtUdTADjXGp+uj1Br63c=
 github.com/docker/go-connections v0.5.0/go.mod h1:ov60Kzw0kKElRwhNs9UlUHAE/F9Fe6GLaXnqyDdmEXc=
 github.com/docker/go-units v0.5.0 h1:69rxXcBk27SvSaaxTtLh/8llcHD8vYHT7WSdRZ/jvr4=
@@ -246,8 +246,8 @@ github.com/godbus/dbus/v5 v5.1.0 h1:4KLkAxT3aOY8Li4FRJe/KvhoNFFxo0m6fNuFUO8QJUk=
 github.com/godbus/dbus/v5 v5.1.0/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
 github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
 github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
-github.com/golang-jwt/jwt v3.2.2+incompatible h1:IfV12K8xAKAnZqdXVzCZ+TOjboZ2keLg81eXfW3O+oY=
-github.com/golang-jwt/jwt v3.2.2+incompatible/go.mod h1:8pz2t5EyA70fFQQSrl6XZXzqecmYZeUEB8OUGHkxJ+I=
+github.com/golang-jwt/jwt/v5 v5.3.0 h1:pv4AsKCKKZuqlgs5sUmn4x8UlGa0kEVt/puTpKx9vvo=
+github.com/golang-jwt/jwt/v5 v5.3.0/go.mod h1:fxCRLWMO43lRc8nhHWY6LGqRcf+1gQWArsqaEUEa5bE=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
@@ -503,8 +503,8 @@ github.com/netbirdio/go-netroute v0.0.0-20240611143515-f59b0e1d3944 h1:TDtJKmM6S
 github.com/netbirdio/go-netroute v0.0.0-20240611143515-f59b0e1d3944/go.mod h1:sHA6TRxjQ6RLbnI+3R4DZo2Eseg/iKiPRfNmcuNySVQ=
 github.com/netbirdio/ice/v3 v3.0.0-20240315174635-e72a50fcb64e h1:PURA50S8u4mF6RrkYYCAvvPCixhqqEiEy3Ej6avh04c=
 github.com/netbirdio/ice/v3 v3.0.0-20240315174635-e72a50fcb64e/go.mod h1:YMLU7qbKfVjmEv7EoZPIVEI+kNYxWCdPK3VS0BU+U4Q=
-github.com/netbirdio/management-integrations/integrations v0.0.0-20250812185008-dfc66fa49a2e h1:S85laGfx1UP+nmRF9smP6/TY965kLWz41PbBK1TX8g0=
-github.com/netbirdio/management-integrations/integrations v0.0.0-20250812185008-dfc66fa49a2e/go.mod h1:Jjve0+eUjOLKL3PJtAhjfM2iJ0SxWio5elHqlV1ymP8=
+github.com/netbirdio/management-integrations/integrations v0.0.0-20250820151658-9ee1b34f4190 h1:/ZbExdcDwRq6XgTpTf5I1DPqnC3eInEf0fcmkqR8eSg=
+github.com/netbirdio/management-integrations/integrations v0.0.0-20250820151658-9ee1b34f4190/go.mod h1:v0nUbbHbuQnqR7yKIYnKzsLBCswLtp2JctmKYmGgVhc=
 github.com/netbirdio/service v0.0.0-20240911161631-f62744f42502 h1:3tHlFmhTdX9axERMVN63dqyFqnvuD+EMJHzM7mNGON8=
 github.com/netbirdio/service v0.0.0-20240911161631-f62744f42502/go.mod h1:CIMRFEJVL+0DS1a3Nx06NaMn4Dz63Ng6O7dl0qH0zVM=
 github.com/netbirdio/signal-dispatcher/dispatcher v0.0.0-20250805121659-6b4ac470ca45 h1:ujgviVYmx243Ksy7NdSwrdGPSRNE3pb8kEDSpH0QuAQ=
@@ -588,8 +588,8 @@ github.com/redis/go-redis/v9 v9.7.3 h1:YpPyAayJV+XErNsatSElgRZZVCwXX9QzkKYNvO7x0
 github.com/redis/go-redis/v9 v9.7.3/go.mod h1:bGUrSggJ9X9GUmZpZNEOQKaANxSGgOEBRltRTZHSvrA=
 github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
-github.com/rogpeppe/go-internal v1.11.0 h1:cWPaGQEPrBb5/AsnsZesgZZ9yb1OQ+GOISoDNXVBh4M=
-github.com/rogpeppe/go-internal v1.11.0/go.mod h1:ddIwULY96R17DhadqLgMfk9H9tvdUzkipdSkR5nkCZA=
+github.com/rogpeppe/go-internal v1.13.1 h1:KvO1DLK/DRN07sQ1LQKScxyZJuNnedQ5/wKSR38lUII=
+github.com/rogpeppe/go-internal v1.13.1/go.mod h1:uMEvuHeurkdAXX61udpOXGD/AzZDWNMNyH2VO9fmH0o=
 github.com/rs/cors v1.8.0 h1:P2KMzcFwrPoSjkF1WLRPsp3UMLyql8L4v9hQpVeK5so=
 github.com/rs/cors v1.8.0/go.mod h1:EBwu+T5AvHOcXwvZIkQFjUN6s8Czyqw12GL/Y0tUyRM=
 github.com/rs/xid v1.3.0 h1:6NjYksEUlhurdVehpc7S7dk6DAmcKv8V9gG0FsVN2U4=
@@ -712,26 +712,28 @@ go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
 go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
 go.opencensus.io v0.24.0 h1:y73uSU6J157QMP2kn2r30vwW1A2W2WFwSCGnAVxeaD0=
 go.opencensus.io v0.24.0/go.mod h1:vNK8G9p7aAivkbmorf4v+7Hgx+Zs0yY+0fOtgBfjQKo=
+go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=
+go.opentelemetry.io/auto/sdk v1.1.0/go.mod h1:3wSPjt5PWp2RhlCcmmOial7AvC4DQqZb7a7wCow3W8A=
 go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.49.0 h1:4Pp6oUg3+e/6M4C0A/3kJ2VYa++dsWVTtGgLVj5xtHg=
 go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.49.0/go.mod h1:Mjt1i1INqiaoZOMGR1RIUJN+i3ChKoFRqzrRQhlkbs0=
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.51.0 h1:Xs2Ncz0gNihqu9iosIZ5SkBbWo5T8JhhLJFMQL1qmLI=
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.51.0/go.mod h1:vy+2G/6NvVMpwGX/NyLqcC41fxepnuKHk16E6IZUcJc=
-go.opentelemetry.io/otel v1.26.0 h1:LQwgL5s/1W7YiiRwxf03QGnWLb2HW4pLiAhaA5cZXBs=
-go.opentelemetry.io/otel v1.26.0/go.mod h1:UmLkJHUAidDval2EICqBMbnAd0/m2vmpf/dAM+fvFs4=
+go.opentelemetry.io/otel v1.35.0 h1:xKWKPxrxB6OtMCbmMY021CqC45J+3Onta9MqjhnusiQ=
+go.opentelemetry.io/otel v1.35.0/go.mod h1:UEqy8Zp11hpkUrL73gSlELM0DupHoiq72dR+Zqel/+Y=
 go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.19.0 h1:Mne5On7VWdx7omSrSSZvM4Kw7cS7NQkOOmLcgscI51U=
 go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.19.0/go.mod h1:IPtUMKL4O3tH5y+iXVyAXqpAwMuzC1IrxVS81rummfE=
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.19.0 h1:IeMeyr1aBvBiPVYihXIaeIZba6b8E1bYp7lbdxK8CQg=
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.19.0/go.mod h1:oVdCUtjq9MK9BlS7TtucsQwUcXcymNiEDjgDD2jMtZU=
 go.opentelemetry.io/otel/exporters/prometheus v0.48.0 h1:sBQe3VNGUjY9IKWQC6z2lNqa5iGbDSxhs60ABwK4y0s=
 go.opentelemetry.io/otel/exporters/prometheus v0.48.0/go.mod h1:DtrbMzoZWwQHyrQmCfLam5DZbnmorsGbOtTbYHycU5o=
-go.opentelemetry.io/otel/metric v1.26.0 h1:7S39CLuY5Jgg9CrnA9HHiEjGMF/X2VHvoXGgSllRz30=
-go.opentelemetry.io/otel/metric v1.26.0/go.mod h1:SY+rHOI4cEawI9a7N1A4nIg/nTQXe1ccCNWYOJUrpX4=
-go.opentelemetry.io/otel/sdk v1.26.0 h1:Y7bumHf5tAiDlRYFmGqetNcLaVUZmh4iYfmGxtmz7F8=
-go.opentelemetry.io/otel/sdk v1.26.0/go.mod h1:0p8MXpqLeJ0pzcszQQN4F0S5FVjBLgypeGSngLsmirs=
-go.opentelemetry.io/otel/sdk/metric v1.26.0 h1:cWSks5tfriHPdWFnl+qpX3P681aAYqlZHcAyHw5aU9Y=
-go.opentelemetry.io/otel/sdk/metric v1.26.0/go.mod h1:ClMFFknnThJCksebJwz7KIyEDHO+nTB6gK8obLy8RyE=
-go.opentelemetry.io/otel/trace v1.26.0 h1:1ieeAUb4y0TE26jUFrCIXKpTuVK7uJGN9/Z/2LP5sQA=
-go.opentelemetry.io/otel/trace v1.26.0/go.mod h1:4iDxvGDQuUkHve82hJJ8UqrwswHYsZuWCBllGV2U2y0=
+go.opentelemetry.io/otel/metric v1.35.0 h1:0znxYu2SNyuMSQT4Y9WDWej0VpcsxkuklLa4/siN90M=
+go.opentelemetry.io/otel/metric v1.35.0/go.mod h1:nKVFgxBZ2fReX6IlyW28MgZojkoAkJGaE8CpgeAU3oE=
+go.opentelemetry.io/otel/sdk v1.35.0 h1:iPctf8iprVySXSKJffSS79eOjl9pvxV9ZqOWT0QejKY=
+go.opentelemetry.io/otel/sdk v1.35.0/go.mod h1:+ga1bZliga3DxJ3CQGg3updiaAJoNECOgJREo9KHGQg=
+go.opentelemetry.io/otel/sdk/metric v1.35.0 h1:1RriWBmCKgkeHEhM7a2uMjMUfP7MsOF5JpUCaEqEI9o=
+go.opentelemetry.io/otel/sdk/metric v1.35.0/go.mod h1:is6XYCUMpcKi+ZsOvfluY5YstFnhW0BidkR+gL+qN+w=
+go.opentelemetry.io/otel/trace v1.35.0 h1:dPpEfJu1sDIqruz7BHFG3c7528f6ddfSWfFDVt/xgMs=
+go.opentelemetry.io/otel/trace v1.35.0/go.mod h1:WUk7DtFp1Aw2MkvqGdwiXYDZZNvA/1J8o6xRXLrIkyc=
 go.opentelemetry.io/proto/otlp v1.0.0 h1:T0TX0tmXU8a3CbNXzEKGeU5mIVOdf0oykP+u2lIVU/I=
 go.opentelemetry.io/proto/otlp v1.0.0/go.mod h1:Sy6pihPLfYHkr3NkUbEhGHFhINUSI/v80hjKIs5JXpM=
 go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
@@ -759,8 +761,8 @@ golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5y
 golang.org/x/crypto v0.8.0/go.mod h1:mRqEX+O9/h5TFCrQhkgjo2yKi0yYA+9ecGkdQoHrywE=
 golang.org/x/crypto v0.12.0/go.mod h1:NF0Gs7EO5K4qLn+Ylc+fih8BSTeIjAP05siRnAh98yw=
 golang.org/x/crypto v0.18.0/go.mod h1:R0j02AL6hcrfOiy9T4ZYp/rcWeMxM3L6QYxlOuEG1mg=
-golang.org/x/crypto v0.37.0 h1:kJNSjF/Xp7kU0iB2Z+9viTPMW4EqqsrywMXLJOOsXSE=
-golang.org/x/crypto v0.37.0/go.mod h1:vg+k43peMZ0pUMhYmVAWysMK35e6ioLh3wB8ZCAfbVc=
+golang.org/x/crypto v0.40.0 h1:r4x+VvoG5Fm+eJcxMaY8CQM7Lb0l1lsmjGBQ6s8BfKM=
+golang.org/x/crypto v0.40.0/go.mod h1:Qr1vMER5WyS2dfPHAlsOj01wgLbsyWtFn/aY+5+ZdxY=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
@@ -806,8 +808,8 @@ golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
 golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
-golang.org/x/mod v0.17.0 h1:zY54UmvipHiNd+pm+m0x9KhZ9hl1/7QNMyxXbc6ICqA=
-golang.org/x/mod v0.17.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
+golang.org/x/mod v0.25.0 h1:n7a+ZbQKQA/Ysbyb0/6IbB1H/X41mKgbhfv7AfG/44w=
+golang.org/x/mod v0.25.0/go.mod h1:IXM97Txy2VM4PJ3gI61r1YEk/gAj6zAHN3AdZt6S9Ww=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -853,8 +855,8 @@ golang.org/x/net v0.9.0/go.mod h1:d48xBJpPfHeWQsugry2m+kC02ZBRGRgulfHnEXEuWns=
 golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
 golang.org/x/net v0.14.0/go.mod h1:PpSgVXXLK0OxS0F31C1/tv6XNguvCrnXIDrFMspZIUI=
 golang.org/x/net v0.20.0/go.mod h1:z8BVo6PvndSri0LbOE3hAn0apkU+1YvI6E70E9jsnvY=
-golang.org/x/net v0.39.0 h1:ZCu7HMWDxpXpaiKdhzIfaltL9Lp31x/3fCP11bc6/fY=
-golang.org/x/net v0.39.0/go.mod h1:X7NRbYVEA+ewNkCNyJ513WmMdQ3BineSwVtN2zD/d+E=
+golang.org/x/net v0.42.0 h1:jzkYrhi3YQWD6MLBJcsklgQsoAcw89EcZbJw8Z614hs=
+golang.org/x/net v0.42.0/go.mod h1:FF1RA5d3u7nAYA4z2TkclSCKh68eSXtiFwcWQpPXdt8=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -868,8 +870,8 @@ golang.org/x/oauth2 v0.0.0-20210220000619-9bb904979d93/go.mod h1:KelEdhl1UZF7XfJ
 golang.org/x/oauth2 v0.0.0-20210313182246-cd4f82c27b84/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/oauth2 v0.0.0-20210402161424-2e8d93401602/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/oauth2 v0.8.0/go.mod h1:yr7u4HXZRm1R1kBWqr/xKNqewf0plRYoB7sla+BCIXE=
-golang.org/x/oauth2 v0.27.0 h1:da9Vo7/tDv5RH/7nZDz1eMGS/q1Vv1N/7FCrBhI9I3M=
-golang.org/x/oauth2 v0.27.0/go.mod h1:onh5ek6nERTohokkhCD/y2cV4Do3fxFHFuAejCkRWT8=
+golang.org/x/oauth2 v0.28.0 h1:CrgCKl8PPAVtLnU3c+EDw6x11699EWlsDeWNWKdIOkc=
+golang.org/x/oauth2 v0.28.0/go.mod h1:onh5ek6nERTohokkhCD/y2cV4Do3fxFHFuAejCkRWT8=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -883,8 +885,8 @@ golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.13.0 h1:AauUjRAJ9OSnvULf/ARrrVywoJDy0YS2AwQ98I37610=
-golang.org/x/sync v0.13.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
+golang.org/x/sync v0.16.0 h1:ycBJEhp9p4vXvUZNszeOq0kGTPghopOL8q0fq3vstxw=
+golang.org/x/sync v0.16.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
 golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -952,8 +954,8 @@ golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.32.0 h1:s77OFDvIQeibCmezSnk/q6iAfkdiQaJi4VzroCFrN20=
-golang.org/x/sys v0.32.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
+golang.org/x/sys v0.34.0 h1:H5Y5sJ2L2JRdyv7ROF1he/lPdvFsd0mJHFw2ThKHxLA=
+golang.org/x/sys v0.34.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
@@ -961,8 +963,8 @@ golang.org/x/term v0.7.0/go.mod h1:P32HKFT3hSsZrRxla30E9HqToFYAQPCMs/zFMBUFqPY=
 golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
 golang.org/x/term v0.11.0/go.mod h1:zC9APTIj3jG3FdV/Ons+XE1riIZXG4aZ4GTHiPZJPIU=
 golang.org/x/term v0.16.0/go.mod h1:yn7UURbUtPyrVJPGPq404EukNFxcm/foM+bV/bfcDsY=
-golang.org/x/term v0.31.0 h1:erwDkOK1Msy6offm1mOgvspSkslFnIGsFnxOKoufg3o=
-golang.org/x/term v0.31.0/go.mod h1:R4BeIy7D95HzImkxGkTW1UQTtP54tio2RyHz7PwK0aw=
+golang.org/x/term v0.33.0 h1:NuFncQrRcaRvVmgRkvM3j/F00gWIAlcmlB8ACEKmGIg=
+golang.org/x/term v0.33.0/go.mod h1:s18+ql9tYWp1IfpV9DmCtQDDSRBUjKaw9M1eAv5UeF0=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -976,8 +978,8 @@ golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
 golang.org/x/text v0.12.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
 golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
-golang.org/x/text v0.24.0 h1:dd5Bzh4yt5KYA8f9CJHCP4FB4D51c2c6JvN37xJJkJ0=
-golang.org/x/text v0.24.0/go.mod h1:L8rBsPeo2pSS+xqN0d5u2ikmjtmoJbDBT1b7nHvFCdU=
+golang.org/x/text v0.27.0 h1:4fGWRpyh641NLlecmyl4LOe6yDdfaYNrGb2zdfo4JV4=
+golang.org/x/text v0.27.0/go.mod h1:1D28KMCvyooCX9hBiosv5Tz/+YLxj0j7XhWjpSUF7CU=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
@@ -1040,8 +1042,8 @@ golang.org/x/tools v0.1.5/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/tools v0.1.8-0.20211022200916-316ba0b74098/go.mod h1:LGqMHiF4EqQNHR1JncWGqT5BVaXmza+X+BDGol+dOxo=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
-golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d h1:vU5i/LfpvrRCpgM/VPfJLg5KjxD3E+hfT1SH+d9zLwg=
-golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d/go.mod h1:aiJjzUbINMkxbQROHiO6hDPo2LHcIPhhQsa9DLh0yGk=
+golang.org/x/tools v0.34.0 h1:qIpSLOxeCYGg9TrcJokLBG4KFA6d795g0xkBkiESGlo=
+golang.org/x/tools v0.34.0/go.mod h1:pAP9OwEaY1CAW3HOmg3hLZC5Z0CCmzjAF2UQMSqNARg=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -1124,10 +1126,11 @@ google.golang.org/genproto v0.0.0-20210310155132-4ce2db91004e/go.mod h1:FWY/as6D
 google.golang.org/genproto v0.0.0-20210319143718-93e7006c17a6/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20210402141018-6c239bbf2bb1/go.mod h1:9lPAdzaEmUacj36I+k7YKbEc5CXzPIeORRgDAUOu28A=
 google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0=
-google.golang.org/genproto/googleapis/api v0.0.0-20240509183442-62759503f434 h1:OpXbo8JnN8+jZGPrL4SSfaDjSCjupr8lXyBAbexEm/U=
-google.golang.org/genproto/googleapis/api v0.0.0-20240509183442-62759503f434/go.mod h1:FfiGhwUm6CJviekPrc0oJ+7h29e+DmWU6UtjX0ZvI7Y=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 h1:pPJltXNxVzT4pK9yD8vR9X75DaWYYmLGMsEvBfFQZzQ=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1/go.mod h1:UqMtugtsSgubUsoxbuAoiCXvqvErP7Gf0so0mK9tHxU=
+google.golang.org/genproto v0.0.0-20240123012728-ef4313101c80 h1:KAeGQVN3M9nD0/bQXnr/ClcEMJ968gUXJQ9pwfSynuQ=
+google.golang.org/genproto/googleapis/api v0.0.0-20250324211829-b45e905df463 h1:hE3bRWtU6uceqlh4fhrSnUyjKHMKB9KrTLLG+bc0ddM=
+google.golang.org/genproto/googleapis/api v0.0.0-20250324211829-b45e905df463/go.mod h1:U90ffi8eUL9MwPcrJylN5+Mk2v3vuPDptd5yyNUiRR8=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20250707201910-8d1bb00bc6a7 h1:pFyd6EwwL2TqFf8emdthzeX+gZE1ElRq3iM8pui4KBY=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20250707201910-8d1bb00bc6a7/go.mod h1:qQ0YXyHHx3XkvlzUtpXDkS29lDSafHMZBAZDc03LQ3A=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
 google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
@@ -1148,8 +1151,8 @@ google.golang.org/grpc v1.35.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAG
 google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
 google.golang.org/grpc v1.36.1/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
 google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
-google.golang.org/grpc v1.64.1 h1:LKtvyfbX3UGVPFcGqJ9ItpVWW6oN/2XqTxfAnwRRXiA=
-google.golang.org/grpc v1.64.1/go.mod h1:hiQF4LFZelK2WKaP6W0L92zGHtiQdZxk8CrSdvyjeP0=
+google.golang.org/grpc v1.73.0 h1:VIWSmpI2MegBtTuFt5/JWy2oXxtjJ/e89Z70ImfD2ok=
+google.golang.org/grpc v1.73.0/go.mod h1:50sbHOUqWoCQGI8V2HQLJM0B+LMlIUjNSZmow7EVBQc=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=

management/server/account.go

@@ -297,9 +297,6 @@ func (am *DefaultAccountManager) GetIdpManager() idp.Manager {
 // User that performs the update has to belong to the account.
 // Returns an updated Settings
 func (am *DefaultAccountManager) UpdateAccountSettings(ctx context.Context, accountID, userID string, newSettings *types.Settings) (*types.Settings, error) {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	allowed, err := am.permissionsManager.ValidateUserPermissions(ctx, accountID, userID, modules.Settings, operations.Update)
 	if err != nil {
 		return nil, fmt.Errorf("failed to validate user permissions: %w", err)
@@ -345,13 +342,17 @@ func (am *DefaultAccountManager) UpdateAccountSettings(ctx context.Context, acco
 			}
 		}
 
+		if err = transaction.SaveAccountSettings(ctx, accountID, newSettings); err != nil {
+			return err
+		}
+
 		if updateAccountPeers || groupsUpdated {
 			if err = transaction.IncrementNetworkSerial(ctx, accountID); err != nil {
 				return err
 			}
 		}
 
-		return transaction.SaveAccountSettings(ctx, accountID, newSettings)
+		return nil
 	})
 	if err != nil {
 		return nil, err
@@ -495,8 +496,6 @@ func (am *DefaultAccountManager) peerLoginExpirationJob(ctx context.Context, acc
 		ctx := context.WithValue(ctx, nbcontext.AccountIDKey, accountID)
 		//nolint
 		ctx = context.WithValue(ctx, hook.ExecutionContextKey, fmt.Sprintf("%s-PEER-EXPIRATION", hook.SystemSource))
-		unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-		defer unlock()
 
 		expiredPeers, err := am.getExpiredPeers(ctx, accountID)
 		if err != nil {
@@ -532,9 +531,6 @@ func (am *DefaultAccountManager) schedulePeerLoginExpiration(ctx context.Context
 // peerInactivityExpirationJob marks login expired for all inactive peers and returns the minimum duration in which the next peer of the account will expire by inactivity if found
 func (am *DefaultAccountManager) peerInactivityExpirationJob(ctx context.Context, accountID string) func() (time.Duration, bool) {
 	return func() (time.Duration, bool) {
-		unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-		defer unlock()
-
 		inactivePeers, err := am.getInactivePeers(ctx, accountID)
 		if err != nil {
 			log.WithContext(ctx).Errorf("failed getting inactive peers for account %s", accountID)
@@ -675,8 +671,6 @@ func (am *DefaultAccountManager) isCacheCold(ctx context.Context, store cacheSto
 
 // DeleteAccount deletes an account and all its users from local store and from the remote IDP if the requester is an admin and account owner
 func (am *DefaultAccountManager) DeleteAccount(ctx context.Context, accountID, userID string) error {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
 	account, err := am.Store.GetAccount(ctx, accountID)
 	if err != nil {
 		return err
@@ -1045,9 +1039,6 @@ func (am *DefaultAccountManager) updateAccountDomainAttributesIfNotUpToDate(ctx
 		return nil
 	}
 
-	unlockAccount := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlockAccount()
-
 	accountDomain, domainCategory, err := am.Store.GetAccountDomainAndCategory(ctx, store.LockingStrengthNone, accountID)
 	if err != nil {
 		log.WithContext(ctx).Errorf("error getting account domain and category: %v", err)
@@ -1140,9 +1131,6 @@ func (am *DefaultAccountManager) addNewPrivateAccount(ctx context.Context, domai
 }
 
 func (am *DefaultAccountManager) addNewUserToDomainAccount(ctx context.Context, domainAccountID string, userAuth nbcontext.UserAuth) (string, error) {
-	unlockAccount := am.Store.AcquireWriteLockByUID(ctx, domainAccountID)
-	defer unlockAccount()
-
 	newUser := types.NewRegularUser(userAuth.UserId)
 	newUser.AccountID = domainAccountID
 	err := am.Store.SaveUser(ctx, newUser)
@@ -1354,13 +1342,6 @@ func (am *DefaultAccountManager) SyncUserJWTGroups(ctx context.Context, userAuth
 		return nil
 	}
 
-	unlockAccount := am.Store.AcquireWriteLockByUID(ctx, userAuth.AccountId)
-	defer func() {
-		if unlockAccount != nil {
-			unlockAccount()
-		}
-	}()
-
 	var addNewGroups []string
 	var removeOldGroups []string
 	var hasChanges bool
@@ -1423,8 +1404,6 @@ func (am *DefaultAccountManager) SyncUserJWTGroups(ctx context.Context, userAuth
 				return fmt.Errorf("error incrementing network serial: %w", err)
 			}
 		}
-		unlockAccount()
-		unlockAccount = nil
 
 		return nil
 	})
@@ -2098,9 +2077,6 @@ func (am *DefaultAccountManager) validateIPForUpdate(account *types.Account, pee
 }
 
 func (am *DefaultAccountManager) UpdatePeerIP(ctx context.Context, accountID, userID, peerID string, newIP netip.Addr) error {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	allowed, err := am.permissionsManager.ValidateUserPermissions(ctx, accountID, userID, modules.Peers, operations.Update)
 	if err != nil {
 		return fmt.Errorf("validate user permissions: %w", err)

management/server/auth/jwt/extractor.go

@@ -5,7 +5,7 @@ import (
 	"net/url"
 	"time"
 
-	"github.com/golang-jwt/jwt"
+	"github.com/golang-jwt/jwt/v5"
 	log "github.com/sirupsen/logrus"
 
 	nbcontext "github.com/netbirdio/netbird/management/server/context"

management/server/auth/jwt/validator.go

@@ -17,7 +17,7 @@ import (
 	"sync"
 	"time"
 
-	"github.com/golang-jwt/jwt"
+	"github.com/golang-jwt/jwt/v5"
 
 	log "github.com/sirupsen/logrus"
 )
@@ -64,8 +64,6 @@ type Validator struct {
 
 var (
 	errKeyNotFound  = errors.New("unable to find appropriate key")
-	errInvalidAudience = errors.New("invalid audience")
-	errInvalidIssuer   = errors.New("invalid issuer")
 	errTokenEmpty   = errors.New("required authorization token not found")
 	errTokenInvalid = errors.New("token is invalid")
 	errTokenParsing = errors.New("token could not be parsed")
@@ -88,24 +86,6 @@ func NewValidator(issuer string, audienceList []string, keysLocation string, idp
 
 func (v *Validator) getKeyFunc(ctx context.Context) jwt.Keyfunc {
 	return func(token *jwt.Token) (interface{}, error) {
-		// Verify 'aud' claim
-		var checkAud bool
-		for _, audience := range v.audienceList {
-			checkAud = token.Claims.(jwt.MapClaims).VerifyAudience(audience, false)
-			if checkAud {
-				break
-			}
-		}
-		if !checkAud {
-			return token, errInvalidAudience
-		}
-
-		// Verify 'issuer' claim
-		checkIss := token.Claims.(jwt.MapClaims).VerifyIssuer(v.issuer, false)
-		if !checkIss {
-			return token, errInvalidIssuer
-		}
-
 		// If keys are rotated, verify the keys prior to token validation
 		if v.idpSignkeyRefreshEnabled {
 			// If the keys are invalid, retrieve new ones
@@ -144,7 +124,7 @@ func (v *Validator) getKeyFunc(ctx context.Context) jwt.Keyfunc {
 }
 
 // ValidateAndParse validates the token and returns the parsed token
-func (m *Validator) ValidateAndParse(ctx context.Context, token string) (*jwt.Token, error) {
+func (v *Validator) ValidateAndParse(ctx context.Context, token string) (*jwt.Token, error) {
 	// If the token is empty...
 	if token == "" {
 		// If we get here, the required token is missing
@@ -153,7 +133,13 @@ func (m *Validator) ValidateAndParse(ctx context.Context, token string) (*jwt.To
 	}
 
 	// Now parse the token
-	parsedToken, err := jwt.Parse(token, m.getKeyFunc(ctx))
+	parsedToken, err := jwt.Parse(
+		token,
+		v.getKeyFunc(ctx),
+		jwt.WithAudience(v.audienceList...),
+		jwt.WithIssuer(v.issuer),
+		jwt.WithIssuedAt(),
+	)
 
 	// Check if there was an error in parsing...
 	if err != nil {

management/server/auth/manager.go

@@ -7,7 +7,7 @@ import (
 	"fmt"
 	"hash/crc32"
 
-	"github.com/golang-jwt/jwt"
+	"github.com/golang-jwt/jwt/v5"
 
 	"github.com/netbirdio/netbird/base62"
 	nbjwt "github.com/netbirdio/netbird/management/server/auth/jwt"

management/server/auth/manager_mock.go

@@ -3,7 +3,7 @@ package auth
 import (
 	"context"
 
-	"github.com/golang-jwt/jwt"
+	"github.com/golang-jwt/jwt/v5"
 
 	nbcontext "github.com/netbirdio/netbird/management/server/context"
 	"github.com/netbirdio/netbird/management/server/types"

management/server/auth/manager_test.go

@@ -12,7 +12,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/golang-jwt/jwt"
+	"github.com/golang-jwt/jwt/v5"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 

management/server/dns.go

@@ -113,11 +113,11 @@ func (am *DefaultAccountManager) SaveDNSSettings(ctx context.Context, accountID
 		events := am.prepareDNSSettingsEvents(ctx, transaction, accountID, userID, addedGroups, removedGroups)
 		eventsToStore = append(eventsToStore, events...)
 
-		if err = transaction.IncrementNetworkSerial(ctx, accountID); err != nil {
+		if err = transaction.SaveDNSSettings(ctx, accountID, dnsSettingsToSave); err != nil {
 			return err
 		}
 
-		return transaction.SaveDNSSettings(ctx, accountID, dnsSettingsToSave)
+		return transaction.IncrementNetworkSerial(ctx, accountID)
 	})
 	if err != nil {
 		return err

management/server/group.go

@@ -67,9 +67,6 @@ func (am *DefaultAccountManager) GetGroupByName(ctx context.Context, groupName,
 
 // CreateGroup object of the peers
 func (am *DefaultAccountManager) CreateGroup(ctx context.Context, accountID, userID string, newGroup *types.Group) error {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	allowed, err := am.permissionsManager.ValidateUserPermissions(ctx, accountID, userID, modules.Groups, operations.Create)
 	if err != nil {
 		return status.NewPermissionValidationError(err)
@@ -96,10 +93,6 @@ func (am *DefaultAccountManager) CreateGroup(ctx context.Context, accountID, use
 			return err
 		}
 
-		if err = transaction.IncrementNetworkSerial(ctx, accountID); err != nil {
-			return err
-		}
-
 		if err := transaction.CreateGroup(ctx, newGroup); err != nil {
 			return status.Errorf(status.Internal, "failed to create group: %v", err)
 		}
@@ -109,7 +102,8 @@ func (am *DefaultAccountManager) CreateGroup(ctx context.Context, accountID, use
 				return status.Errorf(status.Internal, "failed to add peer %s to group %s: %v", peerID, newGroup.ID, err)
 			}
 		}
-		return nil
+
+		return transaction.IncrementNetworkSerial(ctx, accountID)
 	})
 	if err != nil {
 		return err
@@ -128,9 +122,6 @@ func (am *DefaultAccountManager) CreateGroup(ctx context.Context, accountID, use
 
 // UpdateGroup object of the peers
 func (am *DefaultAccountManager) UpdateGroup(ctx context.Context, accountID, userID string, newGroup *types.Group) error {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	allowed, err := am.permissionsManager.ValidateUserPermissions(ctx, accountID, userID, modules.Groups, operations.Update)
 	if err != nil {
 		return status.NewPermissionValidationError(err)
@@ -176,11 +167,11 @@ func (am *DefaultAccountManager) UpdateGroup(ctx context.Context, accountID, use
 			return err
 		}
 
-		if err = transaction.IncrementNetworkSerial(ctx, accountID); err != nil {
+		if err = transaction.UpdateGroup(ctx, newGroup); err != nil {
 			return err
 		}
 
-		return transaction.UpdateGroup(ctx, newGroup)
+		return transaction.IncrementNetworkSerial(ctx, accountID)
 	})
 	if err != nil {
 		return err
@@ -234,11 +225,11 @@ func (am *DefaultAccountManager) CreateGroups(ctx context.Context, accountID, us
 			return err
 		}
 
-		if err = transaction.IncrementNetworkSerial(ctx, accountID); err != nil {
+		if err = transaction.CreateGroups(ctx, accountID, groupsToSave); err != nil {
 			return err
 		}
 
-		return transaction.CreateGroups(ctx, accountID, groupsToSave)
+		return transaction.IncrementNetworkSerial(ctx, accountID)
 	})
 	if err != nil {
 		return err
@@ -292,11 +283,11 @@ func (am *DefaultAccountManager) UpdateGroups(ctx context.Context, accountID, us
 			return err
 		}
 
-		if err = transaction.IncrementNetworkSerial(ctx, accountID); err != nil {
+		if err = transaction.UpdateGroups(ctx, accountID, groupsToSave); err != nil {
 			return err
 		}
 
-		return transaction.UpdateGroups(ctx, accountID, groupsToSave)
+		return transaction.IncrementNetworkSerial(ctx, accountID)
 	})
 	if err != nil {
 		return err
@@ -382,8 +373,6 @@ func (am *DefaultAccountManager) prepareGroupEvents(ctx context.Context, transac
 
 // DeleteGroup object of the peers.
 func (am *DefaultAccountManager) DeleteGroup(ctx context.Context, accountID, userID, groupID string) error {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
 	return am.DeleteGroups(ctx, accountID, userID, []string{groupID})
 }
 
@@ -423,11 +412,11 @@ func (am *DefaultAccountManager) DeleteGroups(ctx context.Context, accountID, us
 			deletedGroups = append(deletedGroups, group)
 		}
 
-		if err = transaction.IncrementNetworkSerial(ctx, accountID); err != nil {
+		if err = transaction.DeleteGroups(ctx, accountID, groupIDsToDelete); err != nil {
 			return err
 		}
 
-		return transaction.DeleteGroups(ctx, accountID, groupIDsToDelete)
+		return transaction.IncrementNetworkSerial(ctx, accountID)
 	})
 	if err != nil {
 		return err
@@ -442,9 +431,6 @@ func (am *DefaultAccountManager) DeleteGroups(ctx context.Context, accountID, us
 
 // GroupAddPeer appends peer to the group
 func (am *DefaultAccountManager) GroupAddPeer(ctx context.Context, accountID, groupID, peerID string) error {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	var updateAccountPeers bool
 	var err error
 
@@ -454,11 +440,11 @@ func (am *DefaultAccountManager) GroupAddPeer(ctx context.Context, accountID, gr
 			return err
 		}
 
-		if err = transaction.IncrementNetworkSerial(ctx, accountID); err != nil {
+		if err = transaction.AddPeerToGroup(ctx, accountID, peerID, groupID); err != nil {
 			return err
 		}
 
-		return transaction.AddPeerToGroup(ctx, accountID, peerID, groupID)
+		return transaction.IncrementNetworkSerial(ctx, accountID)
 	})
 	if err != nil {
 		return err
@@ -473,9 +459,6 @@ func (am *DefaultAccountManager) GroupAddPeer(ctx context.Context, accountID, gr
 
 // GroupAddResource appends resource to the group
 func (am *DefaultAccountManager) GroupAddResource(ctx context.Context, accountID, groupID string, resource types.Resource) error {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	var group *types.Group
 	var updateAccountPeers bool
 	var err error
@@ -495,11 +478,11 @@ func (am *DefaultAccountManager) GroupAddResource(ctx context.Context, accountID
 			return err
 		}
 
-		if err = transaction.IncrementNetworkSerial(ctx, accountID); err != nil {
+		if err = transaction.UpdateGroup(ctx, group); err != nil {
 			return err
 		}
 
-		return transaction.UpdateGroup(ctx, group)
+		return transaction.IncrementNetworkSerial(ctx, accountID)
 	})
 	if err != nil {
 		return err
@@ -514,9 +497,6 @@ func (am *DefaultAccountManager) GroupAddResource(ctx context.Context, accountID
 
 // GroupDeletePeer removes peer from the group
 func (am *DefaultAccountManager) GroupDeletePeer(ctx context.Context, accountID, groupID, peerID string) error {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	var updateAccountPeers bool
 	var err error
 
@@ -526,11 +506,11 @@ func (am *DefaultAccountManager) GroupDeletePeer(ctx context.Context, accountID,
 			return err
 		}
 
-		if err = transaction.IncrementNetworkSerial(ctx, accountID); err != nil {
+		if err = transaction.RemovePeerFromGroup(ctx, peerID, groupID); err != nil {
 			return err
 		}
 
-		return transaction.RemovePeerFromGroup(ctx, peerID, groupID)
+		return transaction.IncrementNetworkSerial(ctx, accountID)
 	})
 	if err != nil {
 		return err
@@ -545,9 +525,6 @@ func (am *DefaultAccountManager) GroupDeletePeer(ctx context.Context, accountID,
 
 // GroupDeleteResource removes resource from the group
 func (am *DefaultAccountManager) GroupDeleteResource(ctx context.Context, accountID, groupID string, resource types.Resource) error {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	var group *types.Group
 	var updateAccountPeers bool
 	var err error
@@ -567,11 +544,11 @@ func (am *DefaultAccountManager) GroupDeleteResource(ctx context.Context, accoun
 			return err
 		}
 
-		if err = transaction.IncrementNetworkSerial(ctx, accountID); err != nil {
+		if err = transaction.UpdateGroup(ctx, group); err != nil {
 			return err
 		}
 
-		return transaction.UpdateGroup(ctx, group)
+		return transaction.IncrementNetworkSerial(ctx, accountID)
 	})
 	if err != nil {
 		return err

management/server/grpcserver.go

@@ -198,7 +198,7 @@ func (s *GRPCServer) Sync(req *proto.EncryptedMessage, srv proto.ManagementServi
 	s.secretsManager.SetupRefresh(ctx, accountID, peer.ID)
 
 	if s.appMetrics != nil {
-		s.appMetrics.GRPCMetrics().CountSyncRequestDuration(time.Since(reqStart))
+		s.appMetrics.GRPCMetrics().CountSyncRequestDuration(time.Since(reqStart), accountID)
 	}
 
 	unlock()
@@ -436,11 +436,7 @@ func (s *GRPCServer) parseRequest(ctx context.Context, req *proto.EncryptedMessa
 // In case of the successful registration login is also successful
 func (s *GRPCServer) Login(ctx context.Context, req *proto.EncryptedMessage) (*proto.EncryptedMessage, error) {
 	reqStart := time.Now()
-	defer func() {
-		if s.appMetrics != nil {
-			s.appMetrics.GRPCMetrics().CountLoginRequestDuration(time.Since(reqStart))
-		}
-	}()
+
 	if s.appMetrics != nil {
 		s.appMetrics.GRPCMetrics().CountLoginRequest()
 	}
@@ -463,6 +459,12 @@ func (s *GRPCServer) Login(ctx context.Context, req *proto.EncryptedMessage) (*p
 	//nolint
 	ctx = context.WithValue(ctx, nbContext.AccountIDKey, accountID)
 
+	defer func() {
+		if s.appMetrics != nil {
+			s.appMetrics.GRPCMetrics().CountLoginRequestDuration(time.Since(reqStart), accountID)
+		}
+	}()
+
 	if loginReq.GetMeta() == nil {
 		msg := status.Errorf(codes.FailedPrecondition,
 			"peer system meta has to be provided to log in. Peer %s, remote addr %s", peerKey.String(), realIP)

management/server/http/middleware/auth_middleware.go

@@ -13,9 +13,9 @@ import (
 	"github.com/netbirdio/netbird/management/server/auth"
 	nbcontext "github.com/netbirdio/netbird/management/server/context"
 	"github.com/netbirdio/netbird/management/server/http/middleware/bypass"
+	"github.com/netbirdio/netbird/management/server/types"
 	"github.com/netbirdio/netbird/shared/management/http/util"
 	"github.com/netbirdio/netbird/shared/management/status"
-	"github.com/netbirdio/netbird/management/server/types"
 )
 
 type EnsureAccountFunc func(ctx context.Context, userAuth nbcontext.UserAuth) (string, string, error)

management/server/http/middleware/auth_middleware_test.go

@@ -8,16 +8,15 @@ import (
 	"testing"
 	"time"
 
-	"github.com/golang-jwt/jwt"
+	"github.com/golang-jwt/jwt/v5"
 	"github.com/stretchr/testify/assert"
 
 	"github.com/netbirdio/netbird/management/server/auth"
 	nbjwt "github.com/netbirdio/netbird/management/server/auth/jwt"
 	nbcontext "github.com/netbirdio/netbird/management/server/context"
-	"github.com/netbirdio/netbird/management/server/util"
-
 	"github.com/netbirdio/netbird/management/server/http/middleware/bypass"
 	"github.com/netbirdio/netbird/management/server/types"
+	"github.com/netbirdio/netbird/management/server/util"
 )
 
 const (

management/server/http/testing/testing_tools/tools.go

@@ -14,7 +14,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/golang-jwt/jwt"
+	"github.com/golang-jwt/jwt/v5"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/stretchr/testify/assert"
 	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"

management/server/idp/auth0.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"compress/gzip"
 	"context"
+	"encoding/base64"
 	"encoding/json"
 	"fmt"
 	"io"
@@ -16,7 +17,6 @@ import (
 
 	"github.com/netbirdio/netbird/management/server/telemetry"
 
-	"github.com/golang-jwt/jwt"
 	log "github.com/sirupsen/logrus"
 )
 
@@ -231,7 +231,7 @@ func (c *Auth0Credentials) parseRequestJWTResponse(rawBody io.ReadCloser) (JWTTo
 	if jwtToken.ExpiresIn == 0 && jwtToken.AccessToken == "" {
 		return jwtToken, fmt.Errorf("error while reading response body, expires_in: %d and access_token: %s", jwtToken.ExpiresIn, jwtToken.AccessToken)
 	}
-	data, err := jwt.DecodeSegment(strings.Split(jwtToken.AccessToken, ".")[1])
+	data, err := base64.RawURLEncoding.DecodeString(strings.Split(jwtToken.AccessToken, ".")[1])
 	if err != nil {
 		return jwtToken, err
 	}

management/server/idp/auth0_test.go

@@ -11,12 +11,11 @@ import (
 	"testing"
 	"time"
 
+	"github.com/golang-jwt/jwt/v5"
+	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
 	"github.com/netbirdio/netbird/management/server/telemetry"
-
-	"github.com/golang-jwt/jwt"
-	"github.com/stretchr/testify/assert"
 )
 
 type mockHTTPClient struct {

management/server/idp/authentik.go

@@ -2,6 +2,7 @@ package idp
 
 import (
 	"context"
+	"encoding/base64"
 	"fmt"
 	"io"
 	"net/http"
@@ -11,7 +12,6 @@ import (
 	"sync"
 	"time"
 
-	"github.com/golang-jwt/jwt"
 	log "github.com/sirupsen/logrus"
 	"goauthentik.io/api/v3"
 
@@ -166,7 +166,7 @@ func (ac *AuthentikCredentials) parseRequestJWTResponse(rawBody io.ReadCloser) (
 		return jwtToken, fmt.Errorf("error while reading response body, expires_in: %d and access_token: %s", jwtToken.ExpiresIn, jwtToken.AccessToken)
 	}
 
-	data, err := jwt.DecodeSegment(strings.Split(jwtToken.AccessToken, ".")[1])
+	data, err := base64.RawURLEncoding.DecodeString(strings.Split(jwtToken.AccessToken, ".")[1])
 	if err != nil {
 		return jwtToken, err
 	}

management/server/idp/azure.go

@@ -2,6 +2,7 @@ package idp
 
 import (
 	"context"
+	"encoding/base64"
 	"fmt"
 	"io"
 	"net/http"
@@ -10,7 +11,6 @@ import (
 	"sync"
 	"time"
 
-	"github.com/golang-jwt/jwt"
 	log "github.com/sirupsen/logrus"
 
 	"github.com/netbirdio/netbird/management/server/telemetry"
@@ -168,7 +168,7 @@ func (ac *AzureCredentials) parseRequestJWTResponse(rawBody io.ReadCloser) (JWTT
 		return jwtToken, fmt.Errorf("error while reading response body, expires_in: %d and access_token: %s", jwtToken.ExpiresIn, jwtToken.AccessToken)
 	}
 
-	data, err := jwt.DecodeSegment(strings.Split(jwtToken.AccessToken, ".")[1])
+	data, err := base64.RawURLEncoding.DecodeString(strings.Split(jwtToken.AccessToken, ".")[1])
 	if err != nil {
 		return jwtToken, err
 	}

management/server/idp/keycloak.go

@@ -2,6 +2,7 @@ package idp
 
 import (
 	"context"
+	"encoding/base64"
 	"fmt"
 	"io"
 	"net/http"
@@ -11,7 +12,6 @@ import (
 	"sync"
 	"time"
 
-	"github.com/golang-jwt/jwt"
 	log "github.com/sirupsen/logrus"
 
 	"github.com/netbirdio/netbird/management/server/telemetry"
@@ -158,7 +158,7 @@ func (kc *KeycloakCredentials) parseRequestJWTResponse(rawBody io.ReadCloser) (J
 		return jwtToken, fmt.Errorf("error while reading response body, expires_in: %d and access_token: %s", jwtToken.ExpiresIn, jwtToken.AccessToken)
 	}
 
-	data, err := jwt.DecodeSegment(strings.Split(jwtToken.AccessToken, ".")[1])
+	data, err := base64.RawURLEncoding.DecodeString(strings.Split(jwtToken.AccessToken, ".")[1])
 	if err != nil {
 		return jwtToken, err
 	}

management/server/idp/zitadel.go

@@ -2,6 +2,7 @@ package idp
 
 import (
 	"context"
+	"encoding/base64"
 	"errors"
 	"fmt"
 	"io"
@@ -12,7 +13,6 @@ import (
 	"sync"
 	"time"
 
-	"github.com/golang-jwt/jwt"
 	log "github.com/sirupsen/logrus"
 
 	"github.com/netbirdio/netbird/management/server/telemetry"
@@ -253,7 +253,7 @@ func (zc *ZitadelCredentials) parseRequestJWTResponse(rawBody io.ReadCloser) (JW
 		return jwtToken, fmt.Errorf("error while reading response body, expires_in: %d and access_token: %s", jwtToken.ExpiresIn, jwtToken.AccessToken)
 	}
 
-	data, err := jwt.DecodeSegment(strings.Split(jwtToken.AccessToken, ".")[1])
+	data, err := base64.RawURLEncoding.DecodeString(strings.Split(jwtToken.AccessToken, ".")[1])
 	if err != nil {
 		return jwtToken, err
 	}

management/server/integrated_validator.go

@@ -46,9 +46,6 @@ func (am *DefaultAccountManager) UpdateIntegratedValidator(ctx context.Context,
 		groups = []string{}
 	}
 
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	return am.Store.ExecuteInTransaction(ctx, func(transaction store.Store) error {
 		settings, err := transaction.GetAccountSettings(ctx, store.LockingStrengthUpdate, accountID)
 		if err != nil {

management/server/integrations/port_forwarding/controller.go

@@ -3,12 +3,14 @@ package port_forwarding
 import (
 	"context"
 
+	"github.com/netbirdio/netbird/management/server/peer"
 	nbtypes "github.com/netbirdio/netbird/management/server/types"
 )
 
 type Controller interface {
-	SendUpdate(ctx context.Context, accountID string, affectedProxyID string, affectedPeerIDs []string)
-	GetProxyNetworkMaps(ctx context.Context, accountID string) (map[string]*nbtypes.NetworkMap, error)
+	SendUpdate(ctx context.Context, accountID string, affectedProxyID string, affectedPeerIDs []string, accountPeers map[string]*peer.Peer)
+	GetProxyNetworkMaps(ctx context.Context, accountID, peerID string, accountPeers map[string]*peer.Peer) (map[string]*nbtypes.NetworkMap, error)
+	GetProxyNetworkMapsAll(ctx context.Context, accountID string, accountPeers map[string]*peer.Peer) (map[string]*nbtypes.NetworkMap, error)
 	IsPeerInIngressPorts(ctx context.Context, accountID, peerID string) (bool, error)
 }
 
@@ -19,11 +21,15 @@ func NewControllerMock() *ControllerMock {
 	return &ControllerMock{}
 }
 
-func (c *ControllerMock) SendUpdate(ctx context.Context, accountID string, affectedProxyID string, affectedPeerIDs []string) {
+func (c *ControllerMock) SendUpdate(ctx context.Context, accountID string, affectedProxyID string, affectedPeerIDs []string, accountPeers map[string]*peer.Peer) {
 	// noop
 }
 
-func (c *ControllerMock) GetProxyNetworkMaps(ctx context.Context, accountID string) (map[string]*nbtypes.NetworkMap, error) {
+func (c *ControllerMock) GetProxyNetworkMaps(ctx context.Context, accountID, peerID string, accountPeers map[string]*peer.Peer) (map[string]*nbtypes.NetworkMap, error) {
+	return make(map[string]*nbtypes.NetworkMap), nil
+}
+
+func (c *ControllerMock) GetProxyNetworkMapsAll(ctx context.Context, accountID string, accountPeers map[string]*peer.Peer) (map[string]*nbtypes.NetworkMap, error) {
 	return make(map[string]*nbtypes.NetworkMap), nil
 }
 

management/server/nameserver.go

@@ -37,9 +37,6 @@ func (am *DefaultAccountManager) GetNameServerGroup(ctx context.Context, account
 
 // CreateNameServerGroup creates and saves a new nameserver group
 func (am *DefaultAccountManager) CreateNameServerGroup(ctx context.Context, accountID string, name, description string, nameServerList []nbdns.NameServer, groups []string, primary bool, domains []string, enabled bool, userID string, searchDomainEnabled bool) (*nbdns.NameServerGroup, error) {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	allowed, err := am.permissionsManager.ValidateUserPermissions(ctx, accountID, userID, modules.Nameservers, operations.Create)
 	if err != nil {
 		return nil, status.NewPermissionValidationError(err)
@@ -73,11 +70,11 @@ func (am *DefaultAccountManager) CreateNameServerGroup(ctx context.Context, acco
 			return err
 		}
 
-		if err = transaction.IncrementNetworkSerial(ctx, accountID); err != nil {
+		if err = transaction.SaveNameServerGroup(ctx, newNSGroup); err != nil {
 			return err
 		}
 
-		return transaction.SaveNameServerGroup(ctx, newNSGroup)
+		return transaction.IncrementNetworkSerial(ctx, accountID)
 	})
 	if err != nil {
 		return nil, err
@@ -94,9 +91,6 @@ func (am *DefaultAccountManager) CreateNameServerGroup(ctx context.Context, acco
 
 // SaveNameServerGroup saves nameserver group
 func (am *DefaultAccountManager) SaveNameServerGroup(ctx context.Context, accountID, userID string, nsGroupToSave *nbdns.NameServerGroup) error {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	if nsGroupToSave == nil {
 		return status.Errorf(status.InvalidArgument, "nameserver group provided is nil")
 	}
@@ -127,11 +121,11 @@ func (am *DefaultAccountManager) SaveNameServerGroup(ctx context.Context, accoun
 			return err
 		}
 
-		if err = transaction.IncrementNetworkSerial(ctx, accountID); err != nil {
+		if err = transaction.SaveNameServerGroup(ctx, nsGroupToSave); err != nil {
 			return err
 		}
 
-		return transaction.SaveNameServerGroup(ctx, nsGroupToSave)
+		return transaction.IncrementNetworkSerial(ctx, accountID)
 	})
 	if err != nil {
 		return err
@@ -148,9 +142,6 @@ func (am *DefaultAccountManager) SaveNameServerGroup(ctx context.Context, accoun
 
 // DeleteNameServerGroup deletes nameserver group with nsGroupID
 func (am *DefaultAccountManager) DeleteNameServerGroup(ctx context.Context, accountID, nsGroupID, userID string) error {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	allowed, err := am.permissionsManager.ValidateUserPermissions(ctx, accountID, userID, modules.Nameservers, operations.Delete)
 	if err != nil {
 		return status.NewPermissionValidationError(err)
@@ -173,11 +164,11 @@ func (am *DefaultAccountManager) DeleteNameServerGroup(ctx context.Context, acco
 			return err
 		}
 
-		if err = transaction.IncrementNetworkSerial(ctx, accountID); err != nil {
+		if err = transaction.DeleteNameServerGroup(ctx, accountID, nsGroupID); err != nil {
 			return err
 		}
 
-		return transaction.DeleteNameServerGroup(ctx, accountID, nsGroupID)
+		return transaction.IncrementNetworkSerial(ctx, accountID)
 	})
 	if err != nil {
 		return err

management/server/networks/manager.go

@@ -70,9 +70,6 @@ func (m *managerImpl) CreateNetwork(ctx context.Context, userID string, network
 
 	network.ID = xid.New().String()
 
-	unlock := m.store.AcquireWriteLockByUID(ctx, network.AccountID)
-	defer unlock()
-
 	err = m.store.SaveNetwork(ctx, network)
 	if err != nil {
 		return nil, fmt.Errorf("failed to save network: %w", err)
@@ -104,9 +101,6 @@ func (m *managerImpl) UpdateNetwork(ctx context.Context, userID string, network
 		return nil, status.NewPermissionDeniedError()
 	}
 
-	unlock := m.store.AcquireWriteLockByUID(ctx, network.AccountID)
-	defer unlock()
-
 	_, err = m.store.GetNetworkByID(ctx, store.LockingStrengthUpdate, network.AccountID, network.ID)
 	if err != nil {
 		return nil, fmt.Errorf("failed to get network: %w", err)
@@ -131,9 +125,6 @@ func (m *managerImpl) DeleteNetwork(ctx context.Context, accountID, userID, netw
 		return fmt.Errorf("failed to get network: %w", err)
 	}
 
-	unlock := m.store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	var eventsToStore []func()
 	err = m.store.ExecuteInTransaction(ctx, func(transaction store.Store) error {
 		resources, err := transaction.GetNetworkResourcesByNetID(ctx, store.LockingStrengthUpdate, accountID, networkID)
@@ -167,15 +158,15 @@ func (m *managerImpl) DeleteNetwork(ctx context.Context, accountID, userID, netw
 			return fmt.Errorf("failed to delete network: %w", err)
 		}
 
+		eventsToStore = append(eventsToStore, func() {
+			m.accountManager.StoreEvent(ctx, userID, networkID, accountID, activity.NetworkDeleted, network.EventMeta())
+		})
+
 		err = transaction.IncrementNetworkSerial(ctx, accountID)
 		if err != nil {
 			return fmt.Errorf("failed to increment network serial: %w", err)
 		}
 
-		eventsToStore = append(eventsToStore, func() {
-			m.accountManager.StoreEvent(ctx, userID, networkID, accountID, activity.NetworkDeleted, network.EventMeta())
-		})
-
 		return nil
 	})
 	if err != nil {

management/server/networks/resources/manager.go

@@ -108,9 +108,6 @@ func (m *managerImpl) CreateResource(ctx context.Context, userID string, resourc
 		return nil, fmt.Errorf("failed to create new network resource: %w", err)
 	}
 
-	unlock := m.store.AcquireWriteLockByUID(ctx, resource.AccountID)
-	defer unlock()
-
 	var eventsToStore []func()
 	err = m.store.ExecuteInTransaction(ctx, func(transaction store.Store) error {
 		_, err = transaction.GetNetworkResourceByName(ctx, store.LockingStrengthNone, resource.AccountID, resource.Name)
@@ -204,9 +201,6 @@ func (m *managerImpl) UpdateResource(ctx context.Context, userID string, resourc
 	resource.Domain = domain
 	resource.Prefix = prefix
 
-	unlock := m.store.AcquireWriteLockByUID(ctx, resource.AccountID)
-	defer unlock()
-
 	var eventsToStore []func()
 	err = m.store.ExecuteInTransaction(ctx, func(transaction store.Store) error {
 		network, err := transaction.GetNetworkByID(ctx, store.LockingStrengthUpdate, resource.AccountID, resource.NetworkID)
@@ -315,9 +309,6 @@ func (m *managerImpl) DeleteResource(ctx context.Context, accountID, userID, net
 		return status.NewPermissionDeniedError()
 	}
 
-	unlock := m.store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	var events []func()
 	err = m.store.ExecuteInTransaction(ctx, func(transaction store.Store) error {
 		events, err = m.DeleteResourceInTransaction(ctx, transaction, accountID, userID, networkID, resourceID)

management/server/networks/routers/manager.go

@@ -88,9 +88,6 @@ func (m *managerImpl) CreateRouter(ctx context.Context, userID string, router *t
 		return nil, status.NewPermissionDeniedError()
 	}
 
-	unlock := m.store.AcquireWriteLockByUID(ctx, router.AccountID)
-	defer unlock()
-
 	var network *networkTypes.Network
 	err = m.store.ExecuteInTransaction(ctx, func(transaction store.Store) error {
 		network, err = transaction.GetNetworkByID(ctx, store.LockingStrengthNone, router.AccountID, router.NetworkID)
@@ -157,9 +154,6 @@ func (m *managerImpl) UpdateRouter(ctx context.Context, userID string, router *t
 		return nil, status.NewPermissionDeniedError()
 	}
 
-	unlock := m.store.AcquireWriteLockByUID(ctx, router.AccountID)
-	defer unlock()
-
 	var network *networkTypes.Network
 	err = m.store.ExecuteInTransaction(ctx, func(transaction store.Store) error {
 		network, err = transaction.GetNetworkByID(ctx, store.LockingStrengthNone, router.AccountID, router.NetworkID)
@@ -203,9 +197,6 @@ func (m *managerImpl) DeleteRouter(ctx context.Context, accountID, userID, netwo
 		return status.NewPermissionDeniedError()
 	}
 
-	unlock := m.store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	var event func()
 	err = m.store.ExecuteInTransaction(ctx, func(transaction store.Store) error {
 		event, err = m.DeleteRouterInTransaction(ctx, transaction, accountID, userID, networkID, routerID)

management/server/peer.go

@@ -192,9 +192,6 @@ func updatePeerStatusAndLocation(ctx context.Context, geo geolocation.Geolocatio
 
 // UpdatePeer updates peer. Only Peer.Name, Peer.SSHEnabled, Peer.LoginExpirationEnabled and Peer.InactivityExpirationEnabled can be updated.
 func (am *DefaultAccountManager) UpdatePeer(ctx context.Context, accountID, userID string, update *nbpeer.Peer) (*nbpeer.Peer, error) {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	allowed, err := am.permissionsManager.ValidateUserPermissions(ctx, accountID, userID, modules.Peers, operations.Update)
 	if err != nil {
 		return nil, status.NewPermissionValidationError(err)
@@ -335,9 +332,6 @@ func (am *DefaultAccountManager) UpdatePeer(ctx context.Context, accountID, user
 
 // DeletePeer removes peer from the account by its IP
 func (am *DefaultAccountManager) DeletePeer(ctx context.Context, accountID, peerID, userID string) error {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	allowed, err := am.permissionsManager.ValidateUserPermissions(ctx, accountID, userID, modules.Peers, operations.Delete)
 	if err != nil {
 		return status.NewPermissionValidationError(err)
@@ -360,7 +354,7 @@ func (am *DefaultAccountManager) DeletePeer(ctx context.Context, accountID, peer
 	var eventsToStore []func()
 
 	err = am.Store.ExecuteInTransaction(ctx, func(transaction store.Store) error {
-		peer, err = transaction.GetPeerByID(ctx, store.LockingStrengthUpdate, accountID, peerID)
+		peer, err = transaction.GetPeerByID(ctx, store.LockingStrengthNone, accountID, peerID)
 		if err != nil {
 			return err
 		}
@@ -427,7 +421,7 @@ func (am *DefaultAccountManager) GetNetworkMap(ctx context.Context, peerID strin
 	}
 	customZone := account.GetPeersCustomZone(ctx, am.GetDNSDomain(account.Settings))
 
-	proxyNetworkMaps, err := am.proxyController.GetProxyNetworkMaps(ctx, account.Id)
+	proxyNetworkMaps, err := am.proxyController.GetProxyNetworkMaps(ctx, account.Id, peerID, account.Peers)
 	if err != nil {
 		log.WithContext(ctx).Errorf("failed to get proxy network maps: %v", err)
 		return nil, err
@@ -1033,7 +1027,7 @@ func (am *DefaultAccountManager) getValidatedPeerWithMap(ctx context.Context, is
 
 	customZone := account.GetPeersCustomZone(ctx, am.GetDNSDomain(account.Settings))
 
-	proxyNetworkMaps, err := am.proxyController.GetProxyNetworkMaps(ctx, account.Id)
+	proxyNetworkMaps, err := am.proxyController.GetProxyNetworkMaps(ctx, account.Id, peer.ID, account.Peers)
 	if err != nil {
 		log.WithContext(ctx).Errorf("failed to get proxy network maps: %v", err)
 		return nil, nil, nil, err
@@ -1206,7 +1200,7 @@ func (am *DefaultAccountManager) UpdateAccountPeers(ctx context.Context, account
 	resourcePolicies := account.GetResourcePoliciesMap()
 	routers := account.GetResourceRoutersMap()
 
-	proxyNetworkMaps, err := am.proxyController.GetProxyNetworkMaps(ctx, accountID)
+	proxyNetworkMaps, err := am.proxyController.GetProxyNetworkMapsAll(ctx, accountID, account.Peers)
 	if err != nil {
 		log.WithContext(ctx).Errorf("failed to get proxy network maps: %v", err)
 		return
@@ -1345,7 +1339,7 @@ func (am *DefaultAccountManager) UpdateAccountPeer(ctx context.Context, accountI
 		return
 	}
 
-	proxyNetworkMaps, err := am.proxyController.GetProxyNetworkMaps(ctx, accountId)
+	proxyNetworkMaps, err := am.proxyController.GetProxyNetworkMaps(ctx, accountId, peerId, account.Peers)
 	if err != nil {
 		log.WithContext(ctx).Errorf("failed to get proxy network maps: %v", err)
 		return
@@ -1533,7 +1527,7 @@ func deletePeers(ctx context.Context, am *DefaultAccountManager, transaction sto
 	}
 	dnsDomain := am.GetDNSDomain(settings)
 
-	network, err := transaction.GetAccountNetwork(ctx, store.LockingStrengthShare, accountID)
+	network, err := transaction.GetAccountNetwork(ctx, store.LockingStrengthNone, accountID)
 	if err != nil {
 		return nil, err
 	}

management/server/peer/peer.go

@@ -24,7 +24,7 @@ type Peer struct {
 	// Meta is a Peer system meta data
 	Meta PeerSystemMeta `gorm:"embedded;embeddedPrefix:meta_"`
 	// Name is peer's name (machine name)
-	Name string
+	Name string `gorm:"index"`
 	// DNSLabel is the parsed peer name for domain resolution. It is used to form an FQDN by appending the account's
 	// domain to the peer label. e.g. peer-dns-label.netbird.cloud
 	DNSLabel string // uniqueness index per accountID (check migrations)

management/server/policy.go

@@ -32,9 +32,6 @@ func (am *DefaultAccountManager) GetPolicy(ctx context.Context, accountID, polic
 
 // SavePolicy in the store
 func (am *DefaultAccountManager) SavePolicy(ctx context.Context, accountID, userID string, policy *types.Policy, create bool) (*types.Policy, error) {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	operation := operations.Create
 	if !create {
 		operation = operations.Update
@@ -61,17 +58,17 @@ func (am *DefaultAccountManager) SavePolicy(ctx context.Context, accountID, user
 			return err
 		}
 
-		if err = transaction.IncrementNetworkSerial(ctx, accountID); err != nil {
-			return err
-		}
-
 		saveFunc := transaction.CreatePolicy
 		if isUpdate {
 			action = activity.PolicyUpdated
 			saveFunc = transaction.SavePolicy
 		}
 
-		return saveFunc(ctx, policy)
+		if err = saveFunc(ctx, policy); err != nil {
+			return err
+		}
+
+		return transaction.IncrementNetworkSerial(ctx, accountID)
 	})
 	if err != nil {
 		return nil, err
@@ -88,9 +85,6 @@ func (am *DefaultAccountManager) SavePolicy(ctx context.Context, accountID, user
 
 // DeletePolicy from the store
 func (am *DefaultAccountManager) DeletePolicy(ctx context.Context, accountID, policyID, userID string) error {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	allowed, err := am.permissionsManager.ValidateUserPermissions(ctx, accountID, userID, modules.Policies, operations.Delete)
 	if err != nil {
 		return status.NewPermissionValidationError(err)
@@ -113,11 +107,11 @@ func (am *DefaultAccountManager) DeletePolicy(ctx context.Context, accountID, po
 			return err
 		}
 
-		if err = transaction.IncrementNetworkSerial(ctx, accountID); err != nil {
+		if err = transaction.DeletePolicy(ctx, accountID, policyID); err != nil {
 			return err
 		}
 
-		return transaction.DeletePolicy(ctx, accountID, policyID)
+		return transaction.IncrementNetworkSerial(ctx, accountID)
 	})
 	if err != nil {
 		return err

management/server/posture_checks.go

@@ -32,9 +32,6 @@ func (am *DefaultAccountManager) GetPostureChecks(ctx context.Context, accountID
 
 // SavePostureChecks saves a posture check.
 func (am *DefaultAccountManager) SavePostureChecks(ctx context.Context, accountID, userID string, postureChecks *posture.Checks, create bool) (*posture.Checks, error) {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	operation := operations.Create
 	if !create {
 		operation = operations.Update
@@ -62,15 +59,19 @@ func (am *DefaultAccountManager) SavePostureChecks(ctx context.Context, accountI
 				return err
 			}
 
-			if err = transaction.IncrementNetworkSerial(ctx, accountID); err != nil {
-				return err
-			}
-
 			action = activity.PostureCheckUpdated
 		}
 
 		postureChecks.AccountID = accountID
-		return transaction.SavePostureChecks(ctx, postureChecks)
+		if err = transaction.SavePostureChecks(ctx, postureChecks); err != nil {
+			return err
+		}
+
+		if isUpdate {
+			return transaction.IncrementNetworkSerial(ctx, accountID)
+		}
+
+		return nil
 	})
 	if err != nil {
 		return nil, err
@@ -87,9 +88,6 @@ func (am *DefaultAccountManager) SavePostureChecks(ctx context.Context, accountI
 
 // DeletePostureChecks deletes a posture check by ID.
 func (am *DefaultAccountManager) DeletePostureChecks(ctx context.Context, accountID, postureChecksID, userID string) error {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	allowed, err := am.permissionsManager.ValidateUserPermissions(ctx, accountID, userID, modules.Routes, operations.Read)
 	if err != nil {
 		return status.NewPermissionValidationError(err)
@@ -110,11 +108,11 @@ func (am *DefaultAccountManager) DeletePostureChecks(ctx context.Context, accoun
 			return err
 		}
 
-		if err = transaction.IncrementNetworkSerial(ctx, accountID); err != nil {
+		if err = transaction.DeletePostureChecks(ctx, accountID, postureChecksID); err != nil {
 			return err
 		}
 
-		return transaction.DeletePostureChecks(ctx, accountID, postureChecksID)
+		return transaction.IncrementNetworkSerial(ctx, accountID)
 	})
 	if err != nil {
 		return err

management/server/route.go

@@ -135,9 +135,6 @@ func getRouteDescriptor(prefix netip.Prefix, domains domain.List) string {
 
 // CreateRoute creates and saves a new route
 func (am *DefaultAccountManager) CreateRoute(ctx context.Context, accountID string, prefix netip.Prefix, networkType route.NetworkType, domains domain.List, peerID string, peerGroupIDs []string, description string, netID route.NetID, masquerade bool, metric int, groups, accessControlGroupIDs []string, enabled bool, userID string, keepRoute bool, skipAutoApply bool) (*route.Route, error) {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	allowed, err := am.permissionsManager.ValidateUserPermissions(ctx, accountID, userID, modules.Routes, operations.Create)
 	if err != nil {
 		return nil, status.NewPermissionValidationError(err)
@@ -182,11 +179,11 @@ func (am *DefaultAccountManager) CreateRoute(ctx context.Context, accountID stri
 			return err
 		}
 
-		if err = transaction.IncrementNetworkSerial(ctx, accountID); err != nil {
+		if err = transaction.SaveRoute(ctx, newRoute); err != nil {
 			return err
 		}
 
-		return transaction.SaveRoute(ctx, newRoute)
+		return transaction.IncrementNetworkSerial(ctx, accountID)
 	})
 	if err != nil {
 		return nil, err
@@ -203,9 +200,6 @@ func (am *DefaultAccountManager) CreateRoute(ctx context.Context, accountID stri
 
 // SaveRoute saves route
 func (am *DefaultAccountManager) SaveRoute(ctx context.Context, accountID, userID string, routeToSave *route.Route) error {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	allowed, err := am.permissionsManager.ValidateUserPermissions(ctx, accountID, userID, modules.Routes, operations.Update)
 	if err != nil {
 		return status.NewPermissionValidationError(err)
@@ -239,11 +233,11 @@ func (am *DefaultAccountManager) SaveRoute(ctx context.Context, accountID, userI
 		}
 		routeToSave.AccountID = accountID
 
-		if err = transaction.IncrementNetworkSerial(ctx, accountID); err != nil {
+		if err = transaction.SaveRoute(ctx, routeToSave); err != nil {
 			return err
 		}
 
-		return transaction.SaveRoute(ctx, routeToSave)
+		return transaction.IncrementNetworkSerial(ctx, accountID)
 	})
 	if err != nil {
 		return err
@@ -260,9 +254,6 @@ func (am *DefaultAccountManager) SaveRoute(ctx context.Context, accountID, userI
 
 // DeleteRoute deletes route with routeID
 func (am *DefaultAccountManager) DeleteRoute(ctx context.Context, accountID string, routeID route.ID, userID string) error {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	allowed, err := am.permissionsManager.ValidateUserPermissions(ctx, accountID, userID, modules.Routes, operations.Delete)
 	if err != nil {
 		return status.NewPermissionValidationError(err)
@@ -285,11 +276,11 @@ func (am *DefaultAccountManager) DeleteRoute(ctx context.Context, accountID stri
 			return err
 		}
 
-		if err = transaction.IncrementNetworkSerial(ctx, accountID); err != nil {
+		if err = transaction.DeleteRoute(ctx, accountID, string(routeID)); err != nil {
 			return err
 		}
 
-		return transaction.DeleteRoute(ctx, accountID, string(routeID))
+		return transaction.IncrementNetworkSerial(ctx, accountID)
 	})
 	if err != nil {
 		return fmt.Errorf("failed to delete route %s: %w", routeID, err)

management/server/setupkey.go

@@ -55,8 +55,6 @@ type SetupKeyUpdateOperation struct {
 // and adds it to the specified account. A list of autoGroups IDs can be empty.
 func (am *DefaultAccountManager) CreateSetupKey(ctx context.Context, accountID string, keyName string, keyType types.SetupKeyType,
 	expiresIn time.Duration, autoGroups []string, usageLimit int, userID string, ephemeral bool, allowExtraDNSLabels bool) (*types.SetupKey, error) {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
 
 	allowed, err := am.permissionsManager.ValidateUserPermissions(ctx, accountID, userID, modules.SetupKeys, operations.Create)
 	if err != nil {
@@ -107,9 +105,6 @@ func (am *DefaultAccountManager) SaveSetupKey(ctx context.Context, accountID str
 		return nil, status.Errorf(status.InvalidArgument, "provided setup key to update is nil")
 	}
 
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	allowed, err := am.permissionsManager.ValidateUserPermissions(ctx, accountID, userID, modules.SetupKeys, operations.Update)
 	if err != nil {
 		return nil, status.NewPermissionValidationError(err)

management/server/store/sql_store.go

@@ -51,7 +51,6 @@ const (
 // SqlStore represents an account storage backed by a Sql DB persisted to disk
 type SqlStore struct {
 	db                *gorm.DB
-	resourceLocks     sync.Map
 	globalAccountLock sync.Mutex
 	metrics           telemetry.AppMetrics
 	installationPK    int
@@ -144,25 +143,6 @@ func (s *SqlStore) AcquireGlobalLock(ctx context.Context) (unlock func()) {
 	return unlock
 }
 
-// AcquireWriteLockByUID acquires an ID lock for writing to a resource and returns a function that releases the lock
-func (s *SqlStore) AcquireWriteLockByUID(ctx context.Context, uniqueID string) (unlock func()) {
-	log.WithContext(ctx).Tracef("acquiring write lock for ID %s", uniqueID)
-
-	startWait := time.Now()
-	value, _ := s.resourceLocks.LoadOrStore(uniqueID, &sync.RWMutex{})
-	mtx := value.(*sync.RWMutex)
-	mtx.Lock()
-	log.WithContext(ctx).Tracef("waiting to acquire write lock for ID %s in %v", uniqueID, time.Since(startWait))
-	startHold := time.Now()
-
-	unlock = func() {
-		mtx.Unlock()
-		log.WithContext(ctx).Tracef("released write lock for ID %s in %v", uniqueID, time.Since(startHold))
-	}
-
-	return unlock
-}
-
 // Deprecated: Full account operations are no longer supported
 func (s *SqlStore) SaveAccount(ctx context.Context, account *types.Account) error {
 	start := time.Now()

management/server/store/store.go

@@ -168,8 +168,6 @@ type Store interface {
 	GetInstallationID() string
 	SaveInstallationID(ctx context.Context, ID string) error
 
-	// AcquireWriteLockByUID should attempt to acquire a lock for write purposes and return a function that releases the lock
-	AcquireWriteLockByUID(ctx context.Context, uniqueID string) func()
 	// AcquireGlobalLock should attempt to acquire a global lock and return a function that releases the lock
 	AcquireGlobalLock(ctx context.Context) func()
 

management/server/telemetry/grpc_metrics.go

@@ -4,9 +4,12 @@ import (
 	"context"
 	"time"
 
+	"go.opentelemetry.io/otel/attribute"
 	"go.opentelemetry.io/otel/metric"
 )
 
+const AccountIDLabel = "account_id"
+
 // GRPCMetrics are gRPC server metrics
 type GRPCMetrics struct {
 	meter                 metric.Meter
@@ -111,13 +114,13 @@ func (grpcMetrics *GRPCMetrics) CountLoginRequest() {
 }
 
 // CountLoginRequestDuration counts the duration of the login gRPC requests
-func (grpcMetrics *GRPCMetrics) CountLoginRequestDuration(duration time.Duration) {
-	grpcMetrics.loginRequestDuration.Record(grpcMetrics.ctx, duration.Milliseconds())
+func (grpcMetrics *GRPCMetrics) CountLoginRequestDuration(duration time.Duration, accountID string) {
+	grpcMetrics.loginRequestDuration.Record(grpcMetrics.ctx, duration.Milliseconds(), metric.WithAttributes(attribute.String(AccountIDLabel, accountID)))
 }
 
 // CountSyncRequestDuration counts the duration of the sync gRPC requests
-func (grpcMetrics *GRPCMetrics) CountSyncRequestDuration(duration time.Duration) {
-	grpcMetrics.syncRequestDuration.Record(grpcMetrics.ctx, duration.Milliseconds())
+func (grpcMetrics *GRPCMetrics) CountSyncRequestDuration(duration time.Duration, accountID string) {
+	grpcMetrics.syncRequestDuration.Record(grpcMetrics.ctx, duration.Milliseconds(), metric.WithAttributes(attribute.String(AccountIDLabel, accountID)))
 }
 
 // RegisterConnectedStreams registers a function that collects number of active streams and feeds it to the metrics gauge.

management/server/types/network.go

@@ -12,11 +12,11 @@ import (
 	"golang.org/x/exp/maps"
 
 	nbdns "github.com/netbirdio/netbird/dns"
-	"github.com/netbirdio/netbird/shared/management/proto"
 	nbpeer "github.com/netbirdio/netbird/management/server/peer"
-	"github.com/netbirdio/netbird/shared/management/status"
 	"github.com/netbirdio/netbird/management/server/util"
 	"github.com/netbirdio/netbird/route"
+	"github.com/netbirdio/netbird/shared/management/proto"
+	"github.com/netbirdio/netbird/shared/management/status"
 )
 
 const (

management/server/user.go

@@ -26,9 +26,6 @@ import (
 
 // createServiceUser creates a new service user under the given account.
 func (am *DefaultAccountManager) createServiceUser(ctx context.Context, accountID string, initiatorUserID string, role types.UserRole, serviceUserName string, nonDeletable bool, autoGroups []string) (*types.UserInfo, error) {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	allowed, err := am.permissionsManager.ValidateUserPermissions(ctx, accountID, initiatorUserID, modules.Users, operations.Create)
 	if err != nil {
 		return nil, status.NewPermissionValidationError(err)
@@ -76,9 +73,6 @@ func (am *DefaultAccountManager) CreateUser(ctx context.Context, accountID, user
 
 // inviteNewUser Invites a USer to a given account and creates reference in datastore
 func (am *DefaultAccountManager) inviteNewUser(ctx context.Context, accountID, userID string, invite *types.UserInfo) (*types.UserInfo, error) {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	if am.idpManager == nil {
 		return nil, status.Errorf(status.PreconditionFailed, "IdP manager must be enabled to send user invites")
 	}
@@ -227,9 +221,6 @@ func (am *DefaultAccountManager) DeleteUser(ctx context.Context, accountID, init
 		return status.Errorf(status.InvalidArgument, "self deletion is not allowed")
 	}
 
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	initiatorUser, err := am.Store.GetUserByUserID(ctx, store.LockingStrengthNone, initiatorUserID)
 	if err != nil {
 		return err
@@ -285,9 +276,6 @@ func (am *DefaultAccountManager) DeleteUser(ctx context.Context, accountID, init
 
 // InviteUser resend invitations to users who haven't activated their accounts prior to the expiration period.
 func (am *DefaultAccountManager) InviteUser(ctx context.Context, accountID string, initiatorUserID string, targetUserID string) error {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	if am.idpManager == nil {
 		return status.Errorf(status.PreconditionFailed, "IdP manager must be enabled to send user invites")
 	}
@@ -328,9 +316,6 @@ func (am *DefaultAccountManager) InviteUser(ctx context.Context, accountID strin
 
 // CreatePAT creates a new PAT for the given user
 func (am *DefaultAccountManager) CreatePAT(ctx context.Context, accountID string, initiatorUserID string, targetUserID string, tokenName string, expiresIn int) (*types.PersonalAccessTokenGenerated, error) {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	if tokenName == "" {
 		return nil, status.Errorf(status.InvalidArgument, "token name can't be empty")
 	}
@@ -379,9 +364,6 @@ func (am *DefaultAccountManager) CreatePAT(ctx context.Context, accountID string
 
 // DeletePAT deletes a specific PAT from a user
 func (am *DefaultAccountManager) DeletePAT(ctx context.Context, accountID string, initiatorUserID string, targetUserID string, tokenID string) error {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	allowed, err := am.permissionsManager.ValidateUserPermissions(ctx, accountID, initiatorUserID, modules.Pats, operations.Delete)
 	if err != nil {
 		return status.NewPermissionValidationError(err)
@@ -481,9 +463,6 @@ func (am *DefaultAccountManager) SaveUser(ctx context.Context, accountID, initia
 // SaveOrAddUser updates the given user. If addIfNotExists is set to true it will add user when no exist
 // Only User.AutoGroups, User.Role, and User.Blocked fields are allowed to be updated for now.
 func (am *DefaultAccountManager) SaveOrAddUser(ctx context.Context, accountID, initiatorUserID string, update *types.User, addIfNotExists bool) (*types.UserInfo, error) {
-	unlock := am.Store.AcquireWriteLockByUID(ctx, accountID)
-	defer unlock()
-
 	updatedUsers, err := am.SaveOrAddUsers(ctx, accountID, initiatorUserID, []*types.User{update}, addIfNotExists)
 	if err != nil {
 		return nil, err

relay/test/benchmark_test.go

@@ -13,10 +13,11 @@ import (
 	"github.com/pion/logging"
 	"github.com/pion/turn/v3"
 
+	"github.com/netbirdio/netbird/client/iface"
+	"github.com/netbirdio/netbird/relay/server"
 	"github.com/netbirdio/netbird/shared/relay/auth/allow"
 	"github.com/netbirdio/netbird/shared/relay/auth/hmac"
 	"github.com/netbirdio/netbird/shared/relay/client"
-	"github.com/netbirdio/netbird/relay/server"
 	"github.com/netbirdio/netbird/util"
 )
 
@@ -100,7 +101,7 @@ func transfer(t *testing.T, testData []byte, peerPairs int) {
 
 	clientsSender := make([]*client.Client, peerPairs)
 	for i := 0; i < cap(clientsSender); i++ {
-		c := client.NewClient(serverConnURL, hmacTokenStore, "sender-"+fmt.Sprint(i))
+		c := client.NewClient(serverConnURL, hmacTokenStore, "sender-"+fmt.Sprint(i), iface.DefaultMTU)
 		err := c.Connect(ctx)
 		if err != nil {
 			t.Fatalf("failed to connect to server: %s", err)
@@ -110,7 +111,7 @@ func transfer(t *testing.T, testData []byte, peerPairs int) {
 
 	clientsReceiver := make([]*client.Client, peerPairs)
 	for i := 0; i < cap(clientsReceiver); i++ {
-		c := client.NewClient(serverConnURL, hmacTokenStore, "receiver-"+fmt.Sprint(i))
+		c := client.NewClient(serverConnURL, hmacTokenStore, "receiver-"+fmt.Sprint(i), iface.DefaultMTU)
 		err := c.Connect(ctx)
 		if err != nil {
 			t.Fatalf("failed to connect to server: %s", err)

relay/testec2/relay.go

@@ -11,6 +11,7 @@ import (
 
 	log "github.com/sirupsen/logrus"
 
+	"github.com/netbirdio/netbird/client/iface"
 	"github.com/netbirdio/netbird/shared/relay/auth/hmac"
 	"github.com/netbirdio/netbird/shared/relay/client"
 )
@@ -70,7 +71,7 @@ func prepareConnsSender(serverConnURL string, peerPairs int) []net.Conn {
 	ctx := context.Background()
 	clientsSender := make([]*client.Client, peerPairs)
 	for i := 0; i < cap(clientsSender); i++ {
-		c := client.NewClient(serverConnURL, hmacTokenStore, "sender-"+fmt.Sprint(i))
+		c := client.NewClient(serverConnURL, hmacTokenStore, "sender-"+fmt.Sprint(i), iface.DefaultMTU)
 		if err := c.Connect(ctx); err != nil {
 			log.Fatalf("failed to connect to server: %s", err)
 		}
@@ -156,7 +157,7 @@ func runReader(conn net.Conn) time.Duration {
 func prepareConnsReceiver(serverConnURL string, peerPairs int) []net.Conn {
 	clientsReceiver := make([]*client.Client, peerPairs)
 	for i := 0; i < cap(clientsReceiver); i++ {
-		c := client.NewClient(serverConnURL, hmacTokenStore, "receiver-"+fmt.Sprint(i))
+		c := client.NewClient(serverConnURL, hmacTokenStore, "receiver-"+fmt.Sprint(i), iface.DefaultMTU)
 		err := c.Connect(context.Background())
 		if err != nil {
 			log.Fatalf("failed to connect to server: %s", err)

shared/management/proto/management.pb.go

@@ -1,19 +1,18 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.26.0
-// 	protoc        v3.21.12
+// 	protoc        v4.24.3
 // source: management.proto
 
 package proto
 
 import (
-	reflect "reflect"
-	sync "sync"
-
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	durationpb "google.golang.org/protobuf/types/known/durationpb"
 	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
+	reflect "reflect"
+	sync "sync"
 )
 
 const (
@@ -1650,6 +1649,7 @@ type PeerConfig struct {
 	Fqdn                            string `protobuf:"bytes,4,opt,name=fqdn,proto3" json:"fqdn,omitempty"`
 	RoutingPeerDnsResolutionEnabled bool   `protobuf:"varint,5,opt,name=RoutingPeerDnsResolutionEnabled,proto3" json:"RoutingPeerDnsResolutionEnabled,omitempty"`
 	LazyConnectionEnabled           bool   `protobuf:"varint,6,opt,name=LazyConnectionEnabled,proto3" json:"LazyConnectionEnabled,omitempty"`
+	Mtu                             int32  `protobuf:"varint,7,opt,name=mtu,proto3" json:"mtu,omitempty"`
 }
 
 func (x *PeerConfig) Reset() {
@@ -1726,6 +1726,13 @@ func (x *PeerConfig) GetLazyConnectionEnabled() bool {
 	return false
 }
 
+func (x *PeerConfig) GetMtu() int32 {
+	if x != nil {
+		return x.Mtu
+	}
+	return 0
+}
+
 // NetworkMap represents a network state of the peer with the corresponding configuration parameters to establish peer-to-peer connections
 type NetworkMap struct {
 	state         protoimpl.MessageState
@@ -3569,7 +3576,7 @@ var file_management_proto_rawDesc = []byte{
 	0x68, 0x6f, 0x73, 0x74, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x12, 0x0a, 0x04, 0x75, 0x73,
 	0x65, 0x72, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x75, 0x73, 0x65, 0x72, 0x12, 0x1a,
 	0x0a, 0x08, 0x70, 0x61, 0x73, 0x73, 0x77, 0x6f, 0x72, 0x64, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09,
-	0x52, 0x08, 0x70, 0x61, 0x73, 0x73, 0x77, 0x6f, 0x72, 0x64, 0x22, 0x81, 0x02, 0x0a, 0x0a, 0x50,
+	0x52, 0x08, 0x70, 0x61, 0x73, 0x73, 0x77, 0x6f, 0x72, 0x64, 0x22, 0x93, 0x02, 0x0a, 0x0a, 0x50,
 	0x65, 0x65, 0x72, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x18, 0x0a, 0x07, 0x61, 0x64, 0x64,
 	0x72, 0x65, 0x73, 0x73, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x61, 0x64, 0x64, 0x72,
 	0x65, 0x73, 0x73, 0x12, 0x10, 0x0a, 0x03, 0x64, 0x6e, 0x73, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09,
@@ -3585,296 +3592,297 @@ var file_management_proto_rawDesc = []byte{
 	0x6e, 0x45, 0x6e, 0x61, 0x62, 0x6c, 0x65, 0x64, 0x12, 0x34, 0x0a, 0x15, 0x4c, 0x61, 0x7a, 0x79,
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 }
 
 var (

shared/management/proto/management.proto

@@ -264,6 +264,8 @@ message PeerConfig {
   bool RoutingPeerDnsResolutionEnabled = 5;
 
   bool LazyConnectionEnabled = 6;
+
+  int32 mtu = 7;
 }
 
 // NetworkMap represents a network state of the peer with the corresponding configuration parameters to establish peer-to-peer connections

shared/relay/client/client.go

@@ -9,6 +9,7 @@ import (
 
 	log "github.com/sirupsen/logrus"
 
+	"github.com/netbirdio/netbird/client/iface"
 	auth "github.com/netbirdio/netbird/shared/relay/auth/hmac"
 	"github.com/netbirdio/netbird/shared/relay/client/dialer"
 	"github.com/netbirdio/netbird/shared/relay/client/dialer/quic"
@@ -143,10 +144,12 @@ type Client struct {
 	listenerMutex        sync.Mutex
 
 	stateSubscription *PeersStateSubscription
+
+	mtu uint16
 }
 
 // NewClient creates a new client for the relay server. The client is not connected to the server until the Connect
-func NewClient(serverURL string, authTokenStore *auth.TokenStore, peerID string) *Client {
+func NewClient(serverURL string, authTokenStore *auth.TokenStore, peerID string, mtu uint16) *Client {
 	hashedID := messages.HashID(peerID)
 	relayLog := log.WithFields(log.Fields{"relay": serverURL})
 
@@ -155,6 +158,7 @@ func NewClient(serverURL string, authTokenStore *auth.TokenStore, peerID string)
 		connectionURL:  serverURL,
 		authTokenStore: authTokenStore,
 		hashedID:       hashedID,
+		mtu:            mtu,
 		bufPool: &sync.Pool{
 			New: func() any {
 				buf := make([]byte, bufferSize)
@@ -292,7 +296,16 @@ func (c *Client) Close() error {
 }
 
 func (c *Client) connect(ctx context.Context) (*RelayAddr, error) {
-	rd := dialer.NewRaceDial(c.log, dialer.DefaultConnectionTimeout, c.connectionURL, quic.Dialer{}, ws.Dialer{})
+	// Force WebSocket for MTUs larger than default to avoid QUIC DATAGRAM frame size issues
+	var dialers []dialer.DialeFn
+	if c.mtu > 0 && c.mtu > iface.DefaultMTU {
+		c.log.Infof("MTU %d exceeds default (%d), forcing WebSocket transport to avoid DATAGRAM frame size issues", c.mtu, iface.DefaultMTU)
+		dialers = []dialer.DialeFn{ws.Dialer{}}
+	} else {
+		dialers = []dialer.DialeFn{quic.Dialer{}, ws.Dialer{}}
+	}
+
+	rd := dialer.NewRaceDial(c.log, dialer.DefaultConnectionTimeout, c.connectionURL, dialers...)
 	conn, err := rd.Dial()
 	if err != nil {
 		return nil, err

shared/relay/client/client_test.go

@@ -10,6 +10,7 @@ import (
 	log "github.com/sirupsen/logrus"
 	"go.opentelemetry.io/otel"
 
+	"github.com/netbirdio/netbird/client/iface"
 	"github.com/netbirdio/netbird/shared/relay/auth/allow"
 	"github.com/netbirdio/netbird/shared/relay/auth/hmac"
 	"github.com/netbirdio/netbird/util"
@@ -63,7 +64,7 @@ func TestClient(t *testing.T) {
 		t.Fatalf("failed to start server: %s", err)
 	}
 	t.Log("alice connecting to server")
-	clientAlice := NewClient(serverURL, hmacTokenStore, "alice")
+	clientAlice := NewClient(serverURL, hmacTokenStore, "alice", iface.DefaultMTU)
 	err = clientAlice.Connect(ctx)
 	if err != nil {
 		t.Fatalf("failed to connect to server: %s", err)
@@ -71,7 +72,7 @@ func TestClient(t *testing.T) {
 	defer clientAlice.Close()
 
 	t.Log("placeholder connecting to server")
-	clientPlaceHolder := NewClient(serverURL, hmacTokenStore, "clientPlaceHolder")
+	clientPlaceHolder := NewClient(serverURL, hmacTokenStore, "clientPlaceHolder", iface.DefaultMTU)
 	err = clientPlaceHolder.Connect(ctx)
 	if err != nil {
 		t.Fatalf("failed to connect to server: %s", err)
@@ -79,7 +80,7 @@ func TestClient(t *testing.T) {
 	defer clientPlaceHolder.Close()
 
 	t.Log("Bob connecting to server")
-	clientBob := NewClient(serverURL, hmacTokenStore, "bob")
+	clientBob := NewClient(serverURL, hmacTokenStore, "bob", iface.DefaultMTU)
 	err = clientBob.Connect(ctx)
 	if err != nil {
 		t.Fatalf("failed to connect to server: %s", err)
@@ -137,7 +138,7 @@ func TestRegistration(t *testing.T) {
 		t.Fatalf("failed to start server: %s", err)
 	}
 
-	clientAlice := NewClient(serverURL, hmacTokenStore, "alice")
+	clientAlice := NewClient(serverURL, hmacTokenStore, "alice", iface.DefaultMTU)
 	err = clientAlice.Connect(ctx)
 	if err != nil {
 		_ = srv.Shutdown(ctx)
@@ -177,7 +178,7 @@ func TestRegistrationTimeout(t *testing.T) {
 		_ = fakeTCPListener.Close()
 	}(fakeTCPListener)
 
-	clientAlice := NewClient("127.0.0.1:1234", hmacTokenStore, "alice")
+	clientAlice := NewClient("127.0.0.1:1234", hmacTokenStore, "alice", iface.DefaultMTU)
 	err = clientAlice.Connect(ctx)
 	if err == nil {
 		t.Errorf("failed to connect to server: %s", err)
@@ -218,7 +219,7 @@ func TestEcho(t *testing.T) {
 		t.Fatalf("failed to start server: %s", err)
 	}
 
-	clientAlice := NewClient(serverURL, hmacTokenStore, idAlice)
+	clientAlice := NewClient(serverURL, hmacTokenStore, idAlice, iface.DefaultMTU)
 	err = clientAlice.Connect(ctx)
 	if err != nil {
 		t.Fatalf("failed to connect to server: %s", err)
@@ -230,7 +231,7 @@ func TestEcho(t *testing.T) {
 		}
 	}()
 
-	clientBob := NewClient(serverURL, hmacTokenStore, idBob)
+	clientBob := NewClient(serverURL, hmacTokenStore, idBob, iface.DefaultMTU)
 	err = clientBob.Connect(ctx)
 	if err != nil {
 		t.Fatalf("failed to connect to server: %s", err)
@@ -308,7 +309,7 @@ func TestBindToUnavailabePeer(t *testing.T) {
 		t.Fatalf("failed to start server: %s", err)
 	}
 
-	clientAlice := NewClient(serverURL, hmacTokenStore, "alice")
+	clientAlice := NewClient(serverURL, hmacTokenStore, "alice", iface.DefaultMTU)
 	err = clientAlice.Connect(ctx)
 	if err != nil {
 		t.Errorf("failed to connect to server: %s", err)
@@ -354,13 +355,13 @@ func TestBindReconnect(t *testing.T) {
 		t.Fatalf("failed to start server: %s", err)
 	}
 
-	clientAlice := NewClient(serverURL, hmacTokenStore, "alice")
+	clientAlice := NewClient(serverURL, hmacTokenStore, "alice", iface.DefaultMTU)
 	err = clientAlice.Connect(ctx)
 	if err != nil {
 		t.Fatalf("failed to connect to server: %s", err)
 	}
 
-	clientBob := NewClient(serverURL, hmacTokenStore, "bob")
+	clientBob := NewClient(serverURL, hmacTokenStore, "bob", iface.DefaultMTU)
 	err = clientBob.Connect(ctx)
 	if err != nil {
 		t.Errorf("failed to connect to server: %s", err)
@@ -382,7 +383,7 @@ func TestBindReconnect(t *testing.T) {
 		t.Errorf("failed to close client: %s", err)
 	}
 
-	clientAlice = NewClient(serverURL, hmacTokenStore, "alice")
+	clientAlice = NewClient(serverURL, hmacTokenStore, "alice", iface.DefaultMTU)
 	err = clientAlice.Connect(ctx)
 	if err != nil {
 		t.Errorf("failed to connect to server: %s", err)
@@ -455,13 +456,13 @@ func TestCloseConn(t *testing.T) {
 		t.Fatalf("failed to start server: %s", err)
 	}
 
-	bob := NewClient(serverURL, hmacTokenStore, "bob")
+	bob := NewClient(serverURL, hmacTokenStore, "bob", iface.DefaultMTU)
 	err = bob.Connect(ctx)
 	if err != nil {
 		t.Errorf("failed to connect to server: %s", err)
 	}
 
-	clientAlice := NewClient(serverURL, hmacTokenStore, "alice")
+	clientAlice := NewClient(serverURL, hmacTokenStore, "alice", iface.DefaultMTU)
 	err = clientAlice.Connect(ctx)
 	if err != nil {
 		t.Errorf("failed to connect to server: %s", err)
@@ -517,13 +518,13 @@ func TestCloseRelayConn(t *testing.T) {
 		t.Fatalf("failed to start server: %s", err)
 	}
 
-	bob := NewClient(serverURL, hmacTokenStore, "bob")
+	bob := NewClient(serverURL, hmacTokenStore, "bob", iface.DefaultMTU)
 	err = bob.Connect(ctx)
 	if err != nil {
 		t.Fatalf("failed to connect to server: %s", err)
 	}
 
-	clientAlice := NewClient(serverURL, hmacTokenStore, "alice")
+	clientAlice := NewClient(serverURL, hmacTokenStore, "alice", iface.DefaultMTU)
 	err = clientAlice.Connect(ctx)
 	if err != nil {
 		t.Fatalf("failed to connect to server: %s", err)
@@ -571,7 +572,7 @@ func TestCloseByServer(t *testing.T) {
 
 	idAlice := "alice"
 	log.Debugf("connect by alice")
-	relayClient := NewClient(serverURL, hmacTokenStore, idAlice)
+	relayClient := NewClient(serverURL, hmacTokenStore, idAlice, iface.DefaultMTU)
 	if err = relayClient.Connect(ctx); err != nil {
 		log.Fatalf("failed to connect to server: %s", err)
 	}
@@ -627,7 +628,7 @@ func TestCloseByClient(t *testing.T) {
 
 	idAlice := "alice"
 	log.Debugf("connect by alice")
-	relayClient := NewClient(serverURL, hmacTokenStore, idAlice)
+	relayClient := NewClient(serverURL, hmacTokenStore, idAlice, iface.DefaultMTU)
 	err = relayClient.Connect(ctx)
 	if err != nil {
 		log.Fatalf("failed to connect to server: %s", err)
@@ -678,7 +679,7 @@ func TestCloseNotDrainedChannel(t *testing.T) {
 		t.Fatalf("failed to start server: %s", err)
 	}
 
-	clientAlice := NewClient(serverURL, hmacTokenStore, idAlice)
+	clientAlice := NewClient(serverURL, hmacTokenStore, idAlice, iface.DefaultMTU)
 	err = clientAlice.Connect(ctx)
 	if err != nil {
 		t.Fatalf("failed to connect to server: %s", err)
@@ -690,7 +691,7 @@ func TestCloseNotDrainedChannel(t *testing.T) {
 		}
 	}()
 
-	clientBob := NewClient(serverURL, hmacTokenStore, idBob)
+	clientBob := NewClient(serverURL, hmacTokenStore, idBob, iface.DefaultMTU)
 	err = clientBob.Connect(ctx)
 	if err != nil {
 		t.Fatalf("failed to connect to server: %s", err)

shared/relay/client/manager.go

@@ -63,20 +63,24 @@ type Manager struct {
 	onDisconnectedListeners map[string]*list.List
 	onReconnectedListenerFn func()
 	listenerLock            sync.Mutex
+
+	mtu uint16
 }
 
 // NewManager creates a new manager instance.
 // The serverURL address can be empty. In this case, the manager will not serve.
-func NewManager(ctx context.Context, serverURLs []string, peerID string) *Manager {
+func NewManager(ctx context.Context, serverURLs []string, peerID string, mtu uint16) *Manager {
 	tokenStore := &relayAuth.TokenStore{}
 
 	m := &Manager{
 		ctx:        ctx,
 		peerID:     peerID,
 		tokenStore: tokenStore,
+		mtu:        mtu,
 		serverPicker: &ServerPicker{
 			TokenStore: tokenStore,
 			PeerID:     peerID,
+			MTU:        mtu,
 		},
 		relayClients:            make(map[string]*RelayTrack),
 		onDisconnectedListeners: make(map[string]*list.List),
@@ -253,7 +257,7 @@ func (m *Manager) openConnVia(ctx context.Context, serverAddress, peerKey string
 	m.relayClients[serverAddress] = rt
 	m.relayClientsMutex.Unlock()
 
-	relayClient := NewClient(serverAddress, m.tokenStore, m.peerID)
+	relayClient := NewClient(serverAddress, m.tokenStore, m.peerID, m.mtu)
 	err := relayClient.Connect(m.ctx)
 	if err != nil {
 		rt.err = err

shared/relay/client/manager_test.go

@@ -8,14 +8,15 @@ import (
 	log "github.com/sirupsen/logrus"
 	"go.opentelemetry.io/otel"
 
-	"github.com/netbirdio/netbird/shared/relay/auth/allow"
+	"github.com/netbirdio/netbird/client/iface"
 	"github.com/netbirdio/netbird/relay/server"
+	"github.com/netbirdio/netbird/shared/relay/auth/allow"
 )
 
 func TestEmptyURL(t *testing.T) {
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
-	mgr := NewManager(ctx, nil, "alice")
+	mgr := NewManager(ctx, nil, "alice", iface.DefaultMTU)
 	err := mgr.Serve()
 	if err == nil {
 		t.Errorf("expected error, got nil")
@@ -90,12 +91,12 @@ func TestForeignConn(t *testing.T) {
 
 	mCtx, cancel := context.WithCancel(ctx)
 	defer cancel()
-	clientAlice := NewManager(mCtx, toURL(lstCfg1), "alice")
+	clientAlice := NewManager(mCtx, toURL(lstCfg1), "alice", iface.DefaultMTU)
 	if err := clientAlice.Serve(); err != nil {
 		t.Fatalf("failed to serve manager: %s", err)
 	}
 
-	clientBob := NewManager(mCtx, toURL(srvCfg2), "bob")
+	clientBob := NewManager(mCtx, toURL(srvCfg2), "bob", iface.DefaultMTU)
 	if err := clientBob.Serve(); err != nil {
 		t.Fatalf("failed to serve manager: %s", err)
 	}
@@ -197,12 +198,12 @@ func TestForeginConnClose(t *testing.T) {
 	mCtx, cancel := context.WithCancel(ctx)
 	defer cancel()
 
-	mgrBob := NewManager(mCtx, toURL(srvCfg2), "bob")
+	mgrBob := NewManager(mCtx, toURL(srvCfg2), "bob", iface.DefaultMTU)
 	if err := mgrBob.Serve(); err != nil {
 		t.Fatalf("failed to serve manager: %s", err)
 	}
 
-	mgr := NewManager(mCtx, toURL(srvCfg1), "alice")
+	mgr := NewManager(mCtx, toURL(srvCfg1), "alice", iface.DefaultMTU)
 	err = mgr.Serve()
 	if err != nil {
 		t.Fatalf("failed to serve manager: %s", err)
@@ -282,7 +283,7 @@ func TestForeignAutoClose(t *testing.T) {
 	t.Log("connect to server 1.")
 	mCtx, cancel := context.WithCancel(ctx)
 	defer cancel()
-	mgr := NewManager(mCtx, toURL(srvCfg1), idAlice)
+	mgr := NewManager(mCtx, toURL(srvCfg1), idAlice, iface.DefaultMTU)
 	err = mgr.Serve()
 	if err != nil {
 		t.Fatalf("failed to serve manager: %s", err)
@@ -353,13 +354,13 @@ func TestAutoReconnect(t *testing.T) {
 	mCtx, cancel := context.WithCancel(ctx)
 	defer cancel()
 
-	clientBob := NewManager(mCtx, toURL(srvCfg), "bob")
+	clientBob := NewManager(mCtx, toURL(srvCfg), "bob", iface.DefaultMTU)
 	err = clientBob.Serve()
 	if err != nil {
 		t.Fatalf("failed to serve manager: %s", err)
 	}
 
-	clientAlice := NewManager(mCtx, toURL(srvCfg), "alice")
+	clientAlice := NewManager(mCtx, toURL(srvCfg), "alice", iface.DefaultMTU)
 	err = clientAlice.Serve()
 	if err != nil {
 		t.Fatalf("failed to serve manager: %s", err)
@@ -428,12 +429,12 @@ func TestNotifierDoubleAdd(t *testing.T) {
 	mCtx, cancel := context.WithCancel(ctx)
 	defer cancel()
 
-	clientBob := NewManager(mCtx, toURL(listenerCfg1), "bob")
+	clientBob := NewManager(mCtx, toURL(listenerCfg1), "bob", iface.DefaultMTU)
 	if err = clientBob.Serve(); err != nil {
 		t.Fatalf("failed to serve manager: %s", err)
 	}
 
-	clientAlice := NewManager(mCtx, toURL(listenerCfg1), "alice")
+	clientAlice := NewManager(mCtx, toURL(listenerCfg1), "alice", iface.DefaultMTU)
 	if err = clientAlice.Serve(); err != nil {
 		t.Fatalf("failed to serve manager: %s", err)
 	}

shared/relay/client/picker.go

@@ -30,6 +30,7 @@ type ServerPicker struct {
 	TokenStore *auth.TokenStore
 	ServerURLs atomic.Value
 	PeerID     string
+	MTU        uint16
 }
 
 func (sp *ServerPicker) PickServer(parentCtx context.Context) (*Client, error) {
@@ -70,7 +71,7 @@ func (sp *ServerPicker) PickServer(parentCtx context.Context) (*Client, error) {
 
 func (sp *ServerPicker) startConnection(ctx context.Context, resultChan chan connResult, url string) {
 	log.Infof("try to connecting to relay server: %s", url)
-	relayClient := NewClient(url, sp.TokenStore, sp.PeerID)
+	relayClient := NewClient(url, sp.TokenStore, sp.PeerID, sp.MTU)
 	err := relayClient.Connect(ctx)
 	resultChan <- connResult{
 		RelayClient: relayClient,

sharedsock/example/main.go

@@ -5,14 +5,16 @@ import (
 	"os"
 	"os/signal"
 
-	"github.com/netbirdio/netbird/sharedsock"
 	log "github.com/sirupsen/logrus"
+
+	"github.com/netbirdio/netbird/client/iface"
+	"github.com/netbirdio/netbird/sharedsock"
 )
 
 func main() {
 
 	port := 51820
-	rawSock, err := sharedsock.Listen(port, sharedsock.NewIncomingSTUNFilter())
+	rawSock, err := sharedsock.Listen(port, sharedsock.NewIncomingSTUNFilter(), iface.DefaultMTU)
 	if err != nil {
 		panic(err)
 	}

sharedsock/sock_linux.go

@@ -36,6 +36,7 @@ type SharedSocket struct {
 	conn4       *socket.Conn
 	conn6       *socket.Conn
 	port        int
+	mtu         uint16
 	routerMux   sync.RWMutex
 	router      routing.Router
 	packetDemux chan rcvdPacket
@@ -56,12 +57,19 @@ var writeSerializerOptions = gopacket.SerializeOptions{
 	FixLengths:       true,
 }
 
+// Maximum overhead for IP + UDP headers on raw socket
+// IPv4: max 60 bytes (20 base + 40 options) + UDP 8 bytes = 68 bytes
+// IPv6: 40 bytes + UDP 8 bytes = 48 bytes
+// We use the maximum (68) for both IPv4 and IPv6
+const maxIPUDPOverhead = 68
+
 // Listen creates an IPv4 and IPv6 raw sockets, starts a reader and routing table routines
-func Listen(port int, filter BPFFilter) (_ net.PacketConn, err error) {
+func Listen(port int, filter BPFFilter, mtu uint16) (_ net.PacketConn, err error) {
 	ctx, cancel := context.WithCancel(context.Background())
 	rawSock := &SharedSocket{
 		ctx:         ctx,
 		cancel:      cancel,
+		mtu:         mtu,
 		port:        port,
 		packetDemux: make(chan rcvdPacket),
 	}
@@ -222,8 +230,10 @@ func (s *SharedSocket) Close() error {
 
 // read start a read loop for a specific receiver and sends the packet to the packetDemux channel
 func (s *SharedSocket) read(receiver receiver) {
+	// Buffer reuse is safe: packetDemux is unbuffered, so read() blocks until
+	// ReadFrom() synchronously processes the packet before next iteration
+	buf := make([]byte, s.mtu+maxIPUDPOverhead)
 	for {
-		buf := make([]byte, 1500)
 		n, addr, err := receiver(s.ctx, buf, 0)
 		select {
 		case <-s.ctx.Done():

sharedsock/sock_linux_test.go

@@ -21,7 +21,7 @@ func TestShouldReadSTUNOnReadFrom(t *testing.T) {
 
 	// create raw socket on a port
 	testingPort := 51821
-	rawSock, err := Listen(testingPort, NewIncomingSTUNFilter())
+	rawSock, err := Listen(testingPort, NewIncomingSTUNFilter(), 1280)
 	require.NoError(t, err, "received an error while creating STUN listener, error: %s", err)
 	err = rawSock.SetReadDeadline(time.Now().Add(3 * time.Second))
 	require.NoError(t, err, "unable to set deadline, error: %s", err)
@@ -76,7 +76,7 @@ func TestShouldReadSTUNOnReadFrom(t *testing.T) {
 
 func TestShouldNotReadNonSTUNPackets(t *testing.T) {
 	testingPort := 39439
-	rawSock, err := Listen(testingPort, NewIncomingSTUNFilter())
+	rawSock, err := Listen(testingPort, NewIncomingSTUNFilter(), 1280)
 	require.NoError(t, err, "received an error while creating STUN listener, error: %s", err)
 	defer rawSock.Close()
 
@@ -110,7 +110,7 @@ func TestWriteTo(t *testing.T) {
 	defer udpListener.Close()
 
 	testingPort := 39440
-	rawSock, err := Listen(testingPort, NewIncomingSTUNFilter())
+	rawSock, err := Listen(testingPort, NewIncomingSTUNFilter(), 1280)
 	require.NoError(t, err, "received an error while creating STUN listener, error: %s", err)
 	defer rawSock.Close()
 
@@ -144,7 +144,7 @@ func TestWriteTo(t *testing.T) {
 }
 
 func TestSharedSocket_Close(t *testing.T) {
-	rawSock, err := Listen(39440, NewIncomingSTUNFilter())
+	rawSock, err := Listen(39440, NewIncomingSTUNFilter(), 1280)
 	require.NoError(t, err, "received an error while creating STUN listener, error: %s", err)
 
 	errGrp := errgroup.Group{}

sharedsock/sock_nolinux.go

@@ -9,6 +9,6 @@ import (
 )
 
 // Listen is not supported on other platforms then Linux
-func Listen(port int, filter BPFFilter) (net.PacketConn, error) {
+func Listen(port int, filter BPFFilter, mtu uint16) (net.PacketConn, error) {
 	return nil, fmt.Errorf("not supported OS %s. SharedSocket is only supported on Linux", runtime.GOOS)
 }

signal/cmd/run.go

@@ -8,6 +8,7 @@ import (
 	"fmt"
 	"net"
 	"net/http"
+
 	// nolint:gosec
 	_ "net/http/pprof"
 	"strings"

signal/peer/peer.go

@@ -5,10 +5,16 @@ import (
 	"sync"
 	"time"
 
+	"errors"
+
 	log "github.com/sirupsen/logrus"
 
-	"github.com/netbirdio/netbird/signal/metrics"
 	"github.com/netbirdio/netbird/shared/signal/proto"
+	"github.com/netbirdio/netbird/signal/metrics"
+)
+
+var (
+	ErrPeerAlreadyRegistered = errors.New("peer already registered")
 )
 
 // Peer representation of a connected Peer
@@ -23,15 +29,18 @@ type Peer struct {
 
 	// registration time
 	RegisteredAt time.Time
+
+	Cancel context.CancelFunc
 }
 
 // NewPeer creates a new instance of a connected Peer
-func NewPeer(id string, stream proto.SignalExchange_ConnectStreamServer) *Peer {
+func NewPeer(id string, stream proto.SignalExchange_ConnectStreamServer, cancel context.CancelFunc) *Peer {
 	return &Peer{
 		Id:           id,
 		Stream:       stream,
 		StreamID:     time.Now().UnixNano(),
 		RegisteredAt: time.Now(),
+		Cancel:       cancel,
 	}
 }
 
@@ -69,20 +78,24 @@ func (registry *Registry) IsPeerRegistered(peerId string) bool {
 }
 
 // Register registers peer in the registry
-func (registry *Registry) Register(peer *Peer) {
+func (registry *Registry) Register(peer *Peer) error {
 	start := time.Now()
 
-	registry.regMutex.Lock()
-	defer registry.regMutex.Unlock()
-
 	// can be that peer already exists, but it is fine (e.g. reconnect)
 	p, loaded := registry.Peers.LoadOrStore(peer.Id, peer)
 	if loaded {
 		pp := p.(*Peer)
+		if peer.StreamID > pp.StreamID {
 			log.Tracef("peer [%s] is already registered [new streamID %d, previous StreamID %d]. Will override stream.",
 				peer.Id, peer.StreamID, pp.StreamID)
-		registry.Peers.Store(peer.Id, peer)
-		return
+			if swapped := registry.Peers.CompareAndSwap(peer.Id, pp, peer); !swapped {
+				return registry.Register(peer)
+			}
+			pp.Cancel()
+			log.Debugf("peer re-registered [%s]", peer.Id)
+			return nil
+		}
+		return ErrPeerAlreadyRegistered
 	}
 
 	log.Debugf("peer registered [%s]", peer.Id)
@@ -92,22 +105,13 @@ func (registry *Registry) Register(peer *Peer) {
 	registry.metrics.RegistrationDelay.Record(context.Background(), float64(time.Since(start).Nanoseconds())/1e6)
 
 	registry.metrics.Registrations.Add(context.Background(), 1)
+
+	return nil
 }
 
 // Deregister Peer from the Registry (usually once it disconnects)
 func (registry *Registry) Deregister(peer *Peer) {
-	registry.regMutex.Lock()
-	defer registry.regMutex.Unlock()
-
-	p, loaded := registry.Peers.LoadAndDelete(peer.Id)
-	if loaded {
-		pp := p.(*Peer)
-		if peer.StreamID < pp.StreamID {
-			registry.Peers.Store(peer.Id, p)
-			log.Debugf("attempted to remove newer registered stream of a peer [%s] [newer streamID %d, previous StreamID %d]. Ignoring.",
-				peer.Id, pp.StreamID, peer.StreamID)
-			return
-		}
+	if deleted := registry.Peers.CompareAndDelete(peer.Id, peer); deleted {
 		registry.metrics.ActivePeers.Add(context.Background(), -1)
 		log.Debugf("peer deregistered [%s]", peer.Id)
 		registry.metrics.Deregistrations.Add(context.Background(), 1)

signal/peer/peer_test.go

@@ -1,13 +1,18 @@
 package peer
 
 import (
+	"context"
+	"sync"
 	"testing"
 	"time"
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"go.opentelemetry.io/otel"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/metadata"
 
+	"github.com/netbirdio/netbird/shared/signal/proto"
 	"github.com/netbirdio/netbird/signal/metrics"
 )
 
@@ -19,12 +24,16 @@ func TestRegistry_ShouldNotDeregisterWhenHasNewerStreamRegistered(t *testing.T)
 
 	peerID := "peer"
 
-	olderPeer := NewPeer(peerID, nil)
-	r.Register(olderPeer)
+	_, cancel1 := context.WithCancel(context.Background())
+	olderPeer := NewPeer(peerID, nil, cancel1)
+	err = r.Register(olderPeer)
+	require.NoError(t, err)
 	time.Sleep(time.Nanosecond)
 
-	newerPeer := NewPeer(peerID, nil)
-	r.Register(newerPeer)
+	_, cancel2 := context.WithCancel(context.Background())
+	newerPeer := NewPeer(peerID, nil, cancel2)
+	err = r.Register(newerPeer)
+	require.NoError(t, err)
 	registered, _ := r.Get(olderPeer.Id)
 
 	assert.NotNil(t, registered, "peer can't be nil")
@@ -59,10 +68,14 @@ func TestRegistry_Register(t *testing.T) {
 	require.NoError(t, err)
 
 	r := NewRegistry(metrics)
-	peer1 := NewPeer("test_peer_1", nil)
-	peer2 := NewPeer("test_peer_2", nil)
-	r.Register(peer1)
-	r.Register(peer2)
+	_, cancel1 := context.WithCancel(context.Background())
+	peer1 := NewPeer("test_peer_1", nil, cancel1)
+	_, cancel2 := context.WithCancel(context.Background())
+	peer2 := NewPeer("test_peer_2", nil, cancel2)
+	err = r.Register(peer1)
+	require.NoError(t, err)
+	err = r.Register(peer2)
+	require.NoError(t, err)
 
 	if _, ok := r.Get("test_peer_1"); !ok {
 		t.Errorf("expected test_peer_1 not found in the registry")
@@ -78,10 +91,14 @@ func TestRegistry_Deregister(t *testing.T) {
 	require.NoError(t, err)
 
 	r := NewRegistry(metrics)
-	peer1 := NewPeer("test_peer_1", nil)
-	peer2 := NewPeer("test_peer_2", nil)
-	r.Register(peer1)
-	r.Register(peer2)
+	_, cancel1 := context.WithCancel(context.Background())
+	peer1 := NewPeer("test_peer_1", nil, cancel1)
+	_, cancel2 := context.WithCancel(context.Background())
+	peer2 := NewPeer("test_peer_2", nil, cancel2)
+	err = r.Register(peer1)
+	require.NoError(t, err)
+	err = r.Register(peer2)
+	require.NoError(t, err)
 
 	r.Deregister(peer1)
 
@@ -94,3 +111,213 @@ func TestRegistry_Deregister(t *testing.T) {
 	}
 
 }
+
+func TestRegistry_MultipleRegister_Concurrency(t *testing.T) {
+
+	metrics, err := metrics.NewAppMetrics(otel.Meter(""))
+	require.NoError(t, err)
+	registry := NewRegistry(metrics)
+
+	numGoroutines := 1000
+
+	ids := make(chan int64, numGoroutines)
+
+	var wg sync.WaitGroup
+	wg.Add(numGoroutines)
+	peerID := "peer-concurrent"
+	for i := range numGoroutines {
+		go func(routineIndex int) {
+			defer wg.Done()
+
+			_, cancel := context.WithCancel(context.Background())
+			peer := NewPeer(peerID, nil, cancel)
+			_ = registry.Register(peer)
+			ids <- peer.StreamID
+		}(i)
+	}
+
+	wg.Wait()
+	close(ids)
+	maxId := int64(0)
+	for id := range ids {
+		maxId = max(maxId, id)
+	}
+
+	peer, ok := registry.Get(peerID)
+	require.True(t, ok, "expected peer to be registered")
+	require.Equal(t, maxId, peer.StreamID, "expected the highest StreamID to be registered")
+}
+
+func Benchmark_MultipleRegister_Concurrency(b *testing.B) {
+
+	metrics, err := metrics.NewAppMetrics(otel.Meter(""))
+	require.NoError(b, err)
+
+	numGoroutines := 1000
+
+	var wg sync.WaitGroup
+	peerID := "peer-concurrent"
+	_, cancel := context.WithCancel(context.Background())
+	b.Run("multiple-register", func(b *testing.B) {
+		registry := NewRegistry(metrics)
+		b.ResetTimer()
+		for j := 0; j < b.N; j++ {
+			wg.Add(numGoroutines)
+			for i := range numGoroutines {
+				go func(routineIndex int) {
+					defer wg.Done()
+
+					peer := NewPeer(peerID, nil, cancel)
+					_ = registry.Register(peer)
+				}(i)
+			}
+			wg.Wait()
+		}
+	})
+}
+
+func TestRegistry_MultipleDeregister_Concurrency(t *testing.T) {
+
+	metrics, err := metrics.NewAppMetrics(otel.Meter(""))
+	require.NoError(t, err)
+	registry := NewRegistry(metrics)
+
+	numGoroutines := 1000
+
+	ids := make(chan int64, numGoroutines)
+
+	var wg sync.WaitGroup
+	wg.Add(numGoroutines)
+	peerID := "peer-concurrent"
+	for i := range numGoroutines {
+		go func(routineIndex int) {
+			defer wg.Done()
+
+			_, cancel := context.WithCancel(context.Background())
+			peer := NewPeer(peerID, nil, cancel)
+			_ = registry.Register(peer)
+			ids <- peer.StreamID
+			registry.Deregister(peer)
+		}(i)
+	}
+
+	wg.Wait()
+	close(ids)
+	maxId := int64(0)
+	for id := range ids {
+		maxId = max(maxId, id)
+	}
+
+	_, ok := registry.Get(peerID)
+	require.False(t, ok, "expected peer to be deregistered")
+}
+
+func Benchmark_MultipleDeregister_Concurrency(b *testing.B) {
+
+	metrics, err := metrics.NewAppMetrics(otel.Meter(""))
+	require.NoError(b, err)
+
+	numGoroutines := 1000
+
+	var wg sync.WaitGroup
+	peerID := "peer-concurrent"
+	_, cancel := context.WithCancel(context.Background())
+	b.Run("register-deregister", func(b *testing.B) {
+		registry := NewRegistry(metrics)
+		b.ResetTimer()
+		for j := 0; j < b.N; j++ {
+			wg.Add(numGoroutines)
+			for i := range numGoroutines {
+				go func(routineIndex int) {
+					defer wg.Done()
+
+					peer := NewPeer(peerID, nil, cancel)
+					_ = registry.Register(peer)
+					time.Sleep(time.Nanosecond)
+					registry.Deregister(peer)
+				}(i)
+			}
+			wg.Wait()
+		}
+	})
+}
+
+type mockConnectStreamServer struct {
+	grpc.ServerStream
+	ctx context.Context
+}
+
+func (m *mockConnectStreamServer) Context() context.Context {
+	return m.ctx
+}
+
+func (m *mockConnectStreamServer) SendHeader(md metadata.MD) error {
+	return nil
+}
+
+func (m *mockConnectStreamServer) Send(msg *proto.EncryptedMessage) error {
+	return nil
+}
+
+func (m *mockConnectStreamServer) Recv() (*proto.EncryptedMessage, error) {
+	<-m.ctx.Done()
+	return nil, m.ctx.Err()
+}
+
+func TestReconnectHandling(t *testing.T) {
+	metrics, err := metrics.NewAppMetrics(otel.Meter(""))
+	require.NoError(t, err)
+	registry := NewRegistry(metrics)
+	peerID := "test-peer-reconnect"
+
+	ctx1, cancel1 := context.WithCancel(context.Background())
+	defer cancel1()
+	stream1 := &mockConnectStreamServer{ctx: ctx1}
+	peer1 := NewPeer(peerID, stream1, cancel1)
+
+	err = registry.Register(peer1)
+	require.NoError(t, err, "first registration should succeed")
+
+	p, found := registry.Get(peerID)
+	require.True(t, found, "peer should be found in the registry")
+	require.Equal(t, peer1.StreamID, p.StreamID, "StreamID of registered peer should match")
+
+	time.Sleep(time.Nanosecond)
+	ctx2, cancel2 := context.WithCancel(context.Background())
+	defer cancel2()
+	stream2 := &mockConnectStreamServer{ctx: ctx2}
+	peer2 := NewPeer(peerID, stream2, cancel2)
+
+	err = registry.Register(peer2)
+	require.NoError(t, err, "reconnect registration should succeed")
+
+	select {
+	case <-ctx1.Done():
+		require.ErrorIs(t, ctx1.Err(), context.Canceled, "context of old stream should be canceled after successful reconnection")
+	case <-time.After(100 * time.Millisecond):
+		t.Fatal("context of old stream was not canceled after reconnection")
+	}
+
+	p, found = registry.Get(peerID)
+	require.True(t, found)
+	require.Equal(t, peer2.StreamID, p.StreamID, "registered peer should have the new StreamID after reconnection")
+
+	ctx3, cancel3 := context.WithCancel(context.Background())
+	defer cancel3()
+	stream3 := &mockConnectStreamServer{ctx: ctx3}
+	stalePeer := NewPeer(peerID, stream3, cancel3)
+	stalePeer.StreamID = peer1.StreamID
+
+	err = registry.Register(stalePeer)
+	require.ErrorIs(t, err, ErrPeerAlreadyRegistered, "reconnecting with an old StreamID should return an error")
+
+	p, found = registry.Get(peerID)
+	require.True(t, found)
+	require.Equal(t, peer2.StreamID, p.StreamID, "active peer should still be the one with the latest StreamID")
+
+	select {
+	case <-ctx2.Done():
+		t.Fatal("context of the new stream should not be canceled after trying to register with an old StreamID")
+	default:
+	}
+}

signal/server/signal.go

@@ -2,7 +2,9 @@ package server
 
 import (
 	"context"
+	"errors"
 	"fmt"
+	"os"
 	"time"
 
 	log "github.com/sirupsen/logrus"
@@ -15,9 +17,9 @@ import (
 
 	"github.com/netbirdio/signal-dispatcher/dispatcher"
 
+	"github.com/netbirdio/netbird/shared/signal/proto"
 	"github.com/netbirdio/netbird/signal/metrics"
 	"github.com/netbirdio/netbird/signal/peer"
-	"github.com/netbirdio/netbird/shared/signal/proto"
 )
 
 const (
@@ -27,6 +29,8 @@ const (
 	labelTypeNotRegistered = "not_registered"
 	labelTypeStream        = "stream"
 	labelTypeMessage       = "message"
+	labelTypeTimeout       = "timeout"
+	labelTypeDisconnected  = "disconnected"
 
 	labelError                   = "error"
 	labelErrorMissingId          = "missing_id"
@@ -37,6 +41,12 @@ const (
 	labelRegistrationStatus   = "status"
 	labelRegistrationFound    = "found"
 	labelRegistrationNotFound = "not_found"
+
+	sendTimeout = 10 * time.Second
+)
+
+var (
+	ErrPeerRegisteredAgain = errors.New("peer registered again")
 )
 
 // Server an instance of a Signal server
@@ -45,6 +55,10 @@ type Server struct {
 	proto.UnimplementedSignalExchangeServer
 	dispatcher *dispatcher.Dispatcher
 	metrics    *metrics.AppMetrics
+
+	successHeader metadata.MD
+
+	sendTimeout time.Duration
 }
 
 // NewServer creates a new Signal server
@@ -59,10 +73,19 @@ func NewServer(ctx context.Context, meter metric.Meter) (*Server, error) {
 		return nil, fmt.Errorf("creating dispatcher: %v", err)
 	}
 
+	sTimeout := sendTimeout
+	to := os.Getenv("NB_SIGNAL_SEND_TIMEOUT")
+	if parsed, err := time.ParseDuration(to); err == nil && parsed > 0 {
+		log.Trace("using custom send timeout ", parsed)
+		sTimeout = parsed
+	}
+
 	s := &Server{
 		dispatcher:    d,
 		registry:      peer.NewRegistry(appMetrics),
 		metrics:       appMetrics,
+		successHeader: metadata.Pairs(proto.HeaderRegistered, "1"),
+		sendTimeout:   sTimeout,
 	}
 
 	return s, nil
@@ -82,7 +105,8 @@ func (s *Server) Send(ctx context.Context, msg *proto.EncryptedMessage) (*proto.
 
 // ConnectStream connects to the exchange stream
 func (s *Server) ConnectStream(stream proto.SignalExchange_ConnectStreamServer) error {
-	p, err := s.RegisterPeer(stream)
+	ctx, cancel := context.WithCancel(context.Background())
+	p, err := s.RegisterPeer(stream, cancel)
 	if err != nil {
 		return err
 	}
@@ -90,8 +114,7 @@ func (s *Server) ConnectStream(stream proto.SignalExchange_ConnectStreamServer)
 	defer s.DeregisterPeer(p)
 
 	// needed to confirm that the peer has been registered so that the client can proceed
-	header := metadata.Pairs(proto.HeaderRegistered, "1")
-	err = stream.SendHeader(header)
+	err = stream.SendHeader(s.successHeader)
 	if err != nil {
 		s.metrics.RegistrationFailures.Add(stream.Context(), 1, metric.WithAttributes(attribute.String(labelError, labelErrorFailedHeader)))
 		return err
@@ -99,27 +122,27 @@ func (s *Server) ConnectStream(stream proto.SignalExchange_ConnectStreamServer)
 
 	log.Debugf("peer connected [%s] [streamID %d] ", p.Id, p.StreamID)
 
-	<-stream.Context().Done()
+	select {
+	case <-stream.Context().Done():
 		log.Debugf("peer stream closing [%s] [streamID %d] ", p.Id, p.StreamID)
 		return nil
+	case <-ctx.Done():
+		return ErrPeerRegisteredAgain
+	}
 }
 
-func (s *Server) RegisterPeer(stream proto.SignalExchange_ConnectStreamServer) (*peer.Peer, error) {
+func (s *Server) RegisterPeer(stream proto.SignalExchange_ConnectStreamServer, cancel context.CancelFunc) (*peer.Peer, error) {
 	log.Debugf("registering new peer")
-	meta, hasMeta := metadata.FromIncomingContext(stream.Context())
-	if !hasMeta {
-		s.metrics.RegistrationFailures.Add(stream.Context(), 1, metric.WithAttributes(attribute.String(labelError, labelErrorMissingMeta)))
-		return nil, status.Errorf(codes.FailedPrecondition, "missing connection stream meta")
-	}
-
-	id, found := meta[proto.HeaderId]
-	if !found {
+	id := metadata.ValueFromIncomingContext(stream.Context(), proto.HeaderId)
+	if id == nil {
 		s.metrics.RegistrationFailures.Add(stream.Context(), 1, metric.WithAttributes(attribute.String(labelError, labelErrorMissingId)))
 		return nil, status.Errorf(codes.FailedPrecondition, "missing connection header: %s", proto.HeaderId)
 	}
 
-	p := peer.NewPeer(id[0], stream)
-	s.registry.Register(p)
+	p := peer.NewPeer(id[0], stream, cancel)
+	if err := s.registry.Register(p); err != nil {
+		return nil, err
+	}
 	err := s.dispatcher.ListenForMessages(stream.Context(), p.Id, s.forwardMessageToPeer)
 	if err != nil {
 		s.metrics.RegistrationFailures.Add(stream.Context(), 1, metric.WithAttributes(attribute.String(labelError, labelErrorFailedRegistration)))
@@ -131,8 +154,8 @@ func (s *Server) RegisterPeer(stream proto.SignalExchange_ConnectStreamServer) (
 
 func (s *Server) DeregisterPeer(p *peer.Peer) {
 	log.Debugf("peer disconnected [%s] [streamID %d] ", p.Id, p.StreamID)
-	s.registry.Deregister(p)
 	s.metrics.PeerConnectionDuration.Record(p.Stream.Context(), int64(time.Since(p.RegisteredAt).Seconds()))
+	s.registry.Deregister(p)
 }
 
 func (s *Server) forwardMessageToPeer(ctx context.Context, msg *proto.EncryptedMessage) {
@@ -145,7 +168,7 @@ func (s *Server) forwardMessageToPeer(ctx context.Context, msg *proto.EncryptedM
 	if !found {
 		s.metrics.GetRegistrationDelay.Record(ctx, float64(time.Since(getRegistrationStart).Nanoseconds())/1e6, metric.WithAttributes(attribute.String(labelType, labelTypeStream), attribute.String(labelRegistrationStatus, labelRegistrationNotFound)))
 		s.metrics.MessageForwardFailures.Add(ctx, 1, metric.WithAttributes(attribute.String(labelType, labelTypeNotConnected)))
-		log.Debugf("message from peer [%s] can't be forwarded to peer [%s] because destination peer is not connected", msg.Key, msg.RemoteKey)
+		log.Tracef("message from peer [%s] can't be forwarded to peer [%s] because destination peer is not connected", msg.Key, msg.RemoteKey)
 		// todo respond to the sender?
 		return
 	}
@@ -153,16 +176,34 @@ func (s *Server) forwardMessageToPeer(ctx context.Context, msg *proto.EncryptedM
 	s.metrics.GetRegistrationDelay.Record(ctx, float64(time.Since(getRegistrationStart).Nanoseconds())/1e6, metric.WithAttributes(attribute.String(labelType, labelTypeStream), attribute.String(labelRegistrationStatus, labelRegistrationFound)))
 	start := time.Now()
 
-	// forward the message to the target peer
-	if err := dstPeer.Stream.Send(msg); err != nil {
-		log.Tracef("error while forwarding message from peer [%s] to peer [%s] %v", msg.Key, msg.RemoteKey, err)
-		// todo respond to the sender?
+	sendResultChan := make(chan error, 1)
+	go func() {
+		select {
+		case sendResultChan <- dstPeer.Stream.Send(msg):
+			return
+		case <-dstPeer.Stream.Context().Done():
+			return
+		}
+	}()
+
+	select {
+	case err := <-sendResultChan:
+		if err != nil {
+			log.Tracef("error while forwarding message from peer [%s] to peer [%s]: %v", msg.Key, msg.RemoteKey, err)
 			s.metrics.MessageForwardFailures.Add(ctx, 1, metric.WithAttributes(attribute.String(labelType, labelTypeError)))
 			return
 		}
-
-	// in milliseconds
 		s.metrics.MessageForwardLatency.Record(ctx, float64(time.Since(start).Nanoseconds())/1e6, metric.WithAttributes(attribute.String(labelType, labelTypeStream)))
 		s.metrics.MessagesForwarded.Add(ctx, 1)
 		s.metrics.MessageSize.Record(ctx, int64(gproto.Size(msg)), metric.WithAttributes(attribute.String(labelType, labelTypeMessage)))
+
+	case <-dstPeer.Stream.Context().Done():
+		log.Tracef("failed to forward message from peer [%s] to peer [%s]: destination peer disconnected", msg.Key, msg.RemoteKey)
+		s.metrics.MessageForwardFailures.Add(ctx, 1, metric.WithAttributes(attribute.String(labelType, labelTypeDisconnected)))
+
+	case <-time.After(s.sendTimeout):
+		dstPeer.Cancel() // cancel the peer context to trigger deregistration
+		log.Tracef("failed to forward message from peer [%s] to peer [%s]: send timeout", msg.Key, msg.RemoteKey)
+		s.metrics.MessageForwardFailures.Add(ctx, 1, metric.WithAttributes(attribute.String(labelType, labelTypeTimeout)))
+	}
 }

util/net/protectsocket_android.go

@@ -4,6 +4,8 @@ import (
 	"fmt"
 	"sync"
 	"syscall"
+
+	"github.com/netbirdio/netbird/client/iface/netstack"
 )
 
 var (
@@ -19,6 +21,9 @@ func SetAndroidProtectSocketFn(fn func(fd int32) bool) {
 
 // ControlProtectSocket is a Control function that sets the fwmark on the socket
 func ControlProtectSocket(_, _ string, c syscall.RawConn) error {
+	if netstack.IsEnabled() {
+		return nil
+	}
 	var aErr error
 	err := c.Control(func(fd uintptr) {
 		androidProtectSocketLock.Lock()