diff --git a/client.go b/client.go
index aeafb74..11b3160 100644
--- a/client.go
+++ b/client.go
@@ -64,6 +64,8 @@ type ClientConfig struct {
 	RpcConnMax int
 	PeerConnMax int
 	PeerConnTmout time.Duration
+
+	Token string // to send to the server for identification
 }
 
 type ClientConnNoticeHandler interface {
@@ -98,6 +100,7 @@ type Client struct {
 	wg          sync.WaitGroup
 	stop_req    atomic.Bool
 	stop_chan   chan bool
+	token       string
 
 	log             Logger
 	conn_notice     ClientConnNoticeHandler
@@ -1007,6 +1010,14 @@ start_over:
 
 	cts.psc = &GuardedPacketStreamClient{Hodu_PacketStreamClient: psc}
 
+	if cts.C.token != "" {
+		err = cts.psc.Send(MakeConnDescPacket(cts.C.token))
+		if err != nil {
+			cts.C.log.Write(cts.Sid, LOG_ERROR, "Failed to send conn-desc to server[%d] %s - %s", cts.cfg.Index, cts.cfg.ServerAddrs[cts.cfg.Index], err.Error())
+			goto reconnect_to_server
+		}
+	}
+
 	if len(cts.cfg.Routes) > 0 {
 		// the connection structure to a server is ready.
 		// let's add statically configured routes to the client-side peers
@@ -1344,6 +1355,7 @@ func NewClient(ctx context.Context, name string, logger Logger, cfg *ClientConfi
 	c.stop_req.Store(false)
 	c.stop_chan = make(chan bool, 8)
 	c.log = logger
+	c.token = cfg.Token
 
 	c.rpc_tls = cfg.RpcTls
 	c.ctl_auth = cfg.CtlAuth
diff --git a/go.mod b/go.mod
index 4b8c2fd..af30886 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,7 @@ module hodu
 go 1.22.0
 
 require (
+	github.com/prometheus/client_golang v1.20.5
 	golang.org/x/crypto v0.26.0
 	golang.org/x/net v0.28.0
 	golang.org/x/sys v0.24.0
@@ -16,8 +17,8 @@ require (
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/klauspost/compress v1.17.9 // indirect
+	github.com/kr/text v0.2.0 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
-	github.com/prometheus/client_golang v1.20.5 // indirect
 	github.com/prometheus/client_model v0.6.1 // indirect
 	github.com/prometheus/common v0.55.0 // indirect
 	github.com/prometheus/procfs v0.15.1 // indirect
diff --git a/go.sum b/go.sum
index 1013442..aca624b 100644
--- a/go.sum
+++ b/go.sum
@@ -2,10 +2,17 @@ github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/klauspost/compress v1.17.9 h1:6KIumPrER1LHsvBVuDa0r5xaG0Es51mhhB9BQB2qeMA=
 github.com/klauspost/compress v1.17.9/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw=
+github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
+github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
+github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
+github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
+github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
 github.com/prometheus/client_golang v1.20.5 h1:cxppBPuYhUnsO6yo/aoRol4L7q7UFfdm+bR9r+8l63Y=
@@ -16,6 +23,8 @@ github.com/prometheus/common v0.55.0 h1:KEi6DK7lXW/m7Ig5i47x0vRzuBsHuvJdi5ee6Y3G
 github.com/prometheus/common v0.55.0/go.mod h1:2SECS4xJG1kd8XF9IcM1gMX6510RAEL65zxzNImwdc8=
 github.com/prometheus/procfs v0.15.1 h1:YagwOFzUgYfKKHX6Dr+sHT7km/hxC76UB0learggepc=
 github.com/prometheus/procfs v0.15.1/go.mod h1:fB45yRUv8NstnjriLhBQLuOUt+WW4BsoGhij/e3PBqk=
+github.com/rogpeppe/go-internal v1.10.0 h1:TMyTOH3F/DB16zRVcYyreMH6GnZZrwQVAoYjRBZyWFQ=
+github.com/rogpeppe/go-internal v1.10.0/go.mod h1:UQnix2H7Ngw/k4C5ijL5+65zddjncjaFoBhdsK/akog=
 golang.org/x/crypto v0.26.0 h1:RrRspgV4mU+YwB4FYnuBoKsUapNIL5cohGAmSH3azsw=
 golang.org/x/crypto v0.26.0/go.mod h1:GY7jblb9wI+FOo5y8/S2oY4zWP07AkOJ4+jxCqdqn54=
 golang.org/x/net v0.28.0 h1:a9JDOJc5GMUJ0+UDqmLT86WiEy7iWyIhz8gz8E4e5hE=
@@ -32,7 +41,8 @@ google.golang.org/grpc v1.67.1 h1:zWnc1Vrcno+lHZCOofnIMvycFcc0QRGIzm9dhnDX68E=
 google.golang.org/grpc v1.67.1/go.mod h1:1gLDyUQU7CTLJI90u3nXZ9ekeghjeM7pTDZlqFNg2AA=
 google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
 google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/hodu.pb.go b/hodu.pb.go
index 27ffaa4..f4d01b2 100644
--- a/hodu.pb.go
+++ b/hodu.pb.go
@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.35.1
+// 	protoc-gen-go v1.36.5
 // 	protoc        v3.19.6
 // source: hodu.proto
 
@@ -11,6 +11,7 @@ import (
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
 	sync "sync"
+	unsafe "unsafe"
 )
 
 const (
@@ -97,7 +98,8 @@ const (
 	PACKET_KIND_PEER_ABORTED  PACKET_KIND = 7
 	PACKET_KIND_PEER_EOF      PACKET_KIND = 8
 	PACKET_KIND_PEER_DATA     PACKET_KIND = 9
-	PACKET_KIND_CONN_NOTICE   PACKET_KIND = 10
+	PACKET_KIND_CONN_DESC     PACKET_KIND = 11
+	PACKET_KIND_CONN_NOTICE   PACKET_KIND = 12
 )
 
 // Enum value maps for PACKET_KIND.
@@ -113,7 +115,8 @@ var (
 		7:  "PEER_ABORTED",
 		8:  "PEER_EOF",
 		9:  "PEER_DATA",
-		10: "CONN_NOTICE",
+		11: "CONN_DESC",
+		12: "CONN_NOTICE",
 	}
 	PACKET_KIND_value = map[string]int32{
 		"RESERVED":      0,
@@ -126,7 +129,8 @@ var (
 		"PEER_ABORTED":  7,
 		"PEER_EOF":      8,
 		"PEER_DATA":     9,
-		"CONN_NOTICE":   10,
+		"CONN_DESC":     11,
+		"CONN_NOTICE":   12,
 	}
 )
 
@@ -158,12 +162,11 @@ func (PACKET_KIND) EnumDescriptor() ([]byte, []int) {
 }
 
 type Seed struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Version       uint32                 `protobuf:"varint,1,opt,name=Version,proto3" json:"Version,omitempty"`
+	Flags         uint64                 `protobuf:"varint,2,opt,name=Flags,proto3" json:"Flags,omitempty"`
 	unknownFields protoimpl.UnknownFields
-
-	Version uint32 `protobuf:"varint,1,opt,name=Version,proto3" json:"Version,omitempty"`
-	Flags   uint64 `protobuf:"varint,2,opt,name=Flags,proto3" json:"Flags,omitempty"`
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *Seed) Reset() {
@@ -211,11 +214,8 @@ func (x *Seed) GetFlags() uint64 {
 }
 
 type RouteDesc struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	RouteId uint32 `protobuf:"varint,1,opt,name=RouteId,proto3" json:"RouteId,omitempty"`
+	state   protoimpl.MessageState `protogen:"open.v1"`
+	RouteId uint32                 `protobuf:"varint,1,opt,name=RouteId,proto3" json:"RouteId,omitempty"`
 	// C->S(ROUTE_START): client-side peer address
 	// S->C(ROUTE_STARTED): server-side listening address
 	TargetAddrStr string `protobuf:"bytes,2,opt,name=TargetAddrStr,proto3" json:"TargetAddrStr,omitempty"`
@@ -235,6 +235,8 @@ type RouteDesc struct {
 	// C->S(ROUTE_START): permitted network of server-side peers.
 	// S->C(ROUTE_STARTED): cloned as sent by C.
 	ServiceNetStr string `protobuf:"bytes,6,opt,name=ServiceNetStr,proto3" json:"ServiceNetStr,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *RouteDesc) Reset() {
@@ -310,14 +312,13 @@ func (x *RouteDesc) GetServiceNetStr() string {
 }
 
 type PeerDesc struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	RouteId       uint32                 `protobuf:"varint,1,opt,name=RouteId,proto3" json:"RouteId,omitempty"`
+	PeerId        uint32                 `protobuf:"varint,2,opt,name=PeerId,proto3" json:"PeerId,omitempty"`
+	RemoteAddrStr string                 `protobuf:"bytes,3,opt,name=RemoteAddrStr,proto3" json:"RemoteAddrStr,omitempty"`
+	LocalAddrStr  string                 `protobuf:"bytes,4,opt,name=LocalAddrStr,proto3" json:"LocalAddrStr,omitempty"`
 	unknownFields protoimpl.UnknownFields
-
-	RouteId       uint32 `protobuf:"varint,1,opt,name=RouteId,proto3" json:"RouteId,omitempty"`
-	PeerId        uint32 `protobuf:"varint,2,opt,name=PeerId,proto3" json:"PeerId,omitempty"`
-	RemoteAddrStr string `protobuf:"bytes,3,opt,name=RemoteAddrStr,proto3" json:"RemoteAddrStr,omitempty"`
-	LocalAddrStr  string `protobuf:"bytes,4,opt,name=LocalAddrStr,proto3" json:"LocalAddrStr,omitempty"`
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *PeerDesc) Reset() {
@@ -379,13 +380,12 @@ func (x *PeerDesc) GetLocalAddrStr() string {
 }
 
 type PeerData struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	RouteId       uint32                 `protobuf:"varint,1,opt,name=RouteId,proto3" json:"RouteId,omitempty"`
+	PeerId        uint32                 `protobuf:"varint,2,opt,name=PeerId,proto3" json:"PeerId,omitempty"`
+	Data          []byte                 `protobuf:"bytes,3,opt,name=Data,proto3" json:"Data,omitempty"`
 	unknownFields protoimpl.UnknownFields
-
-	RouteId uint32 `protobuf:"varint,1,opt,name=RouteId,proto3" json:"RouteId,omitempty"`
-	PeerId  uint32 `protobuf:"varint,2,opt,name=PeerId,proto3" json:"PeerId,omitempty"`
-	Data    []byte `protobuf:"bytes,3,opt,name=Data,proto3" json:"Data,omitempty"`
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *PeerData) Reset() {
@@ -439,17 +439,60 @@ func (x *PeerData) GetData() []byte {
 	return nil
 }
 
-type ConnNotice struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
+type ConnDesc struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Token         string                 `protobuf:"bytes,1,opt,name=Token,proto3" json:"Token,omitempty"`
 	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
 
-	Text string `protobuf:"bytes,1,opt,name=Text,proto3" json:"Text,omitempty"`
+func (x *ConnDesc) Reset() {
+	*x = ConnDesc{}
+	mi := &file_hodu_proto_msgTypes[4]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *ConnDesc) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ConnDesc) ProtoMessage() {}
+
+func (x *ConnDesc) ProtoReflect() protoreflect.Message {
+	mi := &file_hodu_proto_msgTypes[4]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ConnDesc.ProtoReflect.Descriptor instead.
+func (*ConnDesc) Descriptor() ([]byte, []int) {
+	return file_hodu_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *ConnDesc) GetToken() string {
+	if x != nil {
+		return x.Token
+	}
+	return ""
+}
+
+type ConnNotice struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Text          string                 `protobuf:"bytes,1,opt,name=Text,proto3" json:"Text,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *ConnNotice) Reset() {
 	*x = ConnNotice{}
-	mi := &file_hodu_proto_msgTypes[4]
+	mi := &file_hodu_proto_msgTypes[5]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -461,7 +504,7 @@ func (x *ConnNotice) String() string {
 func (*ConnNotice) ProtoMessage() {}
 
 func (x *ConnNotice) ProtoReflect() protoreflect.Message {
-	mi := &file_hodu_proto_msgTypes[4]
+	mi := &file_hodu_proto_msgTypes[5]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -474,7 +517,7 @@ func (x *ConnNotice) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ConnNotice.ProtoReflect.Descriptor instead.
 func (*ConnNotice) Descriptor() ([]byte, []int) {
-	return file_hodu_proto_rawDescGZIP(), []int{4}
+	return file_hodu_proto_rawDescGZIP(), []int{5}
 }
 
 func (x *ConnNotice) GetText() string {
@@ -485,23 +528,23 @@ func (x *ConnNotice) GetText() string {
 }
 
 type Packet struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Kind PACKET_KIND `protobuf:"varint,1,opt,name=Kind,proto3,enum=PACKET_KIND" json:"Kind,omitempty"`
-	// Types that are assignable to U:
+	state protoimpl.MessageState `protogen:"open.v1"`
+	Kind  PACKET_KIND            `protobuf:"varint,1,opt,name=Kind,proto3,enum=PACKET_KIND" json:"Kind,omitempty"`
+	// Types that are valid to be assigned to U:
 	//
 	//	*Packet_Route
 	//	*Packet_Peer
 	//	*Packet_Data
+	//	*Packet_Conn
 	//	*Packet_Notice
-	U isPacket_U `protobuf_oneof:"U"`
+	U             isPacket_U `protobuf_oneof:"U"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *Packet) Reset() {
 	*x = Packet{}
-	mi := &file_hodu_proto_msgTypes[5]
+	mi := &file_hodu_proto_msgTypes[6]
 	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 	ms.StoreMessageInfo(mi)
 }
@@ -513,7 +556,7 @@ func (x *Packet) String() string {
 func (*Packet) ProtoMessage() {}
 
 func (x *Packet) ProtoReflect() protoreflect.Message {
-	mi := &file_hodu_proto_msgTypes[5]
+	mi := &file_hodu_proto_msgTypes[6]
 	if x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -526,7 +569,7 @@ func (x *Packet) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Packet.ProtoReflect.Descriptor instead.
 func (*Packet) Descriptor() ([]byte, []int) {
-	return file_hodu_proto_rawDescGZIP(), []int{5}
+	return file_hodu_proto_rawDescGZIP(), []int{6}
 }
 
 func (x *Packet) GetKind() PACKET_KIND {
@@ -536,37 +579,54 @@ func (x *Packet) GetKind() PACKET_KIND {
 	return PACKET_KIND_RESERVED
 }
 
-func (m *Packet) GetU() isPacket_U {
-	if m != nil {
-		return m.U
+func (x *Packet) GetU() isPacket_U {
+	if x != nil {
+		return x.U
 	}
 	return nil
 }
 
 func (x *Packet) GetRoute() *RouteDesc {
-	if x, ok := x.GetU().(*Packet_Route); ok {
-		return x.Route
+	if x != nil {
+		if x, ok := x.U.(*Packet_Route); ok {
+			return x.Route
+		}
 	}
 	return nil
 }
 
 func (x *Packet) GetPeer() *PeerDesc {
-	if x, ok := x.GetU().(*Packet_Peer); ok {
-		return x.Peer
+	if x != nil {
+		if x, ok := x.U.(*Packet_Peer); ok {
+			return x.Peer
+		}
 	}
 	return nil
 }
 
 func (x *Packet) GetData() *PeerData {
-	if x, ok := x.GetU().(*Packet_Data); ok {
-		return x.Data
+	if x != nil {
+		if x, ok := x.U.(*Packet_Data); ok {
+			return x.Data
+		}
+	}
+	return nil
+}
+
+func (x *Packet) GetConn() *ConnDesc {
+	if x != nil {
+		if x, ok := x.U.(*Packet_Conn); ok {
+			return x.Conn
+		}
 	}
 	return nil
 }
 
 func (x *Packet) GetNotice() *ConnNotice {
-	if x, ok := x.GetU().(*Packet_Notice); ok {
-		return x.Notice
+	if x != nil {
+		if x, ok := x.U.(*Packet_Notice); ok {
+			return x.Notice
+		}
 	}
 	return nil
 }
@@ -587,8 +647,12 @@ type Packet_Data struct {
 	Data *PeerData `protobuf:"bytes,4,opt,name=Data,proto3,oneof"`
 }
 
+type Packet_Conn struct {
+	Conn *ConnDesc `protobuf:"bytes,5,opt,name=Conn,proto3,oneof"`
+}
+
 type Packet_Notice struct {
-	Notice *ConnNotice `protobuf:"bytes,5,opt,name=Notice,proto3,oneof"`
+	Notice *ConnNotice `protobuf:"bytes,6,opt,name=Notice,proto3,oneof"`
 }
 
 func (*Packet_Route) isPacket_U() {}
@@ -597,11 +661,13 @@ func (*Packet_Peer) isPacket_U() {}
 
 func (*Packet_Data) isPacket_U() {}
 
+func (*Packet_Conn) isPacket_U() {}
+
 func (*Packet_Notice) isPacket_U() {}
 
 var File_hodu_proto protoreflect.FileDescriptor
 
-var file_hodu_proto_rawDesc = []byte{
+var file_hodu_proto_rawDesc = string([]byte{
 	0x0a, 0x0a, 0x68, 0x6f, 0x64, 0x75, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x36, 0x0a, 0x04,
 	0x53, 0x65, 0x65, 0x64, 0x12, 0x18, 0x0a, 0x07, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x18,
 	0x01, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x07, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x12, 0x14,
@@ -634,61 +700,66 @@ var file_hodu_proto_rawDesc = []byte{
 	0x75, 0x74, 0x65, 0x49, 0x64, 0x12, 0x16, 0x0a, 0x06, 0x50, 0x65, 0x65, 0x72, 0x49, 0x64, 0x18,
 	0x02, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x06, 0x50, 0x65, 0x65, 0x72, 0x49, 0x64, 0x12, 0x12, 0x0a,
 	0x04, 0x44, 0x61, 0x74, 0x61, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x04, 0x44, 0x61, 0x74,
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+})
 
 var (
 	file_hodu_proto_rawDescOnce sync.Once
-	file_hodu_proto_rawDescData = file_hodu_proto_rawDesc
+	file_hodu_proto_rawDescData []byte
 )
 
 func file_hodu_proto_rawDescGZIP() []byte {
 	file_hodu_proto_rawDescOnce.Do(func() {
-		file_hodu_proto_rawDescData = protoimpl.X.CompressGZIP(file_hodu_proto_rawDescData)
+		file_hodu_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_hodu_proto_rawDesc), len(file_hodu_proto_rawDesc)))
 	})
 	return file_hodu_proto_rawDescData
 }
 
 var file_hodu_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
-var file_hodu_proto_msgTypes = make([]protoimpl.MessageInfo, 6)
+var file_hodu_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
 var file_hodu_proto_goTypes = []any{
 	(ROUTE_OPTION)(0),  // 0: ROUTE_OPTION
 	(PACKET_KIND)(0),   // 1: PACKET_KIND
@@ -696,24 +767,26 @@ var file_hodu_proto_goTypes = []any{
 	(*RouteDesc)(nil),  // 3: RouteDesc
 	(*PeerDesc)(nil),   // 4: PeerDesc
 	(*PeerData)(nil),   // 5: PeerData
-	(*ConnNotice)(nil), // 6: ConnNotice
-	(*Packet)(nil),     // 7: Packet
+	(*ConnDesc)(nil),   // 6: ConnDesc
+	(*ConnNotice)(nil), // 7: ConnNotice
+	(*Packet)(nil),     // 8: Packet
 }
 var file_hodu_proto_depIdxs = []int32{
 	1, // 0: Packet.Kind:type_name -> PACKET_KIND
 	3, // 1: Packet.Route:type_name -> RouteDesc
 	4, // 2: Packet.Peer:type_name -> PeerDesc
 	5, // 3: Packet.Data:type_name -> PeerData
-	6, // 4: Packet.Notice:type_name -> ConnNotice
-	2, // 5: Hodu.GetSeed:input_type -> Seed
-	7, // 6: Hodu.PacketStream:input_type -> Packet
-	2, // 7: Hodu.GetSeed:output_type -> Seed
-	7, // 8: Hodu.PacketStream:output_type -> Packet
-	7, // [7:9] is the sub-list for method output_type
-	5, // [5:7] is the sub-list for method input_type
-	5, // [5:5] is the sub-list for extension type_name
-	5, // [5:5] is the sub-list for extension extendee
-	0, // [0:5] is the sub-list for field type_name
+	6, // 4: Packet.Conn:type_name -> ConnDesc
+	7, // 5: Packet.Notice:type_name -> ConnNotice
+	2, // 6: Hodu.GetSeed:input_type -> Seed
+	8, // 7: Hodu.PacketStream:input_type -> Packet
+	2, // 8: Hodu.GetSeed:output_type -> Seed
+	8, // 9: Hodu.PacketStream:output_type -> Packet
+	8, // [8:10] is the sub-list for method output_type
+	6, // [6:8] is the sub-list for method input_type
+	6, // [6:6] is the sub-list for extension type_name
+	6, // [6:6] is the sub-list for extension extendee
+	0, // [0:6] is the sub-list for field type_name
 }
 
 func init() { file_hodu_proto_init() }
@@ -721,19 +794,20 @@ func file_hodu_proto_init() {
 	if File_hodu_proto != nil {
 		return
 	}
-	file_hodu_proto_msgTypes[5].OneofWrappers = []any{
+	file_hodu_proto_msgTypes[6].OneofWrappers = []any{
 		(*Packet_Route)(nil),
 		(*Packet_Peer)(nil),
 		(*Packet_Data)(nil),
+		(*Packet_Conn)(nil),
 		(*Packet_Notice)(nil),
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_hodu_proto_rawDesc,
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_hodu_proto_rawDesc), len(file_hodu_proto_rawDesc)),
 			NumEnums:      2,
-			NumMessages:   6,
+			NumMessages:   7,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
@@ -743,7 +817,6 @@ func file_hodu_proto_init() {
 		MessageInfos:      file_hodu_proto_msgTypes,
 	}.Build()
 	File_hodu_proto = out.File
-	file_hodu_proto_rawDesc = nil
 	file_hodu_proto_goTypes = nil
 	file_hodu_proto_depIdxs = nil
 }
diff --git a/hodu.proto b/hodu.proto
index 6519ffd..b145156 100644
--- a/hodu.proto
+++ b/hodu.proto
@@ -68,6 +68,10 @@ message PeerData {
 	bytes Data     = 3;
 };
 
+message ConnDesc {
+        string Token = 1;
+}
+
 message ConnNotice {
 	string Text = 1;
 }
@@ -83,7 +87,8 @@ enum PACKET_KIND {
 	PEER_ABORTED  = 7;
 	PEER_EOF      = 8;
 	PEER_DATA     = 9;
-	CONN_NOTICE   = 10;
+        CONN_DESC     = 11;
+	CONN_NOTICE   = 12;
 };
 
 message Packet {
@@ -93,6 +98,7 @@ message Packet {
 		RouteDesc  Route  = 2;
 		PeerDesc   Peer   = 3;
 		PeerData   Data   = 4;
-		ConnNotice Notice = 5;
+                ConnDesc   Conn   = 5;
+		ConnNotice Notice = 6;
 	};
 }
diff --git a/packet.go b/packet.go
index 75bcf49..2ab9712 100644
--- a/packet.go
+++ b/packet.go
@@ -63,6 +63,10 @@ func MakePeerDataPacket(route_id RouteId, peer_id PeerId, data []byte) *Packet {
 		U: &Packet_Data{Data: &PeerData{RouteId: uint32(route_id), PeerId: uint32(peer_id), Data: data}}}
 }
 
+func MakeConnDescPacket(token string) *Packet {
+	return &Packet{Kind: PACKET_KIND_CONN_DESC,U: &Packet_Conn{Conn: &ConnDesc{Token: token}}}
+}
+
 func MakeConnNoticePacket(msg string) *Packet {
 	return &Packet{Kind: PACKET_KIND_CONN_NOTICE, U: &Packet_Notice{Notice: &ConnNotice{Text: msg}}}
 }
diff --git a/server-ctl.go b/server-ctl.go
index 46b2e6a..6714fa9 100644
--- a/server-ctl.go
+++ b/server-ctl.go
@@ -19,6 +19,7 @@ type json_out_server_conn struct {
 	Id ConnId `json:"id"`
 	ServerAddr string `json:"server-addr"`
 	ClientAddr string `json:"client-addr"`
+	ClientToken string `json:"client-token"`
 	Routes []json_out_server_route `json:"routes"`
 }
 
@@ -201,6 +202,7 @@ func (ctl *server_ctl_server_conns) ServeHTTP(w http.ResponseWriter, req *http.R
 					Id: cts.Id,
 					ClientAddr: cts.RemoteAddr.String(),
 					ServerAddr: cts.LocalAddr.String(),
+					ClientToken: cts.Token,
 					Routes: jsp,
 				})
 				cts.route_mtx.Unlock()
@@ -268,6 +270,7 @@ func (ctl *server_ctl_server_conns_id) ServeHTTP(w http.ResponseWriter, req *htt
 				Id: cts.Id,
 				ClientAddr: cts.RemoteAddr.String(),
 				ServerAddr: cts.LocalAddr.String(),
+				ClientToken: cts.Token,
 				Routes: jsp,
 			}
 			cts.route_mtx.Unlock()
diff --git a/server.go b/server.go
index 90e8863..90cb41a 100644
--- a/server.go
+++ b/server.go
@@ -128,6 +128,7 @@ type ServerConn struct {
 	S            *Server
 	Id            ConnId
 	Sid           string // for logging
+	Token         string // provided by client
 
 	RemoteAddr    net.Addr // client address that created this structure
 	LocalAddr     net.Addr // local address that the client is connected to
@@ -744,6 +745,16 @@ func (cts *ServerConn) receive_from_stream(wg *sync.WaitGroup) {
 					cts.S.log.Write(cts.Sid, LOG_ERROR, "Invalid peer_data event from %s", cts.RemoteAddr)
 				}
 
+			case PACKET_KIND_CONN_DESC:
+				var x *Packet_Conn
+				var ok bool
+				x, ok = pkt.U.(*Packet_Conn)
+				if ok {
+					cts.Token = x.Conn.Token
+				} else {
+					cts.S.log.Write(cts.Sid, LOG_ERROR, "Invalid conn_desc event from %s", cts.RemoteAddr)
+				}
+
 			case PACKET_KIND_CONN_NOTICE:
 				// the connection from the client to a peer has been established
 				var x *Packet_Notice