diff --git a/src/Cedar/CM.c b/src/Cedar/CM.c
index c908f30d..63555550 100644
--- a/src/Cedar/CM.c
+++ b/src/Cedar/CM.c
@@ -9655,6 +9655,12 @@ void CmPrintStatusToListViewEx(LVB *b, RPC_CLIENT_GET_CONNECTION_STATUS *s, bool
 			LvInsertAdd(b, 0, NULL, 2, _UU("CM_ST_UNDERLAY_PROTOCOL"), tmp);
 		}
 
+		if (IsEmptyStr(s->ProtocolDetails) == false)
+		{
+			StrToUni(tmp, sizeof(tmp), s->ProtocolDetails);
+			LvInsertAdd(b, 0, NULL, 2, _UU("CM_ST_PROTOCOL_DETAILS"), tmp);
+		}
+
 		LvInsertAdd(b, 0, NULL, 2, _UU("CM_ST_UDP_ACCEL_ENABLED"), (s->IsUdpAccelerationEnabled ? _UU("CM_ST_YES") : _UU("CM_ST_NO")));
 		LvInsertAdd(b, 0, NULL, 2, _UU("CM_ST_UDP_ACCEL_USING"), (s->IsUsingUdpAcceleration ? _UU("CM_ST_YES") : _UU("CM_ST_NO")));
 
diff --git a/src/Cedar/Client.c b/src/Cedar/Client.c
index d587d6e3..13005de9 100644
--- a/src/Cedar/Client.c
+++ b/src/Cedar/Client.c
@@ -5818,6 +5818,9 @@ void CiGetSessionStatus(RPC_CLIENT_GET_CONNECTION_STATUS *st, SESSION *s)
 				st->IsRUDPSession = s->IsRUDPSession;
 				// Physical communication protocol
 				StrCpy(st->UnderlayProtocol, sizeof(st->UnderlayProtocol), s->UnderlayProtocol);
+				// Protocol details
+				StrCpy(st->ProtocolDetails, sizeof(st->ProtocolDetails), s->ProtocolDetails);
+				Trim(st->ProtocolDetails);
 				// UDP acceleration function
 				st->IsUdpAccelerationEnabled = s->UseUdpAcceleration;
 				st->IsUsingUdpAcceleration = s->IsUsingUdpAcceleration;
diff --git a/src/Cedar/Client.h b/src/Cedar/Client.h
index 013ddbfb..c5dde36f 100644
--- a/src/Cedar/Client.h
+++ b/src/Cedar/Client.h
@@ -341,6 +341,7 @@ struct RPC_CLIENT_GET_CONNECTION_STATUS
 	bool UseCompress;						// Use of compression
 	bool IsRUDPSession;						// R-UDP session
 	char UnderlayProtocol[64];				// Physical communication protocol
+	char ProtocolDetails[256];				// Protocol details
 	bool IsUdpAccelerationEnabled;			// The UDP acceleration is enabled
 	bool IsUsingUdpAcceleration;			// Using the UDP acceleration function
 	char SessionName[MAX_SESSION_NAME_LEN + 1];	// Session name
diff --git a/src/Cedar/Command.c b/src/Cedar/Command.c
index 23dc9481..78dbf300 100644
--- a/src/Cedar/Command.c
+++ b/src/Cedar/Command.c
@@ -15155,6 +15155,12 @@ void CmdPrintStatusToListViewEx(CT *ct, RPC_CLIENT_GET_CONNECTION_STATUS *s, boo
 			CtInsert(ct, _UU("CM_ST_UNDERLAY_PROTOCOL"), tmp);
 		}
 
+		if (IsEmptyStr(s->ProtocolDetails) == false)
+		{
+			StrToUni(tmp, sizeof(tmp), s->ProtocolDetails);
+			CtInsert(ct, _UU("CM_ST_PROTOCOL_DETAILS"), tmp);
+		}
+
 		CtInsert(ct, _UU("CM_ST_UDP_ACCEL_ENABLED"), (s->IsUdpAccelerationEnabled ? _UU("CM_ST_YES") : _UU("CM_ST_NO")));
 		CtInsert(ct, _UU("CM_ST_UDP_ACCEL_USING"), (s->IsUsingUdpAcceleration ? _UU("CM_ST_YES") : _UU("CM_ST_NO")));
 
diff --git a/src/Cedar/Protocol.c b/src/Cedar/Protocol.c
index b1498441..45a0b064 100644
--- a/src/Cedar/Protocol.c
+++ b/src/Cedar/Protocol.c
@@ -1479,8 +1479,8 @@ bool ServerAccept(CONNECTION *c)
 				{
 					if (IsEmptyStr(c->InProcPrefix) == false)
 					{
-						Format(c->FirstSock->UnderlayProtocol, sizeof(c->FirstSock->UnderlayProtocol),
-							SOCK_UNDERLAY_INPROC_EX, c->InProcPrefix);
+						Format(c->FirstSock->UnderlayProtocol, sizeof(c->FirstSock->UnderlayProtocol), SOCK_UNDERLAY_INPROC_EX, c->InProcPrefix);
+						AddProtocolDetailsStr(c->FirstSock->UnderlayProtocol, sizeof(c->FirstSock->UnderlayProtocol), c->InProcPrefix);
 					}
 				}
 
@@ -2807,7 +2807,8 @@ bool ServerAccept(CONNECTION *c)
 				// R-UDP session
 				s->IsRUDPSession = true;
 				s->RUdpMss = c->FirstSock->RUDP_OptimizedMss;
-				Debug("Optimized MSS Value for R-UDP: %u\n", s->RUdpMss);
+				Debug("ServerAccept(): Optimized MSS Value for R-UDP: %u\n", s->RUdpMss);
+				AddProtocolDetailsKeyValueInt(s->ProtocolDetails, sizeof(s->ProtocolDetails), "RUDP_MSS", s->RUdpMss);
 			}
 
 			if (enable_bulk_on_rudp)
@@ -2821,6 +2822,8 @@ bool ServerAccept(CONNECTION *c)
 
 			StrCpy(s->UnderlayProtocol, sizeof(s->UnderlayProtocol), c->FirstSock->UnderlayProtocol);
 
+			AddProtocolDetailsStr(s->ProtocolDetails, sizeof(s->ProtocolDetails), c->FirstSock->ProtocolDetails);
+
 			if (server != NULL)
 			{
 				s->NoSendSignature = server->NoSendSignature;
@@ -2912,6 +2915,7 @@ bool ServerAccept(CONNECTION *c)
 			if (s->AdjustMss != 0)
 			{
 				Debug("AdjustMSS: %u\n", s->AdjustMss);
+				AddProtocolDetailsKeyValueInt(s->ProtocolDetails, sizeof(s->ProtocolDetails), "AdjustMSS", s->AdjustMss);
 			}
 
 			s->IsBridgeMode = (policy->NoBridge == false) || (policy->NoRouting == false);
@@ -2957,8 +2961,7 @@ bool ServerAccept(CONNECTION *c)
 			{
 				char ip[128];
 				IPToStr(ip, sizeof(ip), &c->FirstSock->RemoteIP);
-				HLog(hub, "LH_NEW_SESSION", c->Name, s->Name, ip, c->FirstSock->RemotePort,
-					c->FirstSock->UnderlayProtocol);
+				HLog(hub, "LH_NEW_SESSION", c->Name, s->Name, ip, c->FirstSock->RemotePort, c->FirstSock->UnderlayProtocol, c->FirstSock->ProtocolDetails);
 			}
 
 			c->Session = s;
@@ -4704,9 +4707,13 @@ REDIRECTED:
 		// Physical communication protocol
 		StrCpy(c->Session->UnderlayProtocol, sizeof(c->Session->UnderlayProtocol), s->UnderlayProtocol);
 
+		AddProtocolDetailsStr(c->Session->ProtocolDetails, sizeof(c->Session->ProtocolDetails), s->ProtocolDetails);
+
 		if (c->Session->IsAzureSession)
 		{
 			StrCpy(c->Session->UnderlayProtocol, sizeof(c->Session->UnderlayProtocol), SOCK_UNDERLAY_AZURE);
+
+			AddProtocolDetailsStr(c->Session->ProtocolDetails, sizeof(c->Session->ProtocolDetails), "VPN Azure");
 		}
 
 		if (c->Protocol == CONNECTION_UDP)
diff --git a/src/Cedar/Session.h b/src/Cedar/Session.h
index 2c980248..934b3739 100644
--- a/src/Cedar/Session.h
+++ b/src/Cedar/Session.h
@@ -157,6 +157,7 @@ struct SESSION
 	UINT NumDisconnected;			// Number of socket disconnection
 	bool NoReconnectToSession;		// Disable to reconnect to the session
 	char UnderlayProtocol[64];		// Physical communication protocol
+	char ProtocolDetails[256];		// Protocol details
 	/* !!! Do not correct the spelling to keep the backward protocol compatibility !!!  */
 	UINT64 FirstConnectionEstablisiedTime;	// Connection completion time of the first connection
 	UINT64 CurrentConnectionEstablishTime;	// Completion time of this connection
diff --git a/src/Mayaqua/Network.c b/src/Mayaqua/Network.c
index ce9cf798..7c91fbe1 100644
--- a/src/Mayaqua/Network.c
+++ b/src/Mayaqua/Network.c
@@ -2528,14 +2528,17 @@ SOCK *AcceptRUDP(SOCK *s)
 			{
 			case RUDP_PROTOCOL_UDP:
 				StrCpy(ret->UnderlayProtocol, sizeof(ret->UnderlayProtocol), SOCK_UNDERLAY_NAT_T);
+				AddProtocolDetailsStr(ret->ProtocolDetails, sizeof(ret->ProtocolDetails), "RUDP/UDP");
 				break;
 
 			case RUDP_PROTOCOL_DNS:
 				StrCpy(ret->UnderlayProtocol, sizeof(ret->UnderlayProtocol), SOCK_UNDERLAY_DNS);
+				AddProtocolDetailsStr(ret->ProtocolDetails, sizeof(ret->ProtocolDetails), "RUDP/DNS");
 				break;
 
 			case RUDP_PROTOCOL_ICMP:
 				StrCpy(ret->UnderlayProtocol, sizeof(ret->UnderlayProtocol), SOCK_UNDERLAY_ICMP);
+				AddProtocolDetailsStr(ret->ProtocolDetails, sizeof(ret->ProtocolDetails), "RUDP/ICMP");
 				break;
 			}
 
@@ -12759,6 +12762,8 @@ SOCK *Accept(SOCK *sock)
 
 	StrCpy(ret->UnderlayProtocol, sizeof(ret->UnderlayProtocol), SOCK_UNDERLAY_NATIVE_V4);
 
+	AddProtocolDetailsStr(ret->ProtocolDetails, sizeof(ret->ProtocolDetails), "IPv4");
+
 	return ret;
 }
 
@@ -12869,6 +12874,8 @@ SOCK *Accept6(SOCK *sock)
 
 	StrCpy(ret->UnderlayProtocol, sizeof(ret->UnderlayProtocol), SOCK_UNDERLAY_NATIVE_V6);
 
+	AddProtocolDetailsStr(ret->ProtocolDetails, sizeof(ret->ProtocolDetails), "IPv6");
+
 	return ret;
 }
 
@@ -14070,6 +14077,7 @@ SOCK *ConnectEx4(char *hostname, UINT port, UINT timeout, bool *cancel_flag, cha
 			if (nat_t_sock != NULL)
 			{
 				StrCpy(nat_t_sock->UnderlayProtocol, sizeof(nat_t_sock->UnderlayProtocol), SOCK_UNDERLAY_NAT_T);
+				AddProtocolDetailsStr(nat_t_sock->ProtocolDetails, sizeof(nat_t_sock->ProtocolDetails), "RUDP");
 			}
 
 			Copy(ret_ip, &ip4, sizeof(IP));
@@ -14294,8 +14302,8 @@ SOCK *ConnectEx4(char *hostname, UINT port, UINT timeout, bool *cancel_flag, cha
 				Disconnect(p4.Result_Nat_T_Sock);
 				ReleaseSock(p4.Result_Nat_T_Sock);
 
-				StrCpy(p2.Result_Nat_T_Sock->UnderlayProtocol, sizeof(p2.Result_Nat_T_Sock->UnderlayProtocol),
-					SOCK_UNDERLAY_NAT_T);
+				StrCpy(p2.Result_Nat_T_Sock->UnderlayProtocol, sizeof(p2.Result_Nat_T_Sock->UnderlayProtocol), SOCK_UNDERLAY_NAT_T);
+				AddProtocolDetailsStr(p2.Result_Nat_T_Sock->UnderlayProtocol, sizeof(p2.Result_Nat_T_Sock->UnderlayProtocol), "RUDP/UDP");
 
 				Copy(ret_ip, &ip4, sizeof(IP));
 
@@ -14308,8 +14316,8 @@ SOCK *ConnectEx4(char *hostname, UINT port, UINT timeout, bool *cancel_flag, cha
 				Disconnect(p3.Result_Nat_T_Sock);
 				ReleaseSock(p3.Result_Nat_T_Sock);
 
-				StrCpy(p4.Result_Nat_T_Sock->UnderlayProtocol, sizeof(p4.Result_Nat_T_Sock->UnderlayProtocol),
-					SOCK_UNDERLAY_DNS);
+				StrCpy(p4.Result_Nat_T_Sock->UnderlayProtocol, sizeof(p4.Result_Nat_T_Sock->UnderlayProtocol), SOCK_UNDERLAY_DNS);
+				AddProtocolDetailsStr(p4.Result_Nat_T_Sock->UnderlayProtocol, sizeof(p4.Result_Nat_T_Sock->UnderlayProtocol), "RUDP/DNS");
 
 				Copy(ret_ip, &ip4, sizeof(IP));
 
@@ -14318,8 +14326,8 @@ SOCK *ConnectEx4(char *hostname, UINT port, UINT timeout, bool *cancel_flag, cha
 			else if (p3.Ok)
 			{
 				// Use this if over ICMP success
-				StrCpy(p3.Result_Nat_T_Sock->UnderlayProtocol, sizeof(p3.Result_Nat_T_Sock->UnderlayProtocol),
-					SOCK_UNDERLAY_ICMP);
+				StrCpy(p3.Result_Nat_T_Sock->UnderlayProtocol, sizeof(p3.Result_Nat_T_Sock->UnderlayProtocol), SOCK_UNDERLAY_ICMP);
+				AddProtocolDetailsStr(p3.Result_Nat_T_Sock->UnderlayProtocol, sizeof(p3.Result_Nat_T_Sock->UnderlayProtocol), "RUDP/ICMP");
 
 				Copy(ret_ip, &ip4, sizeof(IP));
 
@@ -14383,8 +14391,8 @@ SOCK *ConnectEx4(char *hostname, UINT port, UINT timeout, bool *cancel_flag, cha
 	sock->Type = SOCK_TCP;
 	sock->ServerMode = false;
 
-	StrCpy(sock->UnderlayProtocol, sizeof(sock->UnderlayProtocol),
-		(is_ipv6 ? SOCK_UNDERLAY_NATIVE_V6 : SOCK_UNDERLAY_NATIVE_V4));
+	StrCpy(sock->UnderlayProtocol, sizeof(sock->UnderlayProtocol), is_ipv6 ? SOCK_UNDERLAY_NATIVE_V6 : SOCK_UNDERLAY_NATIVE_V4);
+	AddProtocolDetailsStr(sock->ProtocolDetails, sizeof(sock->ProtocolDetails), is_ipv6 ? "IPv6" : "IPv4");
 
 	// Host name resolution
 	if (no_get_hostname || (GetHostName(tmp, sizeof(tmp), &current_ip) == false))
@@ -14434,6 +14442,59 @@ SOCK *ConnectEx4(char *hostname, UINT port, UINT timeout, bool *cancel_flag, cha
 	return sock;
 }
 
+// Add a protocol details strings
+void AddProtocolDetailsStr(char *dst, UINT dst_size, char *str)
+{
+	TOKEN_LIST *t1, *t2;
+	UINT i, j;
+	if (dst == NULL || str == NULL)
+	{
+		return;
+	}
+
+	t1 = ParseTokenWithoutNullStr(dst, " ");
+	t2 = ParseTokenWithoutNullStr(str, " ");
+
+	for (i = 0;i < t2->NumTokens;i++)
+	{
+		bool exists = false;
+		for (j = 0;j < t1->NumTokens;j++)
+		{
+			if (StrCmpi(t1->Token[j], t2->Token[i]) == 0)
+			{
+				exists = true;
+				break;
+			}
+		}
+
+		if (exists == false)
+		{
+			StrCat(dst, dst_size, t2->Token[i]);
+			StrCat(dst, dst_size, " ");
+		}
+	}
+
+	FreeToken(t1);
+	FreeToken(t2);
+}
+
+void AddProtocolDetailsKeyValueStr(char *dst, UINT dst_size, char *key, char *value)
+{
+	char tmp[128];
+	StrCpy(tmp, sizeof(tmp), key);
+	StrCat(tmp, sizeof(tmp), "=");
+	StrCat(tmp, sizeof(tmp), value);
+	AddProtocolDetailsStr(dst, dst_size, tmp);
+}
+
+void AddProtocolDetailsKeyValueInt(char *dst, UINT dst_size, char *key, UINT value)
+{
+	char tmp[128];
+	ToStr(tmp, value);
+	AddProtocolDetailsKeyValueStr(dst, dst_size, key, tmp);
+}
+
+
 // Setting the buffer size of the socket
 bool SetSocketBufferSize(SOCKET s, bool send, UINT size)
 {
@@ -19445,6 +19506,8 @@ SOCK *AcceptReverse(SOCK *s)
 		{
 			StrCpy(ret->UnderlayProtocol, sizeof(ret->UnderlayProtocol), SOCK_UNDERLAY_AZURE);
 
+			AddProtocolDetailsStr(ret->ProtocolDetails, sizeof(ret->ProtocolDetails), "VPN Azure");
+
 			return ret;
 		}
 
@@ -19493,6 +19556,8 @@ SOCK *AcceptInProc(SOCK *s)
 		{
 			StrCpy(ret->UnderlayProtocol, sizeof(ret->UnderlayProtocol), SOCK_UNDERLAY_INPROC);
 
+			AddProtocolDetailsStr(ret->ProtocolDetails, sizeof(ret->ProtocolDetails), "InProc");
+
 			return ret;
 		}
 
diff --git a/src/Mayaqua/Network.h b/src/Mayaqua/Network.h
index 06dbc6fd..fcf923b0 100644
--- a/src/Mayaqua/Network.h
+++ b/src/Mayaqua/Network.h
@@ -209,6 +209,7 @@ struct SOCK
 	UINT CurrentTtl;			// Current TTL value
 	RUDP_STACK *R_UDP_Stack;	// R-UDP stack
 	char UnderlayProtocol[64];	// Underlying protocol
+	char ProtocolDetails[256];	// Protocol details
 	QUEUE *ReverseAcceptQueue;	// Accept queue for the reverse socket
 	EVENT *ReverseAcceptEvent;	// Accept event for the reverse socket
 	bool IsReverseAcceptedSocket;	// Whether it is a reverse socket
@@ -1238,6 +1239,9 @@ void RouteToStr(char *str, UINT str_size, ROUTE_ENTRY *e);
 void DebugPrintRoute(ROUTE_ENTRY *e);
 void DebugPrintRouteTable(ROUTE_TABLE *r);
 bool IsIPv6LocalNetworkAddress(IP *ip);
+void AddProtocolDetailsStr(char *dst, UINT dst_size, char *str);
+void AddProtocolDetailsKeyValueStr(char *dst, UINT dst_size, char *key, char *value);
+void AddProtocolDetailsKeyValueInt(char *dst, UINT dst_size, char *key, UINT value);
 
 #ifdef	ENABLE_SSL_LOGGING
 void SockEnableSslLogging(SOCK *s);