diff --git a/reactos/drivers/network/afd/afd/main.c b/reactos/drivers/network/afd/afd/main.c
index 1fd1ef1ed0f..1a0cd723fed 100644
--- a/reactos/drivers/network/afd/afd/main.c
+++ b/reactos/drivers/network/afd/afd/main.c
@@ -221,10 +221,6 @@ VOID DestroySocket( PAFD_FCB FCB ) {
 	ExFreePool( FCB->LocalAddress );
     if( FCB->RemoteAddress )
 	ExFreePool( FCB->RemoteAddress );
-    if( FCB->ListenIrp.ConnectionReturnInfo )
-	ExFreePool( FCB->ListenIrp.ConnectionReturnInfo );
-    if( FCB->ListenIrp.ConnectionCallInfo )
-	ExFreePool( FCB->ListenIrp.ConnectionCallInfo );
     if( FCB->TdiDeviceName.Buffer )
 	ExFreePool(FCB->TdiDeviceName.Buffer);
 
diff --git a/reactos/drivers/network/tcpip/datalink/lan.c b/reactos/drivers/network/tcpip/datalink/lan.c
index 49ab3ebae3e..aaf32dbf082 100644
--- a/reactos/drivers/network/tcpip/datalink/lan.c
+++ b/reactos/drivers/network/tcpip/datalink/lan.c
@@ -628,6 +628,11 @@ VOID LANTransmit(
 		("Called( NdisPacket %x, Offset %d, Adapter %x )\n",
 		 NdisPacket, Offset, Adapter));
 
+    if (Adapter->State != LAN_STATE_STARTED) {
+        ProtocolSendComplete(Context, NdisPacket, NDIS_STATUS_NOT_ACCEPTED);
+        return;
+    }
+
     TI_DbgPrint(DEBUG_DATALINK,
 		("Adapter Address [%02x %02x %02x %02x %02x %02x]\n",
 		 Adapter->HWAddress[0] & 0xff,
@@ -643,7 +648,6 @@ VOID LANTransmit(
 
     LanChainCompletion( Adapter, NdisPacket );
 
-    if (Adapter->State == LAN_STATE_STARTED) {
         switch (Adapter->Media) {
         case NdisMedium802_3:
             EHeader = (PETH_HEADER)Data;
@@ -713,9 +717,6 @@ VOID LANTransmit(
 	 * the situation with IRPs. */
         if (NdisStatus != NDIS_STATUS_PENDING)
             ProtocolSendComplete((NDIS_HANDLE)Context, NdisPacket, NdisStatus);
-    } else {
-        ProtocolSendComplete((NDIS_HANDLE)Context, NdisPacket, NDIS_STATUS_CLOSED);
-    }
 }
 
 static NTSTATUS
diff --git a/reactos/lib/drivers/ip/network/neighbor.c b/reactos/lib/drivers/ip/network/neighbor.c
index 3eee6265019..e9f13ffc41f 100644
--- a/reactos/lib/drivers/ip/network/neighbor.c
+++ b/reactos/lib/drivers/ip/network/neighbor.c
@@ -29,6 +29,9 @@ VOID NBSendPackets( PNEIGHBOR_CACHE_ENTRY NCE ) {
     PLIST_ENTRY PacketEntry;
     PNEIGHBOR_PACKET Packet;
 
+    if(!(NCE->State & NUD_CONNECTED))
+       return;
+
     /* Send any waiting packets */
     PacketEntry = ExInterlockedRemoveHeadList(&NCE->PacketQueue,
                                               &NCE->Table->Lock);
diff --git a/reactos/lib/drivers/ip/transport/tcp/accept.c b/reactos/lib/drivers/ip/transport/tcp/accept.c
index 447d39b6162..2132b17f6a1 100644
--- a/reactos/lib/drivers/ip/transport/tcp/accept.c
+++ b/reactos/lib/drivers/ip/transport/tcp/accept.c
@@ -87,13 +87,13 @@ NTSTATUS TCPListen( PCONNECTION_ENDPOINT Connection, UINT Backlog ) {
 
     TI_DbgPrint(DEBUG_TCP,("AddressToBind - %x:%x\n", AddressToBind.sin_addr, AddressToBind.sin_port));
 
-    OskitTCPBind( Connection->SocketContext,
-		  Connection,
-		  &AddressToBind,
-		  sizeof(AddressToBind) );
+    Status = TCPTranslateError( OskitTCPBind( Connection->SocketContext,
+		                Connection,
+		                &AddressToBind,
+		                sizeof(AddressToBind) ) );
 
-    Status = TCPTranslateError( OskitTCPListen( Connection->SocketContext,
-						Backlog ) );
+    if (NT_SUCCESS(Status))
+        Status = TCPTranslateError( OskitTCPListen( Connection->SocketContext, Backlog ) );
 
     TcpipRecursiveMutexLeave( &TCPLock );
 
diff --git a/reactos/lib/drivers/ip/transport/tcp/tcp.c b/reactos/lib/drivers/ip/transport/tcp/tcp.c
index 7dff2cc6a83..bdf7fd53a0a 100644
--- a/reactos/lib/drivers/ip/transport/tcp/tcp.c
+++ b/reactos/lib/drivers/ip/transport/tcp/tcp.c
@@ -577,21 +577,24 @@ NTSTATUS TCPConnect
     AddressToConnect.sin_family = AF_INET;
     AddressToBind = AddressToConnect;
 
-    OskitTCPBind( Connection->SocketContext,
+    Status = TCPTranslateError
+        ( OskitTCPBind( Connection->SocketContext,
 		  Connection,
 		  &AddressToBind,
-		  sizeof(AddressToBind) );
+		  sizeof(AddressToBind) ) );
 
-    memcpy( &AddressToConnect.sin_addr,
-	    &RemoteAddress.Address.IPv4Address,
-	    sizeof(AddressToConnect.sin_addr) );
-    AddressToConnect.sin_port = RemotePort;
+    if (NT_SUCCESS(Status)) {
+        memcpy( &AddressToConnect.sin_addr,
+	        &RemoteAddress.Address.IPv4Address,
+	        sizeof(AddressToConnect.sin_addr) );
+        AddressToConnect.sin_port = RemotePort;
 
-    Status = TCPTranslateError
-	( OskitTCPConnect( Connection->SocketContext,
-			   Connection,
-			   &AddressToConnect,
-			   sizeof(AddressToConnect) ) );
+        Status = TCPTranslateError
+	    ( OskitTCPConnect( Connection->SocketContext,
+		       	       Connection,
+			       &AddressToConnect,
+			       sizeof(AddressToConnect) ) );
+    }
 
     TcpipRecursiveMutexLeave( &TCPLock );