diff -Naur Firebird-2.0.3.12981-0_orig/src/remote/protocol.cpp Firebird-2.0.3.12981-0/src/remote/protocol.cpp
--- Firebird-2.0.3.12981-0_orig/src/remote/protocol.cpp	2007-11-05 21:07:50.000000000 -0500
+++ Firebird-2.0.3.12981-0/src/remote/protocol.cpp	2008-02-17 19:39:16.000000000 -0500
@@ -1347,7 +1347,7 @@
 
 	rem_port* port = (rem_port*) xdrs->x_public;
 
-	if (request_id >= port->port_object_vector->vec_count)
+	if (!port->port_objects || request_id >= port->port_object_vector->vec_count)
 		return FALSE;
 
 	rrq* request = (rrq*) port->port_objects[request_id];
@@ -1644,7 +1644,7 @@
 	rem_port* port = (rem_port*) xdrs->x_public;
 	RSR statement;
 	if (statement_id >= 0) {
-		if (statement_id >= port->port_object_vector->vec_count)
+		if (!port->port_objects || statement_id >= port->port_object_vector->vec_count)
 			return FALSE;
 		if (!(statement = (RSR) port->port_objects[statement_id]))
 			return FALSE;
@@ -1736,7 +1736,7 @@
 
 	rem_port* port = (rem_port*) xdrs->x_public;
 	if (statement_id >= 0) {
-		if (statement_id >= port->port_object_vector->vec_count)
+		if (!port->port_objects || statement_id >= port->port_object_vector->vec_count)
 			return FALSE;
 		statement = (RSR) port->port_objects[statement_id];
 	}
diff -Naur Firebird-2.0.3.12981-0_orig/src/remote/server.cpp Firebird-2.0.3.12981-0/src/remote/server.cpp
--- Firebird-2.0.3.12981-0_orig/src/remote/server.cpp	2007-11-05 21:07:50.000000000 -0500
+++ Firebird-2.0.3.12981-0/src/remote/server.cpp	2008-02-17 19:39:31.000000000 -0500
@@ -74,7 +74,8 @@
 
 #define CHECK_HANDLE(blk, cast, type, id, err)							\
 	{																\
-		if (id >= port->port_object_vector->vec_count ||			\
+		if (!port->port_objects ||									\
+			id >= port->port_object_vector->vec_count ||			\
 			!(blk = (cast) port->port_objects [id]) ||				\
 			((BLK) blk)->blk_type != (UCHAR) type)					\
 		{															\
@@ -87,7 +88,8 @@
 
 #define CHECK_HANDLE_MEMBER(blk, cast, type, id, err)					\
 	{																\
-		if (id >= this->port_object_vector->vec_count ||			\
+		if (!this->port_objects ||									\
+			id >= this->port_object_vector->vec_count ||			\
 			!(blk = (cast) this->port_objects [id]) ||				\
 			((BLK) blk)->blk_type != (UCHAR) type)					\
 		{															\
@@ -1011,6 +1013,12 @@
 	port->port_status_vector = status_vector;
 	success(status_vector);
 
+	// This buffer is used by INET and WNET transports
+	// to return the server identification string
+	UCHAR buffer[BUFFER_TINY];
+	const CSTRING save_string = send->p_resp.p_resp_data;
+	send->p_resp.p_resp_data.cstr_address = buffer;
+
 	rem_port* aux_port = port->request(send);
 	RDB rdb = port->port_context;
 	if (bad_db(status_vector, rdb))
@@ -1026,6 +1034,7 @@
 		/* restore the port status vector */
 
 		port->port_status_vector = save_status;
+		send->p_resp.p_resp_data = save_string;
 		return;
 	}
 
@@ -1037,6 +1046,7 @@
 /* restore the port status vector */
 
 	port->port_status_vector = save_status;
+	send->p_resp.p_resp_data = save_string;
 }
 
 
@@ -1448,6 +1458,8 @@
 	printf("disconnect(server)        free rdb         %x\n", rdb);
 #endif
 	this->port_context = NULL;
+	if (this->port_async)
+		this->port_async->port_context = NULL;
 	ALLR_release(rdb);
 	if (this->port_object_vector)
 	{