--- libaitrpc/src/srv.c	2012/05/17 15:14:16	1.9.2.23
+++ libaitrpc/src/srv.c	2012/05/17 15:18:48	1.9.2.24
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: srv.c,v 1.9.2.23 2012/05/17 15:14:16 misho Exp $
+* $Id: srv.c,v 1.9.2.24 2012/05/17 15:18:48 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -675,7 +675,7 @@ rpc_srv_loopBLOBServer(rpc_srv_t * __restrict srv)
  * @regProgID = ProgramID for authentication & recognition
  * @regProcID = ProcessID for authentication & recognition
  * @concurentClients = Concurent clients at same time to this server
- * @netBuf = Network buffer length, if =0 == BUFSIZ (also meaning max RPC packet)
+ * @netBuf = Network buffer length (min:512 bytes), if =0 == BUFSIZ (also meaning max RPC packet)
  * @csHost = Host name or address for bind server, if NULL any address
  * @Port = Port for bind server, if Port == 0 default port is selected
  * return: NULL == error or !=NULL bind and created RPC server instance
@@ -696,7 +696,7 @@ rpc_srv_initServer(u_int regProgID, u_char regProcID, 
 		return NULL;
 	if (!Port)
 		Port = RPC_DEFPORT;
-	if (!netBuf)
+	if (netBuf < RPC_MIN_BUFSIZ)
 		netBuf = BUFSIZ;
 	else
 		netBuf = io_align(netBuf, 1);	/* align netBuf length */