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I have no idea. The most likely is a firewall (internal to Windows or external in the network infrastructure you are using. You said the server is listenig on port 336. OK, but is it on the correct interface ? Try with another port, try with another client (for example command line windows own telnet). -- francois.pie...@overbyte.be The author of the freeware multi-tier middleware MidWare The author of the freeware Internet Component Suite (ICS) http://www.overbyte.be From: Mike Gibbard Sent: Thursday, November 03, 2011 6:39 PM To: twsocket@elists.org Subject: TcpSrv and CliDemo - Connection Problems Hi, I've been running the TcpSrv and CliDemo demo code very successfully on my local network. I've set the TcpSrv exe to listen on port 336 and, when I point the CliDemo exe to localhost on port 336 the connection is established. If I move TcpSrv to another machine (on the same network), I point the CliDemo to that machine's IP address on port 336 and the connection is established. Great! However, when I move the TcpSrv exe to my remote server, the CliDemo exe times out and fails to connect. The Server exe is listening on port 336 and I've confirmed this with netstat. There's no firewall running on the remote server (Windows 2003) and I've disabled the firewall on the machine on which I'm running the CliDemo exe. Therefore, as far as I can see, there's nothing blocking outgoing connections on the client machine, nothing to block incoming connections on the server and the server exe is listening on port 336 on the server machine. I can ping the server machine As networking is not my area of expertise, can anyone suggest any reason(s) why I cannot connect? Do I have to set any particular type of permission on the server? Is there something I have to do with my router? I'd be very grateful to anyone who might be able to help. many thanks, Mike -- To unsubscribe or change your settings for TWSocket mailing list please goto http://lists.elists.org/cgi-bin/mailman/listinfo/twsocket Visit our website at http://www.overbyte.be
