TCP connection (expiry?) with ICS

Svetlana Tkachenko <[email protected]>
Newsgroups gmane.comp.gnu.xboard.devel
Message-ID <1422179943.1385738.218475613.43C47C39@webmail.messagingengine.com> 
I leave xboard open and connected to Internet chess server (ICS). After a while, because of what I think is it not sending any data to server, the connection dies. Due to the way TCP/IP works, the fact that the connection died is only known to server in some 20-30 minutes.

Is there a way to make xboard do something -- such as, if my understanding above is correct, send some dummy messages to server every few minutes -- so that I don't encounter the above issue, and can leave xboard connected to an ICS for days?
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