This article is from a FAQ concerning SCO operating systems. While some of the information may be applicable to any OS, or any Unix or Linux OS, it may be specific to SCO Xenix, Open There is lots of Linux, Mac OS X and general Unix info elsewhere on this site: Search this site is the best way to find anything.
For some reason, OpenServer sets that to 30 minutes even while stating that the recommended setting is 4 minutes!
You can edit /etc/default/inet and change tcp_2msl to lower the time. Stop and restart tcp/ip or reboot.
But see Keep in touch (tcp keepalives etc.) for a more generic look at network timeouts.
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