Is there a way to configure the /proc/sys/net/ipv4/tcp_keepalive_time variable, but on a per-connection basis instead of system-wide? There seems to be a TCP_KEEPALIVE option in POSIX, but I can't find a #define for TCP_KEEPALIVE in /usr/include. Does Linux support this? Linux lina.aaanime.net 2.4.20-18.7 #1 Thu May 29 08:32:50 EDT 2003 i686 unknown - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html