Reply To: firewall problems and workarounds – Homepage › Clovertech Forums › Read Only Archives › Cloverleaf › Cloverleaf › firewall problems and workarounds – › Reply To: firewall problems and workarounds – October 26, 2005 at 12:39 am #57651 Dennis PfeiferParticipant on Linux .. value is in seconds cat /proc/sys/net/ipv4/tcp_keepalive_time to change to 15 minues echo 900 > /proc/sys/net/ipv4/tcp_keepalive_time This is not perm ..