break established/related internet NAT connection?
Hi, I have a specific problem, but it has brought up a more general question. I have a Debian box that I use as a router/NAT firewall for my LAN among other things. I use firestarter as the firewall package. I have written a script so that when I tell my son "it's time to get off of Runescape" (he's a junkie), I can push a button on a remote and a script runs on the firewall box. It includes that LAN PC in the "deny outbound connections from host" section, and restarts firestarter, which ends up adding an iptables rule that excludes future connections from the box. However, the Runescape internet connection, because it is already an established / related connection, does not get bumped off; only new connections are prevented. Is there a simple way to break existing connections from that box? I don't want to kill existing connections from any other LAN host.