Thought this petty bullshit had about run its coarse, since there are so many
worthy target beside chat rooms.
Your firewall should have the ability to not respond to icmp pings, enable it.
or get Shorewall decent cheapo firewall i have had no probs with,when i use it, they have a web site its opensource.
Build a cheapo pent 2 about 200mhz, get a hub, and ethereal capture software (and libs needed)
and a copy of windoz98. Hub the suse pc, the pc (with ereal) and cable routr/modem.
Run some captures save the, fine tune the and isolate his pc.
He is a kid who think he is safe, before caller I.D. hiz type was the one doing midnight pizza orders to your house, a loooser.
You attitude: Approach this as a mission, search and destroy..
Plus you will LEARN a bunch of stuff in the process; protocols, how to take 802.3 frames apart in the process.