Yes--use OS X!
btw--there's only been 1 nasty 'virus' written for OS x so far, so even w/o a firewall or virus protection you are still pretty safe.
Anyway--see the Tip of the Day in LW for how to set the Panther's built-in setting for the gnutella port (Apple Menu->System Preferences->Sharing->Firewall->New; choose "Gnutella/Limewire (6346)". |