The best firewall is a hardware firewall that is completely separate from your operating system. It need not be a dedicated router, could be an old pentium box running Linux. Below I have found some sites that have How To's on setting up an outside hardware router using an old computer and using a little linux program that fits on a single floppy disk. Brief Description: floppyfw is a router with the advanced firewall-capabilities in Linux that fits on one single floppy disc. Features: Access lists, IP-masquerading (Network Address Translation), connection tracked packet filtering and (quite) advanced routing. Package for traffic shaping is also available. Requires only a 386sx or better with two network interface cards, a 1.44MB floppy drive and 12MByte of RAM ( for less than 12M and no FPU, use the 1.0 series, which will stay maintained. ) Very simple packaging system. Is used for editors, PPP, VPN, traffic shaping and whatever comes up. (now this is looking even more like LRP (m...