Second the Linksys recommendation -- in this arena, hardware beats software, and (imho) having one of those five machines tied up running a software firewall is likely a waste. More notes on my experiences with Linux NAT, Sygate/BlackIce, and the Linksys appear at my site, http://handsonhowto.com/lan102.html -- Kevin "digger" Martin <evolt at brasscannon.net> "Where content is king."