I am looking for a firewall that will just work I have a hand built desk top and a hp laptop and a compaqe desktop (for the kids) in my network! I am sharing a dial up connection from the hand built desktop running xp pro i am running through a linksys wireless router the lap top and the compaq are wireless and the hand built desktop is run with a cable to the router! no firewall everything works fine but when i install a firewall one or the other between ics and file sharing quits? i have worked on it for a few days now and im starting to get frustrated I have tried zonealarm firewall nope and sygate firewall and nope and it all started with mcafee 2007 virus scan plus nope does anyone know a good firewall that will do what i want it to do that i can download for free? or may be some one could tell me how to enable file and printer sharing on sygate firewall??? that is the one im gonna run for now any suggestions?