I am employed in a big company that has a LAN with internet connected to it. In my office i have 3 PCs connected to the same work group but different from other work groups. I would like to set up a firewall on my work group to avoid external access to my files. How can i do that? or is it possible to set up a password for my work group? All my PCs are running win xp2 professional. Help me out on this.1 person got this answerI do too