> Linux can do this as well - that's how the DMZ on our network is > firewalled. I'd recommed inserting a DMZ box and using packet filtering > on each of the boxes individually. you should take a look at http://lug.irk.ru/misc/iptables-tutorial-1.0.6.html#AEN690 there is more info about a DMZ firewall we used it modified and it works great Good luck Martijn Knuiman