If you're planning on installing NoCatNet's NoCatAuth/Gateway, please note that you will need to disable the standard RedHat/Fedora firewall rules first. It's the chain labelled: RH-Firewall-1-INPUT. Just do an iptables -F and that should flush the rules from the firewall table.

http://lists.nocat.net/pipermail/nocat/2004-March/004679.html

woohoo! Patient Wireless here we come! :)