knetfilter
Knetfilter is a KDE application designed to manage the netfilter functionalities that will come with the new kernel 2.4.x.
Discover How To Secure My Firewall HOWTOs
Firing up Firewalls
This documentation discusses how to set up a Firewall for different distributions.
Remote-Office Firewalls
This documentation discusses supporting telecommuters remote small-office sites and how you can setup a firewall to protect the network from being very useful for obscuring a hacker's tracks on the way to his or her final destination.
