Statefull Firewalling with IPTABLES
coming soon...
Links:
The Netfilter Project
Linux 2.4 Packet Filtering HOWTO
Linux 2.4 NAT HOWTO
Jay Beale: Using Linux 2.4 Firewalling - Building a Firewall with Netfilter
Jay Beale: Linux Gets Stateful Firewalling
Dave Wreski: Linux Kernel 2.4 Firewalling Matures: netfilter
Linux 2.4 Advanced Routing HOWTO
