Statefull

Easy to use firewall configuration script, featuring statefull connection tracking, bandwidth limiting and bandwidth logging. Platforms: *nix

Sphirewall is an authenticating, statefull, captive portal firewall platform for Linux. It is build from the kernel level and provides a full replacement for the iptables stack. Platforms: *nix

HardWall Firewall: Is an iptables script that does the following:- Port Forwarding, Packet Filtering, Statefull Packet Inspection, Port Redirection, Masqurade, SNAT, DNAT, NAT & Bridging - Functions as both a Workstation and IP Forwarding Firewall Platforms: *nix

High Level Firewall Language (hlfl) permits writing firewalling rules using a high level language. It translates your high level language firewalling rules into usable rules for IPChains, NetFilter, IPFilter, Cisco, and many others. Renaud Deraison, founder of the Nessus Project, initiated this... Platforms: *nix