"TKMsense" an easy to use secure OpenBSD based firewall distribution. TKMsense's main goal is to blend ease of use and security. While still being friendly to the beginner.
Full source code
https://sourceforge.net/projects/tkmsense/files/TKMsense_Source_Code/
TKMsense versions
1. ISO-this file is meant to be burned to a CD/DVD or to install into a hypervisor's vm
x86_64 bit...
GTCop Professional Security Appliance aims to provide a powerful tool for satellite communications, with enhanced QoS and bandwidth controls. As derived from IPCop Firewall, it is a stable, secure, easy to configure and maintain GNU/Linux firewall box.
Frankenwall is a bash shell script intended to create a highly secure IPTables based linux firewall/router with QOS/traffic shaping/bandwidth management. Be certain you know EXACTLY what your network needs before using Frankenwall. Wimps need not apply.