Fyrewall is a full featured firewall system based on FreeBSD. It comes with an easy installation interface. Fyrewall includes features such as full control via a Web interface, an aliasing system for easing management of firewall rules, failover clustering support via CARP, load balancing, integrated VPN support for many popular protocols, traffic and system statistics reporting, and the packaging system.
A facility for macro and variable handling, and file inclusion in XML files.