SmoothWall Express 3.0 SP1
SmoothWall Express – The World’s Favourite Network Firewall.
SmoothWall Express is a free firewall that includes its own security-hardened GNU/Linux operating system and an easy-to-use web interface.
Designed with home and small business users in mind, Express is based upon a security-hardened subset of the GNU/Linux operating system and is completely Free to use, download and distribute.
Download: SmoothWall Express 3.0 SP1