[ Thanks to anyweb for this link. ]
“Smoothwall is marketed as ‘a family of Internet Security
products, designed to defend your users and your network from
external attack.’ It is an open source firewall distribution based
on the GNU/Linux operating system and is free to download and
use.“I have been a Smoothwall User since version 1.0 hit the
shelves, however I only started using it in ernest (and
recommending it to others) once Smoothwall Express 2.0 was
released…”