"That's the reason for the popularity among network
administrators of hardware appliances such the Astaro’s
Security Gateway -- which we took a look at in a previous article
-- that integrate a number of applications under a single GUI and
provide an automated patching and updating system.
"But Astaro is certainly not the only game in town -- another
well known name in this market is SmoothWall Ltd, a UK based
company which maintains an open source firewall project also called
SmoothWall. This software has been evolving for the last eight
years, the current version being called SmoothWall Express 3.0"