SmoothWall is a Linux-based open source network and gateway security system. It provides security for businesses, schools, Internet service providers, and home users. It offers a range of features such as Intrusion Prevention, Web Content Filtering, Anti-Virus and Anti-Spam, Application Control, Bandwidth Management, and more. It can be installed on a dedicated hardware or virtual machine and is also available as a cloud-hosted solution. It is designed to be easy to use and manage, and provides a comprehensive set of security tools to protect organizations from malicious activities.
Discontinued The project seems to be no longer updated. The latest version, 2.1.9, released in February 2015, can still be downloaded from the official website.