Linux firewall distribution geared towards home and SOHO users.
The IPCop Firewall is a Linux firewall distribution. It is geared towards home and SOHO users. The IPCop web-interface is very user-friendly and makes usage easy.
A great gateway for small or medium network company,with builtin firewall, mutil WANs supporting loadblancing and failover ,VPN , anti virus, anti spams, web proxy , ... Base on pfSense
Visual Firewall Monitor is a linux kernel module that monitor new connections coming in/out linux box then notify user of them. When user receive connection's informations, they will use an user-space interface to control the module to accept or drop it.
The TruongQuangDuocIDS (tqdids) is an IDS that works on multi-platform, from Solaris/SPARC to HP-UX/Alpha. This IDS has features like other IDSs (snort etc.) but it has a special feature inside the binary-pattern-matching algorithm that makes it faster.