Simple tool to configure Windows Filtering Platform (WFP)
CacheGuard Gateway is a UTM, a WAF, and a QoS management appliance.
HTTP proxy to block ads and customize webpages
Firewall log analyzer
Next Generation Open Source Firewall
Anti Spam SMTP Gateway
Robust and flexible VPN network tunnelling
Web application firewall in C language uses libevent
A powerful network security tool, easy, safe and totally free.
PeerGuardian - a privacy oriented firewall application
Network Firewall Linux Kernel Module with Conflict Resolution Engine
Linux firewall distribution geared towards home and SOHO users.
A MAC address based user authentication system for campus-wide network
a secure, open source OS for use inside USEagency facilities