Simple tool to configure Windows Filtering Platform (WFP)
HTTP proxy to block ads and customize webpages
Intelligently block brute-force attacks by aggregating system logs
Next Generation Open Source Firewall
CacheGuard Gateway is a UTM, a WAF, and a QoS management appliance.
Anti Spam SMTP Gateway
Firewall log analyzer
Robust and flexible VPN network tunnelling
Web application firewall in C language uses libevent
A simple, portable port scanner
A powerful network security tool, easy, safe and totally free.
PeerGuardian - a privacy oriented firewall application
upnp port opener
Simulating an IP packet traversing the Linux kernel.
Network Firewall Linux Kernel Module with Conflict Resolution Engine