OWASP Coraza WAF is a golang modsecurity compatible firewall library
Anti Spam SMTP Gateway
IPFIRE Firewall for ARM architecture (OrangePi)
Program to block League of Legends contacts.
OWASP ModSecurity Core Rule Set (CRS) Project
Prevent and Protect Your HTML5 Video, Music , Audio From Download Free
PeerGuardian - a privacy oriented firewall application
Nginx and Lua Based Easy to setup Web Application Firewall
Easy to use firewall for linux beginners.
Detect Flooder IPs, Reduce Attack Surface against HTTP Flood Attacks
OpenBSD IPsec based VPN