Serve as a reverse proxy to protect your web services from attacks
OWASP Coraza WAF is a golang modsecurity compatible firewall library
Firewall log analyzer
Next Generation Open Source Firewall
Free UTM appliance: firewall, VPN, WAF and antivirus in one ISO.
Network Security Appliance Linux Distribution
Anti Spam SMTP Gateway
Web application firewall in C language uses libevent
Small Content Filtering And Web Acceleration Appliance
OWASP ModSecurity Core Rule Set (CRS) Project
Powerfull Web Application Firewall for PHP
Prevent and Protect Your HTML5 Video, Music , Audio From Download Free
Webinterface to (un)ban IPs in Fail2Ban
Open source voucher management / hotspot system
Linux firewall distribution geared towards home and SOHO users.
Ferramenta Web para Administração de Firewall
IOSec Addons are enhancements for web security and crawler detection
A simple captive portal
Easy to use firewall for linux beginners.
Detect Flooder IPs, Reduce Attack Surface against HTTP Flood Attacks