CacheGuard Gateway is a UTM, a WAF, and a QoS management appliance.
OWASP ModSecurity Core Rule Set (CRS) Project
Prevent and Protect Your HTML5 Video, Music , Audio From Download Free
Powerfull Web Application Firewall for PHP
IOSec Addons are enhancements for web security and crawler detection
Detect Flooder IPs, Reduce Attack Surface against HTTP Flood Attacks