CacheGuard Appliance - Version 5.6.0 CacheGuard is an OS/Appliance dedicated to Web traffic Security and QoS. It transforms a x86-based machine into a powerful Web Gateway Appliance. IIt allows you to protect Web surfers and Web servers against all threats coming from the Web. Also it optimizes Web traffics to save your network bandwidth and distributes Web contents with a high Quality of Service. It supports HTTP transparent implementation, HTTP compression, Web caching, URL guarding, and Web server load balancing. It features a stateful firewall with NAT and PAT, and a content filtering module blocking malicious HTTP requests like XSS, SQL and Comman