CacheGuard is an OS/Appliance dedicated to Web traffic Security and QoS.
EditByBSEditor: CacheGuard is an OS/Appliance dedicated to Web traffic Security and QoS. It transforms a x86-based machine into a powerful Web Gateway Appliance. It allows you to protect Web surfers and Web servers by acting as a network filter. Also all Web traffics crossing the CacheGuard Appliance are optimized to save your bandwidth and distribute 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 Command Injection. It integrates a caching DNS, a DHCP server, a bandwidth Shaper to manage the QoS, a load sharing system, and an HA (high availability) mode with VRRP and Link bonding.

Technical Features:

* Light-Weight Administration
* Scalability & Load Balancing
* Caching and HTTP Compression
* Bandwidth Shaping & Scheduling
* Firewall, NAT & PAT
* SSL Terminator
* Integrated DHCP Server
* Integrated cache-only DNS
* Redundancy & High Availability
* Load Sharing
* HTTP Transparent Implementation
* URL Balck & White Lists
* LDAP Authentication you can free download CacheGuard Appliance 5.6.1 now.