CacheGuard is an All-in-One Web Security Gateway providing firewall, web antivirus, caching, web compression, URL filtering, forward/reverse proxy, web load balancing, WAF, antivirus, bandwidth shaping and more.
The High Availability function is the the heart of CacheGuard using RAID, link bounding, VRRP, cache sharing. An SNMP agent is integrated into the appliance and the appliance can send traps if something goes wrong.
CacheGuard is available as an OS appliance to install on a hardware or virtual machine of your choice. You can implement it transparently in any existing architecture as your main central point where all the Web traffic passes through.
CacheGuard is based on a hardened Linux system built from scratch (with LFS) and integrates netfilter and iproute2, squid, squidGuard, apache, modSecurity, clamAV and multiple other open source products interfaced together as a whole to allow an easy and straightforward configuration using the CLI or the Web GUI.