Introduction Sometimes, you just need to build a proxy farm with the following needs: you need high-availability, because of your SLA. you need load balancing, because you're serving numerous Kusers. you need caching with Squid. you need extra-services over Squid (URL filtering with DansGuardian/SquidGuard, Antivirus softwares, ...) you need scalability because you want to be able to grow. In thes