HTTPS protocol is used more and more in today’s web. While this may be good for privacy, it leaves modern network administrator without any means to prevent questionable or adult contents from entering his/her network. Previously it was assumed that this problem does not have a decent solution. Our how-to guide will try to prove otherwise.
This guide will tell you how to set up Squid on CentOS / RedHat Linux for transparent filtering of HTTP and HTTPS traffic with help of Diladele Web Safety ICAP server, which is a commercial solution for Linux, BSD and MacOS. The Linux installer of Diladele Web Safety used in this tutorial contains fully featured keys which remain valid for 3 month trial period, so you can test its full features during this trial period.