FreeBSD 11 (pfSense 2.4)
It is easier to use fully configured web filtering virtual appliance for VMware vSphere/ESXi from our site.
The following steps show how to install Squid proxy capable of HTTPS filtering and SSL inspection in FreeBSD 11. If you need to run Web Safety on pfSense 2.4 take a look at tutorial Filtering HTTPS with Squid on pfSense 2.4.
Support for FreeBSD 11 operating system is experimental only and it is not generally recommended for mission critical production environments. Please use this system in non critical deployments, labs and experiments only. For mission critical production deployments it is recommended to use Ubuntu 16 LTS x86_64.