Restrictions with squid guard in pfsense
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People used to bypass proxy with freevpn, proxybypass adons in browsers. How can I avoid those with pfsense. Do I have to use a firewall to apply these restrictions.
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Port-blocking via the firewall can do that but, depending on the service, you may end up playing whack-a-mole. Depending on how tight a network you want to run, you could block everything outgoing except approved ports, and even that's not perfect.
