Updated my article on:
Blocking #DoH with #OPNsense using FQDN domain lists.
Here's how it's done ⬇️
https://www.allthingstech.ch/blocking-doh-with-opnsense-using-fqdn-domain-lists
Blocking DoH with OPNsense using FQDN domain lists
Introduction This article is a slightly re-written version of the June 2022 version. It explains how DoH (DNS over https) can be blocked with OPNsense using FQDN (fully qualified domain name) lists which is an undocumented feature in OPNsense. Blocki...