- Nov 6, 2016
https://blog.nightly.mozilla.org/2018/06/01/improving-dns-privacy-in-firefoxWith their next patch Mozilla will introduce two new features to their Firefox browser they call "DNS over HTTPs" (DoH) and Trusted Recursive Resolver (TRR). In this article we want to talk especially about the TRR. They advertise it as an additional feature which enables security. We think quite the opposite: we think it's dangerous, and here's why.
Change network.trr.mode to 2 to enable DoH.
........ (Use mode 5 to disable DoH under all circumstances.)