USG 200 Felx, filter DNS over TLS (DoT) and DNS over HTTPS (DoH) ?

Motivio · April 2022

Hi, how can I filter DNS over TLS (DoT) and DNS over HTTPS (DoH) on the current USG 200 Flex?
I found this article, but it only talks about ATP.
https://community.zyxel.com/en/discussion/13220/2022-issue-10-why-browsers-can-be-a-security-loophole#latest

PeterUK · April 2022

If your wanting to block DNS over HTTPS here is the IP list

104.16.249.249

104.16.248.249

34.210.121.31

34.223.130.205

34.217.188.66

34.216.198.143

37.252.230.153

52.84.140.60

52.84.140.75

52.84.140.11

52.84.140.89

52.42.151.74

209.250.226.191

52.25.93.75

52.84.140.38

Zyxel_Jeff · April 2022

This feature will be supported in the next official firmware on the ATP models, but not including USG Flex models.

Motivio · April 2022

Zyxel_Jeff said:

Hi @Motivio

This feature will be supported in the next official firmware on the ATP models, but not including USG Flex models.

Any way to implement such a filter on the USG Flex models manualy?

PeterUK · April 2022