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

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Motivio
Motivio Posts: 21 image  Freshman Member
Friend Collector First Anniversary
in Security
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

Accepted Solution

  • PeterUK
    PeterUK Posts: 4,272 image  Guru Member
    250 Answers 2500 Comments Friend Collector Eighth Anniversary
    edited April 2022 Answer ✓

    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


All Replies

  • Zyxel_Jeff
    Zyxel_Jeff Posts: 1,350 image  Zyxel Employee
    100 Answers 500 Comments Friend Collector Fifth Anniversary
    edited April 2022

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

    image.png
  • Motivio
    Motivio Posts: 21 image  Freshman Member
    Friend Collector First Anniversary
    Zyxel_Jeff said:

    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
    PeterUK Posts: 4,272 image  Guru Member
    250 Answers 2500 Comments Friend Collector Eighth Anniversary
    edited April 2022 Answer ✓

    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


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