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submitted 11 months ago* (last edited 11 months ago) by [email protected] to c/[email protected]

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"Concerns over DNS Blocking" by Vinton Cerf

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[–] [email protected] 4 points 11 months ago (7 children)

It’s trivial for me to detect and block dns over https with modern firewalls.

[–] [email protected] 5 points 11 months ago (6 children)

How? I don't see what could find dns-over-https in the middle of other https traffic?

[–] [email protected] 1 points 11 months ago (1 children)

Port number is pretty indicative of DNS traffic, if we're talking IPv4.

[–] [email protected] 3 points 11 months ago

DNS over HTTPS just uses port 443 like any other traffic.

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