Is DNS-over-HTTPS or -TLS possible with system configuration settings when a NEFilterDataProvider is running/activated?

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Created Aug ’23

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I'm trying to figure out how to enable DNS-over-HTTPS or -TLS on macOS 12 or later when a NEFilterDataProvider is activated.

From what I'm observing, this can not be done using a configuration profile as the DNS Settings will then appear as not running or disabled in the Network/Filters pref pane (using a MDM or not).

Correct me if I'm wrong but, from what I'm understanding in the last answer of this thread, Private Relay (Oblivious DoH?) would not work either.

[Q] Is it possible to configure DNS-over-HTTPS or -TLS at the system level when a NEFilterDataProvider is activated? If it is, how is it supposed to be done?

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Answer 1

Systems Engineer OP

Apple

Aug ’23

Is it possible to configure DNS-over-HTTPS or -TLS at the system level when a NEFilterDataProvider is activated? If it is, how is it supposed to be done?

On macOS NEDNSSettings and a NEFilterDataProvider are exclusive (r. 64940244). So that means an existing NEFilterDataProvider will always take precedence over the DNS Settings on macOS.

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Answer 2

this_username_did_not_exist OP

Aug ’23

Thanks.

Does this mean that, in such a case, the only solutions to get DNS-over-HTTPS/-TLS are to either use your own DNS client code in your application (what Google Chrome does for instance) or to configure a DNS proxy solution (e.g. https://blog.smittytone.net/2022/05/07/how-to-do-dns-over-https-on-macos)?

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Answer 3

Systems Engineer OP

Apple

Aug ’23

If I understand you correctly, yes, you'll have to either implement your own DoH or DoT provider with NEDNSSettings or your will need to implement your own DNS Proxy Provider.

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Answer 4

this_username_did_not_exist OP

Aug ’23

Actually, it was more a question regarding which options are available to an end-user to get DNS-over-HTTPS or TLS when a Network Extension (with a Data Filter Provider) is running on macOS.

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