Don't have this problem to be honest, I'm the sysadmin 😁(lemmy.dbzer0.com)

posted 8 months ago

0x4E4F@lemmy.dbzer0.com

linuxmemes@lemmy.world

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blackstrat@lemmy.fwgx.uk

8 points

8 months ago

Blame their DoH for killing FF deployment in the enterprise. Companies don’t like not being in charge of their DNS traffic. DoT is better from corporate POV as that can all be blocked or redirected based on the port, not so much DoH which uses the same port as normal web traffic.

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acockworkorange@mander.xyz

13 points

8 months ago

Those are definitely acronyms.

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CurbsTickle@lemmy.world

3 points

8 months ago

Deleted by creator

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acockworkorange@mander.xyz

4 points

8 months ago

Wait, are you saying there’s a way to tell Firefox to use a different DNS server than what’s specified in the interface configuration?

BTW, thank you for the explanation, makes sense now!

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blackstrat@lemmy.fwgx.uk

5 points

8 months ago

Exactly that. And it looks just like any other web traffic.

Quite a few things will use their own DNS servers, not the one specified by the system or handed out over DHCP. I know many apps on the fire stick and Roku devices do this. So you have to intercept their traffic and redirect it to control it. If their using DoH then you can’t do that and your pihole is useless against them.

Best you can do is maintain a list of well known DoH servers and block them outright. But that’s a constantly moving losing battle.

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acockworkorange@mander.xyz

2 points

8 months ago

Right, it just downed on me that DNS is nothing more than another application layer in the OSI model. Thanks again!

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4 points

8 months ago

Nah, companies can just disable DOH if they want using GPOs.

https://github.com/mozilla/policy-templates/blob/v5.8/docs/index.md

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