this post was submitted on 20 Oct 2023
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I recently tried to enable system-wide DNS over https on Fedora. To do so I had to to some research and found out how comfusing it is for the average user (and even experienced users) to change the settings. In fact there are multiple backends messing with system DNS at the same time.

Most major Linux distributions use systemd-resolved for DNS but there is no utility for changing its configuration.

The average user would still try to change DNS settings by editing /etc/relov.conf (which is overwritten and will not survive reboots) or changing settings in Network Manager.

Based on documentation of systemd-resolved, the standard way of adding custom DNS servers is putting so-called 'drop-in' files in /etc/systemd/resolved.conf.d directory, especially when you want to use DNS-over-TLS or DNS-over-https.

Modern browsers use their buit-in DNS settings which adds to the confusion.

I think this is one area that Linux needs more work and more standardization.

How do you think it should be fixed?

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[–] _cnt0@feddit.de 15 points 1 year ago (2 children)

My two cents: Yes, it's bad. The biggest hurdle to people not "intimately familiar" with their distro is A) what it's using for DNS configuration and B) realizing that there are so many different ways in different distributions, and sometimes within one distribution, that you have to be very careful what googled results you follow. That many browsers do their own thing doesn't help. I think the best way to solve it would be some desktop level abstraction like PackageKit where it doesn't really matter what services does the resolving under the hood.

[–] Hawke@lemmy.world 12 points 1 year ago
[–] mfat@lemdro.id 2 points 1 year ago

Totally agree. There should be only one place for setting the system-wide DNS.