> Hi, > > On Thu, Apr 03, 2025 at 10:21:07AM +0000, Herbert Snorrason wrote: > > After an upgrade today, resolved appears to have stopped resolving mDNS > > queries, > > despite previously having done so and still being configured to do so. This > > appears to be the result of a new override file that appeared in the > > package. Unlike multiple other changes that require action to maintain an > > existing configuration, I did not get any sort of alert in the upgrade > > process. > > This is correct. The Debian Technical Committee asked the systemd > maintainers to disable mDNS support in the default configuration. The > chosen implementation was to place an override file.
The method of doing this is overriding the setting of 'MulticastDNS=yes' in the /etc/systemd/resolved.conf file. The only way to get past this is to remove the override file, or create a overriding override file in /etc/systemd/resolved.conf.d/

