Public bug reported: Removing the systemd-resolved package breaks glibc DNSSEC validation, because it removes an existing line from the new /etc/resolv.conf file.
This line should be retained so that packages like Exim can continue to use the AD bit after systemd-resolved is removed. ubuntu@instance:~$ grep -v '^#' /etc/resolv.conf nameserver 127.0.0.53 options edns0 trust-ad search vcn.oraclevcn.com ubuntu@instance:~$ sudo apt remove systemd-resolved ubuntu@instance:~$ grep -v '^#' /etc/resolv.conf nameserver 169.254.169.254 search vcn.oraclevcn.com ** Affects: systemd (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/2056153 Title: Removing the systemd-resolved package breaks DNSSEC validation Status in systemd package in Ubuntu: New Bug description: Removing the systemd-resolved package breaks glibc DNSSEC validation, because it removes an existing line from the new /etc/resolv.conf file. This line should be retained so that packages like Exim can continue to use the AD bit after systemd-resolved is removed. ubuntu@instance:~$ grep -v '^#' /etc/resolv.conf nameserver 127.0.0.53 options edns0 trust-ad search vcn.oraclevcn.com ubuntu@instance:~$ sudo apt remove systemd-resolved ubuntu@instance:~$ grep -v '^#' /etc/resolv.conf nameserver 169.254.169.254 search vcn.oraclevcn.com To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/2056153/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp