Public bug reported: After I close the connection DNS resolving does not work any more as the file linked to from /etc/resolv.conf is not world-readable:
lrwxrwxrwx 1 root root 39 Mär 14 21:04 /etc/resolv.conf -> ../run/systemd/resolve/stub-resolv.conf root:/run/systemd/resolve# ls -l insgesamt 12 drwxr-xr-x 3 systemd-resolve systemd-resolve 120 Aug 30 15:01 . drwxr-xr-x 20 root root 460 Aug 30 14:44 .. drwx------ 2 systemd-resolve systemd-resolve 60 Aug 30 15:01 netif -rw-r--r-- 1 systemd-resolve systemd-resolve 640 Aug 30 15:01 resolv.conf -rw------- 1 root root 715 Aug 30 14:55 stub-resolv.conf -rw-r--r-- 1 root root 733 Aug 30 14:55 stub-resolv.conf.tmp I have to run sudo chmod 0640 /run/systemd/resolve/stub-resolv.conf to be able to use DNS again. /etc/nsswitch.conf contains: hosts: files dns ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: network-manager-strongswan 1.4.2-2 ProcVersionSignature: Ubuntu 5.0.0-25.26~18.04.1-generic 5.0.18 Uname: Linux 5.0.0-25-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.7 Architecture: amd64 CurrentDesktop: XFCE Date: Fri Aug 30 15:10:21 2019 DistributionChannelDescriptor: # This is a distribution channel descriptor # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor canonical-oem-somerville-trusty-amd64-osp1-20150720-0 InstallationDate: Installed on 2016-06-01 (1184 days ago) InstallationMedia: Ubuntu 14.04 "Trusty" - Build amd64 LIVE Binary 20150720-04:06 SourcePackage: network-manager-strongswan UpgradeStatus: Upgraded to bionic on 2018-08-22 (373 days ago) ** Affects: network-manager-strongswan (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug bionic third-party-packages -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1842063 Title: /etc/resolv.conf turns 0640 after closing connection To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager-strongswan/+bug/1842063/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
