Public bug reported:

The exact same VPN configuration (both server-client) was working perfectly 
with Ubuntu 18.04. After upgrading, the DNS server is not updated with the one 
pushed by the VPN server. It's not updated even if I set it to MANUAL and 
specify the IP address in the VPN configuration dialog.
This can be checked with `systemd-resolve --status` which returns the original 
LAN provided DNS server.

This breaks completely an OpenVPN connection under Ubuntu 18.10.

The workaround I did was to manually add a script in
`/etc/NetworkManager/dispatcher.d` which forces systemd-resolve to use a
specific IP address as the main DNS server. But it's an ugly hack.

ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: network-manager-openvpn 1.8.6-1ubuntu1
ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12
Uname: Linux 4.18.0-10-generic x86_64
ApportVersion: 2.20.10-0ubuntu13
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Fri Oct 19 14:24:05 2018
InstallationDate: Installed on 2017-11-20 (333 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
SourcePackage: network-manager-openvpn
UpgradeStatus: Upgraded to cosmic on 2018-10-19 (0 days ago)

** Affects: network-manager-openvpn (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug cosmic

** Description changed:

  The exact same VPN configuration (both server-client) was working perfectly 
with Ubuntu 18.04. After upgrading, the DNS server is not updated with the one 
pushed by the VPN server. It's not updated even if I set it to MANUAL and 
specify the IP address in the VPN configuration dialog.
  This can be checked with `systemd-resolve --status` which returns the 
original LAN provided DNS server.
  
- This brokes completely an OpenVPN connection under Ubuntu 18.10.
+ This breaks completely an OpenVPN connection under Ubuntu 18.10.
  
  The workaround I did was to manually add a script in
  `/etc/NetworkManager/dispatcher.d` which forces systemd-resolve to use a
  specific IP address as the main DNS server. But it's an ugly hack.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 18.10
  Package: network-manager-openvpn 1.8.6-1ubuntu1
  ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12
  Uname: Linux 4.18.0-10-generic x86_64
  ApportVersion: 2.20.10-0ubuntu13
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Oct 19 14:24:05 2018
  InstallationDate: Installed on 2017-11-20 (333 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
  SourcePackage: network-manager-openvpn
  UpgradeStatus: Upgraded to cosmic on 2018-10-19 (0 days ago)

-- 
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Packages, which is subscribed to network-manager-openvpn in Ubuntu.
https://bugs.launchpad.net/bugs/1798818

Title:
  DNS server is not updated after VPN is established

Status in network-manager-openvpn package in Ubuntu:
  New

Bug description:
  The exact same VPN configuration (both server-client) was working perfectly 
with Ubuntu 18.04. After upgrading, the DNS server is not updated with the one 
pushed by the VPN server. It's not updated even if I set it to MANUAL and 
specify the IP address in the VPN configuration dialog.
  This can be checked with `systemd-resolve --status` which returns the 
original LAN provided DNS server.

  This breaks completely an OpenVPN connection under Ubuntu 18.10.

  The workaround I did was to manually add a script in
  `/etc/NetworkManager/dispatcher.d` which forces systemd-resolve to use
  a specific IP address as the main DNS server. But it's an ugly hack.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.10
  Package: network-manager-openvpn 1.8.6-1ubuntu1
  ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12
  Uname: Linux 4.18.0-10-generic x86_64
  ApportVersion: 2.20.10-0ubuntu13
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Oct 19 14:24:05 2018
  InstallationDate: Installed on 2017-11-20 (333 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
  SourcePackage: network-manager-openvpn
  UpgradeStatus: Upgraded to cosmic on 2018-10-19 (0 days ago)

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