[Bug 1666912] Re: Invoking openvpn removed option --tls-remote

[Chris Glass]

For people suffering from this, a clean workaround is to change the VPN
configuration as follows:

- Edit your VPN connection
- "VPN" tab
- "Advanced"
- "TLS Authentication" tab
- Change the "Server certificate check" to something that is *not* "verify subject partially".

In my case, "Don't verify certificate identity" was chosen since the
server's public key is checked anyway.

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Title:
  Invoking openvpn removed option --tls-remote

Status in network-manager-openvpn package in Ubuntu:
  Confirmed
Status in network-manager-openvpn source package in Zesty:
  Confirmed

Bug description:
  Upgrading to the latest openvpn breakes already configured VPN
  connections.

  Steps to reproduce:
  1. Import an OpenVPN connection via NetworkManager with the tls-remote option used.
  2. Try to connect to VPN.

  Expected result:
  VPN connection is established.

  Actual result:
  (from syslog)
  Feb 22 14:54:48 hostname NetworkManager[8593]: Options error: Unrecognized option or missing or extra parameter(s) in [CMD-LINE]:1: tls-remote (2.4.0)
  Feb 22 14:54:48 hostname NetworkManager[8593]: Use --help for more information.

  ProblemType: Bug
  DistroRelease: Ubuntu 17.04
  Package: network-manager-openvpn 1.2.6-2ubuntu1
  ProcVersionSignature: Ubuntu 4.9.0-15.16-generic 4.9.5
  Uname: Linux 4.9.0-15-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl zcommon znvpair
  ApportVersion: 2.20.4-0ubuntu2
  Architecture: amd64
  CurrentDesktop: Unity:Unity7
  Date: Wed Feb 22 15:06:53 2017
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2016-03-30 (329 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Beta amd64 (20160323)
  JournalErrors:
   Error: command ['journalctl', '-b', '--priority=warning', '--lines=1000'] failed with exit code 1: Hint: You are currently not seeing messages from other users and the system.
         Users in the 'systemd-journal' group can see all messages. Pass -q to
         turn off this notice.
   No journal files were opened due to insufficient permissions.
  SourcePackage: network-manager-openvpn
  UpgradeStatus: Upgraded to zesty on 2016-10-30 (115 days ago)

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