[Bug 1046154] Re: Can't resolve OpenVPN DNS while using a 3G connection with resolvconf installed

iox ignacio at ihuerta.net
Sun Sep 9 10:16:30 UTC 2012


*** This bug is a duplicate of bug 994575 ***
    https://bugs.launchpad.net/bugs/994575

Hi Thomas!

Thank you very much, I just tested the resolvconf package from the
proposed repository and it works great. It's been a pleasure debugging a
bug with you. I'm going to comment in the other bug too, so they have
confirmation it's working.

A note for users looking to update their resolvconf: the working version
in 12.04 proposed seems to be 1.63ubuntu16 instead of 1.67ubuntu2 (this
one probably belongs to 12.10).

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https://bugs.launchpad.net/bugs/1046154

Title:
  Can't resolve OpenVPN DNS while using a 3G connection with resolvconf
  installed

Status in “resolvconf” package in Ubuntu:
  Incomplete

Bug description:
  Ubuntu version: fresh install of Ubuntu 12.04.1 LTS 64 bits (3.2.0-29-generic)
  Resolvconf package version: 1.63ubuntu15

  What I expected to happen: Connect through 3G (bluetooth DUN), connect
  to a OpenVPN and be able to resolve the internal domain names to
  access some servers.

  What happened instead: I can't resolve internal hostnames.

  Additional information: It only breaks when connecting through 3G.
  When connecting through Wifi/Cable it works perfectly.

  Workaround: Uninstalling the package resolvconf seems to solve the
  problem.

  Other users probably affected:
  http://mobilesociety.typepad.com/mobile_life/2012/07/ubuntu-1204-the-
  network-manager-3g-internet-and-vpn.html

  I've looked at other bug reports and tried other solutions:
  * #922578.  Removing "resolvconf" is a workaround that works, but I imagine this is resolvconf bug and there must be a more elegant solution.
  * #994575. This looks related, but I already have the patched version and it didn't help.
  * #924013. I have already checked that my OpenVPN servers are pushing the right information (DNS + DOMAIN) back to the client.

  With resolvconf installed: cat /etc/resolv.conf:
      nameserver 195.81.137.130
      nameserver 195.81.155.194
      nameserver 192.168.163.200
      search dummy.intranet

  With resolvconf uninstalled: cat /etc/resolv.conf
      domain dummy.intranet
      search dummy.intranet
      nameserver 127.0.0.1

  Please tell me if you need any additional information

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