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

[Thomas Hood]

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

@iox: Instead of upgrading resolvconf (recommended) you can
alternatively, for now, just apply this patch both to /etc/ppp/ip-
up.d/000resolvconf and to /etc/ppp/ip-down.d/000resolvconf

--- old	2012-09-08 12:34:42.836054460 +0200
+++ 000resolvconf	2012-09-08 12:35:19.768055317 +0200
@@ -11,7 +11,7 @@
 [ -x /sbin/resolvconf ] || exit 0
 
 case "$6" in
-  nm-pptp-service-*)
+  nm-pptp-service-*|/org/freedesktop/NetworkManager/PPP/*)
     # NetworkManager handles it
     exit 0
     ;;

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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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