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On 2009-03-25T21:44:28+00:00 Jeremy wrote:

Description of problem:
When connecting to VPN with NetworkManager-vpnc, it sets the default route to 
the VPN device.  When I connect with "vpnc" it leaves the default route alone.

There are also a couple of other routes missing when I use
NetworkManager to connect.

Version-Release number of selected component (if applicable):
NetworkManager-vpnc-0.7.0.99-1.fc10.x86_64

How reproducible:
Always

Steps to Reproduce:
1.Connect to vpn
2.Check route with "route"
3.
  
Actual results:
0.0.0.0         0.0.0.0         0.0.0.0         U     0      0        0 tun0

Expected results:
0.0.0.0         192.168.1.1     0.0.0.0         UG    0      0        0 wlan0

Additional info:
The diff between the vpnc routing and the NetworkManager-vpnc routing is:
--- vpnc        2009-03-25 14:38:59.629563747 -0700
+++ nwman       2009-03-25 14:39:25.283537596 -0700
@@ -1,7 +1,5 @@
 Kernel IP routing table
 Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
-10.yy.yy.yy     0.0.0.0         255.255.255.255 UH    0      0        0 tun0
-10.zz.zz.zz     0.0.0.0         255.255.255.255 UH    0      0        0 tun0
 xx.xx.xx.xx     192.168.1.1     255.255.255.255 UGH   0      0        0 wlan0
 192.168.1.0     0.0.0.0         255.255.255.0   U     2      0        0 wlan0
 10.69.148.0     0.0.0.0         255.255.255.0   U     0      0        0 tun0
@@ -32,4 +30,4 @@
 10.224.0.0      0.0.0.0         255.224.0.0     U     0      0        0 tun0
 10.0.0.0        0.0.0.0         255.192.0.0     U     0      0        0 tun0
 10.128.0.0      0.0.0.0         255.192.0.0     U     0      0        0 tun0
-0.0.0.0         192.168.1.1     0.0.0.0         UG    0      0        0 wlan0
+0.0.0.0         0.0.0.0         0.0.0.0         U     0      0        0 tun0

Reply at: https://bugs.launchpad.net/ubuntu/+source/network-manager-
openvpn/+bug/330833/comments/5

------------------------------------------------------------------------
On 2009-04-03T23:16:23+00:00 vaxon wrote:

Same problem here.

Reply at: https://bugs.launchpad.net/ubuntu/+source/network-manager-
openvpn/+bug/330833/comments/7

------------------------------------------------------------------------
On 2009-04-04T00:22:18+00:00 vaxon wrote:

Actually, looking a bit more at the vpn configuration I can tell that
it's all configurable.

Click on the Network Manager icon and choose "VPN Connections" -> "Configure 
VPN...". Then choose the connection name and click "Edit". Go to "IPv4 
Settings" tab and click the "Routes" button at the lower-right corner.
Check off "Use this connection only for resources on its network".
This should make vpn use the old default route instead of redirecting all 
traffic to tun0.
Additional routes can be set up here as well.

But I really think that leaving the default route intact should be the
default vpnc behaviour.

Thanks,
Vax.

Reply at: https://bugs.launchpad.net/ubuntu/+source/network-manager-
openvpn/+bug/330833/comments/8

------------------------------------------------------------------------
On 2009-05-01T10:43:16+00:00 Stephen wrote:

I have a very similar problem here. But I cannot work around it using
the technique mentioned in #2 because that box is not checked.

When I connect using vpnc from the command line my name servers are
correctly tunnelled down tun0 as in the bug description. However when I
connect using NetworkManager-vpnc (default settings, and in fact every
combination of settings I have tried so far) my name servers are not
send down tun0 and consequently I cannot access any internal systems.

NetworkManager-vpnc should have the same behaviour as the vpnc command
line client.

Reply at: https://bugs.launchpad.net/ubuntu/+source/network-manager-
openvpn/+bug/330833/comments/16

------------------------------------------------------------------------
On 2009-05-01T17:54:02+00:00 Jeremy wrote:

(In reply to comment #2)
> But I really think that leaving the default route intact should be the default
> vpnc behaviour.

It must be a behaviour change, because it used to work OK.  Anyway,
checking that box does fix the problem for me.

Reply at: https://bugs.launchpad.net/ubuntu/+source/network-manager-
openvpn/+bug/330833/comments/17

------------------------------------------------------------------------
On 2009-11-05T14:33:37+00:00 Don wrote:

Confirmed that checking the box fixes the problem here as well.

Reply at: https://bugs.launchpad.net/ubuntu/+source/network-manager-
openvpn/+bug/330833/comments/25

------------------------------------------------------------------------
On 2009-11-06T06:42:10+00:00 Dan wrote:

By default, VPNs get the default route as that is the most secure
configuration of a VPN.  If that is not your VPN configuration, you'll
need to check the "Only use this connection for resources on its
network" and then only the specific routes sent by the VPN server (or
ones you enter manually) will be routed over the VPN tunnel.

If you have further problems, please re-open and include some of
/var/log/messages that show the IP configuration that NM is getting from
vpnc.  It will look like this:

NetworkManager: <info>  VPN connection 'foobar' (Connect) reply received.
NetworkManager: <info>  VPN connection 'foobar' (IP Config Get) reply received.
NetworkManager: <info>  VPN Gateway: 101.22.183.53
NetworkManager: <info>  Tunnel Device: tun0
NetworkManager: <info>  Internal IP4 Address: 10.3.227.85
NetworkManager: <info>  Internal IP4 Prefix: 20
NetworkManager: <info>  Internal IP4 Point-to-Point Address: 10.3.227.85
NetworkManager: <info>  Maximum Segment Size (MSS): 0
NetworkManager: <info>  Static Route: 172.16.0.0/16   Next Hop: 172.16.0.0
NetworkManager: <info>  Static Route: 10.0.0.0/8   Next Hop: 10.0.0.0
NetworkManager: <info>  Internal IP4 DNS: 10.5.26.20
NetworkManager: <info>  Internal IP4 DNS: 10.5.26.21
NetworkManager: <info>  DNS Domain: 'foobar.com'

that will help us determine if vpnc and NM are getting the right data.

Reply at: https://bugs.launchpad.net/ubuntu/+source/network-manager-
openvpn/+bug/330833/comments/26


** Changed in: network-manager (Fedora)
   Importance: Unknown => Medium

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to network-manager in Ubuntu.
https://bugs.launchpad.net/bugs/330833

Title:
  NetworkManager always overwrites default route when connecting to
  OpenVPN network

Status in NetworkManager-OpenVPN:
  Invalid
Status in network-manager package in Ubuntu:
  Invalid
Status in network-manager-openvpn package in Ubuntu:
  Fix Released
Status in network-manager package in Debian:
  New
Status in network-manager package in Fedora:
  Invalid

Bug description:
  Binary package hint: network-manager

  My office VPN has IMAP, (forwarding) DNS services and not much else.
  It doesn't forward client traffic to the Internet. This means I can't
  use the VPN server as a default gateway.

  Every time I connect to the VPN using NetworkManager/OpenVPN, my
  routing table gets a default route to the VPN. I've tried everything
  to avoid this in both the Intrepid package and the version from the
  network manager PPA with no success. Even telling NetworkManager to
  ignore routes from the server doesn't work.

  As it is right now, I have to connect to the VPN, delete the default
  route, and re-add my wireless router as the default gateway before I
  can have both email and web access.

  See attached routing table details.

  ProblemType: Bug
  Architecture: i386
  DistroRelease: Ubuntu 8.10
  NonfreeKernelModules: nvidia
  Package: network-manager 0.7-0ubuntu1~nm1~intrepid1
  ProcEnviron:
   PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  SourcePackage: network-manager
  Uname: Linux 2.6.27-11-generic i686

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