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Linux - Networking This forum is for any issue related to networks or networking.
Routing, network cards, OSI, etc. Anything is fair game.

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Old 09-29-2015, 02:29 AM   #16
wildwizard
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Registered: Apr 2009
Location: Oz
Distribution: slackware64-14.0
Posts: 875

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And there is your bug.

When you bring up a tunnel that you intend to route all your traffic over it needs that extra entry for the VPN server as that traffic needs to go via the normal network interface.

It works like this

1. I want to send to 8.8.8.8, check the routing table no direct route so send via the default.
2. Send data to the default (with the VPN up this will be your tun0 which is connected to the VPN software on your end)
3. Your VPN encrypts the data and then tries to send it to the VPN server.
4. I want to send to the VPN Server IP x.x.x.x, check the routing table no direct route so send via the default. (When obfsproxy is on)
5. Your now back at step 2 and thus in an infinite loop.

You'll want to have a look at obfsproxy and see why it is breaking things so badly.
 
Old 09-29-2015, 07:03 PM   #17
mabo1
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Registered: Jul 2015
Location: Nanjing, China
Distribution: Debian
Posts: 62

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I'm not sure the software creators would agree that this is a bug. They may argue that I have not setup the configuration correctly?

I have been using network manager with Gnome3 desktop so it is not clear to me whether the problem lies with openvpn or nm-openvpn packages?

Anyhow it is working for me and I will investigate openvpn configuration a little closer.

Thanks for all the suggestions ...

Last edited by mabo1; 09-29-2015 at 07:10 PM.
 
  


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