openVPN client connects then drops on openSUSE 11.1

Posted on 2009-02-21
Medium Priority
Last Modified: 2013-12-05
I am running the openvpn client (version 2.0.9-143.15) on openSUSE 11.1 (32-bit). I have the openvpn server running on the Astaro Security Gateway (version 7.306) and have the SSL VPN working just fine with windows clients connecting to the server. When I connect from my openSuse laptop the vpn tunnel is established successfully for a couple of seconds but it disconnects shortly thereafter.

It appears from the logs on the server that there is a decryption error that drops the connection after which it is reestablished again only to be dropped a couple of seconds later after receiving a soft-reset from the client.

The client log shows a plugin failure that seems to be responsible for the drop of the connection. I have upgraded the client to the latest openvpn client (openVPN 2.1_RC15) but then the connection fails right off the bat where as with version 2.0.9 I at least get an initial connection even if it is only for a few seconds.

Can anyone give me some direction on how I can resolve this issue? I have attached logs from both the server and the client with the details.

Thank you.
Question by:Ravelstaff
  • 2

Expert Comment

ID: 23709575
Is the SuSe firewall on?  What about Apparmor?  

Have you tried turning off Network Manager, and just using the traditional network management?

Author Comment

ID: 23713033
Hi bekito,

Thanks for responding. AppArmor is switched off and I get the same results even if I switch off the SuSe firewall. I have not yet tried it with ifup instead of Networkmanager; it will take me a bit of time  to get that tested I will post back my findings here in the next 24 to 48 hours.

Accepted Solution

Ravelstaff earned 0 total points
ID: 23742169
Final update. ifup does not have any gui plugins to manage the openvpn connections (at least not any that I am aware of or could find) so I resorted back to activating the openvpn client directlly from the console. The vpn connection comes up and stays stable when I execute the following from the console:

openconfig --config <path_to_configfile>

I am happy with this solution since it works.
Thanks for your input.

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