[SR-Users] register fails from openvpn clients

[Andrew Mortensen]

On Jan 15, 2014, at 5:35 AM, meres <meresgr at gmail.com> wrote:

> Hello, 
> 
> Thank you for your help
> 
> The REGISTER request is getting to kamailio.
> I attach my tcpdump output:
> http://pastebin.com/3RV9wG5G

Your client is never responding to the authentication challenge returned by Kamailio in the WWW-Authenticate header. Your client should be attempting a second REGISTER with an Authorization header containing a response to Kamailio's challenge. Do the clients have authentication enabled?

andrew



> On Jan 15, 2014, at 11:09 AM, Daniel-Constantin Mierla <miconda at gmail.com> wrote:
> 
>> Hello,
>> 
>> what do you mean by "register fails"?
>> 
>> Is the REGISTER request getting to kamailio? Is there a reply for it?
>> 
>> A ngrep output taken on kamailio server for such registration would help to figure out where is the issue.
>> 
>> Cheers,
>> Daniel
>> 
>> On 13/01/14 18:08, meres wrote:
>>> I have kamailio 4.1.0 running on a server on a real ip and behind a firewall.
>>> NAT detection is enabled on kamailio because many remote clients are behind NAT, so NAT is working fine along with rtpproxy.
>>> Everything else (incoming, outgoing) is working fine except the following:
>>>  
>>> Users who are connected to our openvpn server (bridged mode) which is on the same subnet with kamailio, fail to register.
>>> I suspect that kamailio detects NAT on these clients as all of them are behind NAT, but they also have obtained a real ip from our openvpn server on their tap interface and as a result, REGISTER fails.
>>>  
>>> One solution, but not the best is to exclude kamailio from our openvpn routes but I would not prefer this because I wil not be able to manage the server remotely
>>>  
>>> My config: http://pastebin.com/JSxzgmKH
>>>  
>>> Any suggestions?
>>>  
>>>  
>>> 
>>> 
>>> _______________________________________________
>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>>> 
>>> sr-users at lists.sip-router.org
>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>> 
>> -- 
>> Daniel-Constantin Mierla - 
>> http://www.asipto.com
>> http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
>> _______________________________________________
>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>> sr-users at lists.sip-router.org
>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
> 
> 
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
> sr-users at lists.sip-router.org
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users