[SR-Users] register fails from openvpn clients

[meres]

Hello, 

Thank you for your help

The REGISTER request is getting to kamailio.
I attach my tcpdump output:
http://pastebin.com/3RV9wG5G

Regards, 

Kostas

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
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> 
> -- 
> 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
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