[SR-Users] TLS and SIP

Daniel-Constantin Mierla miconda at gmail.com
Thu May 23 10:05:48 CEST 2013


On 5/22/13 3:49 PM, Fabian Borot wrote:
> Thank you Klaus, good idea, but I forgot to mention that when I configure the client w/o TLS using regular SIP/UDP/5060 I dont have that problem. When the BYE from the called side comes it is sent to the calling side without any problems.
> But I do see that the Contact and VIA reach the Proxy with Public IP:Ports (our NAT automatically changes the internal IP/ports by the Public ones really well). The IP:Port in the VIA, CONTACT are the same that the request brings at layer3 and 4 as well. So I don't bother doing the extra NAT configuration in the office.
> Maybe since the actual content of the TLS SIP call is encrypted the firewall does not change the and then they should reach the proxy with the private IP:Ports, causing this problem.
>
> I will try TCP and also adding some extra NAT handling configuration to the proxy.
you can also try using NULL cypher for tls in order to see the content 
in clear text.

Cheers,
Daniel

-- 
Daniel-Constantin Mierla - http://www.asipto.com
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Kamailio Advanced Training, San Francisco, USA - June 24-27, 2013
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