[OpenSIPS-Users] Opensips behind a firewall with internal IP

David J. david at styleflare.com
Fri May 21 22:03:00 CEST 2010


Yeah,

I tried that as well, I will try again and see. It seems like everything 
else works.

Just for some reason when I disconnect one leg of the call the BYE 
messages don't seem to get routed properly.


On 5/21/10 3:56 PM, Daniel Goepp wrote:
> I'm not sure what is happening for you there, but I see on my outbound 
> INVITE to the callee:
>
> Via: SIP/2.0/UDP PUBLIC_IP;branch=z9hG4bKa03a.4c4a9294.0;i=e.
> Via: SIP/2.0/TCP 
> PRIVATE_IP:5065;rport=6545;received=PUBLIC_IP;branch=z9hG4bK66e33da44ca16500.
>
> I'm also using record_route_preset, are you using this method also?
>
> -dg
>
>
> On Fri, May 21, 2010 at 11:00 AM, David J. <david at styleflare.com 
> <mailto:david at styleflare.com>> wrote:
>
>     Daniel,
>
>     I am calling fix_nated_register() on REGISTER and on INVITE
>     fix_nated_contact()
>
>
>     On 5/21/10 1:46 PM, Daniel Goepp wrote:
>>     Ah yes, are you also doing NAT detection and fixing contact?
>>
>>     -dg
>>
>>
>>     On Fri, May 21, 2010 at 10:40 AM, David J. <david at styleflare.com
>>     <mailto:david at styleflare.com>> wrote:
>>
>>         Yes, I did that, but I am not seeing those changes in the Via
>>         Tag, although I do see them as Appended if that is the
>>         correct behavior?
>>
>>         Via: SIP/2.0/UDP PRIVATE_IP:5061;branch=0;received=PUBLIC_IP.
>>
>>
>>         On 5/21/10 12:43 PM, Daniel Goepp wrote:
>>>         Did you make the change recommended by Bogdan?
>>>
>>>         --clip
>>>         yes, you can set and advertised port and IP to be used
>>>         (instead of the
>>>         actual listening IP:port). See:
>>>            advertise_address
>>>         http://www.opensips.org/Resources/DocsCoreFcn16#toc24
>>>            advertise_port
>>>         http://www.opensips.org/Resources/DocsCoreFcn16#toc25
>>>         --clip
>>>
>>>         I am not experiencing the same problem you are.
>>>
>>>         -dg
>>>
>>>
>>>         On Fri, May 21, 2010 at 9:05 AM, David J.
>>>         <david at styleflare.com <mailto:david at styleflare.com>> wrote:
>>>
>>>             Daniel,
>>>
>>>             You said you got opensips/rtp-proxy working on EC2, when
>>>             testing it, I see the VIA headers have the EC2 internal
>>>             ip and the BYE messages not getting routed correctly,
>>>             any advice on how to solve that?
>>>
>>>             Thanks
>>>
>>>
>>>
>>>             On 5/21/10 12:02 PM, Daniel Goepp wrote:
>>>>             You need to be careful though because you will likely
>>>>             not get media then.  We could not find a way to get
>>>>             MediaProxy to work, but we did patch rtpproxy to work. 
>>>>             We just added a -A parameter which is the publicly
>>>>             advertised address.  See:
>>>>
>>>>             http://opensips-open-sip-server.1449251.n2.nabble.com/Rtpproxy-behind-the-NAT-td5008041.html#none
>>>>
>>>>             -dg
>>>>
>>>>
>>>>             On Fri, May 21, 2010 at 1:34 AM, Bogdan-Andrei Iancu
>>>>             <bogdan at voice-system.ro
>>>>             <mailto:bogdan at voice-system.ro>> wrote:
>>>>
>>>>                 Hi Stefano,
>>>>
>>>>                 yes, you can set and advertised port and IP to be
>>>>                 used (instead of the
>>>>                 actual listening IP:port). See:
>>>>                    advertise_address
>>>>                 http://www.opensips.org/Resources/DocsCoreFcn16#toc24
>>>>                    advertise_port
>>>>                 http://www.opensips.org/Resources/DocsCoreFcn16#toc25
>>>>
>>>>                 Regards,
>>>>                 Bogdan
>>>>
>>>>                 Stefano Pisani wrote:
>>>>                 > I need to put opensips 1.6.2 behind a firewall.
>>>>                 > In this case the server has an internal IP
>>>>                 (192.168.x.x)
>>>>                 > There is a way to configure the extern (public)
>>>>                 IP in opensis, in this
>>>>                 > way all the headers of messagges will be correct.
>>>>                 >
>>>>                 > stefano
>>>>                 >
>>>>                 > _______________________________________________
>>>>                 > Users mailing list
>>>>                 > Users at lists.opensips.org
>>>>                 <mailto:Users at lists.opensips.org>
>>>>                 >
>>>>                 http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>>>>                 >
>>>>                 >
>>>>
>>>>
>>>>                 --
>>>>                 Bogdan-Andrei Iancu
>>>>                 www.voice-system.ro <http://www.voice-system.ro>
>>>>
>>>>
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>>>>
>>>>
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>>>
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