[OpenSIPS-Users] identifying characteristics appear through b2b top hiding

[Bogdan-Andrei Iancu]

Hi Jeff,

Jeff Pyle wrote:
> Anca,
>
> It seems the new From tag is constructed from the call-id of the originating INVITE.  Many UAs include their IP address in the call-id.  As such the true originating IP address makes it through the top-hiding scenario.
>   
indeed, that might be a problem!
> A second place it seems to make it through is the owner of the SDP.
>
> It's in the connection info as well, but we can take care of that with rtpproxy or Mediaproxy.  No problem here.
>   
yes, the b2b module take care of signalling - for SDP you need to use a 
media relay.
> Are there any user-configurble options to minimize the exposure of the original IP?
>   
in SDP ? if so, nathelper module has the a flag for it - see "o" in:
    http://www.opensips.org/html/docs/modules/1.6.x/nathelper.html#id271384

Regards,
Bogdan
>
> Regards,
> Jeff
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>   


-- 
Bogdan-Andrei Iancu
www.voice-system.ro