[Serusers] Responses on the source port of the request

[Jiri Kuthan]

At 11:18 AM 10/5/2004, mahesh wrote:
>Andrei,
>
>Any significant reason on why this is being done??

yes. to make sure that majority of devices that are symmetric but
are silly not to advertise it using rport work. It will fail
for those which are not symmetric -- I am not worried about
them too much, they should be.

-jiri


>Mahesh
>
>At 08:59 PM 10/1/2004, Andrei Pelinescu-Onciul wrote:
>>On Oct 01, 2004 at 10:16, mahesh <mahesha at intoto.com> wrote:
>>> Hi Andrei,
>>> Thanks for the reply.
>>>
>>> I am using the publicly available iptel proxy server(195.37.77.99) to test
>>> my implementation of SIP-ALG. I am using the following configuration
>>>
>>> HOST1(winXP)---FW---Internet---HOST2(winCP)
>>>
>>> FW is the firewall/NAT device, which has the ALG implementation. I am using
>>> SJPhone on my hosts to communicate using SIP(UDP). I observe that the
>>> responses to requests sent by HOST1 come from the proxy(iptel) to the
>>> source port(of FW), from which the request was sent, instead of on VIA.
>>> There is no "rport"  field in the VIA header field of the request.
>>>
>>> Does anyone know if the iptel proxy server is configured to use
>>> "force_rport".
>>
>>Yes, it is.
>>
>>Andrei
>
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--
Jiri Kuthan            http://iptel.org/~jiri/