2009/2/26 Jerry Richards <jer...@tonecommander.com>:
> Okay, thank you.  By the way, if I wanted to temporarily patch the source
> port, do you know a good place (i.e. function) to do it?  I just want to
> confirm that the source port is not an issue with a SIP server I'm
> interfacing with.

It might be a bit hard, you can try to bind to tp_pri->tp_addr  in
tport_tcp_init_secondary(). bind() might succeed or then not,
depending on how the reuseraddr is implemented on your system.

--Pekka

> -----Original Message-----
> From: Pekka Pessi [mailto:ppe...@gmail.com]
> Sent: Thursday, February 26, 2009 12:15 PM
> To: Jerry Richards
> Cc: sofia-sip-devel@lists.sourceforge.net
> Subject: Re: [Sofia-sip-devel] TCP Source Port 3072?
>
> 2009/2/26 Jerry Richards <jer...@tonecommander.com>:
>> Hello All,
>>
>> When I configure the sofia transport=udp, then I see SIP UDP packets
>> sent with source port 5060 and destination port 5060.  When the only
>> change I make is transport=tcp, then I see SIP TCP packets sent with
>> source port 3072 and destination port 5060.
>>
>> Has anyone seen this?  Maybe I'm missing a tag or there is something
>> weird happening in my TCP/IP stack?
>
> This is perfectly normal for TCP. The source port is not usually bind to any
> known value but system selects an ephemeral port for it.  (If it was, we
> would run into serious problems if the connection ever got
> closed.)
>
> --
> Pekka.Pessi mail at nokia.com
>
>



-- 
Pekka.Pessi mail at nokia.com

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