[Freeswitch-users] REGISTER response sent to the wrong por

[Michael Collins]

Is your freeswitch also behind it's own firewall? If not then you probably
want to use the external.xml file as the basis for your public-facing SIP
ports. Some folks have simply renamed external.xml to internal.xml and
vice-versa.
-MC

On Fri, Jul 1, 2011 at 12:37 PM, Dave Horton <dave at dchorton.com> wrote:

>
> I have a phone behind a firewall registering with the internal profile.
>  The address in the Via header is not reachable, and the FS (correctly, IMO)
> sends the response back to the actual sending IP address.  However, rather
> than sending it to the actual sending udp port, it incorrectly (again, IMO)
> sends it to the port advertised in the Via header.  Of course the message
> does not get through the firewall, and the phone keeps retransmitting the
> REGISTER.
>
> Is this a bug, or am I missing something?  And is there a setting where I
> can force the behavior that I want (which is: send responses to the sending
> address:port if the sending address:port is different than the Via header).
>
> Trace below..
>
>
> recv 481 bytes from udp/[66.37.97.53]:1024 at 19:28:12.445081:
>   ------------------------------------------------------------------------
>   REGISTER sip:65.162.239.204 SIP/2.0
>   Via: SIP/2.0/UDP 10.93.14.119:5064;branch=z9hG4bK-e73de4bf
>   From: "1002" <sip:1002 at 65.162.239.204>;tag=7718f2af7f3dcc73o2
>   To: "1002" <sip:1002 at 65.162.239.204>
>   Call-ID: 930c7e31-648ae3db at 10.93.14.119
>   CSeq: 53622 REGISTER
>   Max-Forwards: 70
>   Contact: "1002" <sip:1002 at 10.93.14.119:5064>;expires=3600
>   User-Agent: Linksys/SPA962-5.2.8(SC)
>   Content-Length: 0
>   Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER
>   Supported: replaces
>
>   ------------------------------------------------------------------------
> send 671 bytes to udp/[66.37.97.53]:5064 at 19:28:12.445259:
>   ------------------------------------------------------------------------
>   SIP/2.0 401 Unauthorized
>   Via: SIP/2.0/UDP 10.93.14.119:5064
> ;branch=z9hG4bK-e73de4bf;received=66.37.97.53
>   From: "1002" <sip:1002 at 65.162.239.204>;tag=7718f2af7f3dcc73o2
>   To: "1002" <sip:1002 at 65.162.239.204>;tag=t1m9emDKB4trF
>   Call-ID: 930c7e31-648ae3db at 10.93.14.119
>   CSeq: 53622 REGISTER
>   User-Agent: FreeSWITCH-mod_sofia/1.0.head-git-25c725c 2011-06-30 18-30-24
> -0500
>   Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO,
> REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE
>   Supported: timer, precondition, path, replaces
>   WWW-Authenticate: Digest realm="65.162.239.204",
> nonce="7e426985-2f7a-40ff-a817-6c167207853f", algorithm=MD5, qop="auth"
>   Content-Length: 0
>
>
>
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