[Freeswitch-users] Bad port when using rport

[Michael Collins]

This is what you received from the far end? That looks horribly broken. Time
to find out what device and what firewall.

-MC

On Wed, Aug 17, 2011 at 10:21 AM, Spencer Thomason <
spencer at 5ninesolutions.com> wrote:

> Hello all,
> Our FS server is on a public IP on a dedicated server at one location and
> all clients are behind nat or vpn from other locations.  We have a few "road
> warrior" clients when our employees travel.  I'm seeing the following from
> one of the client devices.  I'm not sure of any of the details of the router
> (or have anyway to control it) but for some reason the rport is sent with an
> invalid port number.  Notice the 8 at the end of the port number is
> duplicated.  I'm seeing the same behavior from both a Bria client and
> Zoiper.  Is there any way to work around this?
>
>
> An excerpt from Wireshark:
>
>    466 2011-08-17 11:36:04.432912 80.34.4.95            206.125.40.171
>    SIP      Request: REGISTER sip:x.x.x.x
>
> Internet Protocol, Src: 80.34.4.95 (80.34.4.95), Dst: 206.125.40.171
> (x.x.x.x)
> User Datagram Protocol, Src Port: 56238 (56238), Dst Port: sip (5060)
> Session Initiation Protocol
>    Request-Line: REGISTER sip:x.x.x.x SIP/2.0
>    Message Header
>        Via: SIP/2.0/UDP 80.34.4.95:562388
> ;rport;branch=z9hG4bKPjSAbzV32ywqJ8xWjWLx81Ml6oQcNlrM.s
>        Max-Forwards: 70
>        From: "XXXX" <sip:1001 at x.x.x.x
> >;tag=rPFQBJFIKAQpE88mHeiZ7ic59suQY70w
>        To: "XXXX" <sip:1001 at x.x.x.x>
>        Call-ID: awr-KAMoJpMYEt2mqkOkknkRrCXUj.Jv
>        CSeq: 27137 REGISTER
>        User-Agent: Bria iPhone 1.2.12
>        Contact: "XXXX" <sip:1001 at 80.34.4.95:562388>
>        Expires: 900
>        Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, SUBSCRIBE, NOTIFY,
> REFER, MESSAGE, OPTIONS
>        Content-Length:  0
>
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