[Users] Strange behaviour

[Daniel-Constantin Mierla]

Hello,

the reply is routed based in VIA header. Use force_rport() to force 
using source port instead if VIA port.

http://openser.org/dokuwiki/doku.php/core-cookbook:1.2.x#force_rport

Cheers,
Daniel


On 04/26/07 15:42, Ronnie Flink wrote:
> Hi,
>
> We have openser (currently 1.1.1) deployed in our iptel-solution and almost
> everything seems to work ok but one strange thing has come up.
> A user has a few Dlink DVG-2001S (behind a net-hide firewall) that tries to
> register but doesn't succeed and my guess is that openser sends the reply to
> the incorrect port and there firewall blocks this. A small ngrep-dump of the
> session:
>
>
> U 2007/04/24 11:40:12.620330 xx.xx.243.11:3710 -> xx.xxx.248.10:5060
> REGISTER sip:sip.domain.tld SIP/2.0.
> Via: SIP/2.0/UDP 192.168.0.164:5060;branch=z9hG4bK8294fce7242e1605.
> Max-Forwards: 70.
> From: xx55551904 <sip:xx55551904 at sip.domain.tld>;tag=1c2bcb8b48c89388.
> To: xx55551904 <sip:xx55551904 at sip.domain.tld>.
> Call-ID: fec625fb04d0f004 at 192.168.0.164.
> CSeq: 1 REGISTER.
> Contact: *.
> Expires: 0.
> Allow: INVITE, ACK, CANCEL, BYE, REFER, NOTIFY, OPTIONS, INFO.
> Content-Length: 0.
> .
>
> U 2007/04/24 11:40:12.620555 xx.xxx.248.10:5060 -> xx.xxx.243.11:5060
> SIP/2.0 100 Trying.
> Via: SIP/2.0/UDP
> 192.168.0.164:5060;branch=z9hG4bK8294fce7242e1605;received=xx.xxx.243.11.
> From: xx55551904 <sip:xx55551904 at sip.domain.tld>;tag=1c2bcb8b48c89388.
> To: xx55551904 <sip:xx55551904 at sip.domain.tld>.
> Call-ID: fec625fb04d0f004 at 192.168.0.164.
> CSeq: 1 REGISTER.
> Server: OpenSer (1.1.1-tls (i386/linux)).
> Content-Length: 0.
> Warning: 392 xx.xxx.248.10:5060 "Noisy feedback tells:  pid=23636
> req_src_ip=xx.xxx.243.11 req_src_port=3710 in_uri=sip:sip.domain.tld
> out_uri=sip
> :sip.domain.tld via_cnt==1".
>
>
>
> Does anyone have a guess what might be causing openser to send the reply to
> the wrong port ?
> The openser-box has a live internet-ip and and isn't behind any type of
> firewall or nat-device.
> I think all client nat-stuff is correct since it seems to work with other
> customers that are behind net-hide firewalls (broadband-routers).
>
>
>
> /Thanks in advance - Ronnie Flink
>
>
>
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