conntrack_sip bug

["Andrew O. Zhukov" <andre@telegroup.com.ua>]

No answers from netfilter list.

I can exactly show the point where how this bug appeared include dumps 
from all points.


Andrew O. Zhukov пишет:
> Кernel 2.6.25.14-69.fc8
> iptables-1.4.1.1-1.fc8.x86_64.rpm
> 
> followed trouble:
> 
> SIP gw                  Fedora               SipProxy      Аsterisk
> 192.168.2.24   192.168.2.1 666.666.34.46  555.555.184.13  555.555.184.13
> 
> Sip proxy without RTP proxy for not nat cusomers. It considetate SIP GW 
> as 666.666.34.46 and do not switch on RTP proxy.
> 
> call from SIP GW to Asterisk. Dump from Fedorа:
> 
> U 2009/03/05 21:00:11.899191 555.555.184.13:5060 -> 192.168.2.24:5060
>   SIP/2.0 183 Session Progress..Via: SIP/2.0/UDP 
> 555.555.184.13:5060;branch=z9hG4bK878912355;rport=1025..From: "212ua1" <sip
>   :101563@xxx.com>;tag=66346232..To: 
> <sip:2292694@xxx.com>;tag=as41f52f95..Call-ID: 
> 1295544592-5060-4@192.168.2.24..
> .....
> ..Contact: <sip:2292694@555.555.184.2>..Content-Type: 
> application/sdp..Content-Length: 263....v=0..o=root 277
>   97 27797 IN IP4 555.555.184.2..s=session..c=IN IP4 555.555.184.2..t=0
> 
> ---
> 180 Ringing without sdp
> ---
> 
> U 2009/03/05 21:00:20.753646 555.555.184.13:5060 -> 192.168.2.24:5060
>   SIP/2.0 200 OK..Via: SIP/2.0/UDP 
> 555.555.184.13:5060;branch=z9hG4bK878912355;rport=1025..Record-Route: 
> <sip:555.555.184.13;
>   lr=on;ftag=66346232>..From: "212ua1" 
> <sip:101563@xxx.com>;tag=66346232..To: 
> <sip:2292694@xxx.com>;tag=as41f52f95..C
>   all-ID: 1295544592-5060-4@192.168.2.24..CSeq: 31 INVITE..User-Agent: 
> Telegroup Ukraine..Allow: INVITE, ACK, CANCEL, OPTIO
>   NS, BYE, REFER, SUBSCRIBE, NOTIFY..Supported: replaces..Contact: 
> <sip:2292694@555.555.184.2>..Content-Type: application/sd
>   p..Content-Length: 265....v=0..o=root 27797 27798 IN IP4 
> 555.555.184.13..s=session..c=IN IP4 555.555.184.13..t=0 0..m=audio
>    29444 RTP/AVP 18 101..a=rtpmap:18 G729/8000..a=fmtp:18 
> annexb=no..a=rtpmap:101 telephone-event/8000..a=fmtp:101 0-16..a=
>   silenceSupp:off - - - -..a=ptime:20..a=sendrecv..
> 
> in the "OK" message Аsterisk ip addresses in SDP changed to the ip 
> addresses of SipProxy by sip_conntrack. I can provide DUMP from the 
> SipProxy and the complete set of dumps for developers.
> 
> Thanks in advance.
> 
> 


-- 
Andrew O. Zhukov
Telegroup Ukraine
Technical director.
--
To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html