Re: conntrack_sip bug

[Patrick McHardy <kaber@trash.net>]

Andrew O. Zhukov wrote:
> 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.

There's a lot of addresses in there :) Could you please point to the
exact header which got rewritten incorrectly?

Also, please post the module parameters you're using when loading the
SIP conntrack/NAT modules.
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