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@xxxxxxx>;tag=66346232..To:
<sip:2292694@xxxxxxx>;tag=as41f52f95..Call-ID:
1295544592-5060-4@xxxxxxxxxxxxxx
.....
..Contact: <sip:2292694@xxxxxxxxxxxxx>..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@xxxxxxx>;tag=66346232..To:
<sip:2292694@xxxxxxx>;tag=as41f52f95..C
all-ID: 1295544592-5060-4@xxxxxxxxxxxxxxxxxx: 31 INVITE..User-Agent:
Telegroup Ukraine..Allow: INVITE, ACK, CANCEL, OPTIO
NS, BYE, REFER, SUBSCRIBE, NOTIFY..Supported: replaces..Contact:
<sip:2292694@xxxxxxxxxxxxx>..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.
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