Howdy, I'm running into an issue with a load testing tool I'm using generating arbitrary REGISTER messages to opensips 1.4.5. Note, this is not a retransmit. (Note, personal info like IPs obfuscated).
REGISTER sip:1.2.3.4 <sip:205.139.46.237> SIP/2.0. Max-Forwards: 70. Via: SIP/2.0/UDP 4.3.2.1:6701;branch=z9hG4bK11-453d6165-0029-1843224199. Call-ID: 841-090708015608-1269668...@453d6165. *CSeq: 532839396 REGISTER*. From: <sip:[email protected] <sip%[email protected]> >;tag=11044-453d6165-090708015608-1273695453. To: <sip:[email protected] <sip%[email protected]>>. Contact: <sip:[email protected]:6701;transport=udp>. Expires: 3600. Accept: application/sdp, application/dtmf-relay. Content-Length: 0. . SIP/2.0 400 Bad Request. Via: SIP/2.0/UDP 4.3.2.1;branch=z9hG4bK11-453d6165-0029-1843224199;rport=6701. Call-ID: 841-090708015608-1269668...@453d6165. CSeq: 532839396 REGISTER. From: <sip:[email protected] <sip%[email protected]> >;tag=11044-453d6165-090708015608-1273695453. To: <sip:[email protected] <sip%[email protected]> >;tag=d956cb2540203ca43d36f1e0fd077845.d8d0. Contact: <sip:[email protected]:6701;transport=udp>;expires=21;received="sip: 1.2.3.4:6701". *P-Registrar-Error: Invalid CSeq number.* Server: OpenSIPS SIP r-1.4.5. I believe the problem is that the cseq number is to the order of 5*10^8. According to the RFC (and a handy post I found from the Sip-Implementors mailing list, see here: https://lists.cs.columbia.edu/pipermail/sip-implementors/2007-February/015380.html), we should be able to have an initial CSeq value up to 2^31-1, or around 2*10^9 (positive). Unfortunately, it's being generated completely randomly, and the vendor has said there doesn't seem to be an issue on their end with their scheme on generating this or a way to change it. All the logging that I can tell on the OpenSIPS side points to the CSeq just being completely invalid; I've ran into retransmits with the same CSeq before causing this issue, but that's not what appears to be happening here. Any insight into this issue? Thanks.
_______________________________________________ Users mailing list [email protected] http://lists.opensips.org/cgi-bin/mailman/listinfo/users
