Re: [SR-Users] Kamailio, spiral with TM

2010-07-09 Thread David
"Just make sure if a user fakes the internal headers, that they are not able to exploit something in your setup" Hey, I am using a few custom headers. All the custom headers , except the NAT one, are authenticated using IP, if the IP doesn't match, the packet is rejected ( or dropped ). (

Re: [SR-Users] Kamailio, spiral with TM

2010-07-08 Thread Klaus Darilion
Am 08.07.2010 15:09, schrieb David: Hey, OK, so after further research, I found that the trouble was not in fact in the transaction, the trouble was with fix_nated_contact(); So I setup a spiral SIP path. I have a public server that is used by a bunch of different phones, and I have a alg ser

Re: [SR-Users] Kamailio, spiral with TM

2010-07-08 Thread David
Hey, OK, so after further research, I found that the trouble was not in fact in the transaction, the trouble was with fix_nated_contact(); So I setup a spiral SIP path. I have a public server that is used by a bunch of different phones, and I have a alg server ( one public and one private).

Re: [SR-Users] Kamailio, spiral with TM

2010-07-08 Thread Klaus Darilion
Am 08.07.2010 00:53, schrieb David: Hey, I do not do anything IP level forwarding. All my forwarding is done using Kamailio. It looks like what I am doing is called hairpin routing. I think the correct term is "spiral" - at least the RFC uses this term. How do you forward the request - t_re

Re: [SR-Users] Kamailio, spiral with TM

2010-07-08 Thread Daniel-Constantin Mierla
Hello, post the sip trace (e.g., ngrep) with such invites. Cheers, Daniel On 7/8/10 12:53 AM, David wrote: Hey, I do not do anything IP level forwarding. All my forwarding is done using Kamailio. It looks like what I am doing is called hairpin routing. Thanks, David On 2010-07-07 18:48,

Re: [SR-Users] Kamailio, spiral with TM

2010-07-07 Thread David
Hey, I do not do anything IP level forwarding. All my forwarding is done using Kamailio. It looks like what I am doing is called hairpin routing. Thanks, David On 2010-07-07 18:48, Timo Reimann wrote: Hi, David wrote: I have setup two Kamailio servers, my INVITEs will go through serv

Re: [SR-Users] Kamailio, spiral with TM

2010-07-07 Thread Timo Reimann
Hi, David wrote: > I have setup two Kamailio servers, my INVITEs will go through server A, > which forwards to server B which forwards it back to server A. > > This is intential, the trouble is when the packet comes back through > server B, nothing has changed so TM sees it as a retransmission.

[SR-Users] Kamailio, spiral with TM

2010-07-07 Thread David
Hey, I have setup two Kamailio servers, my INVITEs will go through server A, which forwards to server B which forwards it back to server A. This is intential, the trouble is when the packet comes back through server B, nothing has changed so TM sees it as a retransmission. The difference be