Re: [SR-Users] t_relay changing source IP?

-- Henning Westerholt – https://skalatan.de/blog/ Kamailio services – https://gilawa.com -----Original Message----- From: sr-users sr-users-bounces@lists.kamailio.org On Behalf Of Brooks Bridges Sent: Tuesday, October 26, 2021 5:00 PM To: Kamailio (SER) - Users Mailing List sr-users@lists.kamailio.org Subject: Re: [SR-Users] t_relay changing source IP? We are using UDP everywhere currently. TCP is on the roadmap, but not implemented yet except for xhttp_rpc communication. -----Original Message----- From: Daniel-Constantin Mierla miconda@gmail.com Sent: Monday, October 25, 2021 11:29 PM To: Kamailio (SER) - Users Mailing List sr-users@lists.kamailio.org; Brooks Bridges bbridges@call48.com Subject: Re: [SR-Users] t_relay changing source IP? Hello, what is the outgoing transport protocol? UDP or TCP/TLS? Cheers, Daniel On 26.10.21 00:51, Brooks Bridges wrote: > apologies, I missed the second half of your post. We do not, and I know I could explicitly tell it to use that IP, however I am more interested in figuring out what might cause it to decide to use the interface IP, seemingly without a clear reason. I am not a fan of static configuration of things like that in shared environments. > > -----Original Message----- > From: Brooks Bridges > Sent: Monday, October 25, 2021 3:48 PM > To: Kamailio (SER) - Users Mailing List sr-users@lists.kamailio.org > Subject: RE: [SR-Users] t_relay changing source IP? > > Correct. > > listen=lo:5060 > listen=eth0:5060 > listen=eth1:5060 > listen=XXX.XXX.XXX.XXX:5060 (<--- HA IP) > > -----Original Message----- > From: sr-users sr-users-bounces@lists.kamailio.org On Behalf Of Alex > Balashov > Sent: Monday, October 25, 2021 3:35 PM > To: Kamailio (SER) - Users Mailing List sr-users@lists.kamailio.org > Subject: Re: [SR-Users] t_relay changing source IP? > > I take it you have listeners on both the interface IP and the HA IP? > > Absent ‘mhomed=1’, do you regulate egress interface selection for all t_relay() cases with $fs explicitly? If not, try that. > >> On Oct 25, 2021, at 6:25 PM, Brooks Bridges bbridges@call48.com wrote: >> >> That's been set to 0 since inception and this has just recently become an issue. >> >> -----Original Message----- >> From: sr-users sr-users-bounces@lists.kamailio.org On Behalf Of >> Alex Balashov >> Sent: Monday, October 25, 2021 3:19 PM >> To: Kamailio (SER) - Users Mailing List sr-users@lists.kamailio.org >> Subject: Re: [SR-Users] t_relay changing source IP? >> >> Does the behaviour differ depending on whether ‘mhomed’ is on? >> >> https://www.kamailio.org/wiki/cookbooks/5.5.x/core#mhomed >> >>> On Oct 25, 2021, at 6:15 PM, Brooks Bridges bbridges@call48.com wrote: >>> >>> So we have a box that's bound to all interfaces on the server, and one specific IP address (that is an HA IP), and I've run into a bit of an odd behavior that I cannot explain. >>> >>> For 99.9999% of our traffic, the invites come into the HA IP, and then are forwareded out the HA IP to an SBC for further processing. In a very rare instance however, I have found that there is an invite coming in the HA IP, and for some unknown reason it gets forwarded out the *interface* ip instead of the HA IP. >>> >>> For example: >>> >>> Working: >>> 1.2.3.4 -- invite --> 9.8.7.6 (ha IP) -- invite --> 5.6.7.8 (sbc) >>> >>> Non working: >>> 1.2.3.4 -- invite --> 9.8.7.6 (ha IP) *something happens here* >>> 9.8.7.5 (interface IP) -- invite --> 5.6.7.8 (sbc) >>> >>> I've been through tm, tmx, and the incoming invite of a working and non working request with a fine toothed comb and I cannot for the life of me explain this behavior. Any thoughts? >>> Confidentiality Notice: This e-mail, and any attachment to it, contains privileged and confidential information intended only for the use of the individual(s) or entity named on the e-mail. If the reader of this e-mail is not the intended recipient, or the employee or agent responsible for delivering it to the intended recipient, you are hereby notified that reading this e-mail is strictly prohibited. If you have received this e-mail in error, please immediately return it to the sender and delete it from your system. >>> >>> __________________________________________________________ >>> Kamailio - Users Mailing List - Non Commercial Discussions >>> * sr-users@lists.kamailio.org >>> Important: keep the mailing list in the recipients, do not reply only to the sender! >>> Edit mailing list options or unsubscribe: >>> * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >> -- >> Alex Balashov | Principal | Evariste Systems LLC >> >> Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free) >> Web: http://www.evaristesys.com/, http://www.csrpswitch.com/ >> >> >> __________________________________________________________ >> Kamailio - Users Mailing List - Non Commercial Discussions >> * sr-users@lists.kamailio.org >> Important: keep the mailing list in the recipients, do not reply only to the sender! >> Edit mailing list options or unsubscribe: >> * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >> Confidentiality Notice: This e-mail, and any attachment to it, contains privileged and confidential information intended only for the use of the individual(s) or entity named on the e-mail. If the reader of this e-mail is not the intended recipient, or the employee or agent responsible for delivering it to the intended recipient, you are hereby notified that reading this e-mail is strictly prohibited. If you have received this e-mail in error, please immediately return it to the sender and delete it from your system. >> __________________________________________________________ >> Kamailio - Users Mailing List - Non Commercial Discussions >> * sr-users@lists.kamailio.org >> Important: keep the mailing list in the recipients, do not reply only to the sender! >> Edit mailing list options or unsubscribe: >> * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users > -- > Alex Balashov | Principal | Evariste Systems LLC > > Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free) > Web: http://www.evaristesys.com/, http://www.csrpswitch.com/ > > > __________________________________________________________ > Kamailio - Users Mailing List - Non Commercial Discussions > * sr-users@lists.kamailio.org > Important: keep the mailing list in the recipients, do not reply only to the sender! > Edit mailing list options or unsubscribe: > * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users > Confidentiality Notice: This e-mail, and any attachment to it, contains privileged and confidential information intended only for the use of the individual(s) or entity named on the e-mail. If the reader of this e-mail is not the intended recipient, or the employee or agent responsible for delivering it to the intended recipient, you are hereby notified that reading this e-mail is strictly prohibited. If you have received this e-mail in error, please immediately return it to the sender and delete it from your system. > __________________________________________________________ > Kamailio - Users Mailing List - Non Commercial Discussions > * sr-users@lists.kamailio.org > Important: keep the mailing list in the recipients, do not reply only to the sender! > Edit mailing list options or unsubscribe: > * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users -- Daniel-Constantin Mierla -- www.asipto.com www.twitter.com/miconda -- www.linkedin.com/in/miconda Kamailio Advanced Training - Online Nov 08-11, 2021 (Europe Timezone) - Nov 22-25, 2021 (America Timezone) * https://www.asipto.com/sw/kamailio-advanced-training-online/ Confidentiality Notice: This e-mail, and any attachment to it, contains privileged and confidential information intended only for the use of the individual(s) or entity named on the e-mail. If the reader of this e-mail is not the intended recipient, or the employee or agent responsible for delivering it to the intended recipient, you are hereby notified that reading this e-mail is strictly prohibited. If you have received this e-mail in error, please immediately return it to the sender and delete it from your system. __________________________________________________________ Kamailio - Users Mailing List - Non Commercial Discussions * sr-users@lists.kamailio.org Important: keep the mailing list in the recipients, do not reply only to the sender! Edit mailing list options or unsubscribe: * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users