[SR-Users] Issue with 4.2.0 and nathelper and/or rtpproxy
Daniel-Constantin Mierla
miconda at gmail.com
Fri Nov 21 11:58:49 CET 2014
Hello,
the commits you refer to were not related to nat_uac_test() function.
Can you send the sip message for which you used the test and is
different than in the old versions?
Cheers,
Daniel
On 21/11/14 11:16, Igor Potjevlesch wrote:
>
> Hello,
>
>
>
> Just to let you know that I tried also with 4.2.1 and the issue is the
> same.
>
> Regards,
>
>
>
> Igor.
>
>
>
> *De :*Igor Potjevlesch [mailto:igor.potjevlesch at gmail.com]
> *Envoyé :* jeudi 20 novembre 2014 17:00
> *À :* 'Kamailio (SER) - Users Mailing List'
> *Objet :* RE: [SR-Users] Issue with 4.2.0 and nathelper and/or rtpproxy
>
>
>
> Hello,
>
>
>
> No one has experienced the same issue or similar until 4.2.0?
>
> Regards,
>
>
>
> Igor.
>
>
>
> *De :*Igor Potjevlesch [mailto:igor.potjevlesch at gmail.com]
> *Envoyé :* mercredi 19 novembre 2014 12:29
> *À :* 'Kamailio (SER) - Users Mailing List'
> *Objet :* RE: [SR-Users] Issue with 4.2.0 and nathelper and/or rtpproxy
>
>
>
> Hello,
>
>
>
> I reviewed the changelogs.
>
> I can see the following updates that could change the previous behaviour:
>
>
>
> commit 42897d422b60edeac393201326a3e71318445e62
>
> Author: Daniel-Constantin Mierla <miconda at gmail.com
> <mailto:miconda at gmail.com>>
>
> Date: Mon Sep 22 22:04:39 2014 +0200
>
>
>
> core: add received parameter to via if rport parameter is present
>
>
>
> - required by RFC3581, section 4.
>
>
>
> (cherry picked from commit a1e96cbd5a3b43598c59cb50693e6b739801b804)
>
>
>
> commit a52c0024723a59d90c3c3966d5deadaf8b0d4440
>
> Author: Daniel-Constantin Mierla <miconda at gmail.com
> <mailto:miconda at gmail.com>>
>
> Date: Sun Sep 28 12:48:53 2014 +0200
>
>
>
> core: helper functions to get addr and port to be used in
> signaling from socket info
>
> (cherry picked from commit c725f1dec14863e069bfd1e5c26857a1005528d5)
>
>
>
> But I can't explain why the same nat_uac_test doesn't behaves the same
> between the two versions.
>
>
>
> Regards,
>
>
>
> Igor.
>
>
>
> *De :*Igor Potjevlesch [mailto:igor.potjevlesch at gmail.com]
> *Envoyé :* mardi 18 novembre 2014 14:00
> *À :* amit at avhan.com <mailto:amit at avhan.com>; 'Kamailio (SER) - Users
> Mailing List'
> *Objet :* RE: [SR-Users] Issue with 4.2.0 and nathelper and/or rtpproxy
>
>
>
> Hi Amit,
>
>
>
> The config is the same between the two version. Even this line.
>
>
>
> Regards,
>
>
>
> Igor.
>
>
>
> *De :*sr-users-bounces at lists.sip-router.org
> <mailto:sr-users-bounces at lists.sip-router.org>
> [mailto:sr-users-bounces at lists.sip-router.org] *De la part de* Amit Patkar
> *Envoyé :* mardi 18 novembre 2014 13:16
> *À :* sr-users at lists.sip-router.org <mailto:sr-users at lists.sip-router.org>
> *Objet :* Re: [SR-Users] Issue with 4.2.0 and nathelper and/or rtpproxy
>
>
>
> Hi
>
> You should compare this line in your configuration file.
>
> if (nat_uac_test("*18*")) {
>
> It may be using different parameters.
>
> *Regards,*
>
> Amit
>
>
>
>
> On 11/18/2014 5:23 PM, Igor Potjevlesch wrote:
>
> Hello,
>
>
>
> I can reproduce the issue on a pre-production system.
>
> So, I downgraded to 4.1.5.
>
>
>
> Here is the difference:
>
> The INVITE comes into NATDETECT:
>
>
>
> route[NATDETECT] {
>
> xlog("ENTERING NATDETECT routes\n");
>
> #!ifdef WITH_NAT
>
> force_rport();
>
> if (nat_uac_test("18")) {
>
> if (is_method("REGISTER")) {
>
> fix_nated_register();
>
> } else {
>
> add_contact_alias();
>
> }
>
> setflag(FLT_NATS);
>
> xlog("NAT_UAC_TEST OK\n");
>
> }
>
> #!endif
>
> return;
>
> }
>
>
>
> With Kamailio 4.2.0, the NAT_UAC_TEST returns true whereas with
> 4.1.5 returns false.
>
>
>
> I also look at the “force_rport”. I’m not sure if it’s related,
> but with 4.2.0, the Via looks like:
>
> Via: SIP/2.0/UDP
> PST_GW:5060;received=PST_GW;rport=5060;branch=z9hG4bK-34d5-1416308856-4847-441\r\n
>
>
>
> In 4.1.5:
>
> Via: SIP/2.0/UDP
> PST_GW:5060;rport=5060;branch=z9hG4bK-2e3d-1416311184-4886-146\r\n
>
>
>
> The received parameters is not added. Note that PSTN_GW refers to
> a public IP address (out of RFC1918 and Carrier Grade NAT).
>
>
>
> Regards,
>
>
>
> Igor.
>
>
>
> *De :*Igor Potjevlesch [mailto:igor.potjevlesch at gmail.com]
> *Envoyé :* mardi 18 novembre 2014 11:43
> *À :* sr-users at lists.sip-router.org
> <mailto:users at lists.sip-router.org>
> *Objet :* Issue with 4.2.0 and nathelper and/or rtpproxy
>
>
>
> Hello,
>
>
>
> Since I done the upgrade of Kamailio into 4.2.0, there are, at
> least, one new case where the RTPProxy is launched.
>
>
>
> When I got an INVITE from my PSTN Gateway, for unknown reason (and
> not for all calls), Record-Route is append with nat=yes. I looked
> into an old trace and this behaviour didn’t exist.
>
>
>
> What could have changed that can explain this?
>
>
>
> Regards,
>
>
>
> Igor.
>
>
>
>
>
>
>
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>
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>
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>
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>
>
>
>
>
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--
Daniel-Constantin Mierla
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
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