[SR-Users] Kamailio behind NAT or With Public IP - Which one is highly recommended

[PICCORO McKAY Lenz]

El mar., 26 de feb. de 2019 a la(s) 17:53, Alex Balashov (
abalashov at evaristesys.com) escribió:

> I third that. NAT by definition adds complications and overhead, even if
>
i agree with! i currently have a confusion: as i pointed here:
https://lists.kamailio.org/pipermail/sr-users/2019-February/104862.html
i have kamailio+rtpproxy/rtpengine and asterisk in realtime mode
but if i not bind the asterisk ports agains the public ip there's its no
sound..
i mean, i want only let rtpproxy/rtpengine (whatever of two no both) only
agains public ip


> is nowadays to deploy Kamailio in NAT-only environments such as AWS.
>
i cannot find some info about deploy agains AWS flavored OS,
where the public ip are kind of NAT.. and cannot take as real interface ...
some help with that are appreciated!



>
> On Tue, Feb 26, 2019 at 01:47:36PM -0800, Joel Serrano wrote:
>
> > I second that. And to add to Henning's suggestion...
> >
> > We recently tested that same setup, and we found one "thing": Using
> > advertise, you will need a second port (listen transport:ip:port) to talk
> > to internal servers that require you to *keep* the private IP. Otherwise
> > all outgoing request from that kamailio will have the IP replaced by
> > whatever the advertise says and that can mess up your internal routing.
> >
> > Not an issue, as I said you can configure a second port, but just
> something
> > to know depending on what your setup is gong to look like.
> >
> > Good luck!
> > Joel.
> >
> > On Tue, Feb 26, 2019 at 1:28 PM Henning Westerholt <hw at kamailio.org>
> wrote:
> >
> > > Am Dienstag, 26. Februar 2019, 06:09:08 CET schrieb Pintu Lohar:
> > > > Which one among the below option is highly recommended for setting up
> > > > Kamailio (for production)
> > > >   1.  Kamailio behind NAT *or*
> > > >    2. Setting up Kamailio using public IP?
> > > >
> > > >  are there any disadvantages if we setup Kamailio behind NAT and use
> > > > advertise option in listen parameters?
> > > >
> > > > We have tested both the options, and both the options work great for
> us(
> > > a.
> > > > Kamailio behind NAT with advertising in listen parameters b.Kamailio
> > > setup
> > > > with public IP).  So wondering which one is best and highly
> recommended?
> > > >
> > > > Some extra info :
> > > > 1. We use TLS
> > > > 2. Using coturn for media
> > >
> > > Hello Pintu,
> > >
> > > generally speaking, if you have the choice between a network setup with
> > > NAT
> > > and without NAT (everything else equal) - my recommendation would to
> > > choose
> > > the one without NAT. It will be easier to debug in case of problems on
> > > your
> > > side or the client side.
> > >
> > > Best regards,
> > >
> > > Henning
> > >
> > > --
> > > Henning Westerholt - https://skalatan.de/blog/
> > > Kamailio services - https://skalatan.de/services
> > > Kamailio security assessment - https://skalatan.de/de/assessment
> > >
> > > _______________________________________________
> > > Kamailio (SER) - Users Mailing List
> > > sr-users at lists.kamailio.org
> > > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
> > >
>
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>
>
> --
> 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/
>
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