The answer is to use chan_pjsip since chan_sip is all but dead, unsupported and
going away in v21. Instead of making chan_sip listen on all IPs then making a
bunch of firewall/filtering rules that block one of them from being used, use
chan_pjsip. It is the right solution as it is the supported driver and will
continue to see updates and bugfixes.
If you haven't started a migration from chan_sip to chan_pjsip yet, it is best
advised to make a migration plan and do it now. If there is a case where
something in chan_sip hasn't made it into chan_pjsip (or it did but hasn't been
really touched/updated since) and you really need that functionality, now is
the time to figure that out.
On 2022-07-15, 11:14 AM, "asterisk-users on behalf of Henning Follmann"
<asterisk-users-boun...@lists.digium.com on behalf of
hfollm...@itcfollmann.com> wrote:
On Fri, Jul 15, 2022 at 08:57:46AM -0300, Joshua C. Colp wrote:
> On Fri, Jul 15, 2022 at 1:37 AM David Cunningham
<dcunning...@voisonics.com>
> wrote:
>
> > Hello,
> >
> > We have an Asterisk server with 3 IP addresses, and need to listen on
only
> > 2 of those. This is with chan_sip. Does anyone know if it's possible?
> >
> > If Asterisk listens on the third address then it seems to cause problems
> > with the media address put in the SDP for our use case.
> >
>
> It's not. The chan_sip module allows you to bind to one thing, either a
> specific address or an any address.
>
Well...
maybe chan_sip cannot, but your OS can restrict traffic on any port/iface.
-H
--
Henning Follmann | hfollm...@itcfollmann.com
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