[Freeswitch-users] Acl to ignore mdns ice candidates generated by browsers

Babak Yakhchali babak.freeswitch at gmail.com
Wed May 13 10:33:46 UTC 2020

I could not find any way to filter out these candidates using acl on
freeswitch side. I ended up using sessionDescriptionHandlerFactoryOptions
Modifiers on sip js side to remove those candidates before sending sdp to

On Wed, Apr 29, 2020 at 11:39 AM Babak Yakhchali <babak.freeswitch at gmail.com>

> Hi
> I'm trying to use sipjs with freeswitch but the problem is freeswitch is
> accepting candidates like this:
> a=candidate:2131708102 1 udp 2113937151
> ad7f0d0b-7245-4c33-84af-fda3f2921d18.local 54385 typ host generation 0
> network-cost 999
> these are generated by mdns from browser and cause errors like
>  AUDIO RTP REPORTS ERROR: [Remote Address Error!]
> and then
> I tried wan_v4.auto as "apply-candidate-acl" but it is accepting those
> candidate too
> is there any builtin acl that I can use to make fs accept only public ipv4
> addresses?
> thanks
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