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2017 Sep 01
5
Asterisk bugs make a right mess of RTP
http:/www.theregister.co.uk/2017/09/01/asterisk_admin_patch/
--
Dave Topping
e: info at dntopping.uk
t: 03445 888 888
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2017 Sep 01
2
Asterisk bugs make a right mess of RTP
...actually place calls. It's certainly a
> challenge.
>
> This is one of the things that WebRTC got right - information is
> conveyed that allows you to verify that the sender of media is who you
> expect.
>
> [1]
> https://github.com/EnableSecurity/advisories/tree/master/ES2017-04-
> asterisk-rtp-bleed
As Josh mentioned this is an issue with RTP and the SDP and when customers
use NAT you need a way to figure out what their external RTP IP is. One
option is to use IPv6 so the IP in the SDP is the one and only IP the media
should be coming from. Another option is to in...