[SR-Users] SRTP-DTLS and rtpengine

Richard Fuchs rfuchs at sipwise.com
Sat Sep 12 13:46:54 CEST 2020

On 12/09/2020 05.51, Gholamreza Sabery wrote:
> Hi,
> I checked rtpengine's documentation, and I wonder what happens if I 
> use SRTP-DTLS with rtpengine? My connection will be hop by hop 
> encrypted with rtpengine, or like TURN my connection will remain 
> end-to-end encrypted??

In most cases, rtpengine will act as the DTLS termination point. There 
is however a special passthrough mode, which is enabled when 
ICE=force-relay mode is used, and then rtpengine will simply pass the 
DTLS packets through (because it cannot guarantee that it will even get 
to see them).


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