[Fiware-creatifi-coaching] [FIWARE-JIRA] (HELC-1269) [CreatiFI Benelux Hub] Kurento - client/browser behind double NAT

[Silvio Cretti (JIRA)]

Dear Andrea,
following the reply from the Kurento expert:
BR
**********************
STUN based ICE only works in direct connection to Internet and with Endpoint Independent NATS. In order to assure connection in any network condition is required to provide also a TURN server with UDP and TCP support.
Coturn (https://github.com/coturn/coturn) is one alternative to be used as TURN server. In order to make it work as a WebRTC relay following minimum configuration is required
fingerprint
lt-cred-mech
realm=mydomain.com
no-stdout-log
user=$TURN_USERNAME:$TURN_PASSWORD
external-ip=$public_ip/$local_ip

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Silvio Cretti created HELC-1269:
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             Summary: [Fiware-creatifi-coaching] [CreatiFI Benelux Hub] Kurento - client/browser behind double NAT
                 Key: HELC-1269
                 URL: https://jira.fiware.org/browse/HELC-1269
             Project: Help-Coaches-Desk
          Issue Type: extRequest
          Components: CreatiFI
            Reporter: FW External User
            Assignee: Silvio Cretti


Dear FIWARE coach,
we forward you a support request received from a CreatiFI applicant we are
not able to solve.
Please let us know if you need direct contact with the submitter.
Thanks.

**********************************************

We installed Kurento on Google Cloud and it is working fine as long as the
clients are behind a single NAT.
We tested on Kurento tutorial 1 and tutorial 4.

But from the moment the clients/browsers are behind several NATs they do
not seem to be able to stream to each other anymore.
At the moment we only use STUN. We tried to use the Numb STUN as proposed
on the Kurento documentation but we cannot get that to work... .

If TURN is the solution, can someone help us to get the numb to work?

**********************************************

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[Created via e-mail received from: Andrea Maestrini <amaestrini at create-net.org>]

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