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08-01-2024 05:56 AM
Howdy Folks,
Trying to learn more about the STUN application. Wondering if any other enterprises are allowing this application. I know the applipedia says its not high risk but it also seems like it uses a variety of ports. Don't know much about it but in this case I can make a rule based on destination and Application/protocol.
Thanks,
Erich
08-01-2024 07:30 AM
Hi @E.Hartmann
You will keep using the stun application, rembember App-ID is a signature, so is based in protocol, ports, behavior
So the stun used tcp and udp protocol over port number 3478
In your security rule use application: stun, Service: application-default and define the specific source and destination that you want to use this application
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