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Unknown Port Activation

Question asked by guenter.j Partner on Oct 7, 2015



after installing a new firewall and opened the recommended ports we are not able to dial out from a clearsea-client (on-premise) to public vc-systems, (tested it with a cloud-client).

Dial-in works fine.

When dialing out to the cloud-client there was a blocked incomming request on Port 1433 , after permit this communication it works.

Port 1433 normally is used for SQL-Server, why need the cloud client to communicate on this port, could not find anything about that in lifesize documentation.


Thanks for answers