Note: The
identity=id_client.pem;identity_password=pwd segments of the stream parameter are only required if you use a Relay Server HTTPS port (requires client certificate mutual authentication). This configuration allows the Relay Server to block denial-of-service attacks at the periphery of you network, should you require that degree of security.
These certificates are personal certificate for the specific user. Typically this file type is not included as part of the application, but separately-installed by the user. In this case, ensure the application prompts the user for the filename and password of that certificate and save it to this parameter.