public int getSQLServerPort() throws GuacamoleException {
        return getProperty(
            SQLServerGuacamoleProperties.SQLSERVER_PORT,
            DEFAULT_PORT
        );
    }
Returns the port number of the SQLServer server hosting the Guacamole
authentication tables. If unspecified, this will be the default
SQLServer port of 5432.

@return
    The port number of the SQLServer server.

@throws GuacamoleException
    If an error occurs while retrieving the property value.
extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/java/org/apache/guacamole/auth/sqlserver/conf/SQLServerEnvironment.java