Checks if the specified port is open
    :param remoteServerHost: the host address
    :param port: port which needs to be checked
    :return: ``True`` if port is open, ``False`` otherwise

def checkPortIsOpen(remoteServerHost=ServerHost, port = Port):
    '''
    Checks if the specified port is open
    :param remoteServerHost: the host address
    :param port: port which needs to be checked
    :return: ``True`` if port is open, ``False`` otherwise
    '''
    remoteServerIP  = socket.gethostbyname(remoteServerHost)
    try:
        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        result = sock.connect_ex((remoteServerIP, int(port)))
        if result == 0:
            return True
        else :
            return False
        sock.close()
        #FIXME: the above line is unreachable

    except KeyboardInterrupt:
        print("You pressed Ctrl+C")
        sys.exit()

    except socket.gaierror:
        print('Hostname could not be resolved. Exiting')
        sys.exit()

    except socket.error:
        print("Couldn't connect to server")
        sys.exit()