我收到“ PermissionError：[Errno 13]权限被拒绝”

Question

输入'python3 server.py --port 445'时出现此错误

**Traceback (most recent call last):
  File "server.py", line 1241, in <module>
    main()
  File "server.py", line 144, in main
    globals()['c2'] = C2(host=options.host, port=options.port, db=options.database)
  File "server.py", line 183, in __init__
    self.socket = self._socket(port)
  File "server.py", line 398, in _socket
    s.bind(('0.0.0.0', port))
PermissionError: [Errno 13] Permission denied**