但是，如果您的网络阻塞端口8081和1533上的TCP通信，那么可以考虑启用这个选项。

If you are dealing with a network that blocks TCP communications on ports 8081 and 1533, though, you might consider enabling this option.

youdao

确认远程FTP端口没有阻塞。

Check that the remote FTP port is not blocked.

youdao

注意不要让iptable阻塞使用端口80的连接。

Make sure you don't have iptable blocking incoming connection to port 80.

youdao