我想知道为什么我无法通过终端连接到我的 FTP 服务器。
它完美地通过 filezilla 工作，终端的输出是
220---------- Welcome to Pure-FTPd [privsep] [TLS] ----------
220-You are user number 2 of 50 allowed.
220-Local time is now 16:53. Server port: 21.
220-This is a private system - No anonymous login
220-IPv6 connections are also welcome on this server.
220 You will be disconnected after 15 minutes of inactivity.
Name (xxx.xxx.xxx.xxx:root): username
331 User username OK. Password required
Password:
530 Login authentication failed
Login failed.
Remote system type is UNIX.
Using binary mode to transfer files.
ftp>
注意我使用 putty 连接到我的服务器，然后在我的服务器上尝试通过 ftp 连接到下一个服务器