请教关于

我在尝试建立自己的ftp server.port 和server 似乎都设置成功了。server 也能连上。但是，在登陆时却遇到以下错误。
请高手指点一二！
多谢了！
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i Control connection successfully established.
i Time zone of server could not be determined.
> USER cdsc
> PASS
X Invalid syntax for first reply line from server.
i Control connection closed normally.
i Control connection successfully established.
! Reply code mismatch in multi-line reply from server.