【发布时间】:2014-05-02 03:23:25
【问题描述】:
我正在通过隐式 SSL 使用 FTP 来上传一些文件。 我遇到了以下错误信息
[Command] PWD
[Response] 257 "/" is current directory.
[Command] PWD
[Response] 257 "/" is current directory.
[Command] TYPE A
[Response] 200 Type set to A
[Command] PWD
[Response] 257 "/" is current directory.
[Command] PASV
[Response] 227 Entering Passive Mode (10,0,0,19,195,113)
[Command] LIST -aL
[Response] 521 PROT P required
[Command] PWD
[Response] 257 "/" is current directory.
[Command] PASV
[Response] 227 Entering Passive Mode (10,0,0,19,195,114)
[Command] LIST -aL
[Response] 521 PROT P required
[Status] Failed::FTP protocol error. 521 PROT P required.
我可以知道这条错误消息“521 PROT P required”是什么意思吗?
谢谢
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