FileZilla的问题

[img]http://dl.iteye.com/upload/attachment/534460/4a9721c3-1926-305e-8ab5-f0a19934025e.bmp[/img]

图中标红的选项代表什么意思？

The command defined in [RFC-2228] to negotiate data connection
security is the PROT command. As defined, there are four values
that the PROT command parameter can take.

        'C' - Clear - neither Integrity nor Privacy

        'S' - Safe - Integrity without Privacy

        'E' - Confidential - Privacy without Integrity

        'P' - Private - Integrity and Privacy

强制将数据进行加密进行传输（在ssl/tls模式下）

[url]http://zhongbiqing.iteye.com/blog/810340[/url]

[url]http://www.sauronsoftware.it/projects/ftp4j/manual.php#6[/url]

[url]http://www.jppf.org/samples-pack/FTPServer/src/org/jppf/example/ftp/service/FTPClientWrapper.java.html[/url]

[quote]PORT P 是什么意思[/quote]

像是一种协议，保护等级等
[url]http://www.faqs.org/rfcs/rfc4217.html[/url]