我有一个在远程Windows 7计算机上运行的filezilla服务器。我有一个正在运行的jenkins主服务器，在debian 7上安装了一个从服务器。
如果我使用ssh到debian7从属服务器，并执行ftp / put到filezilla服务器，则可以上传test.txt文件：
$ ftp myfileZillaFtp 21
Connected to myfileZillaFtp.
220-FileZilla Server version 0.9.41 beta
220-written by Tim Kosse (Tim.Kosse@gmx.de)
220 Please visit http://sourceforge.net/projects/filezilla/
Name (myfileZillaFtp:jenkins): admin
331 Password required for admin
Password:
230 Logged on
Remote system type is UNIX.
ftp> cd test
250 CWD successful. "/test" is current directory.
ftp> put test.txt
local: test.txt remote: test.txt
200 Port command successful
150 Opening data channel for file transfer.
226 Transfer OK
6364 bytes sent in 0.00 secs (24959.2 kB/s)
ftp>
但是，如果我在Jenkins自由式作业中运行相同的步骤，则根据此处的说明添加了FTP发布步骤：
我得到：
FTP: Connecting from host [debian7-slave]
FTP: Connecting with configuration [myfileZillaFtp] ...
220-FileZilla Server version 0.9.41 beta
220-written by Tim Kosse (Tim.Kosse@gmx.de)
220 Please visit http://sourceforge.net/projects/filezilla/
FTP: Logging in, command printing disabled
FTP: Logged in, command printing enabled
CWD test
250 CWD successful. "/test" is current directory.
FTP: Remote root is not absolute, getting absolute directory from PWD
PWD
257 "/test" is current directory.
TYPE I
200 Type set to I
CWD /test
250 CWD successful. "/test" is current directory.
PASV
227 Entering Passive Mode (172,22,80,8,192,46)
FTP: Disconnecting configuration [myfileZillaFtp] ...
ERROR: Exception when publishing, exception message [Connection timed out]
Build step 'Send files over FTP' changed build result to UNSTABLE
Finished: UNSTABLE
为什么通过jenkins运行ftp上传失败？
仍然欢迎任何建议。