FTP 登陆内网服务器总是超时!!请高手指点!!!!

问题描述：

正在连接服务器 10.163.48.104->端口 25
< 220 FTP Software, Inc. Win32 FTP Server 4,0,0,447 ready.
Session Connected, error = 0
> USER zzz
< 331 Password required for zzz.
> PASS ***************
< 230 User zzz logged in.
Request 5 Done.
StatusCode = 230
LastResponse was : '230 User zzz logged in.'
No error
> CWD /
< 250 CWD command successful. Current Working Directory is: '\'
Request 4 Done.
StatusCode = 250
LastResponse was : '250 CWD command successful. Current Working Directory is: '\''
No error
> PWD
< 257 "\" is the current working directory.
Request 32 Done.
StatusCode = 257
LastResponse was : '257 "\" is the current working directory.'
No error
Directory is "\"
> PORT 127,0,0,1,17,155
< 200 PORT command successful.
> LIST \
< 150 Opening ASCII mode data connection for /bin/ls.
Session Closed, error = 0
Request 7 Done.
StatusCode = 426
LastResponse was : '150 Opening ASCII mode data connection for /bin/ls.'
Error = 426 (426 Timeout)

有的机器还登上去了。..多数机器不行..是怎么回事啊?

请高手帮忙啊~~~~~~

问题解答：

这个和你的机器有关,可能你你的网络有问题,
最可能的是你的IE出了问题,
可以试一下用ftp客户端登录,比如leapftp,之类的,
如果还是超时的那,那再看一下你有没有装什么安全防护软件,,比果防火墙之类的软件,把ftp的21端口给屏蔽了,
最后就是你的网络官理员,在路由器上把ftp封了