01 2006-05-29 13:24:02 连接成功，等待应答信息
02 2006-05-29 13:24:02 220 Serv-U FTP Server v6.0 for WinSock ready...
03 2006-05-29 13:24:02 USER media.qingdaonews.com
04 2006-05-29 13:24:02 331 User name okay, need password.
05 2006-05-29 13:24:02 PASS ******
06 2006-05-29 13:24:03 230 User logged in, proceed.
07 2006-05-29 13:24:03 PWD
08 2006-05-29 13:24:03 257 "/" is current directory.
09 2006-05-29 13:24:03 CWD /
10 2006-05-29 13:24:03 250 Directory changed to /
11 2006-05-29 13:24:03 TYPE A
12 2006-05-29 13:24:03 200 Type set to A.
13 2006-05-29 13:24:03 PASV
14 2006-05-29 13:24:03 550 Passive mode not allowed on this server.
最后一句是什么意思啊？？我用的迅雷ftp探测器~~~~
