超声刀多久做一次最好:FTP登陆不上去

WinSock 2.0 -- OpenSSL 0.9.8a 11 Oct 2005
[右] 正在连接到 ftp.lovebeyond.com -> DNS=ftp.lovebeyond.com IP=202.75.221.202 PORT=21
[右] 已连接到 ftp.lovebeyond.com
[右] 220 Serv-U FTP Server v6.0 for WinSock ready...
[右] USER www.lovebeyond.com
[右] 331 User name okay, need password.
[右] PASS (隐藏)
[右] 230 User logged in, proceed.
[右] SYST
[右] 215 UNIX Type: L8
[右] FEAT
[右] 211-Extension supported
[右] CLNT
[右] MDTM
[右] MDTM YYYYMMDDHHMMSS[+-TZ];filename
[右] SIZE
[右] SITE PSWD;EXEC;SET;INDEX;ZONE;CHMOD;MSG
[右] REST STREAM
[右] XCRC filename;start;end
[右] MODE Z
[右] 211 End
[右] CLNT FlashFXP 3.3.6.1125
[右] 200 Noted.
[右] PWD
[右] 257 "/" is current directory.
[右] TYPE A
[右] 200 Type set to A.
[右] MODE Z
[右] 200 MODE Z ok.
[右] PASV
[右] 227 Entering Passive Mode (202,75,221,202,17,116)
[右] 正在打开数据连接 IP: 202.75.221.202 端口: 4468
[右] 数据 Socket 错误: 连接被拒
[右] 列表错误
[右] PASV
[右] 227 Entering Passive Mode (202,75,221,202,17,153)
[右] 正在打开数据连接 IP: 202.75.221.202 端口: 4505
[右] 数据 Socket 错误: 连接超时
[右] 列表错误
[右] PASV 模式失败, 尝试 PORT 模式。
[右] 监听端口: 2998, 等待连接。
[右] PORT 192,168,1,11,11,182
[右] 200 PORT Command successful.
[右] LIST -al
[右] 150 Opening ASCII mode data connection for /bin/ls.
[右] 426 Data connection closed, transfer aborted.
[右] 列表错误