ftp://ftp.cdc.gov/pub/

WinSock 2.0 -- OpenSSL 0.9.8g 19 Oct 2007
[右] 正在连接到 ftp.cdc.gov -> DNS=ftp.cdc.gov IP=198.246.112.54 PORT=21
[右] 已连接到 ftp.cdc.gov
[右] 220 Microsoft FTP Service
[右] USER anonymous
[右] 331 Anonymous access allowed, send identity (e-mail name) as password.
[右] PASS (隐藏)
[右] 230 Anonymous user logged in.
[右] SYST
[右] 215 Windows_NT
[右] FEAT
[右] 211-FEAT
[右]    SIZE
[右]    MDTM
[右] 211 END
[右] PWD
[右] 257 "/" is current directory.
[右] TYPE A
[右] 200 Type set to A.
[右] PASV
[右] 227 Entering Passive Mode (198,246,112,54,8,31).
[右] 正在打开数据连接 IP: 198.246.112.54 端口: 2079
[右] LIST -al
[右] 125 Data connection already open; Transfer starting.
[右] 226 Transfer complete.
[右] 列表完成: 417 字节 于 2.30 秒 (0.2 KB/秒)
[右] CWD pub
[右] 250 CWD command successful.
[右] PWD
[右] 257 "/pub" is current directory.