地址：
ftp://218.104.77.38/ n31nORx50 QJkiu8r 测试结果：
=yqg ,w&Q 9S'\& mR l 01 2006-04-06 14:32:40 连接成功，等待应答信息
Ly , ]; 02 2006-04-06 14:32:41 220 Serv-U FTP Server v5.2 for WinSock ready...
E6G;fPd= E 03 2006-04-06 14:32:41 USER anonymous
yfFe%8w_vw 04 2006-04-06 14:32:42 331 User name okay, please send complete E-mail address as password.
C5Fq%y{ $. 05 2006-04-06 14:32:42 PASS ******
93w$ck},?G 06 2006-04-06 14:32:42 230 User logged in, proceed.
4T&Jlu?: 07 2006-04-06 14:32:42 PWD
-ECnX/ " 08 2006-04-06 14:32:43 257 "/" is current directory.
b^8"EBo 09 2006-04-06 14:32:43 CWD /
WYCDEoqU2 10 2006-04-06 14:32:43 250 Directory changed to /
hdM?Uoo(4a 11 2006-04-06 14:32:43 TYPE A
CSm(yB{|pC 12 2006-04-06 14:32:43 200 Type set to A.
R5uz< 13 2006-04-06 14:32:43 PASV
5/m*Lc+r 14 2006-04-06 14:32:44 227 Entering Passive Mode (218,104,77,38,207,16)
95D(0qv 15 2006-04-06 14:32:44 LIST -la
Pff-eT+~m 16 2006-04-06 14:32:45 150 Opening ASCII mode data connection for /bin/ls.
J[K>)@ I/ 17 2006-04-06 14:32:45 226 Transfer complete.
