关于FTP连接失败的问题
症状如下:
STATUS:> Connect: Tuesday 13:48:38 12-30-2003
STATUS:> Connecting to 61.*.*.*
STATUS:> Connecting to 61.*.*.*(ip=61.*.*.*)
STATUS:> Socket connected. Waiting for welcome message...
220 Serv-U FTP Server v4.0 for WinSock ready...
STATUS:> Connected. Authenticating...
COMMAND:> USER host
331 User name okay, need password.
COMMAND:> PASS ********
230 User logged in, proceed.
STATUS:> Login successful
COMMAND:> TYPE I
200 Type set to I.
COMMAND:> CWD /pub/cuteftp
550 /pub/cuteftp: No such file or directory.
COMMAND:> pwd
257 "/" is current directory.
COMMAND:> TYPE A
200 Type set to A.
STATUS:> Retrieving directory listing...
COMMAND:> PORT 192,168,0,3,18,246
200 PORT Command successful.
COMMAND:> LIST
150 Opening ASCII mode data connection for /bin/ls.
426 Data connection closed, transfer aborted.
相关情况:
服务器安装SERV-U4.0
TCP/IP做过筛选 TCP只允许 20 21 25 110 80 端口通过
客户端通过代理服务器上网,代理服务器上安装了天网防火墙,已经开了21端口
我通过内网的机器连接 FTP 出错