solaris10默认ftp服务登录时报错如下

klark

客户端使用cuteftp登陆服务器内网IP就正常，但是通过该服务器的公网地址登陆错误提示如下：

STATUS:>          Getting listing ""...
STATUS:>          Connecting to FTP server 服务器ＩＰ:21 (ip = 服务器ＩＰ)...
STATUS:>          Socket connected. Waiting for welcome message...
                220 v480 FTP server ready.
STATUS:>          Connected. Authenticating...
COMMAND:>        USER 007
                331 Password required for root.
COMMAND:>        PASS *****
                230 User root logged in.
STATUS:>          Login successful.
COMMAND:>        PWD
                257 "/" is current directory.
STATUS:>          Home directory: /
COMMAND:>        FEAT
                500 'FEAT': command not understood.
STATUS:>          This site doesn't support the 'features' command.
COMMAND:>        REST 100
                350 Restarting at 100. Send STORE or RETRIEVE to initiate transfer.
STATUS:>          This site can resume broken downloads.
COMMAND:>        REST 0
                350 Restarting at 0. Send STORE or RETRIEVE to initiate transfer.
COMMAND:>        PASV
ERROR:>           Can't read from control socket. Socket error = #10054.
ERROR:>           Failed to establish data socket.


各位老大，请问是什么情况会引起这个问题？

[ 本帖最后由 klark 于 2007-11-29 19:35 编辑 ]