Subject: ftp problem!

From: cxy <[email-masked]>
Date: Mon, 27 Jul 1998 11:45:23 +0800

hi:
   I have a wu-ftpd on solaris.
   when a anonymous ftp the site all right,but real usr ftp it when i
use
the command ls ,it show 200 PORT command successful.
425 Can't create data socket (0.0.0.0,20): Bad file number.
why?who can tell me.
                                        thanks a lot