1.创建并编辑ftpaccess.ctl
#touch /etc/ftpaccess.ctl
#vi /etc/ftpaccess.ctl------>添加useronly: ftpuser1,ftpuser2……
2. Copy the "ls" binary to user's home directory:
Please replace $HOME below with user's home directory.
$HOME标示该用户的主目录
# mkdir bin
# chown root bin
# cp /bin/ls $HOME/bin/ls
# chmod 111 $HOME/bin/ls
# chmod 555 $HOME/bin
# chgrp system $HOME/bin
3. Copy the required libraries:
# mkdir lib
# chmod 555 lib
# chgrp system $HOME/lib
# cp /lib/libc.a lib/libc.a
# cp /lib/libcurses.a lib/libcurses.a
# cp /lib/libcrypt.a lib/libcrypt.a
4.重启ftp服务：
#stopsrc -t ftp
#startsrc -t ftp