其他你需要修改的备份文件也做备份。
命令解释:
建立账户test,账户的目录为/data1/test
如果不存在/data1/test,则建立/data1/test
如果存在,就使用/data1/test作为账户test的目录。
guest-root /data1/test test
解释:
restricted-uid test需要限制的用户UID
guest-root 命令把目录(/data1/test)指定给test账户登陆ftp的默认家目录
Connected to 110.1.28.135.
220 aisms FTP server ready.
Name (110.1.28.135:root): test
331 Password required for test.
Password:
230 User test logged in.
Remote system type is UNIX.
Using binary mode to transfer files.
ftp> pwd
257 "/" is current directory.
ftp> ls
200 PORT command successful.
150 Opening ASCII mode data connection for file list.
a.sql
b.sql
c.sql
d.sql
e.sql
226 Transfer complete.
35 bytes received in 0.00034 seconds (101.36 Kbytes/s)
ftp> cd ..
550 Permission denied on server. You are restricted to your account.
ftp> cd /data1
550 /data1: No such file or directory.
ftp> cd /data1
550 /data1: No such file or directory.
ftp> bye
[root@root]:/data1/test#ls
a.sql b.sql c.sql d.sql e.sql
[root@root]:/data1/test#cd /
[root@root]:/#ls
bin cdrom data1 devices export kernel lost+found net platform sbin test.sh usr vol
boot data dev etc home lib mnt opt proc system tmp var yl
[root@root]:/#
-----可见/data1、/data目录是存在的,但在ftp中用test登陆提示550 /data1: No such file or directory.,可以确定,已经限制用户test访问test家目录以外的任何目录。
可以确定的是,这样用户只能ftp访问自己在ftpaccess中指定的目录。