Debian中proftpd+mysql+虚拟用户+匿名用户+磁盘限额的配置

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　　http://os.51cto.com/art/201102/245850.htm
　　Debian所系统目前采用的是 Linux 内核。Debian 支持内核的工作也正在进行。最主要的就是 Hurd，Hurd 是一组在微内核 (例如 Mach) 上运行的提供各种不同功能的守护进程。本文讲述的是Debian中proftpd+mysql+虚拟用户+匿名用户+磁盘限额的配置。
　　用惯了proftpd，本来打算用pureftpd的，后来想想算了。proftpd虚拟用户的配置其实很早就解决了，只是虚拟用户和本地用户同时登录，一直没有解决。于是趁这个机会仔细研究了下。依然是debian下面的配置。
　　安装mysql和phpmyadmin，其中phpmyadmin不是必需的

• apt-get install mysql-server mysql-client libmysqlclient15-dev phpmyadmin apache2  
  
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　　为mysql设置root密码

• mysqladmin -u root password yourrootsqlpassword  
  
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　　如果需要其他人访问本机的mysql，同样需要设置密码

• mysqladmin -h server1.example.com -u root password yourrootsqlpassword  
  
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　　安装带mysql支持的proftpd，注意选择proftpd工作在standalone模式

• apt-get install proftpd-mysql  
  
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　　建立虚拟用户组，这个是为了把proftpd用户虚拟到本机的一个用户上。注意下面的2001修改为自定义的。

• groupadd -g 2001 ftpgroup  
  
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• useradd -u 2001 -s /bin/false -d /bin/null -c "proftpd user" -g ftpgroup ftpuser  
  
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　　建立proftpd使用的mysql数据库，并创建数据表。

• bt:~# mysql -u root -p  
  
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• Enter password:  
  
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• Welcome to the MySQL monitor. Commands end with ; or \g.  
  
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• Your MySQL connection id is 18  
  
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• Server version: 5.0.32-Debian_7etch1-log Debian etch distribution  
  
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• Type 'help;' or '\h' for help. Type '\c' to clear the buffer.  
  
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• mysql> create database ftp;  
  
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• Query OK, 1 row affected (0.00 sec)  
  
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• mysql> GRANT SELECT, INSERT, UPDATE, DELETE ON ftp.* TO 'proftpd'@'localhost' IDENTIFIED BY 'password';  
  
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• Query OK, 0 rows affected (0.00 sec)  
  
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• mysql> GRANT SELECT, INSERT, UPDATE, DELETE ON ftp.* TO 'proftpd'@'localhost.localdomain' IDENTIFIED BY 'password';  
  
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• Query OK, 0 rows affected (0.00 sec)  
  
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• mysql> USE ftp;  
  
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• Database changed  
  
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• mysql> CREATE TABLE ftpgroup (groupname varchar(16) NOT NULL default '',gid smallint(6) NOT NULL default '5500',members varchar(16) NOT NULL default '',KEY groupname (groupname)) TYPE=MyISAM COMMENT='ProFTP group table';  
  
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• Query OK, 0 rows affected, 1 warning (0.06 sec)  
  
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• mysql> CREATE TABLE ftpquotalimits (  
  
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• -> name varchar(30) default NULL,  
  
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• -> quota_type enum('user','group','class','all') NOT NULL default 'user',  
  
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• -> per_session enum('false','true') NOT NULL default 'false',  
  
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• -> limit_type enum('soft','hard') NOT NULL default 'soft',  
  
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• -> bytes_in_avail int(10) unsigned NOT NULL default '0',  
  
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• -> bytes_out_avail int(10) unsigned NOT NULL default '0',  
  
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• -> bytes_xfer_avail int(10) unsigned NOT NULL default '0',  
  
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• -> files_in_avail int(10) unsigned NOT NULL default '0',  
  
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• -> files_out_avail int(10) unsigned NOT NULL default '0',  
  
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• -> files_xfer_avail int(10) unsigned NOT NULL default '0'  
  
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• -> ) TYPE=MyISAM;  
  
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• Query OK, 0 rows affected, 1 warning (0.03 sec)  
  
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• mysql> CREATE TABLE ftpquotatallies (  
  
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• -> name varchar(30) NOT NULL default '',  
  
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• -> quota_type enum('user','group','class','all') NOT NULL default 'user',  
  
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• -> bytes_in_used int(10) unsigned NOT NULL default '0',  
  
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• -> bytes_out_used int(10) unsigned NOT NULL default '0',  
  
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• -> bytes_xfer_used int(10) unsigned NOT NULL default '0',  
  
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• -> files_in_used int(10) unsigned NOT NULL default '0',  
  
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• -> files_out_used int(10) unsigned NOT NULL default '0',  
  
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• -> files_xfer_used int(10) unsigned NOT NULL default '0'  
  
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• -> ) TYPE=MyISAM;  
  
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• Query OK, 0 rows affected, 1 warning (0.03 sec)  
  
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• mysql> CREATE TABLE ftpuser (  
  
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• -> id int(10) unsigned NOT NULL auto_increment,  
  
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• -> userid varchar(32) NOT NULL default '',  
  
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• -> passwd varchar(32) NOT NULL default '',  
  
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• -> uid smallint(6) NOT NULL default '5500',  
  
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• -> gid smallint(6) NOT NULL default '5500',  
  
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• -> homedir varchar(255) NOT NULL default '',  
  
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• -> shell varchar(16) NOT NULL default '/sbin/nologin',  
  
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• -> count int(11) NOT NULL default '0',  
  
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• -> accessed datetime NOT NULL default '0000-00-00 00:00:00',  
  
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• -> modified datetime NOT NULL default '0000-00-00 00:00:00',  
  
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• -> PRIMARY KEY (id),  
  
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• -> UNIQUE KEY userid (userid)  
  
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• -> ) TYPE=MyISAM COMMENT='ProFTP user table';  
  
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• Query OK, 0 rows affected, 1 warning (0.03 sec)  
  
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• mysql> quit;  
  
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• Bye  
  
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　　然后就是修改proftpd的配置文件了，nano /etc/proftpd/proftpc.conf
　　首先关闭对ipv6支持
　　UseIPv6 off
　　然后增加对mysql的验证支持
-------------------

• DefaultRoot ~  
  
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• # The passwords in MySQL are encrypted using CRYPT  
  
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• SQLAuthTypes Plaintext Crypt  
  
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• SQLAuthenticate users groups  
  
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• # used to connect to the database  
  
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• # databasename@host database_user user_password  
  
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• SQLConnectInfo ftp@localhost proftpd password  
  
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• # Here we tell ProFTPd the names of the database columns in the "usertable"  
  
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• # we want it to interact with. Match the names with those in the db  
  
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• SQLUserInfo ftpuser userid passwd uid gid homedir shell  
  
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• # Here we tell ProFTPd the names of the database columns in the "grouptable"  
  
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• # we want it to interact with. Again the names match with those in the db  
  
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• SQLGroupInfo ftpgroup groupname gid members  
  
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• # set min UID and GID - otherwise these are 999 each  
  
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• SQLMinID 500  
  
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• # create a user's home directory on demand if it doesn't exist  
  
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• SQLHomedirOnDemand on  
  
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• # Update count every time user logs in  
  
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• SQLLog PASS updatecount  
  
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• SQLNamedQuery updatecount UPDATE "countcount=count+1, accessed=now() WHERE userid='%u'" ftpuser  
  
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• # Update modified everytime user uploads or deletes a file  
  
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• SQLLog STOR,DELE modified  
  
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• SQLNamedQuery modified UPDATE "modified=now() WHERE userid='%u'" ftpuser  
  
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• # User quotas  
  
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• # ===========  
  
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• QuotaEngine on  
  
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• QuotaDirectoryTally on  
  
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• QuotaDisplayUnits Mb  
  
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• QuotaShowQuotas on  
  
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• SQLNamedQuery get-quota-limit SELECT "name, quota_type, per_session, limit_type, bytes_in_avail, bytes_out_avail, bytes_xfer_avail, files_in_avail, files_out_avail, files_xfer_avail FROM ftpquotalimits WHERE name = '%{0}' AND quota_type = '%{1}'"  
  
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• SQLNamedQuery get-quota-tally SELECT "name, quota_type, bytes_in_used, bytes_out_used, bytes_xfer_used, files_in_used, files_out_used, files_xfer_used FROM ftpquotatallies WHERE name = '%{0}' AND quota_type = '%{1}'"  
  
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• SQLNamedQuery update-quota-tally UPDATE "bytes_in_usedbytes_in_used = bytes_in_used + %{0}, bytes_out_usedbytes_out_used = bytes_out_used + %{1}, bytes_xfer_usedbytes_xfer_used = bytes_xfer_used + %{2}, files_in_usedfiles_in_used = files_in_used + %{3}, files_out_usedfiles_out_used = files_out_used + %{4}, files_xfer_usedfiles_xfer_used = files_xfer_used + %{5} WHERE name = '%{6}' AND quota_type = '%{7}'" ftpquotatallies  
  
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• SQLNamedQuery insert-quota-tally INSERT "%{0}, %{1}, %{2}, %{3}, %{4}, %{5}, %{6}, %{7}" ftpquotatallies  
  
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• QuotaLimitTable sql:/get-quota-limit  
  
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• QuotaTallyTable sql:/get-quota-tally/update-quota-tally/insert-quota-tally  
  
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• RootLogin off  
  
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• RequireValidShell off  
  
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　　然后nano /etc/proftpd/modules.conf，注释掉没用的部分，然后重新启动proftpd
　　#LoadModule mod_sql_postgres.c
　　/etc/init.d/proftpd restart
　　建立数据库并测试，强烈推荐这些通过phpmyadmin来进行操作

• mysql -u root -p  
  
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• USE ftp;  
  
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• INSERT INTO `ftpgroup` (`groupname`, `gid`, `members`) VALUES ('ftpgroup', 2001, 'ftpuser');  
  
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• INSERT INTO `ftpquotalimits` (`name`, `quota_type`, `per_session`, `limit_type`, `bytes_in_avail`, `bytes_out_avail`, `bytes_xfer_avail`, `files_in_avail`, `files_out_avail`, `files_xfer_avail`) VALUES ('exampleuser', 'user', 'true', 'hard', 15728640, 0, 0, 0, 0, 0);  
  
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• INSERT INTO `ftpuser` (`id`, `userid`, `passwd`, `uid`, `gid`, `homedir`, `shell`, `count`, `accessed`, `modified`) VALUES (1, 'exampleuser', 'secret', 2001, 2001, '/home/www.example.com', '/sbin/nologin', 0, '', '');  
  
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• quit;  
  
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　　下面是配置匿名用户登录
　　依然是增加一个用户组

• groupadd -g 2002 anonymous_ftp  
  
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• useradd -u 2002 -s /bin/false -d /home/anonymous_ftp -m -c "Anonymous FTP User" -g anonymous_ftp anonymous_ftp  
  
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　　建立登录文件夹，如果想匿名用户和虚拟用户登录到同一个地方，这一步可以略过，在proftpd的配置文件中指定就行了

• mkdir /home/anonymous_ftp/incoming  
  
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• chown anonymous_ftp:nogroup /home/anonymous_ftp/incoming  
  
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　　然后编辑proftpd的配置文件，增加下面部分，然后重新启动。配置文件具体含义不说了

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• User anonymous_ftp  
  
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• Group nogroup  
  
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• # We want clients to be able to login with "anonymous" as well as "ftp"  
  
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• UserAlias anonymous anonymous_ftp  
  
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• # Cosmetic changes, all files belongs to ftp user  
  
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• DirFakeUser on anonymous_ftp  
  
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• DirFakeGroup on anonymous_ftp  
  
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• RequireValidShell off  
  
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• # Limit the maximum number of anonymous logins  
  
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• MaxClients 10  
  
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• # We want 'welcome.msg' displayed at login, and '.message' displayed  
  
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• # in each newly chdired directory.  
  
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• DisplayLogin welcome.msg  
  
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• DisplayFirstChdir .message  
  
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• # Limit WRITE everywhere in the anonymous chroot   
  
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• DenyAll  
  
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• # Uncomment this if you're brave.   
  
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• # Umask 022 is a good standard umask to prevent new files and dirs  
  
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• # (second parm) from being group and world writable.  
  
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• Umask 022 022  
  
• DenyAll  
  
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• AllowAll  
  
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　　这样配置Debian中proftpd+mysql+虚拟用户+匿名用户+磁盘限额的配置 就ok了。