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mysql怎么刪除匿名 怎么刪除匿名

mysql5.7怎么修改secure-file-priv?

安裝完mysql-server ,

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會(huì)提示可以運(yùn)行mysql_secure_installation,運(yùn)行mysql_secure_installation會(huì)執(zhí)行幾個(gè)設(shè)

置:

為root用戶設(shè)置密碼;

刪除匿名賬號(hào);

取消root用戶遠(yuǎn)程登錄;

刪除test庫(kù)和對(duì)test庫(kù)的訪問權(quán)限;

刷新授權(quán)表使修改生效;

通過這幾項(xiàng)的設(shè)置能夠提高mysql庫(kù)的安全,建議生產(chǎn)環(huán)境中mysql安裝這完成后一定要運(yùn)行一

次mysql_secure_installation,詳細(xì)步驟請(qǐng)參看下面的命令;

復(fù)制代碼,代碼如下:

[root@server1 ~]# ;

mysql_secure_installation;

NOTE: RUNNING ALL PARTS OF THIS SCRIPT IS ;

RECOMMENDED FOR ALL MySQL;

SERVERS IN PRODUCTION USE PLEASE READ EACH STEP ;

CAREFULLY;

In order to log into MySQL to secure it we'll need the ;

current;

password for the root user If you've just installed MySQL;

and;

you haven't set the root password yet the password will be blank;

so ;

you should just press enter here;

Enter current password for root (enter for none)–初次運(yùn)行直接回車;

OK successfully used ;

password moving on;

Setting the root password ensures that nobody can log ;

into the MySQL;

root user without the proper authorisation;

Set root ;

password?[Y/n] – ;

是否設(shè)置root用戶密碼,輸入y并回車或直接回車;

New password: – 設(shè)置root用戶的密碼;

Re-enter new password: – 再輸入一次你設(shè)置的密碼;

Password updated ;

successfully;

Reloading privilege tables;

Success;

By default a ;

MySQL installation has an anonymous user allowing anyone;

to log into MySQL ;

without having to have a user account created for;

them. This is intended only ;

for testing and to make the installation;

go a bit smoother. You should ;

remove them before moving into a;

production environment;

Remove anonymous ;

users [Y/n] – ;

是否刪除匿名用戶,生產(chǎn)環(huán)境建議刪除,所以直接回車;

Success;

Normally root should only be ;

allowed to connect from ?localhost;

This?ensures that someone cannot guess ;

at the root password from the network;

Disallow root login remotely;

[Y/n] ;

–是否禁止root遠(yuǎn)程登錄,根據(jù)自己的需求選擇Y/n并回車,建議禁止;

By default MySQL ;

comes with a database named 'test' that anyone can;

access This is also ;

intended only for testing, and should be removed;

before moving into a ;

production environment;

Remove test database and access to it [Y/n] – 是否刪除test數(shù)據(jù)庫(kù) 直接回車;

Dropping test ;

database;

Success。

mysql數(shù)據(jù)庫(kù)安裝過程為什么要?jiǎng)h除匿名用戶

不熟悉mysql,但是oracle,是必須建立用戶后附權(quán)限才可以正常登陸的。跟oracle匿名用戶scott一點(diǎn)關(guān)系沒有。

如何消除MySQL賬號(hào)的安全隱患

比如匿名賬號(hào)容易帶來安全隱患,建議刪除,執(zhí)行如下SQL語(yǔ)句即可刪除權(quán)限表中所有的匿名賬號(hào):

mysqldelete from mysql.user where user='';

mysqldelete from mysql.db where user='';

mysqldelete from mysql.tables_priv where user='';

mysqldelete from mysql.columns_priv where user='';

mysqldelete from mysql.procs_priv where user='';

如何刪除mysql匿名用戶

因?yàn)樵谀J(rèn)設(shè)置下,這個(gè)匿名用戶在localhost上幾乎擁有和root一樣的權(quán)限。很可能因?yàn)樵L問者上傳一個(gè)PHP文件,用這個(gè)PHP文件創(chuàng)建一個(gè)新用戶,并給他一個(gè)較高的權(quán)限,然后用這個(gè)新用戶連接到服務(wù)器的MySQL,對(duì)該服務(wù)器的MySQL進(jìn)行管理。刪除命令如下:


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