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云服务器的MySQL安装详解

发布时间:2022-08-31 17:52:26

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目录

1. 媒介

2. Mysql账户权限安详

3. Mysql数据的网络安详设置

4. 暗码计策安详

5. Mysql日志

6. Mysql数据库处事地址主机安详设置

7. 陈设SQL注入检测、防止模块

8. mysqld安详相关启动选项

9. mysql备份计策


1. 媒介

Mysql数据库安详设置、可能叫加固属于风险模子中的一环,它需要安详人员在理论和实践的进修中不绝发明新的问题,并针对这些问题对数据的各个方面的设置举办强化。本文试图环绕着数据库风险识别、数据库安详加固这个问题,探讨可以采纳的法子来最洪流平的担保我们的数据库的安详节制处在一个较好的程度。 


2. Mysql账户权限安装详解

mysql中存在4个节制权限的表,别离为


1. mysql.USER表

2. mysql.DB表

3. mysql.TABLES_PRIV表

4. mysql.COLUMNS_PRIV表


要留意的是,Mysql中有一个数据库"information_schema",好像内里生存的也是一些权限信息,可是要大白的是,这个数据库"information_schema"是为系统打点员提供元数据的一个轻便方法,它实际上是一个视图,可以领略为对Mysql中的一个信息的封装,对付Mysql主措施来说,身份认证和授权的信息的来历只有一个,就是"mysql"。


mysql.USER表

select * from USER;
desc USER;
mysql> desc USER;+------------------------+-----------------------------------+------+-----+---------+-------+
| Field                  | Type                              | Null | Key | Default | Extra |
+------------------------+-----------------------------------+------+-----+---------+-------+
| Host                   | char(60)                          | NO   | PRI |         |       |
| User                   | char(16)                          | NO   | PRI |         |       |
| Password               | char(41)                          | NO   |     |         |       |
| Select_priv            | enum('N','Y')                     | NO   |     | N       |       |
| Insert_priv            | enum('N','Y')                     | NO   |     | N       |       |
| Update_priv            | enum('N','Y')                     | NO   |     | N       |       |
| Delete_priv            | enum('N','Y')                     | NO   |     | N       |       |
| Create_priv            | enum('N','Y')                     | NO   |     | N       |       |
| Drop_priv              | enum('N','Y')                     | NO   |     | N       |       |
| Reload_priv            | enum('N','Y')                     | NO   |     | N       |       |
| Shutdown_priv          | enum('N','Y')                     | NO   |     | N       |       |
| Process_priv           | enum('N','Y')                     | NO   |     | N       |       |
| File_priv              | enum('N','Y')                     | NO   |     | N       |       |
| Grant_priv             | enum('N','Y')                     | NO   |     | N       |       |
| References_priv        | enum('N','Y')                     | NO   |     | N       |       |
| Index_priv             | enum('N','Y')                     | NO   |     | N       |       |
| Alter_priv             | enum('N','Y')                     | NO   |     | N       |       |
| Show_db_priv           | enum('N','Y')                     | NO   |     | N       |       |
| Super_priv             | enum('N','Y')                     | NO   |     | N       |       |
| Create_tmp_table_priv  | enum('N','Y')                     | NO   |     | N       |       |
| Lock_tables_priv       | enum('N','Y')                     | NO   |     | N       |       |
| Execute_priv           | enum('N','Y')                     | NO   |     | N       |       |
| Repl_slave_priv        | enum('N','Y')                     | NO   |     | N       |       |
| Repl_client_priv       | enum('N','Y')                     | NO   |     | N       |       |
| Create_view_priv       | enum('N','Y')                     | NO   |     | N       |       |
| Show_view_priv         | enum('N','Y')                     | NO   |     | N       |       |
| Create_routine_priv    | enum('N','Y')                     | NO   |     | N       |       |
| Alter_routine_priv     | enum('N','Y')                     | NO   |     | N       |       |
| Create_user_priv       | enum('N','Y')                     | NO   |     | N       |       |
| Event_priv             | enum('N','Y')                     | NO   |     | N       |       |
| Trigger_priv           | enum('N','Y')                     | NO   |     | N       |       |
| Create_tablespace_priv | enum('N','Y')                     | NO   |     | N       |       |
| ssl_type               | enum('','ANY','X509','SPECIFIED') | NO   |     |         |       |
| ssl_cipher             | blob                              | NO   |     | NULL    |       |
| x509_issuer            | blob                              | NO   |     | NULL    |       |
| x509_subject           | blob                              | NO   |     | NULL    |       |
| max_questions          | int(11) unsigned                  | NO   |     | 0       |       |
| max_updates            | int(11) unsigned                  | NO   |     | 0       |       |
| max_connections        | int(11) unsigned                  | NO   |     | 0       |       |
| max_user_connections   | int(11) unsigned                  | NO   |     | 0       |       |
| plugin                 | char(64)                          | YES  |     |         |       |
| authentication_string  | text                              | YES  |     | NULL    |       |
| password_expired       | enum('N','Y')                     | NO   |     | N       |       |
+------------------------+-----------------------------------+------+-----+---------+-------+



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