某个ip段可以访问mysql

我们先创建一个测试用户LimitIP，只允许192.168段的IP地址访问，具体权限如下所示：

 

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mysql> GRANT SELECT ON MyDB.* TO LimitIP@'192.168.%' IDENTIFIED BY 'LimitIP'; Query OK, 0 rows affected (0.01 sec)     mysql> GRANT INSERT ,UPDATE,DELETE ON MyDB.kkk TO LimitIP@'192.168.%'; Query OK, 0 rows affected (0.00 sec)     mysql> mysql> flush privileges; Query OK, 0 rows affected (0.00 sec)     mysql>     mysql> show grants for LimitIP@'192.168.%'; +----------------------------------------------------------------------------------------------------------------+ | Grants for LimitIP@192.168.%                     | +----------------------------------------------------------------------------------------------------------------+ | GRANT USAGE ON *.* TO 'LimitIP'@'192.168.%' IDENTIFIED BY PASSWORD '*72DDE03E02CC55A9478A82F3F4EBE7F639249DEC' | | GRANT SELECT ON `MyDB`.* TO 'LimitIP'@'192.168.%'                | | GRANT INSERT, UPDATE, DELETE ON `MyDB`.`kkk` TO 'LimitIP'@'192.168.%'           | +----------------------------------------------------------------------------------------------------------------+ 3 rows in set (0.00 sec)     mysql>