mysql8解决null, message from server: “Host is not allowed to connect to this MySQL server“问题

1.登录mysql

mysql -uroot -proot

2.切换到mysql库:

use mysql;

3.查询root用户的host值:

select user,host from user;

如果host的值是localhost,说明只支持本地连接,不能远程登录。
4.更改host的值为%:

update user set host = '%' where user='root';

5.刷新权限:

flush privileges;

6.重启MySQL:

net stop mysql
net start mysql

7.即可外部连接mysql

mysql8解决null, message from server: “Host is not allowed to connect to this MySQL server“问题_第1张图片

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