设置方法

登录MySQL数据库

mysql-uroot-p

输入一下命令安装插件

install plugin CONNECTION_CONTROL soname 'connection_control.so';install plugin CONNECTION_CONTROL_FAILED_LOGIN_ATTEMPTS soname 'connection_control.so';

修改MySQL配置文件/etc/my.cnf

vim /etc/my.cnf

在文件中新加以下两行

connection-control-failed-connections-threshold=5 #登陆失败次数限制connection-control-min-connection-delay=300000#限制重试时间,此处为毫秒,注意按需求换算,此处为5分钟

重启MySQL服务

systemctlrestartmysqld

重新登录数据库查看是否生效

show variables like '%connection_control%';

插件卸载命令

UNINSTALL PLUGIN CONNECTION_CONTROL;UNINSTALL PLUGIN CONNECTION_CONTROL_FAILED_LOGIN_ATTEMPTS;

密码复杂度

show variables like ‘validate%’;

INSTALL PLUGIN validate_password SONAME ‘validate_password.so’;

#设置密码长度

set global validate_password_length = 10;

#validate_password_policy为MEDIUM,验证长度、数字、大小写、特殊字符

·登陆失败处理

install plugin CONNECTION_CONTROL soname ‘connection_control.so’;

install plugin CONNECTION_CONTROL_FAILED_LOGIN_ATTEMPTS soname ‘connection_control.so’;

show variables like ‘connection_control%’;

#设置最大失败次数

set global connection_control_failed_connections_threshold=3;

#设置最小等待时间(1000ms)

set global connection_control_min_connection_delay=300000;

#永久保存策略

vi xx/my.cnf

plugin-load-add = validate_password.so

plugin-load-add = connection_control.so

validate_password_length = 10

validate_password_policy = 1

validate-password = FORCE_PLUS_PERMANENT

connection_control_failed_connections_threshold=3

connection_control_min_connection_delay=300000