# 修改mysql密码策略
修改密码安全策略,改为LOW,密码长度最小6位
mysql> SHOW VARIABLES LIKE 'validate_password%';
+--------------------------------------+--------+
| Variable_name | Value |
+--------------------------------------+--------+
| validate_password.check_user_name | ON |
| validate_password.dictionary_file | |
| validate_password.length | 8 |
| validate_password.mixed_case_count | 1 |
| validate_password.number_count | 1 |
| validate_password.policy | MEDIUM |
| validate_password.special_char_count | 1 |
+--------------------------------------+--------+
7 rows in set (0.00 sec)
mysql> set global validate_password.policy=LOW;
Query OK, 0 rows affected (0.00 sec)
mysql> set global validate_password.length=6;
Query OK, 0 rows affected (0.00 sec)
mysql> SHOW VARIABLES LIKE 'validate_password%';
+--------------------------------------+-------+
| Variable_name | Value |
+--------------------------------------+-------+
| validate_password.check_user_name | ON |
| validate_password.dictionary_file | |
| validate_password.length | 6 |
| validate_password.mixed_case_count | 1 |
| validate_password.number_count | 1 |
| validate_password.policy | LOW |
| validate_password.special_char_count | 1 |
+--------------------------------------+-------+
7 rows in set (0.00 sec)
关于 mysql 密码策略相关参数;
validate_password.length 固定密码的总长度;
validate_password_dictionary_file 指定密码验证的文件路径;
validate_password_mixed_case_count 整个密码中至少要包含大/小写字母的总个数;
validate_password_number_count 整个密码中至少要包含阿拉伯数字的个数;
validate_password.policy 指定密码的强度验证等级,默认为 MEDIUM;
validate_password_special_char_count 整个密码中至少要包含特殊字符的个数。
关于 validate_password.policy
的取值:
- LOW:只验证长度;
- MEDIUM:验证长度、数字、大小写、特殊字符;
- STRONG:验证长度、数字、大小写、特殊字符、字典文件。
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