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https://mariadb.com/kb/en/mariadb/about-the-mariadb-audit-plugin/
一、环境说明
MySQL 5.6.25 社区版
Mariadb 10.0.25 社区版
mysql 企业版有审计功能需要收费,社区版被阉割的不行不行了,和古时候的太监
没啥区别了,比较重要的功能特性都没有,不过也能凑合着用。可能说的有点过,
话糙理不糙,建议用不起企业版的可以考虑percona 和 mariadb,个人建议,仅供参考。
二、安装
1.下载mariadb 10.0.25_x64 安装包,解压缩上传server_audit.so 文件到/tmp 目录下
2. 查看插件路径(root@localhost) [(none)]> show variables like 'plugin_dir';
+---------------+--------------------------+
| Variable_name | Value |
+---------------+--------------------------+
| plugin_dir | /usr/lib64/mysql/plugin/ |
+---------------+--------------------------+
1 row in set (0.00 sec)
3.cp 插件,授予执行权限# cp /tmp/server_audit.so /usr/lib64/mysql/plugin/
# chmod +x /usr/lib64/mysql/plugin/server_audit.so
#
4.安装插件(root@localhost) [(none)]> install plugin server_audit SONAME 'server_audit.so';
Query OK, 0 rows affected (0.00 sec)
5.查看参数(root@localhost) [(none)]> show variables like '%audit%';
+-------------------------------+-----------------------+
| Variable_name | Value |
+-------------------------------+-----------------------+
| server_audit_events | |
| server_audit_excl_users | |
| server_audit_file_path | server_audit.log |
| server_audit_file_rotate_now | OFF |
| server_audit_file_rotate_size | 1000000 |
| server_audit_file_rotations | 9 |
| server_audit_incl_users | |
| server_audit_loc_info | |
| server_audit_logging | OFF |
| server_audit_mode | 1 |
| server_audit_output_type | file |
| server_audit_query_log_limit | 1024 |
| server_audit_syslog_facility | LOG_USER |
| server_audit_syslog_ident | mysql-server_auditing |
| server_audit_syslog_info | |
| server_audit_syslog_priority | LOG_INFO |
+-------------------------------+-----------------------+
16 rows in set (0.00 sec)
6.修改参数(root@localhost) [(none)]> set global server_audit_logging=on;
Query OK, 0 rows affected (0.00 sec)
(root@localhost) [(none)]> set global server_audit_file_rotate_now=ON;
Query OK, 0 rows affected (0.00 sec)
7.查看审计日志路径# find / -name server_audit.log
/data/mysqldata/server_audit.log --默认在数据路径下# tail -f /data/mysqldata/server_audit.log
20161226 22:46:38,mysql91,root,localhost,1,3,QUERY,,'set global server_audit_logging=on',0
20161226 22:46:58,mysql91,root,localhost,1,4,QUERY,,'show variables like \'%audit%\'',0
20161226 22:48:36,mysql91,root,localhost,1,5,QUERY,,'show databases',0
20161226 22:49:27,mysql91,root,localhost,1,6,QUERY,,'GRANT ALL PRIVILEGES ON *.* TO \'roidba\'@\'%\' IDENTIFIED BY PASSWORD *****',0
三、正式环境需要解决两个问题
1.日志路径要规范(root@localhost) [(none)]> set global server_audit_file_path='/data/mysqllogs/';
Query OK, 0 rows affected (0.00 sec)
2.通常查询不需要审计(mysql 测试过滤不掉,mariadb 可以)(root@localhost) [(none)]> set global server_audit_events='query_ddl,query_dml';
Query OK, 0 rows affected (0.00 sec)
3.固化参数vi /etc/my.cnf
########mariadb 10.0.25 audit plugin#######
server_audit_logging=on
server_audit_events='query_dml,query_ddl'
server_audit_file_path =/data/mysqllogs/
server_audit_file_rotate_size=200000000
server_audit_file_rotations=200
4.建议重启service mysql restart
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