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Security in MySQL  /  ...  /  MySQL Enterprise Firewall Tables MySQL Enterprise Firewall Tables

MySQL Enterprise Firewall maintains account and whitelist information. It uses INFORMATION_SCHEMA tables to provide views into cached data, and tables in the mysql system database to store this data in persistent form. When enabled, the firewall bases its operational decisions on the cached data.

The INFORMATION_SCHEMA tables are accessible by anyone. The mysql tables can be accessed only by users with privileges for that database.

The INFORMATION_SCHEMA.MYSQL_FIREWALL_USERS and mysql.firewall_users tables list registered firewall accounts and their operational modes. The tables have these columns:


    An account registered with the firewall. Each account has the format user_name@host_name and represents actual user and host names as authenticated by the server. Patterns and netmasks should not be used when registering users.

  • MODE

    The current firewall operational mode for the account. The permitted mode values are OFF, DETECTING, PROTECTING, RECORDING, and RESET. For details about their meanings, see the description of sp_set_firewall_mode() in Section, “MySQL Enterprise Firewall Procedures and Functions”.

The INFORMATION_SCHEMA.MYSQL_FIREWALL_WHITELIST and mysql.firewall_whitelist tables list registered firewall accounts and their whitelists. The tables have these columns:


    An account registered with the firewall. The format is the same as for the user account tables.

  • RULE

    A normalized statement indicating an acceptable statement pattern for the account. An account whitelist is the union of its rules.

  • ID

    An integer column that is a primary key for the table. This column was added in MySQL 5.7.23.

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