Control: 4.4.4 Ensure server parameter 'audit_log_events' has 'CONNECTION' set for MySQL Database Server

Description

Set audit_log_enabled to include CONNECTION on MySQL Servers

Enabling CONNECTION helps MySQL Database to log items such as successful and failed connection attempts to the server. Log data can be used to identify, troubleshoot, and repair configuration errors and suboptimal performance.

Remediation

From Azure Portal

From Azure Home select the Portal Menu
Select your Azure Database for MySQL server
For each database, under the Settings section in the sidebar, select Server parameters
Update the audit_log_enabled parameter to ON
Select the event types to be logged by updating the audit_log_events parameter; ensure CONNECTION is set
Under the Monitoring section in the sidebar, select Diagnostic settings.
Provide a diagnostic setting name
Specify which data sinks to send the audit logs (storage account, event hub, and/or Log Analytics workspace)
Select "MySqlAuditLogs" as the log type
Once you've configured the data sinks to pipe the audit logs to, you can click Save
Access the audit logs by exploring them in the data sinks you configured. It may take up to 10 minutes for the logs to appear

Default Value

By default audit_log_events is disabled.

Usage

Run the control in your terminal:

powerpipe control run azure_compliance.control.cis_v150_4_4_4

Snapshot and share results via Turbot Pipes:

powerpipe login
powerpipe control run azure_compliance.control.cis_v150_4_4_4 --share

SQL

This control uses a named query:

mysql_server_audit_logging_events_connection_set