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📝 Azure MySQL Flexible Server audit_log_enabled Parameter is not set to ON 🟢

  • Contextual name: 📝 Flexible Server audit_log_enabled Parameter is not set to ON 🟢
  • ID: /ce/ca/azure/mysql-database/flexible-server-audit-log-enabled-parameter
  • Located in: 📁 Azure MySQL Database

Flags​

Our Metadata​

  • Policy Type: COMPLIANCE_POLICY
  • Policy Category:
    • RELIABILITY
    • PERFORMANCE

Logic​

Description​

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Description​

Enable audit_log_enabled on MySQL flexible servers.

Rationale​

Enabling audit_log_enabled helps MySQL Database to log items such as connection attempts to the server, DDL/DML access, and more. Log data can be used to identify, troubleshoot, and repair configuration errors and suboptimal performance.

Impact​

There are further costs incurred for storage of logs. For high traffic databases these logs will be significant. Determine your organization's needs before enabling.

Audit​

From Azure Portal​
  1. Login to Azure Portal using https://portal.azure.com.
  2. Select Azure Database for MySQL Servers.
  3. For each database, under the Settings, click Server parameters.
  4. In the filter bar, type audit_log_enabled.
  5. Ensure that the VALUE for audit_log_enabled is ON.
From Azure CLI​

Ensure the below command returns a value of on:

az mysql flexible-server parameter show --resource-group <resourceGroup> --server-name <serverName> --name audit_log_enabled
From PowerShell​

Ensure the below command returns a value of on:

... see more

Remediation​

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Remediation​

From Azure Portal​

Part 1 - Turn on audit logs​
  1. Login to Azure Portal using https://portal.azure.com.
  2. Go to Azure Database for MySQL flexible servers.
  3. For each database, under Settings, click Server parameters.
  4. Set audit_log_enabled to ON.
  5. Click Save.
Part 2 - Capture audit logs (diagnostic settings is for example only, send these logs to the appropriate data sink for your logging needs)​
  1. Under Monitoring, select Diagnostic settings.
  2. Select + Add diagnostic setting.
  3. Provide a diagnostic setting name.
  4. Under Categories, select MySQL Audit Logs.
  5. Specify destination details.
  6. Click Save.

It may take up to 10 minutes for the logs to appear in the configured destination.

From Azure CLI​

Use the below command to enable audit_log_enabled:

az mysql flexible-server parameter set --resource-group <resourceGroup> --server-name <serverName> --name audit_log_enabled --value on

From PowerShell​

Use the below command to enable audit_log_enabled:

Update-AzMySqlFlexibleServerConfiguration -ResourceGroupName <resourceGroup> -ServerName <serverName> -Name audit_log_enabled -Value on

... [see more](remediation.md)

policy.yaml​

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Linked Framework Sections​

SectionSub SectionsInternal RulesPoliciesFlags
💼 CIS Azure v3.0.0 → 💼 5.3.3 Ensure server parameter 'audit_log_enabled' is set to 'ON' for MySQL flexible server (Automated)1
💼 Cloudaware Framework → 💼 Logging and Monitoring Configuration49