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Azure Auto Checks Detailed Explanations
Verify that Server Parameter 'log_retention_days' is greater than 3 days for PostgreSQL Database ServerVerify that server parameter 'connection_throttling' is set to 'ON' for PostgreSQL Database ServerVerify that server parameter 'log_disconnections' is set to 'ON' for PostgreSQL Database ServerVerify that server parameter 'log_connections' is set to 'ON' for PostgreSQL Database ServerVerify that 'Enforce SSL connection' is set to 'ENABLED' for PostgreSQL Database ServerVerify that Server Parameter 'log_checkpoints' is set to 'ON' for PostgreSQL Database ServerVerify that Activity Log Alert exists for Create Policy AssignmentVerify that Activity Log Alert exists for Create or Update Public IP Address ruleVerify that Activity Log Alert exists for Delete SQL Server Firewall RuleVerify that Activity Log Alert exists for Create or Update SQL Server Firewall RuleVerify that Activity Log Alert exists for Delete Network Security GroupVerify that the storage account containing the container with activity logs is encrypted with Customer Managed KeyVerify that Activity Log Alert exists for Delete Policy AssignmentVerify that Activity Log Alert exists for Create or Update Network Security GroupVerify that Diagnostic Setting captures appropriate categoriesVerify that Activity Log Alert exists for Create or Update Security SolutionVerify that Activity Log Alert exists for Delete Public IP Address ruleVerify that logging for Azure AppService 'HTTP logs' is enabledVerify that logging for Azure Key Vault is 'Enabled'Verify that the Expiration Date is set for all Keys in RBAC Key VaultsEnable Role Based Access Control for Azure Key VaultVerify that Private Endpoints are Used for Azure Key VaultVerify that the Key Vault is RecoverableVerify that HTTP(S) access from the Internet is evaluated and restrictedVerify that SSH access from the Internet is evaluated and restrictedVerify that Network Security Group Flow Log retention period is 'greater than 90 days'Verify that Network Watcher is 'Enabled' for all locations in the Azure subscriptionVerify that RDP access from the Internet is evaluated and restrictedVerify that That 'Firewalls & Networks' Is Limited to Use Selected Networks Instead of All NetworksVerify that That Private Endpoints Are Used Where PossibleVerify that 'Enforce SSL connection' is set to 'Enabled' for Standard MySQL Database ServerVerify that 'TLS Version' is set to 'TLSV1.2' for MySQL flexible Database Server

Verify that 'Enforce SSL connection' is set to 'Enabled' for Standard MySQL Database Server

Framework Reference: A.8.24 Integration: Azure – MySQL Single Server

Why this matters
Enforcing SSL connections ensures that data transmitted between client applications and the MySQL database server is encrypted in transit. This protects sensitive information—such as credentials and query data—from interception or tampering by malicious actors. Without SSL enforcement, unencrypted traffic may be vulnerable to "man-in-the-middle" (MitM) attacks, exposing organizations to both operational and compliance risks. Enabling this setting is a foundational control for maintaining secure data flows in cloud environments.

What this check does
This Auto Check verifies whether SSL enforcement is enabled on the MySQL server.

Check Logic:
Passes if:

  • The sslEnforcement parameter is set to Enabled

Fails if:

  • The parameter is unset, null, or set to Disabled

Applies to:

  • Azure Database for MySQL – Single Server
  • The check queries the SSL enforcement setting via Azure’s management API.

How to fix it

Azure Portal:

  1. Go to Azure Database for MySQL servers
  2. Select the server to configure
  3. Click Connection security
  4. Under SSL settings, set Enforce SSL connection to Enabled
  5. Click Save

Azure CLI:

az mysql server update \  --resource-group <resourceGroupName> \  --name <serverName> \  --ssl-enforcement Enabled

PowerShell:

Not supported via PowerShell per current CIS guidance. Use CLI or Portal.

Exceptions
No standard exceptions are recommended. If SSL enforcement must be disabled for application compatibility, document the business justification and implement compensating controls such as application-level encryption or private networking.

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