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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 restricted

Verify that 'Enforce SSL connection' is set to 'ENABLED' for PostgreSQL Database Server

Framework Reference: A.8.24 Integration: Azure – PostgreSQL Server

Why this matters

Enforcing SSL connections ensures that data transmitted between client applications and the PostgreSQL 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 PostgreSQL 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 PostgreSQL Single Server
  • Azure PostgreSQL Flexible Server
  • The check queries the SSL enforcement setting via Azure's management API.

How to fix it

Use the Azure Portal, CLI, or PowerShell to enforce SSL connections.

Azure Portal:

  1. Go to your PostgreSQL server in the Azure Portal.
  2. Navigate to Connection security.
  3. Locate the Enforce SSL connection setting.
  4. Set it to Enabled and click Save.

Azure CLI:

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

PowerShell:

Update-AzPostgreSqlServer `  -ResourceGroupName "<ResourceGroupName>" `  -ServerName "<ServerName>" `  -SslEnforcement Enabled

Replace the placeholders with values relevant to your Azure deployment.

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.

Further resources

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