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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 no Azure SQL Databases allow ingress from 0.0.0.0/0 (ANY IP)Verify 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 ServerVerify that SQL server's Transparent Data Encryption (TDE) protector is encryptedVerify that 'Auditing' Retention is 'greater than 90 days'Verify that Application Insights are Configured.Verify that 'Restrict non-admin users from creating tenants' is set to 'Yes'Verify that 'Guest invite restrictions' is set to 'Only users assigned to specific admin roles can invite guest users'Verify that That 'Guest users access restrictions' is set to 'Guest user access is restricted to properties and memberships of their own directory objects'Ensure Microsoft Defender for open-source relational databases is enabledVerify that That Microsoft Defender for App Services Is Set To 'On' Verify that That 'Notify about alerts with the following severity' is Set to 'High'Verify that 'Additional email addresses' is Configured with a Security Contact EmailVerify that That Microsoft Defender for SQL Servers on Machines Is Set To 'On' Verify that That 'All users with the following roles' is set to 'Owner'Verify that That Microsoft Defender for Storage Is Set To 'On'

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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