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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 Server Parameter 'log_checkpoints' is set to 'ON' for PostgreSQL Database Server

Framework Reference: A.8.15 Integration: Azure – PostgreSQL Server

Why this matters

Checkpoints are critical events in PostgreSQL that flush in-memory data to disk and update the database’s write-ahead log. Enabling log_checkpoints ensures that each checkpoint is recorded in the query and error logs, providing essential visibility into the database’s internal operations.

Without this setting, issues related to checkpoint frequency, disk I/O, or performance bottlenecks can go undetected. Logging checkpoints supports effective monitoring, tuning, and troubleshooting of PostgreSQL systems.

What this check does

This Auto Check verifies whether the PostgreSQL server parameter log_checkpoints is enabled.

Check Logic:
Passes if:

log_checkpoints is explicitly set to on.

Fails if:

log_checkpoints is unset, null, or set to off.

Applies to:

  • Azure PostgreSQL Single Server
  • Azure PostgreSQL Flexible Server
  • The check retrieves the parameter status through Azure’s configuration API and matches it against the expected string value on.

How to fix it

Use one of the following methods to enable log_checkpoints.

Azure Portal:

  1. Navigate to Azure Database for PostgreSQL servers.
  2. Select your server and open Server parameters.
  3. Search for log_checkpoints.
  4. Set the value to ON.
  5. Click Save.

Azure CLI:

az postgres server configuration set \  --resource-group <resourceGroupName> \  --server-name <serverName> \  --name log_checkpoints \  --value on

PowerShell:

Update-AzPostgreSqlConfiguration `  -ResourceGroupName "<ResourceGroupName>" `  -ServerName "<ServerName>" `  -Name "log_checkpoints" `  -Value "on"

Replace placeholder values with those from your actual Azure configuration.

Exceptions

No exceptions are recommended. Logging checkpoints is a low-overhead setting that supports critical operational diagnostics. If disabled due to log volume concerns, document the decision and implement compensating visibility measures.

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