turbot/azure_compliance

Control: 4.3.6 Ensure Server Parameter 'log_retention_days' is greater than 3 days for PostgreSQL Database Server

Description

Ensure log_retention_days on PostgreSQL Servers is set to an appropriate value.

Configuring log_retention_days determines the duration in days that Azure Database for PostgreSQL retains log files. Query and error logs can be used to identify, troubleshoot, and repair configuration errors and sub-optimal performance.

Remediation

From Azure Portal

  1. From Azure Home select the Portal Menu.
  2. Go to Azure Database for PostgreSQL servers.
  3. For each database, click on Server parameters.
  4. Search for log_retention_days.
  5. Input a value between 4 and 7 (inclusive) and click Save.

From Azure CLI

Use the below command to update log_retention_days configuration.

az postgres server configuration set --resource-group <resourceGroupName> --server-name <serverName> --name log_retention_days --value <4-7>

From Powershell

Use the below command to update log_retention_days configuration.

Update-AzPostgreSqlConfiguration -ResourceGroupName <ResourceGroupName> - ServerName <ServerName> -Name log_retention_days -Value <4-7>

Default Value

By default log_retention_days is set to 3.

Usage

Run the control in your terminal:

powerpipe control run azure_compliance.control.cis_v210_4_3_6

Snapshot and share results via Turbot Pipes:

powerpipe login
powerpipe control run azure_compliance.control.cis_v210_4_3_6 --share

SQL

This control uses a named query:

postgres_db_server_log_retention_days_3

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