C-0131 - Ensure that the API Server --audit-log-maxage argument is set to 30 or as appropriate

Framework

cis-v1.23-t1.0.1

Severity

Medium

Description of the the issue

Retaining logs for at least 30 days ensures that you can go back in time and investigate or correlate any events. Set your audit log retention period to 30 days or as per your business requirements.

Related resources

Pod

What does this control test

Retain the logs for at least 30 days or as appropriate.

How to check it manually

Run the following command on the Control Plane node:

ps -ef | grep kube-apiserver

Verify that the --audit-log-maxage argument is set to 30 or as appropriate.

Remediation

Edit the API server pod specification file /etc/kubernetes/manifests/kube-apiserver.yaml on the Control Plane node and set the --audit-log-maxage parameter to 30 or as an appropriate number of days:

--audit-log-maxage=30

Impact Statement

None

Default Value

By default, auditing is not enabled.

Example

No example