cis-k8s-v1111-1.2.17

DevOps & Security

Ensure that the --audit-log-maxage argument is set to 30 or as appropriate (Automated)

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Source SKILL.md: https://github.com/CyberStrikeus/CyberStrike/blob/HEAD/.cyberstrike/skill/CIS_benchmarks/Server_Software/Kubernetes/CIS_Kubernetes_Benchmark_v1.11.1/cis-k8s-v1111-1.2.17/SKILL.md

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1.2.17 Ensure that the --audit-log-maxage argument is set to 30 or as appropriate (Automated)

Profile Applicability

Level 1 - Master Node

Description

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

Rationale

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.

Impact

None

Audit

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

Default Value

By default, auditing is not enabled.

References

CIS Controls

Controls Version	Control	IG 1	IG 2	IG 3
v8	8.3 Ensure Adequate Audit Log Storage	x	x	x
v7	6.4 Ensure adequate storage for logs		x	x