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The Kubernetes API Server must be set to audit log maximum backup.


Overview

Finding ID Version Rule ID IA Controls Severity
V-242463 CNTR-K8-003300 SV-242463r864028_rule Medium
Description
The Kubernetes API Server must set enough storage to retain logs for monitoring suspicious activity and system misconfiguration, and provide evidence for Cyber Security Investigations.
STIG Date
Kubernetes Security Technical Implementation Guide 2022-12-02

Details

Check Text ( C-45738r863928_chk )
Change to the /etc/kubernetes/manifests/ directory on the Kubernetes Control Plane. Run the command:
grep -i audit-log-maxbackup *

If the setting "audit-log-maxbackup" is not set in the Kubernetes API Server manifest file or it is set less than "10", this is a finding.
Fix Text (F-45696r863929_fix)
Edit the Kubernetes API Server manifest file in the /etc/kubernetes/manifests directory on the Kubernetes Control Plane. Set the value of "--audit-log-maxbackup" to a minimum of "10".