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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-242463r712745_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 | 2021-11-22 |
Details
| Check Text ( C-45738r712743_chk ) |
|---|
| Change to the /etc/kubernetes/manifests/ directory on the Kubernetes Master Node. 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-45696r712744_fix) |
|---|
| Edit the Kubernetes API Server manifest file in the /etc/kubernetes/manifests directory on the Kubernetes Master Node. Set the value of "--audit-log-maxbackup" to a minimum of "10". |