Docker
TMA-DOCKER-7.7
Ensure that node certificates are rotated as appropriate
説明
You should rotate swarm node certificates in line with your organizational security policy. Docker Swarm uses TLS for clustering operations between its nodes. Certificate rotation ensures that in an event such as a compromised node or key, it is difficult to impersonate a node. Reported as a manual review item: the audit needs a site-specific judgement.
チェック方法
監査方法: 手動レビュー
Run one of the commands below and ensure that the node certificate Expiry Duration is set as appropriate. docker info | grep "Expiry Duration" docker info --format 'NodeCertExpiry: {{ .Swarm.Cluster.Spec.CAConfig.NodeCertExpiry }}'
修正方法
修正方法: ガイダンスまたは IaC パッチ
You should run the command to set the desired expiry time on the node certificate. For example: docker swarm update --cert-expiry 48h
プロパティ
- オペレーティングシステム
- すべて
- タグ
- dockermanual
- 参照
- CIS Docker Benchmark v1.9.0 - 7.7 Ensure that node certificates are rotated as appropriate