Ensure that node certificates are rotated as appropriate

MoyenneNiveau 1Revue manuelledocker

Description

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.

Méthode de vérification

Méthode d'audit: Revue manuelle

Cette recommandation ne peut pas être vérifiée automatiquement. Une analyse la liste avec ces instructions lorsque vous passez --include-manual.

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 }}'

Méthode de correction

Méthode de correction: Recommandation ou correctif d'infrastructure

You should run the command to set the desired expiry time on the node certificate. For example: docker swarm update --cert-expiry 48h

Propriétés

Systèmes d'exploitation: Tous
Étiquettes: dockermanual
Référence: CIS Docker Benchmark v1.9.0 - 7.7 Ensure that node certificates are rotated as appropriate