Ensure that node certificates are rotated as appropriate

MittelStufe 1Manuelle Prüfungdocker

Beschreibung

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.

So wird geprüft

Prüfmethode: Manuelle Prüfung

Diese Empfehlung kann nicht automatisch geprüft werden. Ein Scan führt sie mit diesen Anweisungen auf, wenn Sie --include-manual übergeben.

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 }}'

So wird behoben

Behebungsmethode: Anleitung oder Infrastruktur-Patch

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

Eigenschaften

Betriebssysteme: Beliebig
Tags: dockermanual
Referenz: CIS Docker Benchmark v1.9.0 - 7.7 Ensure that node certificates are rotated as appropriate