Ensure that the default ulimit is overwritten at runtime if needed

MoyenneNiveau 1Revue manuelledocker

Description

The default ulimit is set at the Docker daemon level. However, if you need to, you may override the default ulimit setting during container runtime. ulimit provides control over the resources available to the shell and to processes started by it. Setting system resource limits in a prudent fashion, protects against denial of service conditions. 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.

You should run the command below: docker ps --quiet --all | xargs docker inspect --format '{{ .Id }}: Ulimits={{ .HostConfig.Ulimits }}' This command should return Ulimits=<no value> for each container instance unless there is a need in a specific case to override the default settings.

Méthode de correction

Méthode de correction: Recommandation ou correctif d'infrastructure

You should only override the default ulimit settings if needed in a specific case. For example, to override default ulimit settings start a container as below: docker run -ti -d --ulimit nofile=1024:1024 centos sleep 1000

Propriétés

Systèmes d'exploitation: Tous
Étiquettes: dockermanual
Référence: CIS Docker Benchmark v1.9.0 - 5.19 Ensure that the default ulimit is overwritten at runtime if needed