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TMA-DOCKER-7.1

Ensure that the minimum number of manager nodes have been created in a swarm

Trung bìnhCấp 1Xem xét thủ côngdocker

Mô tả

You should ensure that the minimum number of required manager nodes is created in a swarm. Manager nodes within a swarm have control over the swarm and can change its configuration, including modifying security parameters. Having excessive manager nodes could render the swarm more susceptible to compromise. Reported as a manual review item: the audit needs a site-specific judgement.

Cách kiểm tra

Phương pháp kiểm tra: Xem xét thủ công

Khuyến nghị này không thể kiểm tra tự động. Lần quét sẽ liệt kê mục này kèm hướng dẫn khi bạn truyền cờ --include-manual.

Run docker info and verify the number of managers. docker info --format '{{ .Swarm.Managers }}' Alternatively run the below command. docker node ls | grep 'Leader' Expected state: If an excessive number of managers is configured, the excess nodes can be demoted to workers using the following command: docker node demote <ID> Where <ID> is the node ID value of the manager to be demoted.

Cách khắc phục

Phương pháp khắc phục: Hướng dẫn hoặc bản vá hạ tầng

If an excessive number of managers is configured, the excess nodes can be demoted to workers using the following command: docker node demote <ID> Where <ID> is the node ID value of the manager to be demoted.

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dockermanual
Tham chiếu
CIS Docker Benchmark v1.9.0 - 7.1 Ensure that the minimum number of manager nodes have been created in a swarm