7.7 Ensure swarm manager auto-lock key is rotated periodically

Information

Rotate swarm manager auto-lock key periodically.
Rationale:
Swarm manager auto-lock key is not automatically rotated. You should rotate them periodically as a best practice.
NOTE: Nessus has not performed this check. Please review the benchmark to ensure target compliance.

Solution

Run the below command to rotate the keys.
docker swarm unlock-key --rotate
Additionally, to facilitate audit for this recommendation, maintain key rotation records and ensure that you establish a pre-defined frequency for key rotation.
Impact:
None
Default Value:
By default, keys are not rotated automatically.

See Also

https://workbench.cisecurity.org/files/1726