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1.1.9 Ensure that the Container Network Interface file permissions are set to 644 or more restrictive

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Information

Ensure that the Container Network Interface files have permissions of 644 or more restrictive.

Rationale:

Container Network Interface provides various networking options for overlay networking. You should consult their documentation and restrict their respective file permissions to maintain the integrity of those files. Those files should be writable by only the administrators on the system.

Solution

Run the below command (based on the file location on your system) on the master node. For example,

chmod 644 <path/to/cni/files>

Impact:

None

Default Value:

NA

References:

https://kubernetes.io/docs/concepts/cluster-administration/networking/

See Also

https://workbench.cisecurity.org/files/2662

Item Details

Category: CONFIGURATION MANAGEMENT

References: 800-53|CM-6, CSCv6|5.1, CSCv7|5.2

Plugin: Unix

Control ID: 4d009be51a645c34a92c8ec23fc0c4ef46e63754679a00fc402fb6e06b0ec5ca