CloudFront distributions should be configured with a default root object

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Description

This evaluation determines if an Amazon CloudFront distribution is set up to provide a designated object as the default root object. The evaluation is marked as failed if the CloudFront distribution lacks a configured default root object.

When a user accesses the root URL of the distribution rather than a specific file, having a default root object specified helps to prevent the disclosure of the entire contents of the web distribution.

Remediation

For instructions on setting up a default root object in a CloudFront distribution, refer to the section on specifying a default root object in the Amazon CloudFront Developer Guide.