AWS Config
Developer Guide

elasticsearch-encrypted-at-rest

Checks whether Amazon Elasticsearch Service (Amazon ES) domains have encryption at rest configuration enabled. The rule is NON_COMPLIANT if the EncryptionAtRestOptions field is not enabled.

Identifier: ELASTICSEARCH_ENCRYPTED_AT_REST

Trigger type: Periodic

Parameters:

None

AWS CloudFormation template

To create AWS Config managed rules with AWS CloudFormation templates, see Creating AWS Config Managed Rules With AWS CloudFormation Templates.