# elasticsearch-node-to-node-encryption-check
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Check that Amazon OpenSearch Service nodes are encrypted end to end. The rule is NON\$1COMPLIANT if the node-to-node encryption is disabled on the domain. 



**Identifier:** ELASTICSEARCH\$1NODE\$1TO\$1NODE\$1ENCRYPTION\$1CHECK

**Resource Types:** AWS::Elasticsearch::Domain

**Trigger type:** Configuration changes

**Amazon Web Services Region:** All supported Amazon regions

**Parameters:**

None  

## Proactive Evaluation
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 For steps on how to run this rule in proactive mode, see [Evaluating Your Resources with Amazon Config Rules](./evaluating-your-resources.html#evaluating-your-resources-proactive). For this rule to return COMPLIANT in proactive mode, the resource configuration schema for the [StartResourceEvaluation](https://docs.amazonaws.cn/config/latest/APIReference/API_StartResourceEvaluation.html) API needs to include the following inputs, encoded as a string: 

```
"ResourceConfiguration":
...
{
   "NodeToNodeEncryptionOptions": BOOLEAN
} 
...
```

 For more information on proactive evaluation, see [Evaluation Mode](./evaluate-config-rules.html). 

## Amazon CloudFormation template
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To create Amazon Config managed rules with Amazon CloudFormation templates, see [Creating Amazon Config Managed Rules With Amazon CloudFormation Templates](aws-config-managed-rules-cloudformation-templates.md).