# approved-amis-by-id
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Checks if EC2 instances are using specified Amazon Machine Images (AMIs). Specify a list of approved AMI IDs. Running instances with AMIs that are not on this list are NON\$1COMPLIANT. 



**Identifier:** APPROVED\$1AMIS\$1BY\$1ID

**Resource Types:** AWS::EC2::Instance

**Trigger type:** Configuration changes

**AWS Region:** All supported AWS regions

**Parameters:**

amiIdsType: CSV  
Comma-separated list of AMI IDs. There is a 1024 characters limit.

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