AWSTemplateFormatVersion: "2010-09-09"
Description: ""
Resources:
  ConfigRule:
    Type: "AWS::Config::ConfigRule"
    Properties:
      ConfigRuleName: "internet-gateway-authorized-vpc-only"
      Scope:
        ComplianceResourceTypes:
          - "AWS::EC2::InternetGateway"
      Description: "A config rule that checks that Internet gateways (IGWs) are only attached to an authorized Amazon Virtual Private Cloud (VPCs). The rule is NON_COMPLIANT if IGWs are not attached to an authorized VPC."
      Source:
        Owner: "AWS"
        SourceIdentifier: "INTERNET_GATEWAY_AUTHORIZED_VPC_ONLY"
Parameters: {}
Metadata: {}
Conditions: {}