no-unrestricted-route-to-igw

Checks if route tables have inputs other than these default values: CIDR block of ‘0.0.0.0/0’ as the Destination for IPv4 or ‘::/0’ for IPv6, and ‘igw-id’ as the Target. The rule is NON_COMPLIANT if you keep defaults.

Identifier: NO_UNRESTRICTED_ROUTE_TO_IGW

Resource Types: AWS::EC2::RouteTable

Trigger type: Configuration changes

AWS Region: All supported AWS regions except China (Beijing), Asia Pacific (Jakarta), Middle East (UAE), Asia Pacific (Hyderabad), Asia Pacific (Osaka), Asia Pacific (Melbourne), AWS GovCloud (US-East), AWS GovCloud (US-West), Europe (Spain), China (Ningxia), Europe (Zurich) Region

Parameters:

routeTableIds (Optional)

Type: CSV

Comma-separated list of route table IDs that can have routes to an Internet Gateway with a destination CIDR block of '0.0.0.0/0' or '::/0'.

AWS CloudFormation template

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