subnet-auto-assign-public-ip-disabled

Checks if Amazon Virtual Private Cloud (Amazon VPC) subnets are assigned a public IP address. The rule is COMPLIANT if Amazon VPC does not have subnets that are assigned a public IP address. The rule is NON_COMPLIANT if Amazon VPC has subnets that are assigned a public IP address.

Identifier: SUBNET_AUTO_ASSIGN_PUBLIC_IP_DISABLED

Resource Types: AWS::EC2::Subnet

Trigger type: Configuration changes

AWS Region: All supported AWS regions

Parameters:

None

Proactive Evaluation

For steps on how to run this rule in proactive mode, see Evaluating Your Resources with AWS Config Rules. For this rule to return COMPLIANT in proactive mode, the resource configuration schema for the StartResourceEvaluation API needs to include the following inputs, encoded as a string:

"ResourceConfiguration":
...
{
   "MapPublicIpOnLaunch": BOOLEAN
} 
...

For more information on proactive evaluation, see Evaluation Mode.

AWS CloudFormation template

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