github.com/khulnasoft-lab/defsec@v1.0.5-0.20230827010352-5e9f46893d95/avd_docs/aws/vpc/AVD-AWS-0104/CloudFormation.md (about)

     1  
     2  Set a more restrictive cidr range
     3  
     4  ```yaml
     5  ---
     6  AWSTemplateFormatVersion: "2010-09-09"
     7  Description: A sample template
     8  AWSTemplateFormatVersion: 2010-09-09
     9  Description: Good example of egress rule
    10  Resources:
    11    BadSecurityGroup:
    12      Type: AWS::EC2::SecurityGroup
    13      Properties:
    14        GroupDescription: Limits security group egress traffic
    15        SecurityGroupEgress:
    16        - CidrIp: 127.0.0.1/32
    17          IpProtocol: "6"
    18  ```