github.com/khulnasoft-lab/defsec@v1.0.5-0.20230827010352-5e9f46893d95/avd_docs/aws/ec2/AVD-AWS-0107/CloudFormation.md (about)

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