github.com/aquasecurity/trivy-iac@v0.8.1-0.20240127024015-3d8e412cf0ab/avd_docs/aws/ec2/AVD-AWS-0102/CloudFormation.md (about)

     1  
     2  Set specific allowed ports
     3  
     4  ```yaml---
     5  AWSTemplateFormatVersion: 2010-09-09
     6  Description: Good example of excessive ports
     7  Resources: 
     8    NetworkACL:
     9      Type: AWS::EC2::NetworkAcl
    10      Properties:
    11        VpcId: "something"
    12  	  RuleAction: "allow"
    13    Rule:
    14      Type: AWS::EC2::NetworkAclEntry
    15      Properties:
    16        RuleAction: "allow"
    17        NetworkAclId:
    18          Ref: NetworkACL
    19        Protocol: 6
    20  
    21  ```
    22  
    23