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AnupamMahapatra
AnupamMahapatra

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Self-Referencing Security Groups on AWS

A snapshot of self referencing Security group on AWS

---
Description: Create a VPC with a SG which references itself
AWSTemplateFormatVersion: '2010-09-09'
Resources:
  vpctester:
    Type: AWS::EC2::VPC
    Properties:
      CidrBlock: 172.16.0.0/23
      EnableDnsSupport: false
      EnableDnsHostnames: false
      InstanceTenancy: default
      Tags:
      - Key: Name
        Value: vpctester
  sgtester:
    Type: AWS::EC2::SecurityGroup
    DependsOn: vpctester
    Properties:
      GroupDescription: vpc tester sg
      VpcId:
        Ref: vpctester
  sgtesteringress:
    Type: AWS::EC2::SecurityGroupIngress
    DependsOn: sgtester
    Properties:
      GroupId:
        Ref: sgtester
      IpProtocol: tcp
      FromPort: '0'
      ToPort: '65535'
      SourceSecurityGroupId:
        Ref: sgtester
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