AWSTemplateFormatVersion: "2010-09-09"
Description: ""
Resources:
  SecurityGroup:
    Type: "AWS::EC2::SecurityGroup"
    Properties:
      GroupDescription: "A security group that allows inbound DNS traffic (TCP and UDP port 53)."
      VpcId: ""
      SecurityGroupEgress:
        - FromPort: -1
          ToPort: -1
          IpProtocol: "-1"
          Description: ""
          CidrIp: "0.0.0.0/0"
      SecurityGroupIngress:
        - FromPort: 53
          ToPort: 53
          IpProtocol: "udp"
          Description: "Allow DNS traffic - UDP 53"
          CidrIp: ""
        - FromPort: 53
          ToPort: 53
          IpProtocol: "tcp"
          Description: "Allow DNS traffic - TCP 53"
          CidrIp: ""
      GroupName: "allow-dns-traffic"
Parameters: {}
Metadata: {}
Conditions: {}