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AWS CloudFormation example that allows a security group rule to reference the same security group as the source.
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| { | |
| "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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Thanks, it was helpful