How can I copy rules from an existing security group to a new security group?

You can copy rules from a security group to a new security group created within the same Region.

1. Open the Amazon Elastic Compute Cloud (Amazon EC2) console.
2. In the navigation pane, choose Security Groups.
3. Select the security group you'd like to copy.
4. For Actions, choose Copy to new.
   The Create Security Group dialog opens, and is populated with the rules from your existing security group.
5. Specify a Security group name and Description for your new security group.
6. For VPC, choose the ID of the VPC.
7. Choose Create.