AWS Cloud Formation Basics - AWS CloudFormation Stack Update

The video tutorial demonstrates how to update an AWS CloudFormation stack by modifying security group rules. It begins with an overview of the EC2 instance and web server setup, followed by a step-by-step guide on updating the stack using CloudFormation. The tutorial covers editing security group rules, validating the template, creating a new stack version, and verifying the changes. The process is shown to be straightforward, with all configuration values automatically picked up from the previous setup.

What is the significance of the inbound rules in the context of EC2 instances?

Describe the process of refreshing the web server security group after an update.