AWS Certified Cloud Practitioner

VPC Security: Security Groups and Network ACLs

Learn the two firewalls built into every VPC: security groups at the instance level and network ACLs at the subnet level, and how stateful and stateless filtering differ.

Beginner 14 minutes 4 Learning Objectives
  1. Explain how a security group controls traffic at the instance level and why it is stateful
  2. Describe how a network ACL controls traffic at the subnet level and why it is stateless
  3. Compare security groups and network ACLs across their key differences
  4. Identify how the two work together as layered defense