How to do it...

  1. Log in to your AWS account and open the VPC Dashboard.
 VPC Dashboard
  1. Click on Network ACLs from the left menu bar under the Security menu. Default NACLs created with a default VPC and other VPCs that we created in Chapter 1, Getting Started with AWS Networking Components, appear on the screen. If you click on Inbound Rules and Outbound Rules, you will see that there is a rule number 100 which allows all traffic with all protocols from all ports. So effectively, the firewall is all open and traffic from any source, protocol, and port can connect to resources in this NACL. In the Subnet Associations tab, you can see that ...

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