Book Image

Practical AWS Networking

By : Mitesh Soni
Book Image

Practical AWS Networking

By: Mitesh Soni

Overview of this book

Amazon Web Services (AWS) dominates the public cloud market by a huge margin and continues to be the first choice for many organizations. Networking has been an area of focus for all the leading cloud service providers. AWS has a suite of network-related products which help in performing network related task on AWS. This book initially covers the basics of networking in AWS. Then we use AWS VPC to create an isolated virtual cloud for performing network-related tasks. We then provide an overview of AWS Direct Connect after taking a deep dive into scalability and load balancing using the auto scaling feature, Elastic Load Balancing, and Amazon Route S3. Toward the end of the book, we cover troubleshooting tips and security best practices for your network. By the end of this book, you will have hands-on experience of working with network tasks on AWS.
Table of Contents (15 chapters)
Title Page

Network ACLs

Security groups work like firewalls and manage inbound and outbound traffic based on configured rules at the instance level. On the other hand, Network Access Control Lists (ACLs) provide an additional layer of security. Network ACLs work like firewalls and manage inbound and outbound traffic based on configured rules at the subnet level. Let's visit Network ACLs in the AWS Management Portal to find out more:

  1. Go to the VPC Dashboard and verify the number of Network ACLs that are available:
  1. Click on Network ACLs in the left sidebar and check the Summary section. There are three subnets associated with it, as shown in the following screenshot:
  1. Go to the Inbound Rules tab and check whether there are any Allow or Deny rules available. Security groups only support allow rules:
  1. Go to the Outbound Rules tab and check...