Chiwai Chan's Blog

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Transit Gateway

Leveraging AWS Prefix Lists

AWS VPC Prefix List is a feature of the AWS Networking that has been around for a short while, however, I have yet to see it leveraged to its full potential, and more often than not I have not seen them used at all. There are 2 types of Prefix Lists: AWS-managed Prefix Lists: as […]

Work-around for cross-account Transit Gateway Security Group Reference

Have you ever tried to create a Security Group with a Source or Destination rule that references another Security Group? how about referencing a Security Group from another AWS account to allow ingress network traffic over a Transit Gateway architecture? if this question peaked your interest then you should keep reading. In this blog we […]

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