AWS – Amazon Virtual Private Cloud (VPC) customers can now use their own Prefix Lists to simplify the configuration of security groups and route tables

Amazon Virtual Private Cloud (VPC) now allows you to create your own Prefix Lists that can be easily audited and applied across all your accounts to have a consistent security posture and routing behavior. A Prefix List is a collection of CIDR blocks that can be used to configure VPC security groups and route tables and shared with other AWS accounts using Resource Access Manager (RAM).

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