When you migrate an application that uses an F5 Load balancer to Amazon Web Services (AWS) and want to use an Application Load Balancer on AWS, migrating F5 rules for header modifications is a common problem. An Application Load Balancer doesn’t support header modifications, but you can use Amazon CloudFront as a content delivery network (CDN) and Lambda@Edge to modify headers.
This pattern describes the required integrations and provides sample code for header modification by using AWS CloudFront and Lambda@Edge.
