- Key Features of CloudFront: https://aws.amazon.com/cloudfront/features/?nc=sn&loc=2
- CloudFront Pricing: https://aws.amazon.com/cloudfront/pricing/?nc=sn&loc=3
- Lambda@Edge: https://aws.amazon.com/lambda/edge/
- Restricting Access to Amazon S3 Content by Using an Origin Access Identity: https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/private-content-restricting-access-to-s3.html
- HTTP method definitions: https://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html
- CloudFront Cache Behavior: https://docs.aws.amazon.com/cloudfront/latest/APIReference/API_CacheBehavior.html