Category: HAQM CloudFront

Using a content delivery network (CDN) such as HAQM CloudFront to cache and serve static text and images or downloadable objects such as media files and documents is a common strategy to improve webpage load times, reduce network bandwidth costs, lessen the load on web servers, and mitigate distributed denial of service (DDoS) attacks. AWS […]

AWS is committed to providing you high availability, security, and resiliency in the face of bad actors on the Internet. As part of this commitment, AWS provides tools, best practices, and AWS services that you can use to build distributed denial of services (DDoS)–resilient applications. We recently released the 2016 version of the AWS Best […]

Note from July 3, 2017: The solution in this post has been integrated into AWS WAF Security Automations, and AWS maintains up-to-date solution code in the companion GitHub repository.   Some Internet operations trust that clients are “well behaved.” As an operator of a publicly accessible web application, for example, you have to trust that the clients […]

Note from April 1, 2021: Before implementing the steps in this blog post, please request an EC2 limit increase for “rules per security group.” Ask for 220 rules per security group in the AWS Region where your security groups will be. Note from December 3, 2019: The features and services described in this post have […]