Instead of writing our own firewall rules to inspect and filter requests, we want to leverage an AWS Managed Rules rule group. Given that you have an existing web application defined in AWS CDK, we want to add a WAFv2 web ACL to its entrypoint. AWS WAFv2 can protect endpoints built by Amazon CloudFront, Amazon API Gateway, Application Load Balancer and AWS AppSync AWS services terminate the TCP/TLS connection, process incoming HTTP requests, and then pass the request to AWS WAF for inspection and filtering.įigure 1. It can be natively enabled on CloudFront, API Gateway, Application Load Balancer, or AWS AppSync and is deployed alongside these services. No tedious setup required! What is AWS WAFv2?ĪWS WAFv2 is a managed web application firewall. Although it’s usually complex to write your own firewall rules, we can simply use AWS Managed Rules. In this post, you’ll learn how you can easily add a layer of protection to your web application that is defined in AWS Cloud Development Kit (AWS CDK) and built using Amazon CloudFront, Amazon API Gateway, Application Load Balancer, or AWS AppSync. As we evolve the infrastructure that our application is built upon, we can adjust firewall rules in the same place. When we use infrastructure as code (IaC) we want to describe workloads wholistically, and that includes the configuration of firewalls alongside the entrypoints to web applications. Security is a shared responsibility between AWS and the customer. The resources can beĪmazon CloudFront, an Amazon API Gateway REST API, an Application LoadĬonstructors WebACL ( ) WebACL.Post Syndicated from Ramon Lopez Narvaez original Web ACL with one or more AWS resources to protect. The rules in a Web ACL can be a combination of the types In the Web ACL, you assign aĭefault action to take (allow, block) for any request that does not matchĪny of the rules. Requests that match the statement of the rule. Each rule has an action defined (allow, block, or count) for
A Web ACL defines a collection of rules to use to inspect and control web
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