AWS Web Application Firewall has announced two new features

Amazon Web Services Web Application Firewall to help the customers write more specific rules so to secure the web application and APIs with an improved pattern matching against Query String arguments and support for non-octet CIDR boundaries. With the enhanced pattern matching against the Query String arguments where the customers can now configure AWS Web Application Firewall to define the query string in the URI and run the pattern matches on the value of the particular query argument or values of all the query arguments.