AWS WAF announces general availability of Resource-level DDoS protection for Application Load Balancers (ALB)

Today, Amazon Web Services (AWS) announced general availability of a new resource-level distributed denial of service (DDoS) mitigation capability for Application Load Balancers (ALB). This new WAF DDoS protection is directly integrated with ALB as an on-host agent to detect and mitigates DDoS attacks from known malicious sources within seconds while maintaining service quality for legitimate traffic. The WAF resource-level DDoS protection for ALBs is built on upon existing IP reputation rule group to provide rapid protection against known attack sources through static rules. This feature efficiently rate limits the traffic based on both direct client IP addresses and proxy networks by inspecting DDoS indicators in X-Forwarded-For (XFF) headers.

Resource-level DDoS protection for ALBs can be configured to be active at all times or to be active only during high load conditions. You can enable this feature in AWS WAF for any Web ACL that is associated with ALB in all supported AWS Regions. See the AWS WAF pricing page for more details on Web ACL pricing.

To learn more about AWS WAF's resource level DDoS protection, visit the AWS WAF documentation or the AWS WAF console. To get started, refer to our technical documentation for detailed information about enabling this feature to protect your web applications.