Starting today, AWS WAF is available in the AWS GovCloud (US-West) region.
AWS WAF is a web application firewall that helps protect your web applications from common web exploits that could affect application availability, compromise security, or consume excessive resources. AWS WAF gives you control over which traffic to allow or block to your web applications by defining customizable web security rules. AWS WAF can be deployed on Amazon CloudFront, Application Load Balancer, and Amazon API Gateway. To learn more visit the detailed page here.
AWS WAF is also available on Amazon CloudFront and in 12 commercial AWS regions: US East (N. Virginia), US East (Ohio), US West (Oregon), US West (N. California), EU (Ireland), EU (Frankfurt), EU (London), EU (Stockholm), Asia Pacific (Tokyo), Asia Pacific (Sydney), Asia Pacific (Singapore), and Asia Pacific (Seoul).