Learn what your peers think about The Fastly Next-Gen WAF (powered by Signal Sciences). Get advice and tips from experienced pros sharing their opinions. Updated: December 2025.
The Fastly Next-Gen WAF (powered by Signal Sciences) provides web application and API protection, RASP, rate limiting, bot protection and DDoS purpose built to eliminate the challenges of legacy WAF.
The product's most valuable feature is its ability to set up the rules easily.
When configuring a web application firewall using Signal Sciences, we configure a rule whereby no one except a few people can access the application.