Alibaba Cloud Web Application Firewall (WAF) vs Gatekeeper: Side-by-Side Comparison (2026)
Features, pricing, ratings, and pros and cons, compared head to head.
Alibaba Cloud Web Application Firewall (WAF) is a commercial cloud web application and api protection tool by Alibaba Cloud. Gatekeeper is a free ddos mitigation tool. Compare features, ratings, integrations, and community reviews side by side to find the best cloud web application and api protection fit for your security stack. Independent and vendor-neutral: our scores and rankings are earned, never bought — sponsored placement is always labeled.
CST VerdictShort answer
Mid-market and enterprise teams protecting APIs and web applications across hybrid cloud environments should start here; Alibaba Cloud WAF's auto-discovery and full API lifecycle security management handles the asset visibility problem that kills most API protection programs. The platform covers NIST PR.PS and PR.IR thoroughly, meaning you get both attack prevention and resilient architecture management built in. If your infrastructure is entirely outside China or you need WAAP features like client-side protection and advanced JavaScript handling, look elsewhere; this tool's strength is defending the perimeter when you're already embedded in Alibaba's ecosystem. Network operators and service providers facing multi-vector DDoS attacks will find Gatekeeper's distributed algorithm approach valuable because it actually scales with your bandwidth requirements instead of hitting throughput walls like centralized scrubbing centers do. The open source model with 1,591 GitHub stars means you're not locked into vendor infrastructure, and deployment across your own edge nodes gives you detection latency measured in milliseconds rather than the round-trip delays of cloud mitigation services. Skip this if your primary concern is stopping Layer 7 application attacks; Gatekeeper prioritizes network-layer volumetric defense, leaving sophisticated HTTP floods to separate WAF tooling.
