Array ASF Series Web Application Firewall vs Blackwall GateKeeper: side-by-side comparison (2026)

Array ASF Series Web Application Firewall: WAF protecting web apps from OWASP Top 10, DDoS, and zero-day attacks. Built by Array Networks.

Blackwall GateKeeper: Web security & traffic filtering platform for hosting providers. Built by Blackwall.

The table above shows where their features, integrations, deployment and company size fit differ.

Array ASF Series Web Application Firewall is made by Array Networks. Blackwall GateKeeper is made by Blackwall. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. Array ASF Series Web Application Firewall and Blackwall GateKeeper are both Cloud Web Application and API Protection products, and both cover DDoS, WAF, Web Security. Use the table above to see where features, deployment and company size fit differ.