Array ASF Series Web Application Firewall vs Netsweeper nFilter: 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. Core capabilities include OWASP Top 10 attack protection, Layer 7 DDoS defense, Zero-day attack detection and blocking..

Netsweeper nFilter: Web filtering platform with AI-powered categorization for content control. built by netsweeper. Core capabilities include AI-powered real-time URL categorization, Carrier-grade web filtering with zero latency, Global crowdsourced threat intelligence..

Both serve the Cloud Web Application and API Protection market but differ in approach, feature depth, and target audience.

Array ASF Series Web Application Firewall differentiates with OWASP Top 10 attack protection, Layer 7 DDoS defense, Zero-day attack detection and blocking. Netsweeper nFilter differentiates with AI-powered real-time URL categorization, Carrier-grade web filtering with zero latency, Global crowdsourced threat intelligence.

Array ASF Series Web Application Firewall is developed by Array Networks. Netsweeper nFilter is developed by netsweeper. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Array ASF Series Web Application Firewall and Netsweeper nFilter serve similar Cloud Web Application and API Protection use cases: both are Cloud Web Application and API Protection tools, both cover Web Security. Review the feature comparison above to determine which fits your requirements.