Cloudflare WAF vs Naxsi: Side-by-Side Comparison (2026)

Cloudflare WAF: A cloud-based web application firewall that protects applications from various cyber threats through rule-based filtering, machine learning detection, and integrated security features. built by Cloudflare, Inc...

Naxsi: NAXSI is a third-party nginx module that prevents XSS and SQL injection attacks by filtering HTTP traffic based on predefined security rules..

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

Cloudflare WAF is developed by Cloudflare, Inc.. Naxsi is open-source with 4,826 GitHub stars. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Cloudflare WAF and Naxsi serve similar Cloud Web Application and API Protection use cases: both are Cloud Web Application and API Protection tools, both cover Web Security, WAF. Key differences: Cloudflare WAF is Commercial while Naxsi is Free, Naxsi is open-source. Review the feature comparison above to determine which fits your requirements.