Open Source WAF / Nginx WAF / Rule-based WAF
NAXSI WAF
NAXSI is an open-source WAF project historically used with NGINX-style deployments and still relevant for teams researching lightweight rule-based WAF options.
Data card
- Pricing
- Free
- License
- Open source
- Deployment
- NGINX module, Reverse proxy, Self-hosted apps
- Integrations
- NGINX, Custom rules, Reverse proxy routing
- Last checked
- 2026-05-30
Best fit
- NGINX experiments
- Rule-based research
- Lightweight self-hosted labs
Potential limitations
- Project activity and maintenance status should be checked before production use
- Requires hands-on rule tuning and NGINX operational knowledge
WAFWiki read
Open-source WAF module for NGINX-style deployments.
This profile is written for evaluation rather than promotion. Use it to understand where NAXSI fits, which assumptions need validation, and which alternatives deserve side-by-side testing.
Evaluation checklist
- Verify current pricing and license terms on the official site.
- Confirm deployment path against your production topology.
- Test false positives with real application traffic before rollout.
- Document rollback, logging, and alert routing before enabling blocking mode.
Feature snapshot
NAXSI capabilities to verify
NGINX moduleRule-based filteringSelf-hosted control
FAQ
What is NAXSI best for?
NAXSI is commonly evaluated for NGINX experiments, Rule-based research, Lightweight self-hosted labs.
Is NAXSI free?
NAXSI pricing path: Free. Always verify current pricing on the official website.