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BunkerWebUUSEC WAF
Free

Open source and free to download and self-host.

 Free

Offered free of charge by UUSEC Technology.

Self-hosted Linux, Self-hosted
  • Combines reverse proxy and WAF in one component
  • Protects against OWASP Top 10 attacks and malicious bots
  • Combines rule-based and machine learning detection
  • Doubles as an nginx-based reverse proxy and cache
  • Requires running and maintaining your own server infrastructure
  • Security rules need tuning to avoid blocking legitimate traffic
  • Documentation and project material lean heavily on marketing claims
  • Parts of the community and documentation are Chinese-first
Self-hosted Self-hosted
Open source Open source
License not stated License: BSD-2-Clause
No account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 24, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.