Self-hosted JA4 bot challenge for stock nginx — or a gateway container in front of any HTTP server. Search-bot safe by design. PoW + behavioral CAPTCHA, RPM/DEB/APK + Docker.
docker nginx golang security captcha apache self-hosted web-security anti-bot bot-detection proof-of-work nginx-module bot-management bot-protection ja4 tls-fingerprinting nginx-dynamic-module
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Updated
Sep 21, 2026 - Go