The open-source human verification service for nginx making bots cry.
cryKeeper is a lightweight, Python-powered security container designed to protect your web applications from automated bots, scrapers, and credential stuffing. Utilizing nginx's native auth_request module, it intercepts malicious traffic before it ever touches your backend.
Note
The main repository for cryKeeper is now hosted on Codeberg:
➡️ https://codeberg.org/cryMG/cryKeeper
Copyright (c) 2026 cryeffect Media Group https://crymg.de, Peter Müller peter@crycode.de
See LICENSE for the full license text.