Opis
Greyfu Login Captcha adds a secure verification step to your WordPress login form, helping block automated login attempts and brute-force attacks.
Lite Version (Free):
* Simple math-based captcha
* Multisite compatible
* Lightweight and fast
* No personal data stored or transmitted
* Works without any external service
Pro-Ready Features (Optional Upgrade):
* Infrastructure prepared for reCAPTCHA v2 integration
* Infrastructure prepared for hCaptcha integration
* API key fields included
The free version is fully functional on its own and does not require any external captcha service.
Third Party Services
This plugin optionally connects to external captcha services when the Pro features are enabled:
Google reCAPTCHA (Optional)
When reCAPTCHA is enabled in Pro settings, the plugin sends verification requests to Google’s reCAPTCHA service.
– Service: https://www.google.com/recaptcha/
– Privacy Policy: https://policies.google.com/privacy
– Terms of Service: https://policies.google.com/terms
– Data sent: User’s IP address and reCAPTCHA response token
– When: Only during login form submission when reCAPTCHA is enabled
hCaptcha (Optional)
When hCaptcha is enabled in Pro settings, the plugin sends verification requests to hCaptcha service.
– Service: https://www.hcaptcha.com/
– Privacy Policy: https://www.hcaptcha.com/privacy
– Terms of Service: https://www.hcaptcha.com/terms
– Data sent: User’s IP address and hCaptcha response token
– When: Only during login form submission when hCaptcha is enabled
The free/lite version uses a built-in math captcha that does not connect to any external service.
Support / Contact
For issues or questions, please contact us:
Email: hello@greyfu.com
Website: https://greyfu.com
Zrzuty ekranu
Math captcha displayed on the WordPress login page. 
Example reCAPTCHA login interface (Pro extension). 
Settings page showing configuration options.
Instalacja
- Upload the plugin folder to
/wp-content/plugins/. - Activate the plugin through the Plugins menu.
- Configure settings under Settings Greyfu Login Captcha.
Najczęściej zadawane pytania
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Does the free version work without external APIs?
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Yes. The built-in math captcha requires no API keys and works out of the box.
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Does the plugin store personal data?
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No. No personal or sensitive information is tracked, logged, or sent to remote servers.
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Is multisite supported?
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Yes, this plugin works on WordPress Multisite installations.
Recenzje
Wtyczka nie ma jeszcze żadnej recenzji.
Kontrybutorzy i deweloperzy
„Greyfu Login Captcha” jest oprogramowaniem open source. Poniższe osoby miały wkład w rozwój wtyczki.
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Rejestr zmian
1.0.0
- Initial release with math captcha support and Pro-ready structure.