greyfu

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.
<h3>Third Party Services</h3>
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.
<h3>Support / Contact</h3>
For issues or questions, please contact us: 
Email: hello@greyfu.com 
Website: https://greyfu.com

Greyfu Login Captcha

A lightweight captcha that protects your WordPress login page from automated bot attacks using a simple math challenge.

BitCleric

Guardify is a powerful WordPress firewall plugin designed to protect your website from a wide range of threats, including brute force attacks, SQL injections, malicious bots, and unauthorized access attempts. With an intuitive dashboard, detailed statistics, and advanced settings, Guardify empowers you to secure your site effortlessly.
<h3>🔐 Key Features:</h3>
<ul>
<li>
Advanced Web Application Firewall (WAF) 
Intercepts and filters all incoming traffic before it reaches WordPress. Blocks SQL injection, XSS, RFI, LFI, and other attack vectors.
</li>
<li>
Brute Force Attack Protection 
Blocks repeated login attempts by limiting login frequency and analyzing IP reputation.
</li>
<li>
2-Factor Authentication (2FA) 
Adds an extra layer of login security for admin users, using time-based one-time passwords (TOTP).
</li>
<li>
Real-Time Activity Logs 
Track login attempts, blocked IPs, suspicious requests, and system actions with detailed logs. View statistics by day, week, or month.
</li>
<li>
Custom IP Whitelisting & Blacklisting 
Control access to your site by adding IPs or IP ranges to allow or deny lists. Includes temporary blocking for failed login attempts.
</li>
<li>
GeoIP Blocking 
Block or allow access from specific countries using the MaxMind GeoIP2 database integration.
</li>
<li>
Bot Access Control 
Detect and manage access from known bots, scrapers, and fake crawlers. Option to block non-human traffic.
</li>
<li>
Anti-PHP Injection & File Access Blocking 
Prevents direct access to PHP files in sensitive directories such as <code>/wp-includes/</code> and <code>/wp-content/uploads/</code>.
</li>
<li>
Block Plugin and Theme Installation 
Restrict installation of new plugins and themes via the WordPress dashboard — even by administrators. This helps prevent unauthorized or accidental installation of insecure components. Manual installation via FTP remains possible.
</li>
<li>
Block Theme Editor 
Disable access to the Theme Editor (<code>/wp-admin/theme-editor.php</code>) to prevent direct file editing. This minimizes the risk of malicious code injection or unintentional file corruption.
</li>
<li>
Forbidden Comment Words Filter 
Automatically mark comments as spam if they contain forbidden words or patterns (e.g., <code>http</code>, <code>viagra</code>, <code>casino</code>, <code>porn</code>). Helps drastically reduce comment spam by detecting common keywords and links.
</li>
<li>
Auto Block IPs in .htaccess 
When enabled, IPs that exceed the rate limit are automatically added to the <code>.htaccess</code> file for permanent blocking. This server-level block prevents any further requests. Use with care, as shared or corporate IPs may be affected.
</li>
<li>
Email Notifications 
Stay informed with email alerts about critical security events, such as admin login attempts or IP bans.
</li>
<li>
Customizable Firewall Rules 
Advanced users can fine-tune rules with regex filters, HTTP method checks, user-agent filters, and more.
</li>
<li>
User-Friendly Admin Interface 
Guardify features a modern and intuitive UI built using native WordPress design language.
</li>
<li>
Clean Uninstall 
Automatically cleans up all data, logs, and settings when uninstalled—leaving your database clean.
</li>
</ul>

Guardify Firewall

Guardify is a powerful WordPress firewall plugin designed to protect your website from a wide range of threats, including brute force attacks, SQL inj …

Greyfu Login Captcha vs Guardify Firewall