Updated # Contact Form 7 Spam Checker (CF7FC) **1st CF7 Form Checker** is an enterprise‐grade security plugin designed specifically for WordPress Contact Form 7. Built with a defense‐in‐depth approach, the plugin implements multiple layers of security validation that work synergistically to protect form submissions while maintaining an optimal user experience for legitimate visitors. ## 🚀 Key Features Summary | Feature Category | Capabilities | |‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐|‐‐‐‐‐‐‐‐‐‐‐‐‐‐| | **Language Validation** | 20 language regex patterns (Cyrillic, CJK, Arabic, etc.) | | **Attack Detection** | SQL Injection, XSS, CSRF pattern matching | | **Rate Limiting** | 20 requests minute, configurable thresholds and automatic IP banning | | **Bot Detection** | User‐agent analysis, behavioral patterns | | **IP Management** | Ban whitelist, temporary permanent bans | | **File Upload Security** | MIME type validation, size limits (10MB) | | **Logging System** | JSON‐based incident logging, 30‐day retention | ## 🛠 Technology Stack ‐ **PHP 7.4‐8.2:** Object‐oriented architecture with strict typing. ‐ **WordPress Hooks API:** Native integration with WP ecosystem. ‐ **Contact Form 7 API:** Custom validation filters. ‐ **Tailwind CSS:** Responsive admin interface. ## 📖 Documentation Sections ‐ [[Installation‐and‐Update]] ‐ [[For‐Administrators]] ‐ [[For‐Users]] ‐ [[For‐Developers]] ‐ [[Security‐Concepts]] ‐ [[FAQ‐and‐Troubleshooting]] ‐‐‐ *Author: Mikhail Deynekin* (markdown)
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