[WordPress] 外掛分享： ProfileGuard – Anti Spam for LMS Profiles

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ProfileGuard is an aggressive, zero-cloud security firewall engineered to eliminate fake bot registrations and stop spammers from exploiting LMS student accounts for gambling, casino, and backlink promotion.
Unlike heavy cloud-based anti-spam plugins that transmit your student’s personal information to third-party overseas servers, ProfileGuard runs 100% locally on your server. It drops bot connections at the front door before they can touch your database, saving server memory, CPU, and database bloat.
🛡️ Core Features (100% Free Forever)

Front-Door Pre-Registration Blocker: Intercepts spammers before account creation occurs. Drops bots using disposable emails, foreign betting scripts, and bot patterns (e.g. 3+ numbers in usernames) with a hard connection termination.
Deep Database Honeypot for LMS Profiles: If a spammer somehow enters with a clean name, the honeypot silently monitors profile edits. The instant they attempt to insert casino links into their student bio or social links, their account is permanently deleted.
Hardened Checkout Safe Bypass: Never lose a course sale. Smart detection automatically stands down during active WooCommerce checkouts, ensuring genuine paying students and customers register with zero friction.
100% GDPR & Privacy Compliant: Zero tracking, zero cloud calls, zero external API latency. Your student data stays on your server.
Dual Notification Engine: Get real-time kill reports when bots are blocked, and clean email alerts when legitimate students register.
Safe for European Names: Includes an optional opt-in toggle for non-ASCII characters, so legitimate users with accented names (José, Müller, Søren) are never blocked by default.

🎯 Perfect for:

Course Creators & LMS Sites: Native deep defense for Tutor LMS, LearnDash, LifterLMS, and online academies.
WooCommerce Stores: Clean user base without annoying CAPTCHAs that reduce checkout conversion rates.
Membership Communities: Prevent fake accounts from cluttering member directories in BuddyPress, bbPress, and Ultimate Member.
Webmasters & Business Sites: Stop automated bot floods from exhausting database connections and slowing down your site.

⭐ Upgrade to Pro for Advanced Tools
Looking to clean up existing damage from past spam attacks? ProfileGuard Pro adds:
* Smart CSV Bulk Spammer Sweeper: Export toxic profile URLs directly from Ahrefs, SEMrush, or Google Search Console, upload the CSV, and let the smart-parser erase thousands of spam profiles in bulk.
* Global Bio Disabler: One-click feature to completely hide and disable the “Bio” and “About Yourself” textareas (including WordPress core and Tutor LMS rich-text editors), giving spammers nowhere to leave backlinks.