Title: Mathlock Guard Author: ishanishr Published: 15 september 2026 Last modified: 2 oktober 2026 --- Plugins zoeken ![](https://ps.w.org/mathlock-guard/assets/banner-772x250.png?rev=3697154) ![](https://ps.w.org/mathlock-guard/assets/icon-256x256.png?rev=3697154) # Mathlock Guard Door [ishanishr](https://profiles.wordpress.org/ishanishr/) [Download](https://downloads.wordpress.org/plugin/mathlock-guard.zip) * [Details](https://nl-be.wordpress.org/plugins/mathlock-guard/#description) * [Beoordelingen](https://nl-be.wordpress.org/plugins/mathlock-guard/#reviews) * [Installatie](https://nl-be.wordpress.org/plugins/mathlock-guard/#installation) * [Ontwikkeling](https://nl-be.wordpress.org/plugins/mathlock-guard/#developers) [Ondersteuning](https://wordpress.org/support/plugin/mathlock-guard/) ## Beschrijving Mathlock Guard protects your site’s public-facing content behind a lightweight math verification challenge. Visitors must correctly answer a simple arithmetic question before accessing your pages, providing an accessible, low-friction alternative to traditional CAPTCHA systems. Site administrators and the login page remain fully accessible at all times, ensuring uninterrupted site management, while all other visitors, including logged-in users such as editors, authors, and subscribers, are required to pass the verification screen. ### Demo Try Mathlock Guard on the author’s website: https://ishanishrestha.com.np Features include: * Random math challenges * Administrator bypass * Admin dashboard and login page exclusions * Nonce verification for form submissions * Server-side challenge storage * Temporary unlock functionality * Separate CSS and template files ## Schermafbeeldingen [[ ## Installatie 1. Upload the `mathlock-guard` folder to the `/wp-content/plugins/` directory. 2. Activate the plugin through the WordPress Plugins menu. 3. Visit the website to test the math lock. ## FAQ ### How long does the website remain unlocked? The website remains unlocked for 1 minute after the correct answer is submitted. ### Does the lock affect administrators? No. Users with the `manage_options` capability can bypass the math lock. ### Does the lock affect the WordPress dashboard? No. The WordPress admin area and login page are excluded from the lock. ## Beoordelingen Er zijn geen beoordelingen voor deze plugin. ## Bijdragers & ontwikkelaars “Mathlock Guard” is open source software. De volgende personen hebben bijgedragen aan deze plugin. Bijdragers * [ ishanishr ](https://profiles.wordpress.org/ishanishr/) “Mathlock Guard” is vertaald in 4 talen. Dank voor [de vertalers](https://translate.wordpress.org/projects/wp-plugins/mathlock-guard/contributors) voor hun bijdragen. [Vertaal “Mathlock Guard” naar jouw taal.](https://translate.wordpress.org/projects/wp-plugins/mathlock-guard) ### Interesse in de ontwikkeling? [Bekijk de code](https://plugins.trac.wordpress.org/browser/mathlock-guard/), haal de [SVN repository](https://plugins.svn.wordpress.org/mathlock-guard/) op, of abonneer je op het [ontwikkellog](https://plugins.trac.wordpress.org/log/mathlock-guard/) via [RSS](https://plugins.trac.wordpress.org/log/mathlock-guard/?limit=100&mode=stop_on_copy&format=rss). ## Changelog #### Version 1.7 * required PHP reduce to 7.4 #### Version 1.8 * Added translation support with a text domain for localization. * Improved compatibility with WordPress localization tools. #### Version 1.7 * Changed the unlock duration to 1 minute. * Updated the unlock cookie configuration. #### Version 1.6 * Added support for a separate CSS stylesheet. * Moved the lock page HTML into a separate template file. #### Version 1.5 * Added a signed cookie to remember successfully unlocked visitors. * Added automatic redirection after a correct answer. #### Version 1.4 * Added server-side math answer storage using WordPress transients. * Added unique challenge IDs for each math question. * Removed reliance on hidden form fields for answer validation. #### Version 1.3 * Added nonce protection and verification for form submissions. * Added input sanitization for submitted form data. #### Version 1.2 * Added an administrator bypass using the `manage_options` capability. * Excluded the admin dashboard and login page from the mathlock. #### Version 1.1 * Improved form handling and answer validation. * Added incorrect-answer error messages. #### Version 1.0 * Initial release. * Added a random math challenge to restrict website access. * Added custom lock page functionality. * Added direct-access protection. ## Meta * Versie **2.0** * Laatst bijgewerkt: **2 weken geleden** * Actieve installaties: **10+** * WordPress versie ** 6.2 of nieuwer ** * Getest t/m **7.1.3** * PHP versie ** 7.4 of nieuwer ** * Talen * [Dutch](https://nl.wordpress.org/plugins/mathlock-guard/), [English (UK)](https://en-gb.wordpress.org/plugins/mathlock-guard/), [English (US)](https://wordpress.org/plugins/mathlock-guard/), [Hungarian](https://hu.wordpress.org/plugins/mathlock-guard/), en [Spanish (Spain)](https://es.wordpress.org/plugins/mathlock-guard/). * [Vertaal in jouw taal](https://translate.wordpress.org/projects/wp-plugins/mathlock-guard) * Tags * [access-control](https://nl-be.wordpress.org/plugins/tags/access-control/)[bot protection](https://nl-be.wordpress.org/plugins/tags/bot-protection/) [captcha](https://nl-be.wordpress.org/plugins/tags/captcha/)[math captcha](https://nl-be.wordpress.org/plugins/tags/math-captcha/) [spam prevention](https://nl-be.wordpress.org/plugins/tags/spam-prevention/) * [Geavanceerde weergave](https://nl-be.wordpress.org/plugins/mathlock-guard/advanced/) ## Beoordelingen Er zijn nog geen beoordelingen ingediend. [Je beoordeling](https://wordpress.org/support/plugin/mathlock-guard/reviews/#new-post) [Bekijk alle beoordelingen](https://wordpress.org/support/plugin/mathlock-guard/reviews/) ## Bijdragers * [ ishanishr ](https://profiles.wordpress.org/ishanishr/) ## Ondersteuning Iets te melden? Hulp nodig? [Het supportforum bekijken](https://wordpress.org/support/plugin/mathlock-guard/)