Block visitors based on the country they are visiting from. It can be very useful for websites targeting a specific country or region to block visito
Block unwanted visitors from viewing your WordPress site.
Stop SPAM! Stop HAKING! No annoying CAPTCHA for your users! As simple as that!
防止垃圾评论插件,点击正确的图形提交评论,仿"Clickcha"(Click on the Right picture to submit comments,to prevent spam comme
The plugin DigoWatchWP scans your blog posts and pages for changes.
Easiness and effectiveness are the keys for a valid Captcha control. DC generates appealing captcha for your WP blog without compromising usability.
Prevent people from registering with emails that contain a subdomain to help reduce spam.
Allow only real email address to pass the validation.
How to make your audience read more and Protect your blog form spam?. By displaying extracts from blog posts or simple messages in a CAPTCHA alternati
Spam proof contact form that emails you the message and saves it in database.
Anti-spam by verify code that displayed in the image under the comment form.
Security Captcha es un sistema para prevenir spam de cualquier tito, tanto por personas como por scripts creados por personas.
AdCaptcher.com enables you to build custom captchas. You need an AdCaptcher account to administrate your custom captchas.
jQuery UI Slider Captcha
Asks the visitor making the comment to key in the disappeared chinese word. This is intended to prove that the visitor is a human being but a spam rob
Prevents automated SPAM by requiring visitors to answer a question of your choosing (plaintext or regex).
Integrates CaptchaAd anti-spam methods with WordPress including comment, registration spam protection.
Spam BLIP stops comment spam before it is posted, using DNS blacklists, existing comments marked as spam, and user defined lists.
Asr verify code was displayed in the image under the comment form or login form.
License URL: http://mit-license.org/ The WordPress plugin that provides small functions to help your website working better.
This plugin will stop comments spam entirely, for free. It requires all users to connect their verified RubyID account before they can post a comment.
Adds a honeypot form field on the registration and login pages to trap spammers.
Certly Guard automatically removes comments that contain malicious links.
Pictcha is a very unique & secure CAPTCHA.
Foresight makes it easier for a WordPress administrator to stay up-to-date on current WordPress exploits.
CIDRAM: A PHP-level CIDR/IP-based firewall solution.
Restrict the usernames, email addresses, characters and symbols or email from specific domain names or language in registration ...
Show spam statistics on your blog. (Now merged into SpamTask)