Low false/positive rate
This plugin uses multiple anti-spam tests to filter spam bots with lower false/positive rate as possible. Multiple anti-spam tests avoid false/positive blocks for real website visitors even if one of the tests failed.
Spam attacks log
Service CleanTalk (this plugin is a client application for CleanTalk anti-spam service) records all filtered comments, registration and other spam attacks in the 'Log of spam attacks' and stores the data in the log up to 45 days. Using the log, you can ensure reliable protection of your website from spam and no false/positive filtering.
Spam FireWall
CleanTalk has got an advanced option 'Spam FireWall', this option allows blocking the most active spam bots before they get access to web site. It prevents loading of pages of the web site by spam bots, so your web server doesn't need perform all scripts on these pages. Also it prevents scanning of pages of the web site spam bots. Therefore Spam FireWall significantly can reduce the load on your web server. Spam FireWall also makes CleanTalk the two-step protection from spam bots. Spam FireWall is the first step and it blocks the most active spam bots, CleanTalk Anti-Spam is the second step and it checks all other requests on the web site in the moment before submit comments/registers and etc.
How Spam FireWall works?
- The visitor enters to your web site.
- HTTP request data is checked of the nearly 5,8 million of certain IP spam bots.
- If it is an active spam bot, it gets a blank page, if it is a visitor then it gets a site page. This is completely transparent to the visitors.
All the CleanTalk Spam FireWall activity is being logged in the process of filtering.
Spam FireWall DDos Protection
Spam FireWall can mitigate HTTP/HTTPS DDoS attacks. When an intruder makes GET requests to attack your website. Spam FireWall blocks all requests from bad IP addresses. Your website givies infringer a special page with description of DDoS rejection instead of the website pages. Therefore Spam FireWall can help to reduce of CPU usage on your server.
XML-RPC brute force protection
Spam FireWall can mitigate XML-RPS brute force attacks. It blocks XML-RPS attacks from bad IP addresses. That helps to prevent bruteforce attacks by a Remote Procedure Call.
No spam comments, no spam registrations, no spam contact emails, no spam trackbacks. CAPTCHA less anti-spam for Joomla
Spam is one of the most irritating factors. Spam become every year more and conventional anti-spam can no longer handle all the spam bots. CleanTalk prevents spam and automatically blocks it. You'll be surprised of effective protection against spam.