Simply uses the HTTP_REFERER to determine if it's from 'Semalt', and blocks it with a nice 403 "Unauthorized" response.
| Author: | Chris Klosowski (profile at wordpress.org) |
| WordPress version required: | 3.0 |
| WordPress version tested: | 4.2.1 |
| Plugin version: | 1.1 |
| Added to WordPress repository: | 20-11-2014 |
| Last updated: | 30-04-2015
Warning! This plugin has not been updated in over 2 years. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.
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| Rating, %: | 20 |
| Rated by: | 1 |
| Plugin URI: | https://www.filament-studios.com |
| Total downloads: | 1 361 |
| Active installs: | 20+ |
 Click to start download |
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Pretty simple. Just blocks semalt.semalt.com with a 403.
If your web host uses a web server that doesn't support .htaccess, then this plugin is for you.
If your host supports .htaccess, you should try https://wordpress.org/plugins/block-semalt, as this is the best method.