<p>Comment blacklisting works well, but what if you actually want to stop someone from even <em>reading</em> your blog? This plugin will take care of that for you.</p>
<p>It uses .htaccess file modifications to deny access to your blog from particular IP addresses (Deny from) and then follows up with an ErrorDocument 403 redirect to a URL of your choice. It doesn’t hook into WordPress, which makes it a lot faster due to no database or PHP calls.</p>


WP-BlockYou

A plugin that can be used to block or "ban" users via their IP address from viewing your blog, and then redirecting them to a URL of your ch …

Sed Lex

<p>Block IP addresses which are suspicious and try to post on your blog spam comments.</p>
<p>This plugin need that you create an account on the Honey Pot Project (https://www.projecthoneypot.org, free api) or that you install the Spam Captcha plugin.</p>
<p>In addition, if you want to geolocate the spammers your may create an account on (http://ipinfodb.com/, free api). Thus, you may display a world map with the concentration of spammers.</p>
<p>Spammers may be blocked either by PHP based restrictions (i.e. WordPress generates a 403 page for such identified users) or by Apache based restriction (using Deny from in .htaccess file).</p>
<p>The Apache restriction is far more efficient when hundreds of hosts sent you spams in few minutes.</p>
<h4>Multisite – WordPress MU</h4>
<h4>Localization</h4>
<ul>
<li>Afrikaans (South Africa) translation provided by SedLex, JanvanNiekerk</li>
<li>English (United States), default language</li>
<li>Japanese (Japan) translation provided by OsamuKudo</li>
</ul>
<h4>Features of the framework</h4>
<p>This plugin uses the SL framework. This framework eases the creation of new plugins by providing tools and frames (see dev-toolbox plugin for more info).</p>
<p>You may easily translate the text of the plugin and submit it to the developer, send a feedback, or choose the location of the plugin in the admin panel.</p>
<p>Have fun !</p>


Automatic Ban IP

Block IP addresses which are suspicious and try to post on your blog spam comments.

WP-BlockYou vs Automatic Ban IP