Block external requests on your WordPress blog

To do so, open your wp-config.php file and paste the following code:

define('WP_HTTP_BLOCK_EXTERNAL', true);

It will block external requests from that time on. Though, some plugins need external request to work properly. If you experience problems, you can define a whitelist by pasting the code below into wp-config.php. Don’t forget to replace my url by the one needed by the plugin.

define('WP_ACCESSIBLE_HOSTS', 'wprecipes.com');

This is the last recipe of 2009. Thanks to all of you for your support, and best wishes for 2010!

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Block external requests on your WordPress blog

Original post by Jean-Baptiste Jung