Due to popularity of WordPress, it's often the target of hackers. Today we are going to build a plugin that will check for malicious URL requests and use it to protect our Blog. Paste the following code into a text file, and save it as blockbadqueries.php. Once done, upload it to your up-content/plugins directory and activate it like any other plugins. That's all! <?php /* Plugin Name: Block Bad Queries Description: Protect WordPress Against Malicious URL Requests */ global $user_ID; if($user_ID) { if(!current_user_can('level_10')) { if (strlen($_SERVER['REQUEST_URI']) > 255 || strpos($_SERVER['REQUEST_URI'], "eval(") || strpos($_SERVER['REQUEST_URI'], "CONCAT") || strpos($_SERVER['REQUEST_URI'], "UNION+SELECT") || strpos($_SERVER['REQUEST_URI'], "base64")) { @header("HTTP/1.1 414 Request-URI Too Long"); @header("Status: 414 Reques...