WordPress plugin: Protect your blog from malicious URL Requests

WordPress plugin: Protect your WordPress blog from malicious URL Requests ,attacks

Paste the following code into a text file, and save it as blockbadqueries.php. Once done, upload it to your wp-content/plugins directory and activate it like any other plugins. That’s all!

<?php
/*
Plugin Name: Block Bad Queries
Plugin URI: https://blancer.com
Description: Protect WordPress Against Malicious URL Requests
Author URI: https://blancer.com/
Author: BlancerVersion: 1.0
*/
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 Request-URI Too Long");
	@header("Connection: Close");
	@exit;
    }
  }
}
?>

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