title: simple htaccess RewriteRule to map 404 URL
body: <p>I have this URL:</p>
  
  <pre><code>mysite.com/index.php?pageType=404
  </code></pre>
  
  <p>and then I want it to get mapped to:</p>
  
  <pre><code>mysite.com/404
  </code></pre>
  
  <p>I have written the following rewrite rule but it does not work, what is the problem?</p>
  
  <pre><code>RewriteEngine on 
  RewriteRule mysite.com/404 mysite.com/index.php?pageType=404
  IndexIgnore *
  </code></pre>
  
  <p>Thanks in advance</p>