Untrusted URLs are blocked. If URLs are being added to the <tt class="FILENAME">trust</tt> file, then that
          is done.</p>
        </li>
        <li>
          <p>If the URL pattern matches the <a href="actions-file.html#FAST-REDIRECTS"><span class=
          "QUOTE">"+fast-redirects"</span></a> action, it is then processed. Unwanted parts of the requested URL are
          stripped.</p>
        </li>
        <li>
          <p>Now the rest of the client browser's request headers are processed. If any