title: Bypass Path traversal Filter
body: <p>In my web application I remove these characters: </p>
  
  <blockquote>
    <p>( &lt; ,> ,: ," ,/ ,\ , | ,? ,* )</p>
  </blockquote>
  
  <p>from my file download url to prevent Path traversal. </p>
  
  <p>Is there any way for to bypass this?</p>
  
  <p>Is it secure ?</p>