title: Silent authentication with Tomcat and Active Directory
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/726249/detect-user-logged-on-a-computer-using-java-web-app">Detect user logged on a computer using Java web app</a>  </p>
  </blockquote>
  
  
  
  <p>I need to do that with tomcat and a J2EE Web App. I don't want a pop up window asking the user for credentials.</p>
  
  <p>I must use the user logged on Windows to authenticate him on my web app.</p>
  
  <p>How can I do it?</p>
  
  <p>Thanks!</p>