title: What does Authorize(Users="*") mean?
body: <p>I saw this in an ASP.NET MVC 2 app and I can't figure out what it means by looking at the MSDN help.</p>
  
  <pre><code>[Authorize(Users="*")]
  public ActionResult Edit(int id)
  {
  ...
  }
  </code></pre>
  
  <p>The * is throwing me.</p>