title: FormsAuthentication.SetAuthCookie
body: <p>hi we are using <code>FormsAuthentication.SetAuthCookie(profile.Id, false);</code></p>
  
  <p>Now the question is when does this cookie expires?</p>
  
  <p>It of course expires once I close all the browsers but it doesn't I keep the browser open and I don't know the timelimit.</p>