title: Where authorization should implement in MVC4 ?
body: <p>I am build a decision based application for multilevel users and permissions. All permission can be assigned bu UI administrator. Is it right way to do ?</p>
  
  <p>Where i should implement authorization ?</p>
  
  <ul>
  <li>Global filters</li>
  <li>Controller filters</li>
  <li>Action Filters</li>
  <li>Custom Authorization Attribute</li>
  <li>Custom membership </li>
  </ul>
  
  <p>If any other best approach and way to implement without using third party please let me know.</p>
  
  <p><strong>I am so confused with different authorization approaches</strong></p>