title: Cross-origin resource sharing for Tomcat 7
body: <p>I am new to Cross-origin resource sharing and I want to enable it in a Tomcat 7.0.39 server. Anybody can give me some hint how can this be achieved?</p>
  
  <p>I want to set the header universally for all requests, and to allow all origins (Access-Control-Allow-Origin: *)</p>
  
  <p>Wich file should i add it?</p>