title: Laravel 5 how to set Cache-Control HTTP header globally?
body: <p>My Laravel application is returning <code>Cache-Control: no-cache, private</code> HTTP header by default for each site. How can I change this behaviour?</p>
  
  <p>P.S.: It is not a PHP.ini problem, because changing <code>session.cache_limiter</code> to empty/public does not change anything.</p>