anchor.diff:      }
     }
   
  -  # Serve stale period
  -  set beresp.grace = 6h;
  -
     # Allow cached authorized requests
     if (req.http.Authorization) {
       return(deliver);
  
positive.code: }
  
  sub vcl_fetch {
    # remove cookies
    if (req.backend != licensify) {
      unset beresp.http.set-cookie;
  
negative.code:     }
    }
  
    # Serve stale period. This is the period for which Varnish is *allowed* to
    # serve stale content beyond the object TTL in the event of errors from
    # origin.
    set req.grace = 6h;
  
    # remove cookies
  