title: Cache-Control http headers
body: <p>I have a problem with http header - cache-control: max-age=1234
  My sources have that header, but any way to send request and receive 304. I need  May be I missed something? 
  And one more, source besides cache-control: max-age=1234 in "response headers" has cache-control: max-age=0 in "request headers", may be it's affecting.</p>
  
  <p>One of my resources response header, Example:</p>
  
  <ol>
  <li><p>Remote Address:10.6.237.13:443 Request  Request Method:GET Status
      Code:304 Not Modified</p>
  
  <ol start="2">
  <li>Response Headers: view source Cache-Control:max-age=5184000
  Connection:Keep-Alive Date:Thu, 13 Aug 2015 05:31:29 GMT
  Expires:Mon, 12 Oct 2015 05:31:29 GMT Keep-Alive:timeout=30, max=98
  Server:Apache/2.2.9 (Win32) mod_jk/1.2.37 mod_ssl/2.2.9
  OpenSSL/1.0.2d Vary:Accept-Encoding,User-Agent</li>
  <li>Request Headers: 
  view source Accept:image/webp,<em>/</em>;q=0.8
  Accept-Encoding:gzip, deflate, sdch Accept-Language:en-US,en;q=0.8
  Cache-Control:max-age=0 Connection:keep-alive
  Cookie:JSESSIONID=2D90E37C3627CE74F7ABF63BC3C023F1.dev; _gat=1;
  _ga=GA1.2.344051414.1437552094 Host:demo.vts.epam.com If-Modified-Since:Wed, 12 Aug 2015 13:49:06 GMT Pragma:no-cache
  Referer User-Agent:Mozilla/5.0 (Windows NT 6.3; WOW64)
  AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.130
  Safari/537.36</li>
  </ol></li>
  </ol>