[Oct 19 17:41:29.027] Server {3058617200} DEBUG: (http_trans) [handle_cache_operation_on_forward_server_response] (hcoofsr)
[Oct 19 17:41:29.027] Server {3058617200} DEBUG: (http_seq) [handle_cache_operation_on_forward_server_response]
[Oct 19 17:41:29.027] Server {3058617200} DEBUG: (http_trans) [is_response_cacheable] client permits storing
[Oct 19 17:41:29.027] Server {3058617200} DEBUG: (http_trans) [is_response_cacheable] YES response w/ Expires
[Oct 19 17:41:29.027] Server {3058617200} DEBUG: (http_trans) [hcoofsr] response cacheable
[Oct 19 17:41:29.027] Server {3058617200} DEBUG: (http_trans) [hcoofsr] cache update/replace
[Oct 19 17:41:29.027] Server {3058617200} DEBUG: (http_trans) [hcoofsr] Client request was conditional
[Oct 19 17:41:29.028] Server {3058617200} DEBUG: (http_trans) [hcoofsr] merge and update cached copy
[Oct 19 17:41:29.028] Server {3058617200} DEBUG: (http_hdr_space) Merged response header with 489 dead bytes
[Oct 19 17:41:29.028] Server {3058617200} DEBUG: (http_trans) [WUTS code generation] Hit/Miss: 97, Log: 53, Hier: 50, Status: 304
[Oct 19 17:41:29.028] Server {3058617200} DEBUG: (http_trans) Adding Server: ATS/3.0.1
+++++++++ Base Header for Building Response +++++++++
-- State Machine Id: 4189
HTTP/1.1 200 OK
Date: Wed, 19 Oct 2011 10:41:29 GMT
Content-Type: image/jpeg
Connection: keep-alive
Server: Apache/2.0.52 (Red Hat)
Cache-Control: max-age=315360000
Expires: Mon, 28 Jul 2014 23:30:00 GMT
Last-Modified: Fri, 16 Sep 2011 16:21:39 GMT
Accept-Ranges: bytes
Content-Length: 242011
Age: 23676
X-Cache: HIT from photocache705.flickr.ne1.yahoo.com
X-Cache-Lookup: HIT from photocache705.flickr.ne1.yahoo.com:85
Via: 1.1 photocache705.flickr.ne1.yahoo.com:85 (squid/2.7.STABLE9)

+++++++++ Proxy's Response 2 +++++++++
-- State Machine Id: 4189
HTTP/1.1 304 Not Modified
Date: Wed, 19 Oct 2011 10:41:29 GMT
Expires: Mon, 28 Jul 2014 23:30:00 GMT
Cache-Control: max-age=315360000
Connection: keep-alive
Server: ATS/3.0.1

+++++++++ Proxy's Response (Client Conditionals) +++++++++
-- State Machine Id: 4189
HTTP/1.1 304 Not Modified
Date: Wed, 19 Oct 2011 10:41:29 GMT
Expires: Mon, 28 Jul 2014 23:30:00 GMT
Cache-Control: max-age=315360000
Connection: keep-alive
Server: ATS/3.0.1
Via: 1.1 photocache705.flickr.ne1.yahoo.com:85 (squid/2.7.STABLE9)