测试结果:
HTTP/1.0 200 OK
Server: nginx/1.0.12
Date: Fri, 06 Dec 2013 17:02:18 GMT
Content-Type: text/html; charset=UTF-8
Vary: Accept-Encoding
X-Powered-By: PHP/5.2.17p1
Set-Cookie: frontend=40b83b2e6984db5292c613adc87744cf; expires=Fri, 06-Dec-2013 18:02:17 GMT; path=/; domain=www.xxxxx.com; HttpOnly
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
X-Cache: MISS from WT263CDN-10371
X-Cache-Lookup: MISS from WT263CDN-10371:80
X-Cache: MISS from WT263CDN-2974
X-Cache-Lookup: MISS from WT263CDN-2974:80
X-Cache: MISS from WT263CDN-18309
X-Cache-Lookup: MISS from WT263CDN-18309:80
Via: 1.0 WT263CDN-10371 (squid/3.0.STABLE20), 1.0 WT263CDN-2974 (squid/3.0.STABLE20), 1.0 WT263CDN-18309 (squid/3.0.STABLE20)
Connection: close