hi, amos the squid request header below: 2011/07/21 21:00:44.838| httpSendRequest: FD 14: GET /test.html HTTP/1.1 Host: test.com User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.2; zh-CN; rv:1.9.1.9) Gecko/20100315 Firefox/3.5.9 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: zh-cn,zh;q=0.5 Accept-Encoding: gzip,deflate Accept-Charset: GB2312,utf-8;q=0.7,*;q=0.7^M Via: 1.1 cache.test.com (squid) X-Forwarded-For: 1.2.3.4 Cache-Control: max-age=18000 Connection: keep-alive the server response header : 2011/07/21 21:00:44.854| ctx: enter level 0: 'http://test.com/test.html' 2011/07/21 21:00:44.854| processReplyHeader: key 'ACA79E01A135E6ACB25CB2117CC80A71' 2011/07/21 21:00:44.854| init-ing hdr: 0x870e454 owner: 3 2011/07/21 21:00:44.854| parsing hdr: (0x870e454) Date: Thu, 21 Jul 2011 13:00:44 GMT Server: Apache Content-Length: 272 Keep-Alive: timeout=15, max=64 Connection: Keep-Alive Content-Type: text/html; charset=iso-8859-1 i try squid 2.7 with the same config file (just add acl all ^_^)... it can work normally and get 404 pages cache hit... i saw the if (expires==0) expression in the source code. and i am wondering why the expires should be zero here to get expires update. void StoreEntry::negativeCache() { debugs(11, 3, "negativeCache: expires:" << expires); if (expires == 0) #if HTTP_VIOLATIONS { expires = squid_curtime + Config.negativeTtl; debugs(11, 3, "negativeCache: HTTP_VIOLATIONS: expires:" << expires << " squid_curtime:" << squid_curtime << "C onfig.negativeTtl:" << Config.negativeTtl); } #else expires = squid_curtime; #endif EBIT_SET(flags, ENTRY_NEGCACHED); } ssmax ----------- 2011-07-21
