{"id":34,"date":"2005-08-01T15:21:20","date_gmt":"2005-08-01T07:21:20","guid":{"rendered":"http:\/\/blog.urdada.net\/2005\/08\/01\/34\/"},"modified":"2007-10-05T00:04:18","modified_gmt":"2007-10-04T16:04:18","slug":"%e5%8b%95%e6%85%8b%e7%b6%b2%e9%a0%81%e4%b9%9f%e5%8f%af%e4%bb%a5%e8%a2%ab%e5%bf%ab%e5%8f%96%e5%96%94-part-ii","status":"publish","type":"post","link":"https:\/\/dada.tw\/blog\/2005\/08\/01\/34\/","title":{"rendered":"\u52d5\u614b\u7db2\u9801\u4e5f\u53ef\u4ee5\u88ab\u5feb\u53d6\u5594! (Part II)"},"content":{"rendered":"<p>\u63a5\u7e8c\u524d\u9762\u90a3\u4e00\u7bc7\u300c<a href=\"http:\/\/blog.urdada.net\/2005\/08\/01\/33\/\">\u52d5\u614b\u7db2\u9801\u4e5f\u53ef\u4ee5\u88ab\u5feb\u53d6\u5594!<\/a>\u300d<\/p>\n<p>\u524d\u9762\u9019\u6a23\u7684\u4fee\u6539\u4e8b\u5be6\u4e0a\u4ecd\u4e0d\u592a\u5920\uff0c\u5728\u67d0\u4e9b\u72c0\u6cc1\u4e0b\u4ecd\u7121\u6cd5\u7bc0\u7701\u983b\u5bec\uff0c\u751a\u81f3\u6709\u4e9b\u6642\u5019\u6703\u767c\u751f\u6a94\u6848\u66f4\u65b0\u5f8c\uff0c\u6293\u5230\u7684\u6a94\u6848\u9084\u662f\u820a\u7684  \ud83d\ude41<\/p>\n<p>\u9019\u4e00\u7bc7\u4f5c\u6cd5\u5617\u8a66\u9032\u4e00\u6b65\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\uff0c\u6211\u5011\u628a\u524d\u9762\u7684\u7a0b\u5f0f\u518d\u4f5c\u4e00\u4e9b\u4fee\u6539\uff1a<\/p>\n<pre lang=\"php\"><?\r\n#   http:\/\/bbs.giga.net.tw\/demo\/dl-test3.php\r\n\r\n    $filename = 'Peacock.jpg';\r\n    $ims = preg_replace('\/;.*$\/', '', $_SERVER['HTTP_IF_MODIFIED_SINCE'] );\r\n    $mod_time = gmdate('D, d M Y H:i:s', filemtime($filename)) . ' GMT';\r\n    if( $mod_time == $ims ) {\r\n            header( 'HTTP\/1.0 304 Not Modified' );\r\n            exit;\r\n    }\r\n    header( 'Cache-Control: max-age=60' );\r\n    header( 'Last-Modified: ' . $mod_time );\r\n    header( 'Content-Type: application\/octet-stream' );\r\n    header( 'Content-Length: ' . filesize($filename) );\r\n    header( 'Content-Transfer-Encoding: binary' );\r\n    header( 'Content-Disposition: attachment; filename=\"'.$filename.'\"' );\r\n\r\n    $fp = fopen( $filename, 'rb' );\r\n    while( !feof($fp) ) {\r\n            echo fread( $fp, 1024 );\r\n    }\r\n    fclose($fp);\r\n?><\/pre>\n<p>\u9019\u908a\u4f5c\u4e00\u4e9b\u8aaa\u660e\uff1a<\/p>\n<p><a href=\"http:\/\/webamp.giga.net.tw\/\" target=\"_blank\">WebAMP<\/a> \u5c0d\u65bc\u5df2\u7d93\u5b58\u53d6\u904e\u7684\u6a94\u6848\uff0c\u6703\u5c0d Web Server \u767c\u51fa <a href=\"http:\/\/www.w3.org\/Protocols\/rfc2616\/rfc2616-sec14.html#sec14.25\" target=\"_blank\"><strong>If-Modified-Since<\/strong><\/a> \u7684\u8acb\u6c42\uff0c\u8981\u6c42 Web Server  \u78ba\u8a8d\u8a72\u6a94\u6848\u662f\u5426\u5df2\u7d93\u4fee\u6539\u904e\u4e86<\/p>\n<p>\u6240\u4ee5\u7a0b\u5f0f\u9996\u5148\u6293\u53d6 <strong>$_SERVER[&#8216;HTTP_IF_MODIFIED_SINCE&#8217;]<\/strong> \u8b8a\u6578\uff0c\u8207 <a href=\"http:\/\/www.w3.org\/Protocols\/rfc2616\/rfc2616-sec14.html#sec14.29\" target=\"_blank\"><strong>Last-Modified<\/strong><\/a> \u6bd4\u8f03\uff0c\u5982\u679c\u767c\u73fe\u5169\u8005\u76f8\u540c\uff0c\u5c31\u56de\u50b3 <strong>HTTP\/1.0 304 Not  Modified<\/strong> \u544a\u77e5 <a href=\"http:\/\/webamp.giga.net.tw\/\" target=\"_blank\">WebAMP<\/a>  \u9019\u500b\u6a94\u6848\u6c92\u66f4\u65b0\u904e\u7136\u5f8c\u76f4\u63a5\u7d50\u675f\u7a0b\u5f0f ( <strong>exit<\/strong> )\uff0c\u907f\u514d\u8017\u8cbb\u983b\u5bec<\/p>\n<p>\u53e6\u5916\u5c31\u662f\u52a0\u4e0a <strong>Cache-Control:  max-age=60<\/strong> \u9019\u500b\u6307\u4ee4\uff1a<\/p>\n<p><a href=\"http:\/\/www.w3.org\/Protocols\/rfc2616\/rfc2616-sec14.html#sec14.9.3\" target=\"_blank\"><strong>max-age<\/strong><\/a> \u7684\u6548\u7528\u7b49\u540c\u4ee5\u524d\u7684 <a href=\"http:\/\/www.w3.org\/Protocols\/rfc2616\/rfc2616-sec14.html#sec14.21\" target=\"_blank\"><strong>Expires:<\/strong><\/a> header\uff0c\u4f46\u662f\u4f7f\u7528\u8d77\u4f86\u66f4\u65b9\u4fbf\u4e00\u9ede  (\u53ea\u9808\u6307\u5b9a\u79d2\u6578)<\/p>\n<p><strong>max-age=60<\/strong> \u662f\u544a\u77e5 <a href=\"http:\/\/webamp.giga.net.tw\/\" target=\"_blank\">WebAMP<\/a> \u8a72\u6a94\u6848 60 \u79d2\u5167\u90fd\u4e0d\u6703\u66f4\u65b0<\/p>\n<p>\u9019\u500b\u8a2d\u5b9a\u6703\u8b93 <a href=\"http:\/\/webamp.giga.net.tw\/\" target=\"_blank\">WebAMP<\/a> \u5728 60 \u79d2\u5167\u90fd\u4e0d\u6703\u4f86\u554f Web  Server \u662f\u5426\u6709\u66f4\u65b0\uff0c\u53ef\u4ee5\u964d\u4f4e Server \u7684\u4e00\u4e9b\u8ca0\u8f09\uff0c\u8d85\u904e 60 \u79d2\u4ee5\u5f8c\uff0c<a href=\"http:\/\/webamp.giga.net.tw\/\" target=\"_blank\">WebAMP<\/a> \u6703\u7528 <a href=\"http:\/\/www.w3.org\/Protocols\/rfc2616\/rfc2616-sec14.html#sec14.25\" target=\"_blank\"><strong>If-Modified-Since<\/strong><\/a> \u7684\u65b9\u5f0f\u53bb\u554f Web Server  \u8a72\u6a94\u6848\u662f\u5426\u6709\u66f4\u65b0<\/p>\n<p>\u4f60\u53ef\u4ee5\u4f9d\u64da\u9700\u6c42\u4ee5\u53ca\u6a94\u6848\u66f4\u65b0\u7684\u983b\u7387\u4f86\u9069\u7576\u8abf\u6574\u9019\u500b\u6578\u503c<\/p>\n<p>\u4fee\u6539\u4e4b\u5f8c\uff0c\u9664\u4e86\u7b2c\u4e00\u6b21\u4e4b\u5916\uff0c\u7d50\u679c\u7576\u7136\u662f\u8b93\u4eba\u6eff\u610f\u7684\u56c9\uff1a<\/p>\n<pre><font color=\"blue\"># wget -v -S 'http:\/\/bbs.giga.net.tw\/demo\/dl-test3.php'<\/font>\r\n--15:12:36--  http:\/\/bbs.giga.net.tw\/demo\/dl-test3.php\r\n           =&gt; `dl-test3.php'\r\nResolving bbs.giga.net.tw... done.\r\nConnecting to bbs.giga.net.tw[203.187.29.180]:80... connected.\r\nHTTP request sent, awaiting response...\r\n 1 HTTP\/1.0 200 OK\r\n 2 Date: Mon, 01 Aug 2005 07:04:49 GMT\r\n 3 Server: Apache\/2.0.54 (FreeBSD) PHP\/5.0.4\r\n 4 X-Powered-By: PHP\/5.0.4\r\n 5 Cache-Control: max-age=60\r\n 6 Last-Modified: Tue, 18 May 2004 08:53:23 GMT\r\n 7 Content-Length: 1474750\r\n 8 Content-Transfer-Encoding: binary\r\n 9 Content-Disposition: attachment; filename=\"Peacock.jpg\"\r\n10 Content-Type: application\/octet-stream\r\n11 X-Cache: <strong><font color=\"red\">HIT<\/font><\/strong> from WebAmpRP@GIGAMEDIA\r\n12 Connection: close\r\n\r\n100%[====================================&gt;] 1,474,750      1.32M\/s<\/pre>\n<p>\u6700\u5f8c\uff0c\u6211\u5011\u56de\u904e\u982d\u4f86\u770b\u770b Web Server \u7aef\u7684 LOG (access.log)<\/p>\n<p>\u7b2c\u4e00\u6b21\u4e0b\u8f09 dl-test3.php  \u6642\uff0c\u7576\u7136\u662f MISS \u7684\uff0c\u9019\u6642\u5019\u7684\u72c0\u614b\u78bc\u662f 200 :<\/p>\n<pre>203.187.29.181 - - [01\/Aug\/2005:14:51:01 +0800] \"GET \/demo\/dl-test3.php HTTP\/1.0\"\r\n               <strong>200<\/strong> 1474750 \"http:\/\/bbs.giga.net.tw\/\" \"Wget\/1.8.2\"<\/pre>\n<p>\u7531\u65bc\u6211\u5011\u524d\u9762\u8a2d\u5b9a\u4e86 max-age=60\uff0c\u56e0\u6b64\u5728 60 \u79d2\u4e4b\u5167\u91cd\u8907\u4e0b\u8f09 dl-test3.php\uff0c\u90fd\u6703\u7531 <a href=\"http:\/\/webamp.giga.net.tw\/\" target=\"_blank\">WebAMP<\/a> \u76f4\u63a5\u8655\u7406\u6389\uff0c\u800c\u4e0d\u6703\u5728 Web Server  \u4e0a\u9762\u770b\u5230\u4efb\u4f55 LOG<\/p>\n<p>\u4f46\u8d85\u904e 60 \u79d2\u5f8c\uff0c\u4f60\u5c31\u6703\u5728 Web Server \u4e0a\u9762\u770b\u5230 304 \u7684\u72c0\u614b\u78bc (\u8981\u6c42\u78ba\u8a8d\u662f\u5426\u66f4\u65b0\u904e):<\/p>\n<pre>203.187.29.181 - - [01\/Aug\/2005:14:52:06 +0800] \"GET \/demo\/dl-test3.php HTTP\/1.0\"\r\n               <strong>304<\/strong> - \"http:\/\/bbs.giga.net.tw\/\" \"Wget\/1.8.2\"<\/pre>\n<p>\u78ba\u8a8d\u904e\u5f8c\uff0c\u4e00\u6a23\u8981\u518d\u9694 60 \u79d2\u624d\u6703\u518d\u5411 Web Server \u554f\u4e00\u6b21 <a href=\"http:\/\/www.w3.org\/Protocols\/rfc2616\/rfc2616-sec14.html#sec14.25\" target=\"_blank\"><strong>If-Modified-Since<\/strong><\/a><\/p>\n<p>\u6700\u5f8c\uff0c\u60f3\u77ad\u89e3\u66f4\u9032\u4e00\u6b65\u8cc7\u8a0a\u7684\uff0c\u4e0b\u9762\u5e7e\u500b\u9023\u7d50\u53ef\u4ee5\u53c3\u8003\u770b\u770b:<\/p>\n<ul>\n<li><a href=\"http:\/\/www.mnot.net\/cache_docs\/\" target=\"_blank\">Caching Tutorial<\/a>  (for Web Authors and Webmasters)<\/li>\n<li><a href=\"http:\/\/www.w3.org\/Protocols\/rfc2616\/rfc2616-sec14.html\" target=\"_blank\">HTTP 1.1 &#8211; Header Field Definitions<\/a><\/li>\n<\/ul>\n<p>\u6b61\u8fce\u5927\u5bb6\u90fd\u4f86\u8a66\u7528\u770b\u770b <a href=\"http:\/\/webamp.giga.net.tw\/\" target=\"_blank\">WebAMP<\/a>  \u7684\u670d\u52d9!<\/p>\n<p>\u4ee5\u4e0a\u9019\u4e9b\u4f5c\u6cd5\u4e0d\u53ea\u9069\u7528\u65bc <a href=\"http:\/\/webamp.giga.net.tw\/\" target=\"_blank\">WebAMP<\/a>\uff0c\u53ea\u8981\u60a8\u60f3\u8981\u8b93\u52d5\u614b\u7db2\u9801\u53ef\u4ee5\u88ab Proxy \u5feb\u53d6\uff0c\u90fd\u53ef\u4ee5\u4f7f\u7528\u4e0a\u8ff0\u65b9\u6cd5\u4f86\u4fee\u6539\u7a0b\u5f0f<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a5\u7e8c\u524d\u9762\u90a3\u4e00\u7bc7\u300c\u52d5\u614b\u7db2\u9801\u4e5f\u53ef\u4ee5\u88ab\u5feb\u53d6\u5594!\u300d \u524d\u9762\u9019\u6a23\u7684\u4fee\u6539\u4e8b\u5be6\u4e0a\u4ecd\u4e0d\u592a\u5920\uff0c\u5728\u67d0\u4e9b\u72c0\u6cc1\u4e0b\u4ecd\u7121\u6cd5\u7bc0\u7701\u983b\u5bec\uff0c\u751a\u81f3\u6709\u4e9b [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[12],"tags":[],"class_list":["post-34","post","type-post","status-publish","format-standard","hentry","category-network"],"views":4919,"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pubdi-y","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":33,"url":"https:\/\/dada.tw\/blog\/2005\/08\/01\/33\/","url_meta":{"origin":34,"position":0},"title":"\u52d5\u614b\u7db2\u9801\u4e5f\u53ef\u4ee5\u88ab\u5feb\u53d6\u5594!","author":"dada","date":"2005-08-01","format":false,"excerpt":"\u8a71\u8aaa GIGA \u7684 WebAMP \u670d\u52d9\u63a8\u51fa\u6709\u4e00\u9663\u5b50\u4e86 \u5f88\u591a\u4eba\u90fd\u4ee5\u70ba WebAMP \u53ea\u80fd\u7d66\u975c\u614b\u7db2\u9801\u4f7f\u7528\u2026","rel":"","context":"\u5728\u300c\u7db2\u8def\u79d1\u6280\u300d\u4e2d","block_context":{"text":"\u7db2\u8def\u79d1\u6280","link":"https:\/\/dada.tw\/blog\/category\/network\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":18,"url":"https:\/\/dada.tw\/blog\/2005\/06\/23\/18\/","url_meta":{"origin":34,"position":1},"title":"eAccelerator &#8211; PHP \u7db2\u9801\u52a0\u901f\u53ca\u7de8\u78bc","author":"dada","date":"2005-06-23","format":false,"excerpt":"eAccelerator - PHP \u7db2\u9801\u52a0\u901f\u53ca\u7de8\u78bc\u8edf\u9ad4 http:\/\/eaccelerator.n\u2026","rel":"","context":"\u5728\u300c\u7a0b\u5f0f\u8a9e\u8a00\u300d\u4e2d","block_context":{"text":"\u7a0b\u5f0f\u8a9e\u8a00","link":"https:\/\/dada.tw\/blog\/category\/comp\/language\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":35,"url":"https:\/\/dada.tw\/blog\/2005\/03\/29\/35\/","url_meta":{"origin":34,"position":2},"title":"\u4f7f\u7528 SSH \u914d\u5408\u6191\u8b49\u4f86\u9060\u7aef\u5099\u4efd\u6a94\u6848 (rsync)","author":"dada","date":"2005-03-29","format":false,"excerpt":"\u524d\u9762\u5beb\u4e86\u4e00\u7bc7\u300c\u4f7f\u7528 SSH \u914d\u5408\u6191\u8b49\u4f86\u9060\u7aef\u8907\u88fd\u6a94\u6848\u300d \u7c21\u4ecb\u4f7f\u7528 scp \u914d\u5408 ssh \u4f86\u9060\u7aef\u8907\u88fd\u6a94\u6848\u2026","rel":"","context":"\u5728\u300c\u8cc7\u8a0a\u5b89\u5168\u300d\u4e2d","block_context":{"text":"\u8cc7\u8a0a\u5b89\u5168","link":"https:\/\/dada.tw\/blog\/category\/comp\/security\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":24,"url":"https:\/\/dada.tw\/blog\/2005\/09\/08\/24\/","url_meta":{"origin":34,"position":3},"title":"URL \u542b\u4e2d\u6587\u8def\u5f91\u540d\u7a31\u7684\u7d42\u6975\u89e3\u6cd5","author":"dada","date":"2005-09-08","format":false,"excerpt":"URL \u542b\u4e2d\u6587\u8def\u5f91\u540d\u7a31\u7684\u7d42\u6975\u89e3\u6cd5 - \u5229\u7528 mod_fileiri \u89e3\u6c7a\u4e2d\u6587\u6a94\u540d\u554f\u984c \u7576\u7136\uff0c\u5c0d\u4ed8\u4e2d\u6587\u2026","rel":"","context":"\u5728\u300c\u7db2\u8def\u79d1\u6280\u300d\u4e2d","block_context":{"text":"\u7db2\u8def\u79d1\u6280","link":"https:\/\/dada.tw\/blog\/category\/network\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":64,"url":"https:\/\/dada.tw\/blog\/2006\/10\/06\/64\/","url_meta":{"origin":34,"position":4},"title":"svndumpfilter with wildcards support ?","author":"dada","date":"2006-10-06","format":false,"excerpt":"Subversion \u7684 svnadmin obliterate \u529f\u80fd\u4e00\u76f4\u6c92\u6709\u5be6\u4f5c\u51fa\u4f86\uff0c\u9019\u5be6\u5728\u662f\u6709\u9ede\u2026","rel":"","context":"\u5728\u300c\u8edf\u9ad4\u300d\u4e2d","block_context":{"text":"\u8edf\u9ad4","link":"https:\/\/dada.tw\/blog\/category\/comp\/software\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":60,"url":"https:\/\/dada.tw\/blog\/2007\/11\/01\/60\/","url_meta":{"origin":34,"position":5},"title":"La Fonera 0.7.2 r2 \u5347\u7d1a+SSH\u7834\u89e3","author":"dada","date":"2007-11-01","format":false,"excerpt":"[update on Dec 5, 2007] Warning: kolofonium may no\u2026","rel":"","context":"\u5728\u300c\u786c\u9ad4\u300d\u4e2d","block_context":{"text":"\u786c\u9ad4","link":"https:\/\/dada.tw\/blog\/category\/comp\/hardware\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/dada.tw\/blog\/wp-json\/wp\/v2\/posts\/34","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dada.tw\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dada.tw\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dada.tw\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/dada.tw\/blog\/wp-json\/wp\/v2\/comments?post=34"}],"version-history":[{"count":0,"href":"https:\/\/dada.tw\/blog\/wp-json\/wp\/v2\/posts\/34\/revisions"}],"wp:attachment":[{"href":"https:\/\/dada.tw\/blog\/wp-json\/wp\/v2\/media?parent=34"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dada.tw\/blog\/wp-json\/wp\/v2\/categories?post=34"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dada.tw\/blog\/wp-json\/wp\/v2\/tags?post=34"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}