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	<title>扶凯 &#187; expires</title>
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	<description>Perl Linux CDN Video</description>
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		<title>过期时间在 60 秒内 squid 不 Cache 的问题</title>
		<link>http://www.php-oa.com/2010/03/16/minimum-expiry-time.html</link>
		<comments>http://www.php-oa.com/2010/03/16/minimum-expiry-time.html#comments</comments>
		<pubDate>Tue, 16 Mar 2010 05:41:59 +0000</pubDate>
		<dc:creator>扶 凯</dc:creator>
				<category><![CDATA[CDN 技术]]></category>
		<category><![CDATA[60]]></category>
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		<category><![CDATA[expires]]></category>
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		<description><![CDATA[看论坛有人出现一个问题,就是当 Expires 设置为 60 秒以内时都不会 Cache ,但当设置成 61 秒时就能 Cache. 其实这不是个问题,在 Squid 中有这样一行配置 minimum_expiry_time 默认值是 60 .所以只需要修改这... ]]></description>
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		<title>Squid和Apache中的max-age与Expires的分别</title>
		<link>http://www.php-oa.com/2008/09/05/squidmaxageexpires.html</link>
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		<pubDate>Fri, 05 Sep 2008 14:14:28 +0000</pubDate>
		<dc:creator>扶 凯</dc:creator>
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		<category><![CDATA[age]]></category>
		<category><![CDATA[expires]]></category>
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		<description><![CDATA[&#160; 主要重点在于我们要明白一个相对(Expires)一个绝对(max-age). 分别 max-age max-age是HTTP/1.1中,他是指我们的web中的文件被用户访问(请求)后的存活时间,是个相对的值,相对Request_time(请求时间). 例... ]]></description>
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