diff options
Diffstat (limited to 'docs/manual/mod/mod_deflate.html.en')
| -rw-r--r-- | docs/manual/mod/mod_deflate.html.en | 180 |
1 files changed, 102 insertions, 78 deletions
diff --git a/docs/manual/mod/mod_deflate.html.en b/docs/manual/mod/mod_deflate.html.en index d5d477b3..6f5de16a 100644 --- a/docs/manual/mod/mod_deflate.html.en +++ b/docs/manual/mod/mod_deflate.html.en @@ -8,11 +8,14 @@ <title>mod_deflate - Apache HTTP Server</title> <link href="../style/css/manual.css" rel="stylesheet" media="all" type="text/css" title="Main stylesheet" /> <link href="../style/css/manual-loose-100pc.css" rel="alternate stylesheet" media="all" type="text/css" title="No Sidebar - Default font size" /> -<link href="../style/css/manual-print.css" rel="stylesheet" media="print" type="text/css" /> +<link href="../style/css/manual-print.css" rel="stylesheet" media="print" type="text/css" /><link rel="stylesheet" type="text/css" href="../style/css/prettify.css" /> +<script src="../style/scripts/prettify.js" type="text/javascript"> +</script> + <link href="../images/favicon.ico" rel="shortcut icon" /></head> <body> <div id="page-header"> -<p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="../faq/">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p> +<p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p> <p class="apache">Apache HTTP Server Version 2.4</p> <img alt="" src="../images/feather.gif" /></div> <div class="up"><a href="./"><img title="<-" alt="<-" src="../images/left.gif" /></a></div> @@ -54,45 +57,42 @@ client</td></tr> </ul><h3>See also</h3> <ul class="seealso"> <li><a href="../filter.html">Filters</a></li> -</ul></div> +</ul><ul class="seealso"><li><a href="#comments_section">Comments</a></li></ul></div> <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> <div class="section"> <h2><a name="recommended" id="recommended">Sample Configurations</a></h2> <p>This is a simple sample configuration for the impatient.</p> - <div class="example"><h3>Compress only a few types</h3><p><code> + <div class="example"><h3>Compress only a few types</h3><pre class="prettyprint lang-config"> AddOutputFilterByType DEFLATE text/html text/plain text/xml - </code></p></div> + </pre> +</div> <p>The following configuration, while resulting in more compressed content, is also much more complicated. Do not use this unless you fully understand all the configuration details.</p> - <div class="example"><h3>Compress everything except images</h3><p><code> - <Location /><br /> - <span class="indent"> - # Insert filter<br /> - SetOutputFilter DEFLATE<br /> - <br /> - # Netscape 4.x has some problems...<br /> - BrowserMatch ^Mozilla/4 gzip-only-text/html<br /> - <br /> - # Netscape 4.06-4.08 have some more problems<br /> - BrowserMatch ^Mozilla/4\.0[678] no-gzip<br /> - <br /> - # MSIE masquerades as Netscape, but it is fine<br /> - BrowserMatch \bMSIE !no-gzip !gzip-only-text/html<br /> - # Don't compress images<br /> - SetEnvIfNoCase Request_URI \<br /> - <span class="indent"> - \.(?:gif|jpe?g|png)$ no-gzip dont-vary<br /> - </span> - <br /> - # Make sure proxies don't deliver the wrong content<br /> - Header append Vary User-Agent env=!dont-vary<br /> - </span> - </Location> - </code></p></div> + <div class="example"><h3>Compress everything except images</h3><pre class="prettyprint lang-config"> +<Location /> + # Insert filter + SetOutputFilter DEFLATE + + # Netscape 4.x has some problems... + BrowserMatch ^Mozilla/4 gzip-only-text/html + + # Netscape 4.06-4.08 have some more problems + BrowserMatch ^Mozilla/4\.0[678] no-gzip + + # MSIE masquerades as Netscape, but it is fine + BrowserMatch \bMSIE !no-gzip !gzip-only-text/html + # Don't compress images + SetEnvIfNoCase Request_URI \.(?:gif|jpe?g|png)$ no-gzip dont-vary + + # Make sure proxies don't deliver the wrong content + Header append Vary User-Agent env=!dont-vary +</Location> + </pre> +</div> </div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> <div class="section"> @@ -104,9 +104,10 @@ client</td></tr> will enable compression for documents in the container where it is placed:</p> - <div class="example"><p><code> + <pre class="prettyprint lang-config"> SetOutputFilter DEFLATE - </code></p></div> + </pre> + <p>Some popular browsers cannot handle compression of all content so you may want to set the <code>gzip-only-text/html</code> note to @@ -119,13 +120,12 @@ client</td></tr> enabling compression only for the html files of the Apache documentation:</p> - <div class="example"><p><code> - <Directory "/your-server-root/manual"><br /> - <span class="indent"> - AddOutputFilterByType DEFLATE text/html<br /> - </span> - </Directory> - </code></p></div> + <pre class="prettyprint lang-config"> +<Directory "/your-server-root/manual"> + AddOutputFilterByType DEFLATE text/html +</Directory> + </pre> + <p>For browsers that have problems even with compression of all file types, use the <code class="directive"><a href="../mod/mod_setenvif.html#browsermatch">BrowserMatch</a></code> directive to set the <code>no-gzip</code> @@ -135,11 +135,12 @@ client</td></tr> excerpt from the <a href="#recommended">configuration example</a> defined in the section above:</p> - <div class="example"><p><code> - BrowserMatch ^Mozilla/4 gzip-only-text/html<br /> - BrowserMatch ^Mozilla/4\.0[678] no-gzip<br /> - BrowserMatch \bMSIE !no-gzip !gzip-only-text/html - </code></p></div> + <pre class="prettyprint lang-config"> +BrowserMatch ^Mozilla/4 gzip-only-text/html +BrowserMatch ^Mozilla/4\.0[678] no-gzip +BrowserMatch \bMSIE !no-gzip !gzip-only-text/html + </pre> + <p>At first we probe for a <code>User-Agent</code> string that indicates a Netscape Navigator version of 4.x. These versions @@ -174,14 +175,13 @@ client</td></tr> this feature you have to insert the <code>INFLATE</code> filter into the outputfilter chain using <code class="directive"><a href="../mod/core.html#setoutputfilter">SetOutputFilter</a></code> or <code class="directive"><a href="../mod/mod_mime.html#addoutputfilter">AddOutputFilter</a></code>, for example:</p> - <div class="example"><p><code> - <Location /dav-area><br /> - <span class="indent"> - ProxyPass http://example.com/<br /> - SetOutputFilter INFLATE<br /> - </span> - </Location> - </code></p></div> + <pre class="prettyprint lang-config"> +<Location /dav-area> + ProxyPass http://example.com/ + SetOutputFilter INFLATE +</Location> + </pre> + <p>This Example will uncompress gzip'ed output from example.com, so other filters can do further processing with it. @@ -194,13 +194,12 @@ client</td></tr> this feature you have to insert the <code>DEFLATE</code> filter into the input filter chain using <code class="directive"><a href="../mod/core.html#setinputfilter">SetInputFilter</a></code> or <code class="directive"><a href="../mod/mod_mime.html#addinputfilter">AddInputFilter</a></code>, for example:</p> - <div class="example"><p><code> - <Location /dav-area><br /> - <span class="indent"> - SetInputFilter DEFLATE<br /> - </span> - </Location> - </code></p></div> + <pre class="prettyprint lang-config"> +<Location /dav-area> + SetInputFilter DEFLATE +</Location> + </pre> + <p>Now if a request contains a <code>Content-Encoding: gzip</code> header, the body will be automatically decompressed. @@ -234,18 +233,20 @@ client</td></tr> in a typical configuration where the addition of the <code>DEFLATE</code> filter depends on the <code>User-Agent</code>, you should add:</p> - <div class="example"><p><code> + <pre class="prettyprint lang-config"> Header append Vary User-Agent - </code></p></div> + </pre> + <p>If your decision about compression depends on other information than request headers (<em>e.g.</em> HTTP version), you have to set the <code>Vary</code> header to the value <code>*</code>. This prevents compliant proxies from caching entirely.</p> - <div class="example"><h3>Example</h3><p><code> + <div class="example"><h3>Example</h3><pre class="prettyprint lang-config"> Header set Vary * - </code></p></div> + </pre> +</div> </div> <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div> <div class="directive-section"><h2><a name="DeflateBufferSize" id="DeflateBufferSize">DeflateBufferSize</a> <a name="deflatebuffersize" id="deflatebuffersize">Directive</a></h2> @@ -296,12 +297,13 @@ client</td></tr> the directive. You can use that note for statistical purposes by adding the value to your <a href="../logs.html#accesslog">access log</a>.</p> - <div class="example"><h3>Example</h3><p><code> - DeflateFilterNote ratio<br /> - <br /> - LogFormat '"%r" %b (%{ratio}n) "%{User-agent}i"' deflate<br /> + <div class="example"><h3>Example</h3><pre class="prettyprint lang-config"> + DeflateFilterNote ratio + + LogFormat '"%r" %b (%{ratio}n) "%{User-agent}i"' deflate CustomLog logs/deflate_log deflate - </code></p></div> + </pre> +</div> <p>If you want to extract more accurate values from your logs, you can use the <var>type</var> argument to specify the type of data @@ -322,14 +324,15 @@ client</td></tr> <p>Thus you may log it this way:</p> - <div class="example"><h3>Accurate Logging</h3><p><code> - DeflateFilterNote Input instream<br /> - DeflateFilterNote Output outstream<br /> - DeflateFilterNote Ratio ratio<br /> - <br /> - LogFormat '"%r" %{outstream}n/%{instream}n (%{ratio}n%%)' deflate<br /> - CustomLog logs/deflate_log deflate - </code></p></div> + <div class="example"><h3>Accurate Logging</h3><pre class="prettyprint lang-config"> +DeflateFilterNote Input instream +DeflateFilterNote Output outstream +DeflateFilterNote Ratio ratio + +LogFormat '"%r" %{outstream}n/%{instream}n (%{ratio}n%%)' deflate +CustomLog logs/deflate_log deflate +</pre> +</div> <h3>See also</h3> <ul> @@ -372,7 +375,28 @@ client</td></tr> <a href="../fr/mod/mod_deflate.html" hreflang="fr" rel="alternate" title="Français"> fr </a> | <a href="../ja/mod/mod_deflate.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> | <a href="../ko/mod/mod_deflate.html" hreflang="ko" rel="alternate" title="Korean"> ko </a></p> -</div><div id="footer"> +</div><div class="top"><a href="#page-header"><img src="../images/up.gif" alt="top" /></a></div><div class="section"><h2><a id="comments_section" name="comments_section">Comments</a></h2><div class="warning"><strong>Notice:</strong><br />This is not a Q&A section. Comments placed here should be pointed towards suggestions on improving the documentation or server, and may be removed again by our moderators if they are either implemented or considered invalid/off-topic. Questions on how to manage the Apache HTTP Server should be directed at either our IRC channel, #httpd, on Freenode, or sent to our <a href="http://httpd.apache.org/lists.html">mailing lists</a>.</div> +<script type="text/javascript"><!--//--><![CDATA[//><!-- +var comments_shortname = 'httpd'; +var comments_identifier = 'http://httpd.apache.org/docs/2.4/mod/mod_deflate.html'; +(function(w, d) { + if (w.location.hostname.toLowerCase() == "httpd.apache.org") { + d.write('<div id="comments_thread"><\/div>'); + var s = d.createElement('script'); + s.type = 'text/javascript'; + s.async = true; + s.src = 'https://comments.apache.org/show_comments.lua?site=' + comments_shortname + '&page=' + comments_identifier; + (d.getElementsByTagName('head')[0] || d.getElementsByTagName('body')[0]).appendChild(s); + } + else { + d.write('<div id="comments_thread">Comments are disabled for this page at the moment.<\/div>'); + } +})(window, document); +//--><!]]></script></div><div id="footer"> <p class="apache">Copyright 2012 The Apache Software Foundation.<br />Licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.</p> -<p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="../faq/">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p></div> +<p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p></div><script type="text/javascript"><!--//--><![CDATA[//><!-- +if (typeof(prettyPrint) !== 'undefined') { + prettyPrint(); +} +//--><!]]></script> </body></html>
\ No newline at end of file |