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author | Eric Covener <covener@apache.org> | 2013-08-26 16:54:17 +0200 |
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committer | Eric Covener <covener@apache.org> | 2013-08-26 16:54:17 +0200 |
commit | 59aa86e3a9dca68f9692e2dce05ddb945d331357 (patch) | |
tree | 824acab2758a6f47c6d2d8f297237810eda3876b /docs | |
parent | PR55352: mention in the <Proxy> manual that the matching is a prefix only, not (diff) | |
download | apache2-59aa86e3a9dca68f9692e2dce05ddb945d331357.tar.xz apache2-59aa86e3a9dca68f9692e2dce05ddb945d331357.zip |
remove cache-busting workarounds for ancient browsers. Add more mimetypes to
the "simple" example.
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1517551 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'docs')
-rw-r--r-- | docs/manual/mod/mod_deflate.xml | 69 |
1 files changed, 3 insertions, 66 deletions
diff --git a/docs/manual/mod/mod_deflate.xml b/docs/manual/mod/mod_deflate.xml index 9e92608036..6452800be0 100644 --- a/docs/manual/mod/mod_deflate.xml +++ b/docs/manual/mod/mod_deflate.xml @@ -38,38 +38,11 @@ client</description> <seealso><a href="../filter.html">Filters</a></seealso> <section id="recommended"><title>Sample Configurations</title> - <p>This is a simple sample configuration for the impatient.</p> + <p>This is a simple configuration that compresses common text-based content types.</p> <example><title>Compress only a few types</title> <highlight language="config"> - AddOutputFilterByType DEFLATE text/html text/plain text/xml - </highlight> - </example> - - <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> - - <example><title>Compress everything except images</title> - <highlight language="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> + AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css text/javascript application/javascript </highlight> </example> @@ -85,14 +58,9 @@ client</description> <highlight language="config"> SetOutputFilter DEFLATE + SetEnvIfNoCase Request_URI \.(?:gif|jpe?g|png)$ no-gzip </highlight> - <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 - <code>1</code> to only allow html files to be compressed (see - below). If you set this to <em>anything but <code>1</code></em> it - will be ignored.</p> - <p>If you want to restrict the compression to particular MIME types in general, you may use the <directive module="mod_filter" >AddOutputFilterByType</directive> directive. Here is an example of @@ -105,37 +73,6 @@ client</description> </Directory> </highlight> - <p>For browsers that have problems even with compression of all file - types, use the <directive module="mod_setenvif" - >BrowserMatch</directive> directive to set the <code>no-gzip</code> - note for that particular browser so that no compression will be - performed. You may combine <code>no-gzip</code> with <code - >gzip-only-text/html</code> to get the best results. In that case - the former overrides the latter. Take a look at the following - excerpt from the <a href="#recommended">configuration example</a> - defined in the section above:</p> - - <highlight language="config"> -BrowserMatch ^Mozilla/4 gzip-only-text/html -BrowserMatch ^Mozilla/4\.0[678] no-gzip -BrowserMatch \bMSIE !no-gzip !gzip-only-text/html - </highlight> - - <p>At first we probe for a <code>User-Agent</code> string that - indicates a Netscape Navigator version of 4.x. These versions - cannot handle compression of types other than - <code>text/html</code>. The versions 4.06, 4.07 and 4.08 also - have problems with decompressing html files. Thus, we completely - turn off the deflate filter for them.</p> - - <p>The third <directive module="mod_setenvif">BrowserMatch</directive> - directive fixes the guessed identity of the user agent, because - the Microsoft Internet Explorer identifies itself also as "Mozilla/4" - but is actually able to handle requested compression. Therefore we - match against the additional string "MSIE" (<code>\b</code> means - "word boundary") in the <code>User-Agent</code> Header and turn off - the restrictions defined before.</p> - <note><title>Note</title> The <code>DEFLATE</code> filter is always inserted after RESOURCE filters like PHP or SSI. It never touches internal subrequests. |