[wp-trac] [WordPress Trac] #18043: Uploaded images dissapear after loading if using compression w/Apache

[WordPress Trac]

#18043: Uploaded images dissapear after loading if using compression w/Apache
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 Reporter:  ctsttom                               |       Owner:
     Type:  defect (bug)                          |      Status:  new
 Priority:  normal                                |   Milestone:  3.6
Component:  Multisite                             |     Version:  3.2.1
 Severity:  major                                 |  Resolution:
 Keywords:  has-patch dev-feedback needs-testing  |
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Comment (by azaozz):

 Media files (images, audio, video) shouldn't be compressed by the server.
 It not only increases server load, but in most cases produces files that
 are slightly larger in size. Best fix here seems to be to disable
 compression for content coming from ms-files.php. Example from Apache's
 [http://httpd.apache.org/docs/2.2/mod/mod_deflate.html mod_deflate]
 config:

 {{{
 <Location />
 # Don't compress images
 SetEnvIfNoCase Request_URI \
 (?:\.gif|\.jpe?g|\.png|ms-files\.php)$ no-gzip dont-vary

 # Make sure proxies don't deliver the wrong content
 Header append Vary User-Agent env=!dont-vary
 </Location>
 }}}

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Ticket URL: <http://core.trac.wordpress.org/ticket/18043#comment:19>
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