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Apache server

Posted on 2008-06-25
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Last Modified: 2012-06-21
Hello, i am using mod_defalte module for compression at server end and i want to compress only css and js and uncompress rest of files only for browser IE 6.0 and i have used the following code which is not working please find code snippet attached.
LoadModule deflate_module @@APACHE_DIR@@/modules/mod_deflate.so
 
<Location />
                                                                                                                             
AddOutputFilterByType DEFLATE text/plain
AddOutputFilterByType DEFLATE text/xml
AddOutputFilterByType DEFLATE application/xhtml+xml
AddOutputFilterByType DEFLATE text/css
AddOutputFilterByType DEFLATE application/xml
AddOutputFilterByType DEFLATE image/svg+xml
AddOutputFilterByType DEFLATE application/rss+xml
AddOutputFilterByType DEFLATE application/atom_xml
AddOutputFilterByType DEFLATE application/x-javascript
AddOutputFilterByType DEFLATE text/html
 
BrowserMatch \bMSIE/s6\.0 !no-gzip !gzip-only-text/css text/javascript
 
SetOutputFilter DEFLATE
SetEnvIfNoCase Request_URI \.(?:gif|jpe?g|png)$ no-gzip dont-vary
SetEnvIfNoCase Request_URI \.(?:exe|t?gz|zip|bz2|sit|rar)$ no-gzip dont-vary
SetEnvIfNoCase Request_URI \.pdf$ no-gzip dont-vary
SetEnvIfNoCase Request_URI \.avi$ no-gzip dont-vary
SetEnvIfNoCase Request_URI \.mov$ no-gzip dont-vary
SetEnvIfNoCase Request_URI \.mp3$ no-gzip dont-vary
SetEnvIfNoCase Request_URI \.mp4$ no-gzip dont-vary
SetEnvIfNoCase Request_URI \.rm$ no-gzip dont-vary
SetEnvIfNoCase Request_URI \.swf$ no-gzip dont-vary
                                                                                                                             
</Location>

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Question by:kranthi_50404
3 Comments
 

Expert Comment

by:ralphcarey
ID: 21897803
Hi,

This isn't a complete solution and I'm not an expert on Apache but I have been looking at compression over the last couple of days and found that the following lines work. They are less verbose than those you are currently using and so possibly easier to edit to meet your requirements:

##ZIP/DEFLATE/COMPRESS
AddOutputFilterByType DEFLATE text/html text/plain text/xml text/javascript text/css
BrowserMatch ^Mozilla/4 gzip-only-text/html
BrowserMatch ^Mozilla/4\.0[678] no-gzip
BrowserMatch \bMSI[E] !no-gzip !gzip-only-text/html
Header append Vary User-Agent env=!dont-vary
##LOG FOR ZIP/DEFLATE/COMPRESS
DeflateFilterNote deflate_ratio
LogFormat "%v %h %l %u %t \"%r\" %>s %b mod_deflate: %{deflate_ratio}n pct." vhost_with_deflate_info
CustomLog /var/log/deflate_access_log vhost_with_deflate_info

The log lines are useful because they show how much pages are being compressed, but if you do not want to know then omit them.

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Author Comment

by:kranthi_50404
ID: 21903922
well that is fine ... i specifically want to compress only css files for IE 6.0 and rest of the files should be uncompressed and for other browsers it should compress every thing except image file(png, gpeg..exc) and pdf files...the above code doesn't do that...
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Accepted Solution

by:
caterham_www earned 500 total points
ID: 21958078
You may try the following snipped (mod_rewrite required).
LoadModule deflate_module @@APACHE_DIR@@/modules/mod_deflate.so
 
RewriteEngine on
RewriteCond %{HTTP_USER_AGENT} ^Mozilla/4
RewriteCond %{HTTP_USER_AGENT} !MSIE
RewriteRule  ^ - [NS,E=gzip-only-text/html,L]
 
RewriteCond %{HTTP_USER_AGENT} ^Mozilla/4\.0[678]
RewriteCond %{HTTP_USER_AGENT} !MSIE
RewriteRule  ^ - [NS,E=no-gzip,L]
 
RewriteCond %{HTTP_USER_AGENT} MSIE\ 6\.0
RewriteRule !\.(?:css|js)$ - [NS,E=no-gzip,L]
 
<Location />
AddOutputFilterByType DEFLATE text/plain text/xml text/css text/javascript text/html
# Make sure proxies don't deliver the wrong content
Header append Vary User-Agent env=!dont-vary
</Location> 

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