-LoadModule deflate_module modules/mod_deflate.so
+# $Id$
+LoadModule deflate_module modules/mod_deflate.so
-SetOutputFilter DEFLATE
+# Safe but working settings - compress only that types:
+AddOutputFilterByType DEFLATE application/javascript application/x-javascript text/javascript
+AddOutputFilterByType DEFLATE application/x-httpd-php
+AddOutputFilterByType DEFLATE application/xhtml+xml
+AddOutputFilterByType DEFLATE image/svg+xml
+AddOutputFilterByType DEFLATE text/css
+AddOutputFilterByType DEFLATE text/html
+AddOutputFilterByType DEFLATE text/plain
+AddOutputFilterByType DEFLATE text/xml
-# Netscape 4.x has some problems...
-BrowserMatch ^Mozilla/4 gzip-only-text/html
+# Compress all and exclude only few things - may cause some problems:
+#SetOutputFilter DEFLATE
-# Netscape 4.06-4.08 have some more problems
-BrowserMatch ^Mozilla/4\.0[678] no-gzip
+<IfModule mod_setenvif.c>
+ # Netscape 4.x has some problems...
+ BrowserMatch ^Mozilla/4 gzip-only-text/html
-# MSIE masquerades as Netscape, but it is fine
-BrowserMatch \bMSIE !no-gzip !gzip-only-text/html
+ # Netscape 4.06-4.08 have some more problems
+ BrowserMatch ^Mozilla/4\.0[678] no-gzip
-SetEnvIfNoCase Request_URI \.(?:gif|jpe?g|png)$ no-gzip dont-vary
-SetEnvIfNoCase Request_URI \.pdf$ no-gzip dont-vary
-SetEnvIfNoCase Request_URI \.(?:exe|t?gz|zip|bz2|sit|rar|iso)$ no-gzip dont-vary
+ # MSIE masquerades as Netscape, but it is fine
+ BrowserMatch \bMSIE !no-gzip !gzip-only-text/html
+ SetEnvIfNoCase Request_URI \.(?:gif|jpe?g|png)$ no-gzip dont-vary
+ SetEnvIfNoCase Request_URI \.pdf$ no-gzip dont-vary
+ SetEnvIfNoCase Request_URI \.(?:exe|t?gz|zip|bz2|sit|rar|iso)$ no-gzip dont-vary
+</IfModule>
+
+<IfModule mod_headers.c>
+ # Make sure proxies don't deliver the wrong content
+ Header append Vary Accept-Encoding env=!dont-vary
+</IfModule>