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2025-04-05 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Network Security >
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1. Role
Save bandwidth, extra CPU consumption; some older browsers do not support;
compressing resources suitable for compression, such as text files;
2. Related modules
LoadModule deflate_module modules/mod_deflate.so (CentOS6 default enabled)
3. Configuration (httpd-2.2)
~]# vim /etc/httpd/conf.d/mod_deflate.conf
enter the following code
SetOutputFilter DEFLATE#Set compression filter, Indicates which types are suitable for compression # mod_deflate configuration# Restrict compression to these MIME typesAddOutputFilterByType DEFLATE text/plainAddOutputFilterByType DEFLATE text/htmlAddOutputFilterByType DEFLATE application/xmlAddOutputFilterByType DEFLATE text/xmlAddOutputFilterByType DEFLATE application/x-javascriptAddOutputFilterByType DEFLATE text/javascriptAddOutputFilterByType DEFLATE text/css# Level of compression (Highest 9 - Lowest 1)DeflateCompressionLevel 6 #Compression level depends on CPU consumption and bandwidth, 6 is default # Netscape 4.x has some problems... BrowserMatch ^Mozilla/4 gzip-only-text/html# Netscape 4.06-4.08 have some more problemsBrowserMatch ^Mozilla/4\.0[678] no-gzip# MSIE masquerades as Netscape, but it is fineBrowserMatch \bMSIE ! no-gzip ! gzip-only-text/html
~]# httpd -t~]# service httpd reload
4. Confirm the compression effect
configure the front
post-configured
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