增加緩存，增加緩存模塊
/usr/local/apache/bin/apxs -i -a -c /usr/local/src/httpd-2.2.31/modules/metadata/mod_expires.c
配置/usr/local/apache/conf/httpd.conf
增加一(yī)行
<IfModule mod_expires.c>
ExpiresActive on
ExpiresDefault A600
ExpiresByType image/x-icon A2592000
ExpiresByType application/x-javascript A2592000
ExpiresByType image/gif A2592000
ExpiresByType image/jpeg A2592000
ExpiresByType text/css A2592000
ExpiresByType image/jpg A2592000
ExpiresByType image/png A2592000
ExpiresByType text/html A600
</IfModule>
增加
ServerTokens Prod
ServerSignature off
TraceEnable off
HostnameLookups Off
EnableSendfile On
