RewriteEngine on # 1 YEAR Header set Cache-Control "max-age=29030400, public" # 1 WEEK Header set Cache-Control "max-age=604800, public" # 3 HOUR Header set Cache-Control "max-age=10800" # NEVER CACHE Header set Cache-Control "max-age=0, private, no-store, no-cache, must-revalidate" RewriteCond %{HTTP_REFERER} !^http://img.zzbaike.com/.*$ [NC] RewriteCond %{HTTP_REFERER} !^http://img.zzbaike.com$ [NC] RewriteCond %{HTTP_REFERER} !^http://www.img.zzbaike.com/.*$ [NC] RewriteCond %{HTTP_REFERER} !^http://www.img.zzbaike.com$ [NC] RewriteCond %{HTTP_REFERER} !^https://img.zzbaike.com/.*$ [NC] RewriteCond %{HTTP_REFERER} !^https://img.zzbaike.com$ [NC] RewriteCond %{HTTP_REFERER} !^https://www.img.zzbaike.com/.*$ [NC] RewriteCond %{HTTP_REFERER} !^https://www.img.zzbaike.com$ [NC] RewriteCond %{HTTP_REFERER} !^http://www.zzbaike.com/.*$ [NC] RewriteCond %{HTTP_REFERER} !^http://www.zzbaike.com$ [NC] RewriteRule .*\.(jpg|jpeg|gif|png|bmp)$ - [F,NC]