Someone

refresh_pattern -i \.(avi|bin|bmp|cab|deb|doc|exe|flv|gif|gz|hqx|ico|iso|jpeg|jpg|lha|lzh|mid|midi|mov|movie|mp2|mp3|mp4|mpe|mpeg|mpg|mpga|png|ppt|ra|ram|rar|rpm|sfx|snd|swf|tar|tgz|thb|tif|tiff|wav|xbm|x-flv|Z|zip)$ 4320 9999999% 10080 override-expire ignore-no-cache  ignore-private ignore-no-cache ignore-private ignore-auth reload-into-ims

refresh_pattern -i \.index.(html|htm)$ 0 9999999% 10080 reload-into-ims
refresh_pattern -i \.(html|htm|css|js)$ 1440 9999999% 40320 reload-into-ims 
refresh_pattern -i . 0 9999999% 40320 reload-into-ims