IMPORTANT: These rules need to be at the end of the rules.
Squid processes rules from top to bottom, so place any other rules above these ones to prevent these catching specific patterns that should be better processed.
This should be at the end.
# All Files. refresh_pattern -i \.(3gp|7z|ace|asx|bin|deb|divx|dvr-ms|ram|rpm|exe|inc|cab|qt) 10080 80% 10080 override-expire override-lastmod reload-into-ims refresh_pattern -i \.(rar|jar|gz|tgz|bz2|iso|m1v|m2(v|p)|mo(d|v)|arj|lha|lzh|zip|tar|iop|nzp|pak|mar|msp) 10080 80% 10080 override-expire override-lastmod reload-into-ims ignore-reload refresh_pattern -i \.(jp(e?g|e|2)|gif|pn[pg]|bm?|tiff?|ico|swf|dat|ad|txt|dll) 10080 80% 10080 override-expire override-lastmod reload-into-ims refresh_pattern -i \.(avi|ac4|mp(e?g|a|e|1|2|3|4)|mk(a|v)|ms(i|u|p)|og(x|v|a|g)|rm|r(a|p)m|snd|vob|webm) 10080 80% 10080 override-expire override-lastmod reload-into-ims refresh_pattern -i \.(pp(t?x)|s|t)|pdf|rtf|wax|wm(a|v)|wmx|wpl|cb(r|z|t)|xl(s?x)|do(c?x)|flv|x-flv) 10080 80% 10080 override-expire override-lastmod reload-into-ims refresh_pattern . 0 20% 4320