para q?

[marwill]

para q estas lineas en el squid conf?
refresh_pattern -i \.swf$ 86400 80% 43200 reload-into-ims
refresh_pattern -i \.html$ 10 20% 4320 reload-into-ims
refresh_pattern -i \.htm$ 10 20% 4320 reload-into-ims
refresh_pattern -i \.shtml$ 10 20% 4320 reload-into-ims
refresh_pattern -i \.shtm$ 10 20% 4320 reload-into-ims
refresh_pattern -i \.nub$ 2880 80% 21600 reload-into-ims
refresh_pattern -i \.exe$ 86400 80% 43200
refresh_pattern -i \.zip$ 86400 80% 43200
refresh_pattern -i \.mov$ 86400 80% 43200
refresh_pattern -i \.mpe?g?$ 86400 80% 43200
refresh_pattern -i \.avi$ 86400 80% 43200
refresh_pattern -i \.qtm?$ 86400 80% 43200
refresh_pattern -i \.viv$ 86400 80% 43200
refresh_pattern -i \.wav$ 86400 80% 43200
refresh_pattern -i \.aiff?$ 86400 80% 43200
refresh_pattern -i \.au$ 86400 80% 43200
refresh_pattern -i \.ram?$ 86400 80% 43200
refresh_pattern -i \.snd$ 86400 80% 43200
refresh_pattern -i \.mid$ 86400 80% 43200
refresh_pattern -i \.mp2$ 86400 80% 43200
refresh_pattern -i \.mp3$ 86400 80% 43200
refresh_pattern -i \.sit$ 86400 80% 43200
refresh_pattern -i \.zip$ 86400 80% 43200
refresh_pattern -i \.hqx$ 86400 80% 43200
refresh_pattern -i \.arj$ 86400 80% 43200
refresh_pattern -i \.lzh$ 86400 80% 43200
refresh_pattern -i \.lha$ 86400 80% 43200
refresh_pattern -i \.cab$ 86400 80% 43200
refresh_pattern -i \.rar$ 86400 80% 43200
refresh_pattern -i \.tar$ 86400 80% 43200
refresh_pattern -i \.gz$ 86400 80% 43200
refresh_pattern -i \.z$ 86400 80% 43200
refresh_pattern -i \.a[0-9][0-9]$ 86400 80% 43200
refresh_pattern -i \.r[0-9][0-9]$ 86400 80% 43200
refresh_pattern -i \.txt$ 86400 80% 43200
refresh_pattern -i \.pdf$ 86400 80% 43200
refresh_pattern -i \.doc$ 86400 80% 43200
refresh_pattern -i \.rtf$ 86400 80% 43200
refresh_pattern -i \.tex$ 86400 80% 43200
refresh_pattern -i \.latex$ 86400 80% 43200
refresh_pattern -i \.class$ 86400 80% 43200
refresh_pattern -i \.js$ 86400 80% 43200
refresh_pattern -i \.ico$ 86400 80% 43200
refresh_pattern -i \.css$ 10 20% 4320

[firecold]

para q estas lineas en el squid conf?
refresh_pattern -i \.swf$ 86400 80% 43200 reload-into-ims
refresh_pattern -i \.html$ 10 20% 4320 reload-into-ims
refresh_pattern -i \.htm$ 10 20% 4320 reload-into-ims
refresh_pattern -i \.shtml$ 10 20% 4320 reload-into-ims
refresh_pattern -i \.shtm$ 10 20% 4320 reload-into-ims
refresh_pattern -i \.nub$ 2880 80% 21600 reload-into-ims
refresh_pattern -i \.exe$ 86400 80% 43200
refresh_pattern -i \.zip$ 86400 80% 43200
refresh_pattern -i \.mov$ 86400 80% 43200
refresh_pattern -i \.mpe?g?$ 86400 80% 43200
refresh_pattern -i \.avi$ 86400 80% 43200
refresh_pattern -i \.qtm?$ 86400 80% 43200
refresh_pattern -i \.viv$ 86400 80% 43200
refresh_pattern -i \.wav$ 86400 80% 43200
refresh_pattern -i \.aiff?$ 86400 80% 43200
refresh_pattern -i \.au$ 86400 80% 43200
refresh_pattern -i \.ram?$ 86400 80% 43200
refresh_pattern -i \.snd$ 86400 80% 43200
refresh_pattern -i \.mid$ 86400 80% 43200
refresh_pattern -i \.mp2$ 86400 80% 43200
refresh_pattern -i \.mp3$ 86400 80% 43200
refresh_pattern -i \.sit$ 86400 80% 43200
refresh_pattern -i \.zip$ 86400 80% 43200
refresh_pattern -i \.hqx$ 86400 80% 43200
refresh_pattern -i \.arj$ 86400 80% 43200
refresh_pattern -i \.lzh$ 86400 80% 43200
refresh_pattern -i \.lha$ 86400 80% 43200
refresh_pattern -i \.cab$ 86400 80% 43200
refresh_pattern -i \.rar$ 86400 80% 43200
refresh_pattern -i \.tar$ 86400 80% 43200
refresh_pattern -i \.gz$ 86400 80% 43200
refresh_pattern -i \.z$ 86400 80% 43200
refresh_pattern -i \.a[0-9][0-9]$ 86400 80% 43200
refresh_pattern -i \.r[0-9][0-9]$ 86400 80% 43200
refresh_pattern -i \.txt$ 86400 80% 43200
refresh_pattern -i \.pdf$ 86400 80% 43200
refresh_pattern -i \.doc$ 86400 80% 43200
refresh_pattern -i \.rtf$ 86400 80% 43200
refresh_pattern -i \.tex$ 86400 80% 43200
refresh_pattern -i \.latex$ 86400 80% 43200
refresh_pattern -i \.class$ 86400 80% 43200
refresh_pattern -i \.js$ 86400 80% 43200
refresh_pattern -i \.ico$ 86400 80% 43200
refresh_pattern -i \.css$ 10 20% 4320

Para que se de una idea general para que sirven y porque son tan importantes, puede leerlo aqui: http://www.josedomingo.org/pledin/2013/02/gestionando-la-cache-de-squid-parte-2/, esta sera informacion muy util y claro esta en cristiano, para que usted y yo lo entendamos, Saludos