hi, i am not sure if squid is required to not cache sites without suitable headers (lastmod, expires,...). does anybody know? it seems as if for such objects the refresh-patterns are NOT used in squid.conf. is this right?
thx in advance, alp ----- Original Message ----- From: "SSCR Internet Admin" <[EMAIL PROTECTED]> To: "alp" <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Friday, February 14, 2003 1:11 AM Subject: RE: [squid-users] question concerning php-sites and caching -still some questions > some sites dont want their pages to cached, so i guess squid will eventually > reload pages. > > -----Original Message----- > From: alp [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, February 12, 2003 11:01 PM > Cc: [EMAIL PROTECTED] > Subject: Re: [squid-users] question concerning php-sites and caching > -still some questions > > > thanks marc, > > i knowed this page already, it's a really nice one. > but my problem is: does squid never caches an object without validation > headers (expires, max-age, lastmod,...)? > if i have a refresh-pattern like > refresh_pattern . 0 20% 5 > such an object should retain at most 5 minutes in cache, shouldn't it? > or is refresh_pattern only used if an object has validation headers? > > thx in advance, > alp > > ----- Original Message ----- > From: "Marc Elsen" <[EMAIL PROTECTED]> > To: "alp" <[EMAIL PROTECTED]> > Cc: <[EMAIL PROTECTED]> > Sent: Wednesday, February 12, 2003 5:05 PM > Subject: Re: [squid-users] question concerning php-sites and caching > > > > > > > > alp wrote: > > > > > > hi, > > > i have on my webserver a simple php site which i query via squid 2.5. > > > this works (of course) and i see that no last_modified or expiry-header > is > > > replied, which is correct for dynamic sites, too, as far as i know > > > i have no cache_deny for php-sites and only the usual refresh_patterns > of > > > default squid.conf. > > > > > > squid does not cache this php side (also ok), but my question is: why? > > > is it hardcoded into squid not to cache php-sites, or is the missing of > > > expiry and last_mod headers the reason for this? > > > > Most probably, you may,for instance check objects (urls) > > with : > > > > http://www.ircache.net/cgi-bin/cacheability.py > > > > M. > > > > > > > > thx in advance, > > > alp > > > > -- > > > > 'Time is a consequence of Matter thus > > General Relativity is a direct consequence of QM > > (M.E. Mar 2002) > > > --- > Incoming mail is certified Virus Free. > Checked by AVG anti-virus system (http://www.grisoft.com). > Version: 6.0.449 / Virus Database: 251 - Release Date: 1/27/2003 > > --- > Outgoing mail is certified Virus Free. > Checked by AVG anti-virus system (http://www.grisoft.com). > Version: 6.0.449 / Virus Database: 251 - Release Date: 1/27/2003 >
