Re: [squid-users] URI suffix remove

Words by Henrik Nordstrom [Sat, Mar 11, 2006 at 12:17:02PM +0100]:
> lör 2006-03-11 klockan 01:29 +0000 skrev Jose Celestino:
> > Had a problem similar to http://www.squid-cache.org/mail-archive/squid-users/200501/0278.html
> > that is: to be able to ignore the suffix of the URI for caching and retrieving
> > purposes.
> >
> > For example imagine you have the following URI request:
> >
> > /mybanners/468x60N/lrec-pink3.swf?clicktag=http%3A//bverv.pt/event/Tffggfdf86%2C93%2C101%2C110%2C150%2C182%2C204%2C2674%2C2675%2C2679%2C3493%2C3671%2C3824%2C3854%2C4228%2C4252%2C6199%2C6363%2C6548%2C6650%2C6701%2C6824%2C6883%2C6884%2C6897%2C6971%2C7308%2C7309%2C73186%2C93%2C101%2C110%2C150%2C182%2C204%2C2674%2C2675%2C2679%2C3493%2C3671%2C3824%2C3854%2C4228%2C4252%2C6199%2C6363%2C6548%2C6650%2C6701%2C6824%2C6883%2C6884%2C6897%2C6971%2C7308%2C7309%2C731
> >
> > In a not uncommon scenario files like these are served by a squid proxy.
>
> Correct.
>
> > And there's, of course, no server side use for that mumbo-jumbo.
>
> Incorrect. It's used for statistical and kickback reasons.. but doing so
> on relatively large shockwave files is plain stupid if you ask me..
>

Not on swf, js, or other client-side processed files. The http server
accelerated by squid does no processing whatsoever, no php, no mod_perl.

> > But you either end not caching it or caching useless, always diferent, objects.
>
> These are normally not cached by Squid thanks to the ?
>

True.

> > The solution would be to discard everything after (and including) the 1st '?'.
>
> very very many sites query parameters are used to select which
> page/image/file etc to display.
>
> The correct approach would be to send the webmasters of sites using such
> links to read http://www.mnot.net/cache_docs/
>
> If you really want to do someting like this then it is best done via the
> redirector interface. You should only do it when you know for 110%
> certain that it is OK, which means a quite detailed ruleset with
> per-site rules and what junk should be stripped away from those URLs.
>

Perhaps you didn't understand that these are our sites, squid is acting
as an accelerator. So we know with 200% certainty what we want to clean.
That's the only scenaria I find this of use.

-- 
Jose Celestino | http://xpto.org/~japc/files/japc-pgpkey.asc
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