Re: [squid-users] problem with site that is not supposed to be cached

From: Chad Whitten <[email protected]>
Date: Fri, 8 Nov 2002 16:06:35 -0600

on further review, that wouldnt do it because that is the ip of the site that
is not supposed to be proxied and what i was thinking was dont redirect
packets bound for that ip when the syntax is dont redirect packets
originating from that ip which not the ip on my network. i suppose i could
give the dial-up user a static ip and not redirect any of their traffic but
there has got to be a better way.

On Friday 08 November 2002 03:46 pm, you wrote:
> Yep. Something like that ought to do it.
>
> Chad Whitten wrote:
> > guess i would need to setup an access list and then use the
> > ip wccp web-cache redirect-list # for this?
> > does this syntax look okay
> >
> > access-list 102 deny 208.45.156.202
> > access-list 102 permit any any
> >
> > then in wccp config
> > ip wccp web-cache redirect-list 102
> >
> > would that do it?
> >
> > On Friday 08 November 2002 03:14 pm, you wrote:
> > >Are you sure the site is just "not supposed to be cached". Perhaps it
> > >is not supposed to be proxied?
> > >
> > >Sounds kinda like an authentication scheme that cannot be proxied is
> > >being used, and it sounds like you're expecting Squid not to proxy
> > >requests when the no_cache directive is used. Squid can't not proxy a
> > >request once it receives it--it can proxy it, or close the connection.
> > >Whether it caches the request is orthogonal, and clearly not the source
> > >of the problem here.
> > >
> > >Add this site to your WCCP bypass list in your router, or you can bypass
> > >it in the cache if WCCP redirection happens on a different leg than the
> > >Squid box lives on.
> > >
> > >Chad Whitten wrote:
> > >>i am having a problem with a site that is not supposed to be cached.
> > >>i have
> > >>the following in squid.conf
> > >>
> > >>acl AIMCO url_regex ^http://intranet.aimco.com/$
> > >>no_cache deny AIMCO
> > >>
> > >>running squid version Squid Cache: Version 2.4.STABLE7
> > >>on linux - kernel 2.4.19 in transparent mode with wccp version 1 on a
> > >>cisco
> > >>router.
> > >>
> > >>everything works fine for everyone else, just this site is not
> > >>supposed to be
> > >>cached because its an intranet/vpn site. before i addd the no_cache
> > >>directive, the user would just be prompted for password over and over.
> > >> now
> > >>they get past that but get 'page cannot be displayed message from ie'.
> > >>squid
> > >>still seems to be logging a lot of traffic from that site - mostly
> > >>TCP_MISS/401 logs.
> > >>
> > >>any suggestions?

-- 
Chad Whitten
Network/Systems Administrator
neXband Communications
cwhitten@nexband.com
Received on Fri Nov 08 2002 - 15:06:37 MST

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