RE: [squid-users] squid3 WindowsUpdate failed

On Sat, 2007-11-17 at 15:30 +0000, Jorge Bastos wrote:

> For now i'm going to leave this as fixed.
> With the debian 3.0.RC1-2, Luigi added the resume patch as I requested and
> it seams to work, I may done the test wrong the other time...
> I'm going to see this for some days and if I notice something I'll warn you.
> I don't know the feedback for other users.

Great. Thanks for posting this update.

If anybody is still having Windows Update problems with a recent Squid3
daily snapshot, please file a bug report.

Thank you,

Alex.

>
>
> -----Original Message-----
> From: Alex Rousskov [mailto:rousskov@measurement-factory.com]
> Sent: ter�a-feira, 6 de Novembro de 2007 15:19
> To: Jorge Bastos
> Cc: squid-users@squid-cache.org
> Subject: RE: [squid-users] squid3 WindowsUpdate failed
>
>
> On Tue, 2007-11-06 at 09:24 +0000, Jorge Bastos wrote:
> > Alex,
> > The only ACL i have in squid.conf is:
> >
> > ---
> > acl all_cache src 0.0.0.0/0.0.0.0
> > no_cache deny all_cache
> > ---
>
> OK, thanks.
>
> > I'm one of the people who's having this problems.
> > Now I'm using 3.0.PRE6 until this is fixed.
>
> Can you help us troubleshoot the problem? Can you run the latest Squid3
> daily snapshot and collect full debugging (debug_options ALL,9) logs
> when Windows Update is malfunctioning?
>
> Thank you,
>
> Alex.
>
> > -----Original Message-----
> > From: Alex Rousskov [mailto:rousskov@measurement-factory.com]
> > Sent: segunda-feira, 5 de Novembro de 2007 16:31
> > To: Amos Jeffries
> > Cc: John Mok; squid-users@squid-cache.org
> > Subject: Re: [squid-users] squid3 WindowsUpdate failed
> >
> > On Sun, 2007-11-04 at 19:30 +1300, Amos Jeffries wrote:
> > > I have just had the opportunity to do WU on a customers box and
> > > managed to reproduce one of the possible WU failures.
> > >
> > > This one was using WinXP, and the old WindowsUpdate (NOT
> > > MicrosoftUpdate, teht remains untested). With squid configured to
> > > permit
> > > client access to:
> > >
> > > # Windows Update / Microsoft Update
> > > #
> > > redir.metaservices.microsoft.com
> > > images.metaservices.microsoft.com
> > > c.microsoft.com
> > > windowsupdate.microsoft.com
> > > #
> > > # WinXP / Win2k
> > > .update.microsoft.com
> > > download.windowsupdate.com
> > > # Win Vista
> > > .download.windowsupdate.com
> > > # Win98
> > > wustat.windows.com
> > > crl.microsoft.com
> > >
> > > AND also CONNECT access to www.update.microsoft.com:443
> > >
> > > PROBLEM:
> > > The client box detects a needed update,
> > > then during the "Download Updates" phase it says "...failed!" and
> > > stops.
> > >
> > > CAUSE:
> > >
> > > This was caused by a bug in squid reading the ACL:
> > > download.windowsupdate.com
> > > ...
> > > .download.windowsupdate.com
> > >
> > > - squid would detect that download.windowsupdate.com was a
> > > subdomain
> > > of .download.windowsupdate.com and .download.windowsupdate.com would
> > > be
> > > culled off the ACL as unneeded.
> > >
> > > - That culled bit held the wildcard letting v4.download.* and
> > > www.download.* be retrieved later in the process.
> > >
> > > - BUT, specifying JUST .download.windowsupdate.com would cause
> > > download.windowsupdate.com/fubar to FAIL under the same circumstances.
> > >
> > > during the WU process requests for application at
> > > www.download.windowsupdate.com/fubar and K/Q updates at
> > > v(3|4|5).download.windowsupdate.com/fubar2
> > > would result in a 403 and thus the FAIL.
> > >
> > >
> > > SOLUTION:
> > > Changing the wildcard match to an explicit for fixes this and WU
> > > succeeds again.
> > > OR,
> > > Changing the wildcard to .windowsupdate.com also fixes the problem
> > > for this test.
> >
> > Can other folks experiencing Windows Update troubles with Squid3 confirm
> > that their setup does not have the same ACL problem?
> >
> > In general, if we do not find a way to get more information about the
> > Windows Update problem, we would have to assume it does not exist in
> > most environments and release Squid3 STABLE "as is". If you want the
> > problem fixed before the stable Squid3 release, please help us reproduce
> > or debug the problem.
> >
> > Thank you,
> >
> > Alex.
> >
> >
>
>
Received on Mon Nov 26 2007 - 09:59:05 MST