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From Brian Davison <davi...@cs.rutgers.edu>
Subject mod_proxy/7986: Apache will sometimes return a cached copy of an uncacheable object.
Date Thu, 05 Jul 2001 23:56:19 GMT

>Number:         7986
>Category:       mod_proxy
>Synopsis:       Apache will sometimes return a cached copy of an uncacheable object.
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    apache
>State:          open
>Class:          sw-bug
>Submitter-Id:   apache
>Arrival-Date:   Thu Jul 05 17:00:01 PDT 2001
>Originator:     davison@cs.rutgers.edu
>Release:        1.3.14
RedHat 7 -- Linux miss.rutgers.edu 2.2.16-22 #1 Tue Aug 22 16:49:06 EDT 2000 i686 unknown
Standard install of apache-1.3.14-3.i386.rpm
A description with examples, sample code can be found at:


I'm not sure of the severity of this bug, except probably for high-volume reverse proxy caching
with uncacheable resources.
Multiple connections need to request the same file (probably at very close to the same time).

Haven't yet looked into the code.  
My wild guess is that apache allows the serving of objects in memory before they have been
checked for cacheability.
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