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From Axel-St├ęphane SMORGRAV <Axel-Stephane.SMORG...@europe.adp.com>
Subject RE: [users@httpd] Apache 2.0: mod_cache: "Cache-Control: no-cache" not preventing content from being served from cache
Date Fri, 29 Jul 2005 07:43:22 GMT
I would love to get some time to test Apache 2.1. Unfortunately we already have our share of
problems with the stability of Apache 2.0. By stability I do not mean that the software does
not work or crashes, but that there are so many changes from one Apache release to another
(especially with mod_cache which is experimental) that we spend a significant amount of time
testing, patching and retesting for every internal release we make. 

We are also using third-party modules that currently do not support Apache 2.1.

Do you know whether the 2.1 mod_cache is compatible with Apache 2.0 ?

-ascs

-----Original Message-----
From: Joshua Slive [mailto:jslive@gmail.com] 
Sent: Friday, July 29, 2005 5:13 AM
To: users@httpd.apache.org
Subject: Re: [users@httpd] Apache 2.0: mod_cache: "Cache-Control: no-cache" not preventing
content from being served from cache

On 7/28/05, Axel-St├ęphane  SMORGRAV
<Axel-Stephane.SMORGRAV@europe.adp.com> wrote:
> As far as I have understood RFC2616 14.9.1 and 14.9.2, no-cache is supposed to prevent
content from being served from cache without revalidation, and no-store forbids storing content
altogether.
> 
> Tests I made with Apache 2.0.49 and 2.0.54 show that Apache gladly serves contents containing
"Cache-Control: no-cache" in the response header, from cache without revalidation. On the
other hand, if the response contains "Cache-Control: no-store", the response is not cached.
> 
> I submit that the CACHE_OUT filter should not be run if the cached headers contain "Cache-Control:
no-cache".
> 
> Any thoughts?

Don't know about that specific issues, but you should try httpd 2.1 where mod_cache has been
vastly improved.

Joshua.

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