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From Ruediger Pluem <rpl...@apache.org>
Subject Re: Cacheability and s-maxage
Date Thu, 08 Oct 2009 20:06:25 GMT


On 10/08/2009 08:59 PM, Dan Poirier wrote:
> I believe a couple of changes are needed in mod_cache to correctly
> consider s-maxage in responses.  I'd like to get the list's opinion
> about it.
> 
> First, currently if a GET or HEAD request with a query in the URI has a
> response with Cache-control: s-maxage=NN, that response is not cached.
>>>From RFC 2616 13.9, 2nd paragraph, s-maxage specifies an explicit
> expiration and so the response should be cached despite the query in the
> URI.
> 
> Second, currently a successful response with no Last-Modified, Etag, or
> Expires headers is not cached.  If it has Cache-control: max-age or
> Cache-control: s-maxage, that specifies an expiration, and per RFC
> 2616 13.4 we would expect it to be cached.
> 
> I'm attaching a trunk patch that would implement these changes.
> 

Sound reasonable and looks fine (I mean the patch in the second mail of course :-))

Regards

RĂ¼diger

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