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From Ruediger Pluem <rpl...@apache.org>
Subject Re: Mod_cache expires check
Date Thu, 18 Jan 2007 17:12:04 GMT


On 01/18/2007 12:49 PM, Henrik Nordstrom wrote:
> tor 2007-01-18 klockan 12:05 +0100 skrev Plüm, Rüdiger, VF EITO:

> 
> Any valid date which can be represented in the textual form is a valid
> Expires header. And any Expires header you can not understand for
> whatever reason is "already expired in the past".
> 
> To solve this there is Cache-Control max-age which is not sensitive to
> the limits of your internal time representation, and which overrides
> Expires if present.

Just trying to clarify:
So if we have
(an Expires header in the past *OR* a broken Expires header) *AND*
(a max-age > 0  *AND* a s-max-age not present ) *OR*
(a s-max-age > 0 *AND* (max-age >= 0 *OR* max-age not present)))

we should cache it (provided nothing else
in Cache-Control does restrict that)?



Regards

Rüdiger

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