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From Ruediger Pluem <rpl...@apache.org>
Subject Re: Wrong etag sent with mod_deflate
Date Sat, 09 Dec 2006 18:57:27 GMT


On 12/09/2006 07:02 PM, Justin Erenkrantz wrote:
> On 12/9/06, Ruediger Pluem <rpluem@apache.org> wrote:
> 
>> Thanks for giving the pointer to ap_meets_conditions. So content
>> compressed
>> by mod_deflate would not stand conditional requests based on ETags any
>> longer.
>> That would be bad. Would it help if we simply unset the ETag in
>> mod_deflate?
>> mod_filter does this in these situations or does this have any other
>> nasty
>> side effects?
> 
> 
> AIUI, many caches do not allow the response to be cached at all if it
> doesn't have an ETag.  This is why it was brought up that not doing

AFAICS this is not the case for mod_cache. As long as at least one of
the following headers is present mod_cache can cache the response if
all other conditions needed are true:

ETag
Last-Modified
Expires

Regards

RĂ¼diger

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