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Re: [codesprints] Who knows about web browser caching?

Julian Reschke <julian.reschke@gmx.de> Sun, 07 November 2010 10:40 UTC

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Date: Sun, 07 Nov 2010 11:40:23 +0100
From: Julian Reschke <julian.reschke@gmx.de>
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To: Bill Fenner <fenner@fenron.net>
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Subject: Re: [codesprints] Who knows about web browser caching?
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On 07.11.2010 11:17, Bill Fenner wrote:
> On Nov 7, 2010, at 4:47 PM, Julian Reschke<julian.reschke@gmx.de>  wrote:
>
>> Bill,
>>
>> you may want to test with redbot, see
>>
>> <http://redbot.org/?uri=http://merlot.tools.ietf.org:31415/doc/draft-ietf-ipsecme-ikev2-redirect/history/>
>>
>> Also...
>>>
>>> I realize that the fact that the Etag varies here is going to be a
>>> problem (it's because the Etag is calculated after the gzip), but this
>>> is a separate problem.
>>>
>>
>> ...the etag is *supposed* to be different across varying content-encodings...
>
> Yes, of course, but in this case it varies with the same encoding (because we are just using an md5 of the returned data, and the metadata in the gzip header is varying, even though the page contents are the same).
>
> Thanks for the redbot pointer!

Um, if the payload changes the (strong) etag needs to change as well, right?

So *why* is the metadata in the gzip header changing?

Best regards, Julian

(greetings to Bejing!)

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