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Re: Cache-Control: no-cache

From: Joerg Mueller-Tolk <curl_at_mueller-tolk.de>
Date: Mon, 20 Oct 2003 10:22:45 +0200

Jerry G. Chiuan wrote:

>So, the purpose of not only using "Pragma: no-cache" but also
>"Cache-control: no-cache" is in case certain proxy/server is not *100%*
>HTTP/1.1 compliant.
>
>Therefore, they only recognize "Cache-control: no-cache", but "Pragma:
>no-cache"?
>If that was the case, sound pretty wierd since they don't obey
>backward-compatibility #$%@&...
>
If a proxy does not support "Pragma: no-cache" it has to ignore it.
If a proxy does not support "Cache-control: no-cache" it has to ignore
it as well.
That's a principle of HTTP. So double effort couldn't do any harm (IMHO)?!

Joerg M-T

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Received on 2003-10-20