Caching and sizes, the explosion of responise codes (was Re: Caching and status codes)

John Cowan cowan at ccil.org
Mon Nov 9 20:53:36 GMT 2020


On Sun, Nov 8, 2020 at 12:52 AM Zach DeCook <zachdecook at librem.one> wrote:


> A "please don't cache" response code would be (ab)used by servers who
> desire to track their users.
>

I don't understand your reasoning there.  What does a server learn by
sending a 21 YOU CAN CACHE  or 22 YOU SHOULD NOT CACHE response back
instead of a plain 20 response?  (I'm not a security expert and I know
there are loopholes I don't see.)



John Cowan          http://vrici.lojban.org/~cowan        cowan at ccil.org
So they play that [tune] on their fascist banjos, eh?
        --Great-Souled Sam
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