Telling a cache not to cache

From: Miguel A.L. Paraz <>
Date: Sat, 15 Feb 1997 16:08:31 -0800 (GMT+8)


Kai Bartels wrote:
> The other way around: is there a method in HTTP (I must admit I'm not
> familiar with the protocol) for the web-server to declare that an
> object should not be cached?

Yes. Try putting these in the request header:

Expires: now

(where 'now' is the current server date, equivalent to the Date: header)

Cache-Control: private

> And do caches adhere to that command if it exitst?

Squid does, at least - I haven't really used anything else, except for
CERN long ago. :)

miguel a.l. paraz  <>              |  pgp key id: 0x43F0D011
iphil communications, makati city, philippines  |  <> 
Received on Sat Feb 15 1997 - 00:37:37 MST

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