On Wed, 25 Aug 1999, Steven J. Owens wrote:
[ ... ]
> I've tried using response.setHeader() to set Expires,
> Pragma/no-cache, Cache-Control/no-store, both on the page containing
> the form and on the generated page. Neither seems to have any
> effect. Here's the specific code, pasted from my source:
>
> response.setHeader("Pragma", "no-cache");
> response.setHeader("Cache-Control", "no-store");
> response.setHeader("Expires", "Wednesday, 29-Dec-1995 00:00:00 GMT");
[ ... ]
By my understanding of the format required of the date in the Expires
header, this is not in the right format. Here's what I use:
resp.setHeader("Expires", "Mon, 01 Jan 1990 06:00:01 GMT");
It has to use that format for all the components of the date, and it
has to use GMT. You don't have to use that specific date :-).
I use this and the Pragma and Cache-Control headers as you have above,
and it works for me (in my limited testing) to prevent caching.
Milt Epstein
Research Programmer
Software/Systems Development Group
Computing and Communications Services Office (CCSO)
University of Illinois at Urbana-Champaign (UIUC)
[EMAIL PROTECTED]
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