I haven't pushed too hard on this ... but I find that
> Cache-Control: no-cache
doesn't seem to behave correctly on IE5.
I'm sending down PDFs. Pragma: no-cache, works, but when I add in
Cache-Control: no-cache
IE5 wants to download the file rather than display it.
Like I said, I haven't looked too deeply into this, but it is something to
look at.
Thor HW
----- Original Message -----
From: Marc Hedlund <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, September 10, 1999 10:05 AM
Subject: Re: How to get the latest page from a site ...
> At 09:50 AM 9/10/99 -0700, Benedict Chng wrote:
> >Do you mean setting it on the browser? I'm afraid I can't control how the
> >user customize their browser. Can you elaborate?
>
> You can set headers on the response your servlet sends to the browser to
> control whether or not that response will be cached. Sam mentioned the
header
>
> Pragma: no-cache
>
> which is the HTTP/1.0 way of saying "Don't cache this response -- come
back
> to the server and get a new copy every time the user requests it." In
> HTTP/1.1, Pragma is deprecated and the way to say this is
>
> Cache-Control: no-cache
>
> To make sure HTTP/1.0 and HTTP/1.1 caches both do the right thing, the
> HTTP/1.1 spec recommends that you set both headers, as follows:
>
> Pragma: no-cache
> Cache-Control: no-cache
>
> Set these headers from your servlet or JSP to get the control you want.
> You may also be interested in the other values of the Cache-Control
header;
> see section 14.9 of the HTTP/1.1 spec, available at
> <http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9>, and the
> general cache section, at
> <http://www.w3.org/Protocols/rfc2616/rfc2616-sec13.html#sec13>.
>
> Hope this helps.
>
> Marc Hedlund <[EMAIL PROTECTED]>
> Director of Web Applications
> BEA WebXpress <http://weblogic.beasys.com/>
>
>
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