[thelist] Prevent Caching in IE
Bill Moseley
moseley at hank.org
Mon May 5 19:46:04 CDT 2008
On Tue, May 06, 2008 at 10:38:44AM +1000, Ken Schaefer wrote:
> Cache-Control: no-cache should be enough to get browsers to stop caching content.
It should be, but IE was still returning a previous page even with
that header. Maybe it was the post- or pre-check breaking things, not
sure.
> An invalid Expires header value (e.g. -1) is interpreted to be
> "expires immediately", which is why using an invalid value like -1
> causes the page to expire (and IE to get a new copy)
So, it's OK to use -1 in the Expires header? I didn't see in the http
spec that was allowed.
Thanks,
--
Bill Moseley
moseley at hank.org
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