[Zope] Proxy......

alex alex@quad.com.ar
Fri, 23 Nov 2001 00:10:03 -0300


> Hi All,
> I know most of you can help me...
>
> How do we prevent a page to be cached by a proxy or whatever?
>
>
> I know It doesn't matter what language... I think you can set it inthe
> header right?
>
> I'm afraid my colleague will have to use it for (yuck) asp(yuck) but could
> you please help us?

you have to set 2 headers:
Expires: -1
Cache-Control: No-Cache

in zope you set them with
RESPONSE.setHeader('Expires','-1')
RESPONSE.setHeader('Cache-Control','No-Cache')

one tells proxies not to cache the other one tells browsers not to cache.