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  1.  Home
  2. WEB400
  3. January 2006

Re: Prevent Brower From Going Back To Credit Card Page

They are *NOT* HTML headers, they are HTTP headers. You need to send
them before you write any HTML out.

Matt 

-----Original Message-----
From: web400-bounces@xxxxxxxxxxxx [mailto:web400-bounces@xxxxxxxxxxxx]
On Behalf Of Joe Giusto II
Sent: Wednesday, January 25, 2006 5:45 PM
To: Web Enabling the AS400 / iSeries
Subject: Re: [WEB400] Prevent Brower From Going Back To Credit Card Page

Do these go before the <HEAD> tag?

----- Original Message ----- 
From: <Matt.Haas@xxxxxxxxxxx>
To: <web400@xxxxxxxxxxxx>
Sent: Wednesday, January 25, 2006 4:49 PM
Subject: Re: [WEB400] Prevent Brower From Going Back To Credit Card Page


<SNIP>
Another thing you can do (you should actually do this anyway since you
don't want transactional data cached) is make sure that you're doing a
POST and write out the expire HTTP headers (these go after the
Content-Type header):

Cache-Control: no-cache
Pragma: no-cache
Expires: 0

When a person hits the back button, they'll get an error about expired
data.

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