[ale] Page Expiration

[Geoffrey]

Kevin O'Neill Stoll wrote:
> If a user clicks the back button in a browser I need for
> the previous page to come up expired. I have noticed that
> some financial institutions do this, such as Wachovia or
> BOA. 
> 
> I have done some research on how to do this but maybe I'm
> just looking for the wrong thing. I haven't found what I
> think I'm looking for.

You can set the page not to cache and expire it, but I've seen this not 
always work.  Another option is to use a cookie.  Set the cookie when 
you open the first page, then if the user attempts to return to the 
page, check the cookie, if it exists, put up an expire message.

-- 
Until later, Geoffrey                     Registered Linux User #108567
Building secure systems in spite of Microsoft