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[nycphp-talk] back button, page timeout, sessions

Chris Shiflett shiflett at php.net
Fri Jan 30 12:34:07 EST 2004


--- Chris Hubbard <chubbard at next-online.net> wrote:
> What are strategies you've implemented to eliminate the "this page has 
> expired" that commonly gets displayed after a user clicks the back
> button?

You can try:

1. Intermediate processing page that uses a protocol-level redirect, so
that POST data is only ever sent to this intermeiate page.
2. Cache-Control: private
3. Someone else's suggestions. :-)

Chris

=====
Chris Shiflett - http://shiflett.org/

PHP Security Handbook
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