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clearing browser cache

 
rashmi coorg
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i have a richfaces application. when the user closes the browser and opens the app from history, the app will not be redirected to login page.
how can i achieve this? i think clearing browse cache will help..
i tried setting this:
<meta http-equiv="Pragma" content="no-store">
<meta http-equiv="Cache-Control" content="no-store">
<meta http-equiv="Expires" content="-1">

still doesnot help with firefox

any suggestions..
 
Tim Holloway
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You probably aren't using the J2EE standard security system them. Things like this are why inventing your own security system is a Bad Idea.

The user's browser cache belongs to the user and is managed by the user's browser. Server-side code cannot clear it. And, in fact, server-supplied cache directives are hints and not commands. The browser may or may not honor them.
 
rashmi coorg
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could you post some sample which will help me in implementing it..
 
Tim Holloway
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If you mean sample standard J2EE security, just pick up any basic book on servlets, JSPs, or introductory J2EE. A good way to find what you need in the index is to look for "form-based authentication". Just beware. Far too many of these sort of books also have examples that include a "sample login page" app. Which is how a lot of these problems get started.
 
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