Browser close

Hi Experts,

I am facing interesting phenomena when I have login page [.net aspx] and user logs into system.
Then user closes the whole browser window [not just one or two tabs]
Then user opens browser again and you can see you page again as you are logged in and never left it.

I am not using caching although I do use authenticated cookie.

My question is how to avoid if window been closed and opened to treat user as logged in ?

I have some code on unload and before unload as well clearing all cookies ans session data.

How its possible ?

Who is Participating?
Fernando SotoRetiredCommented:
Hi fpoyavo;

Please have a look at the article below.

CodeSnip: Handle Browser Close Event on the Server-Side
Dave BaldwinFixer of ProblemsCommented:
If the user has set their browser to open the last page (or pages) from the previous browser session, that is probably coming from the browser cache and not your server.  Session cookies should expire when the browser and ALL of it's windows are closed.  If even one window is left open, the session cookies do not expire.  

'on unload' and 'before unload' can not be counted on.  If the power goes out, you are likely to see the same phenomena.
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