Security :: Remove The Cache Of A Page After The User Signs Out

Jan 21, 2011

I have an ASP.NET website in which the user has the Login/Logout functionality. There are some pages which are viewable only if the user is logged in. Now, after the user signs out, I noticed that the user is still able to see this restricted page on pressing the back button. I want to create the functionality such that once the user signs out, the page should not be viewable. How can that be done?

P.S I am not using built in Login controls in ASP.NET

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