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Editorial Team
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Asked: 2026-05-13T07:06:57+00:00

I am developing an asp.net web site and I am not using inbuilt authentication

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I am developing an asp.net web site and I am not using inbuilt authentication controls of asp.net. I have created manually tables for users for site.

What I want is as follows

  • After logging in user can access the pages (that is already done)
  • When user press sign out (user goes to specific page – example – default.aspx)
  • Now when user press “back” button of browser, it must not go to previous page (that is done in Yahoo pages – I want to implement the same)
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1 Answer

  1. Editorial Team

    To prevent users from seeing the previous page when pressing the back button you need to instruct the browser not to cache this page:

    Response.Cache.SetExpires(DateTime.UtcNow.AddDays(-1));
Response.Cache.SetValidUntilExpires(false);
Response.Cache.SetRevalidation(HttpCacheRevalidation.AllCaches);
Response.Cache.SetCacheability(HttpCacheability.NoCache);
Response.Cache.SetNoStore();

    You could put this code in all authenticated pages, thus preventing them from being cached on client browsers.

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