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c#asp.netmodel-view-controllerlogoutback-button
Precigus
Precigus

Reputation: 1

C# ASP.NET MVC Back button issue after logout

I am working on a logout method for an MVC application and I ran into a problem. Every time I logout, the application checks the user authentication and returns them to the login page.

Logout method:

[HttpGet]
    [CustomAuthorize]
    public ActionResult Logout()
    {            
        //Response.Cache.SetExpires(DateTime.Now);
        FormsAuthentication.SignOut();
        Session.Clear();
        Session.Abandon();
        Session.RemoveAll();
        return RedirectToAction("Index", "Home");
    }

The pages used after loging in all have the [CustomAuthorize] attribute.

Using MS Edge browser, if I click the Back button, the program goes through the CustomAuthorize method and if the user is logged out, it just returns them to the Login page as intended.

However, if I use any other browser (Chrome, Firefox), pressing the Back button just goes back to the previous page where I pressed the Logout button without even going through the CustomAuthorize to check the Authorization.

What could be the cause for this and what could be a possible solution to resolve this issue?

If any more information is needed, just let me know.

Thank you.

Justas

Upvotes: 0

Views: 2310

Answers (1)

Ravi
Ravi

Reputation: 448

you need to disable caching globally

protected void Application_BeginRequest()
    {
        Response.Cache.SetCacheability(HttpCacheability.NoCache);
        Response.Cache.SetExpires(DateTime.UtcNow.AddHours(-1));
        Response.Cache.SetNoStore();
    }

Upvotes: 1

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