asp dot net security

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I have design a small project in c# dot net. There are many pages in the project.In a Login.aspx Page there is a LOGIN button. After successful login, redirected to TaskIndex.aspx Page. The TaskIndex.aspx page contains SIGNOUT button. I want that, after sign out , redirected to Login.aspx page. Upto this is alright, but when i click on BACK bytton On Browser or FORWARD button on the Browser, it will redirected automatically to previous as well as next page . this is my problem. I want to protect it. How it is possible? Please Help Me? waiting.............? for answer.

please Help me again.

Posted 31-Jul-11 4:37am

Joydev Maity

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OriginalGriff · Answer 1 · 2011-07-31T04:59:00

Solution 1

Have you tried FormsAuthentication.SignOut[^] - if you have used proper authentication procedures, it should work.

Posted 31-Jul-11 4:59am

OriginalGriff

Comments

Monjurul Habib 31-Jul-11 11:06am

nice link my 5.

Monjurul Habib · Answer 2 · 2011-07-31T05:06:00

Solution 2

http://www.asp.net/security/tutorials/an-overview-of-forms-authentication-vb[^]

Posted 31-Jul-11 5:06am

Monjurul Habib

uspatel · Answer 3 · 2011-07-31T19:10:00

Solution 3

if you sign out by Session.Abandon(); then you can try this code on page load of
TaskIndex.aspx page.

C#

protected void Page_Load(object sender, EventArgs e)
    {
       if(Session["userid"]==null)
 
{
   Responce.Redirect("Login.aspx");
}
        
    }

Posted 31-Jul-11 19:10pm

uspatel

Asish Limbu · Answer 4 · 2011-07-31T19:19:00

Solution 4

Try http://www.dotnetfunda.com/articles/article141.aspx[^]. Surely it will help you.

Posted 31-Jul-11 19:19pm

Asish Limbu

S Saxena · Answer 5 · 2011-07-31T19:31:00

Solution 5

I think on SIGN OUT u are redirecting the page to login page using Response.Redirect u are not closing the session. thats y on back button u got the TaskIndex Page.

Try FormAuthentication.SignOut();
Session.Abandon();

Regards,

Sanket

Posted 31-Jul-11 19:31pm

S Saxena