How to prevent users to entering into website after logout by pressing back button?

Question

In my asp.net application user login is available. After user logged out and if pressed the back button it goes to the previously visited page. I need to control the user to again login to enter into the website. How to solve this problem. I writing code in vb.

This has been asked a few times before, try to use the search. See for example [ASP.NET authentication login and logout with browser back button](http://stackoverflow.com/questions/2686946/asp-net-authentication-login-and-logout-with-browser-back-button). — CodeCaster, Mar 19 '14 at 12:10

score 0 · Answer 1 · answered Mar 19 '14 at 12:10

0

At log out button_click ,

perform session.Abondon();

and Check the session in each page_Load like

if(session["userName"]!=null)
{
  //Perform the action
}
else
{
  //Redirect to login page
}

answered Mar 19 '14 at 12:10

Revan

1,104
12
27

score 0 · Answer 2 · answered Mar 19 '14 at 12:13

0

Use the following code on logout click

 Session.RemoveAll();
 Session.Abandon();

answered Mar 19 '14 at 12:13

user2978233

55
1
1
6

score 0 · Answer 3 · answered Mar 19 '14 at 12:13

0

add this logout button

Session.Abandon();

answered Mar 19 '14 at 12:13

Nagaraj S

13,316
6
32
53

score 0 · Answer 4 · answered Mar 19 '14 at 12:18

0

You can use this...

<script type = "text/javascript" >
  function preventBack() { window.history.forward(); }
  setTimeout("preventBack()", 0);
  window.onunload = function () { null };
</script>

answered Mar 19 '14 at 12:18

Jameem

1,840
3
15
26

How to prevent users to entering into website after logout by pressing back button?

4 Answers4