Security :: Valid Session Isn't Created On Re-logging In After Session Timeout
Feb 3, 2011
I created a user control for my web application that checks for Session Timeout. If the criteria are met for Timeout, I use Response.Redirect to send the user back to the login page. I include this user control in my Master page, and run the SessionTimeoutcode in the user control's Page_Init event. That all works great. However, once the user logs in again after time-out (and I have verified that the OnLoggedIn event does fire) the user is redirected to the DestinationPageUrl. That page runs the Session Timeout check when it loads (as it should) and the Session Timeout code "says" that the session is still timed-out.
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Mar 9, 2011
I wanna write a method to get or set session timeout at run time.
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Nov 10, 2010
I have a website built in ASP.net 3.5, using WinForms and AjaxToolKit. I have encountered a lost/corrupt session issue while using Internet Explorer 8.
Scenerio:
1 IE8 Browser Open, 1 Tab
--------------------------------------
1. Login, Redirect to Landing, Logout - WORKS AS EXPECTED
2. Login, redirect to Landing, Close Window, Open Window, Logged-in already - WORKS AS EXPECTED (remember me enabled by default in code)
1 IE8 Browser, 2 Tabs
--------------------------------------
1. Login, Redirect to Landing, Open new tab, paste Landing page URL, Landing renders. - WORKS AS EXPECTED
- Logout from Tab 2, Tab 1 logs out after AJAX update. - WORKS AS EXPECTED
- Login from Tab 1, Redirects to Landing, then Redirects back to Login page - ISSUE
[code]...
2. Close Window,Login,Redirect to Landing - WORKS AS EXPECTED
2 IE8 Browser, 1 Tab
--------------------------------------
1. Open 2 IE windows
2. In Window 1, Login, Redirect to Landing, then Redirects back to Login. - ISSUE
- Window 2 Paste Landing page URL, Landing page renders - ISSUE, STRANGLY NOW WORKS
[code]...
This issue seems to only happen when I have multiple tabs open,or multiple rwssers open.Firefox and Chrome does not reproduce this issue and works as expected.How do I make sure the Cookie/Session is being handle correctly in IE8?
Here is my Login Auth:
[Code]...
Web.Config
[Code]...
Server 2008r2
Seesion State:
Cooke Settings: Mode: Use Cookies;
Broswer IE8
Default settings
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Mar 15, 2010
I'm using the ASP.NET login control.
How can I set the session timeout?
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Dec 9, 2010
I'm working to set up/correct my session timeout code, and have consulted numerous articles like this one and this SO post for ideas on how best to do this. The solution to detecting a session timeout that I continue to see over and over is to first check the Session.IsNewSession property for true, and if so, then check to see if a session cookie already exists. I guess the logic here is that the user has ended their last session that timed out, started a new session, but the old cookie wasn't yet removed. The code for those checks looks like this:
[CODE]...
The problem is that the session does not end, and all of my session timeout checks are in the Home/Customer action (I use MVC). So I'm redirected to Home/Customer, and I run through the checks above, but when I get to Session.IsNewSession, it's false, because the session is still alive (I assume because I'm still within the 120 minutes I have set)
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Apr 7, 2013
I want some efficient way that how can i display a message to user that he is about to logout after 1 minute if user is idle and doing nothing on the page for 1 mintue.
on message if user want stay online so he must click keep me online or say logout.
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Nov 19, 2010
I have a question regarding Form Authentication Session Timeout
I have a form authentication and i have set the session timeout in my webconfig.
After I login to website using my form authentication, the session is not timing out even after i login more than 30 minutes.
It seems i'm still authenticated and can access everything.
Is it normal ? I thought if we set the timeout in webconfig it will automatically log you out because the session expire.
<authentication mode="Forms">
<forms name=".authentication" loginUrl="Login.aspx" defaultUrl="Default.aspx" protection="All" timeout="30" path="/" requireSSL="false" slidingExpiration="true" enableCrossAppRedirects="true" domain="" />
</authentication>
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Jul 2, 2010
My 3.5 app uses Forms Authentication. I create an authentication cookie (ticket) with an expiration date of one day. The cookie's IsPersistent is set to True. I do not use any session variables. Session timeout is the default 20 minutes.
Here's the problem:
When the session times out in 20 minutes, the user is redirected to the logon page even though the authentication cookie has not expired.
Why does this happen? I thought the session and the cookie were independent of each other.
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Jan 25, 2011
how to write session timeout in web.config and after session time out i want to redirect to login page .
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May 13, 2010
I have 3 seperate applications (under the same domain) for which I use Forms authentication with single sign-on.
The 3 applications have different session timeout periods. I was on various articles that when we use forms authentication and specify the loginurl in the <Forms> tag in the web.config, it should automatically get redirected to the login page, when the session timesout. But in my case, it doesn't happen, I think because of different timeout values.
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Jul 2, 2010
here's what I have:
My asp.net 3.5 app uses Forms Authentication.
I create an authentication cookie (ticket) with an expiration date of one day.The cookie'sIsPersistent is set to true.
I do not use any session variables.
Session timeout is the default 20 minutes.
Here's the problem:
When the session times out in 20 minutes, the user is redirected to the logon page even though the authentication cookie has not expired.
Why does this happen? I thought the cookie and the session worked independently. Shouldn't the user remain logged in as long as the cookie hasn't expired?
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Nov 22, 2010
i would like to redirect user to login page after defining session timeout
how to redirect the user to my login.aspx and how to set session time out within web.config
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Jan 27, 2011
We have the timeout value set to 120 in our <form> tag within the web.config. We do not have a session timeout set.. and we have various connection strings.
We are having a problem where a session variable will disappear (become NULL) .. but, the form evidently remains 'open'.. or no re-login is required..... so, my question(s):
1. what is the relationship between form timeout and session timeout
2. how do I set session timeout
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Jun 18, 2010
We currently have a public-facing .Net 4 application running with the default session timeout value of 20 mins. Are there any significant security risks with lengthening that to 60 mins or longer?
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Jun 29, 2010
I have an ASP.NET application that is using Signle Sign On using Active Directory Federation Services
When the user first logs into the application, Once they are "authenticated", their credentials remain active while their web browser is open.
Now, I want the "authentication" to "timeout" in 60 minutes. This way if they browse to another page after 60 minutes, they are prompted to "re-enter" their credentials again.
I know that in FormsAuthentication, you can "de-authenticate" someone by calling "FormsAuthentication.SignOut();" in the Session_End Event in Global.asax.
Is there anyting like that for ADFS?
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May 31, 2010
I am trying to force to show to the Logon popup when the session is timeout in Integrated Windows Authentication Enabled website. The session_timeout is firing during the session timeout, but the User.Identity.IsAuthenticated is true. How force to use the Windows Logon Screen when the session is timeout.
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May 7, 2015
Using this code i want to show an modal pop up to the user that "your session will be expired within 5 minutes , Click here [BUTTON] to reset your session" , here's my code :
<asp:Button ID="btnReset" Text="Reset" runat="server" OnClick="ResetSession" />
<br />
Your Session will expire in <span id = "seconds"></span> seconds.
<script type="text/javascript">
function SessionExpireAlert(timeout) {
var seconds = timeout / 1000;
seconds--;
[CODE]...
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Feb 1, 2010
The session state timeout is set using this web.config element
<sessionState mode="InProc" cookieless="false" timeout="120" />
The forms auth is configured using this web.config element
<system.web>
<authentication mode="Forms">
<forms loginUrl="Login.aspx"
protection="All"
timeout="30"
name=".ASPXAUTH"
path="/"
requireSSL="false"
slidingExpiration="true"
defaultUrl="default.aspx"
cookieless="UseDeviceProfile"
enableCrossAppRedirects="false" />
</authentication>
</system.web>
What is the difference between the timeouts specified in each of these elements? If both are different, how would it work?
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Jul 29, 2010
I have a page of each every click has ajax call to my server (hence, the ASP extends the session)
I have ASP.NET session set to Xmin. I want when X+1 min expires, I have expiration page. what I did was to set the JS timer to validate every x+1min to see if the session expired (the problem is that the JS and the ASP session timeouts are not synced)
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Nov 18, 2010
I read the solutioin for this error, at the following link :http://forums.asp.net/p/1046935/1576341.aspxbut I am still not clear what exactly causes the error. I have two doubts :1. Can anyone please elaborate a bit on this issue, with any example ????2. Is there any drawback of this approach ?
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Sep 9, 2010
I have some problems with getting my website to log out the authenticated user automatically when the session ends (the user closes the browser).
This is what I have in my web.config:
[code]...
When I close the browser, the user is still logged in. How do I make the website forget the user through an option, so the user himself can decide if the website should remember or not?
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May 20, 2010
I would like to check if someone tries to access the application with the same username from a different browser/pc/etc. All usernames and passwords are stored in a MSSQL db.
What I am doing at the moment is: In the global.asax-file in Application_start(..) I initialize [Code]....
Now with every user that logs in I can check whether he is allready in ( in that case, he won't be able to log in, he'll be redirected to the login page ). Let's say it's the same user who wants to login but for some reason he wants to start the application from a different pc, maybe in a different building. Unless he hasn't forget to logout, he won't be able to login on this different computer. So he would has to go back and logout or wait for the timeout.
Now wouldn't it be more convenient to abandon the first session and let the same user login to the pc where he is right now?
The question is, is it possible to end the first session without beeing in it? Or is there any other solution for that problem? Since I have the SessionID stored in Application["UserList"] is there any possibility to end that specific session?
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Mar 31, 2010
I have created a website. I login with username and password and after authenticating i redirect the user to Home Page. When the user clicks Logout, they are redirected to the Login Page. But after this when i click the BACK button on the browser, it again goes back to the Home Page with that user's login credentials. I have used Session["username"]=null in the Page_Load function of Home Page. How to avoid going back to the Home Page when the BACK button is clicked by the User??
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Jan 23, 2011
I have a script that send a daily email to a list of recipients from a database. I am having a couple of emails failing to send and the try/catch/ex.message & ex.stacktrace doesn't give me enough information to show what the actual problem is. I have tried to do some smtp session logging but that seems to not be doable since I am running under Medium trust. Is their either another way to get this code to work on medium trust or another way to get detailed SMTP log info.
This is what I tried to use in my web.config
[Code]....
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Apr 8, 2010
how to check whether users is authenticated and session is valid on pages after say 30 mins.
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