Security :: Logging In, Logging Out And Still Logged In?
Jan 12, 2011
I think my subject line explains my problem in a nutshell.. I have a login page, I login like I should and everything works.I logout and when I type/paste the address to the page, in the address field, I still reach it just like if I was still logged in..The page I type in the address field is in a subfolder, only suppose to be able to be reached by logged in users and in this folder,ith it's own web.config-file:
<?xml version="1.0"?>
<configuration>
<system.web>
[code]...
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[code]....
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Jun 17, 2010
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Jul 13, 2010
I have created a login page which uses the Login control. If the user is not already registered they a redirected to another page to register. My client wants them to be logged in from when they register, and taken to the main page of the application.
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Nov 7, 2010
Why do I have to log in twice before the following code works?
[Code]....
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Jul 28, 2010
Im building a web application that charges for access on a per user basis. Ive used standard roles and membership for setting up accounts and logging in. I want to ensure that a client cant use the same user details to login more than once
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Apr 26, 2010
FormsAuthentication.RedirectFromLoginPage(txtUser.Text, false); After doing this, the user is logged in with the txtUser.text
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Apr 15, 2010
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Mar 15, 2011
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[Code]....
I did that and now can login again however can no longer logout. The controls are all on the masterpage as posted below
[Code]....
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Feb 4, 2010
I have a login form from the membership and I am trying to make it so that it would redirect depending on role. I have tried to put this code under login1_loggedin but it didn't seem to work. how can I do this?
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Jul 1, 2010
Im setting up a site with membership.
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Oct 10, 2010
Is there something here messing up my login functionality? I can't log in. Before when I was logged in, I couldn't log out. It seems to have started when I clicked on "Remember me". Could there be something conflicting with web.config and the aspnetdb profile provider service setting that was initially set regarding profiles/roles/access?
[Code]....
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Apr 30, 2010
I have a requirement to log all/most forms authentication transactions that take place within my page. For example, if someone is kicked out because of forms authentication, I'd like to get their username, time when kicked off, and where this happened. Is there a good way to do this. Better yet, has anyone done this already and is willing to share some code or post a link?
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Mar 26, 2011
How can I prevent user to go back after logging out from any of the page of my website ? Even if the user press back button, redirected to the login.aspx page. Like we have seen in social or any other member ship sites.
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Nov 15, 2010
I am trying to insert a string and random number into the database as hash sha1 then loggin in against it. the problem is if I use hash it wont login but if i dont use hash the login works fine... Code below.
insert hash into db
Dim user As New Label
user.Visible = False
user.Text = (myDataReader2.Item("username"))
MyConnection2.Close()
Dim MyConnection3 As New Data.SqlClient.SqlConnection("Data Source=xxx")
Dim mycommand3 As New Data.SqlClient.SqlCommand("Update Register SET [Password] = @password WHERE [username] = '" & user.Text & "' AND [email] = '" & email.Text & "'", MyConnection3)
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Dim rnd As Integer, randomNum As New Random
rnd = randomNum.Next(1000, 10000)
pass = "Pass" & rnd
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MyConnection3.Open()
mycommand3.ExecuteNonQuery()
login page
Sub Application_AuthenticateRequest(ByVal sender As Object, ByVal e As EventArgs)
' Fires upon attempting to authenticate the use
If Not (HttpContext.Current.User Is Nothing) Then
If HttpContext.Current.User.Identity.IsAuthenticated Then
If TypeOf HttpContext.Current.User.Identity Is FormsIdentity Then
Dim fi As FormsIdentity = CType(HttpContext.Current.User.Identity, FormsIdentity)
Dim fat As FormsAuthenticationTicket = fi.Ticket
Dim astrRoles As String() = fat.UserData.Split("|"c)
HttpContext.Current.User = New GenericPrincipal(fi, astrRoles)
End If
End If
End If
End Sub
Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs)
Dim myConnection As New SqlClient.SqlConnection
Dim myCommand As New SqlClient.SqlCommand
Dim intUserCount As Integer
Dim strSQL As String
myConnection = New SqlClient.SqlConnection("Data Source=jrome2.db.4961680.hostedresource.com; Initial Catalog=jrome2; User ID=jrome2; Password=Richard050283;")
strSQL = "SELECT COUNT(*) FROM Register " _
& "WHERE UserName='" & Replace(txtusername.Text, "'", "''") & "' " _
& "AND Password='" & Replace(txtpassword.Text, "'", "''") & "';"
myCommand = New SqlClient.SqlCommand(strSQL, myConnection)
myConnection.Open()
intUserCount = myCommand.ExecuteScalar()
myConnection.Close()
'Response.Write(intUserCount)
If intUserCount > 0 Then
FormsAuthentication.Initialize()
Dim strRole As String = AssignRoles(txtusername.Text)
'The AddMinutes determines how long the user will be logged in after leaving
'the site if he doesn't log off.
Dim fat As FormsAuthenticationTicket = New FormsAuthenticationTicket(1, _
txtusername.Text, DateTime.Now, _
DateTime.Now.AddMinutes(30), False, strRole, _
FormsAuthentication.FormsCookiePath)
Response.Cookies.Add(New HttpCookie(FormsAuthentication.FormsCookieName, _
FormsAuthentication.Encrypt(fat)))
Response.Redirect(FormsAuthentication.GetRedirectUrl(txtusername.Text, False))
Else
login.Text = "Incorrect Log In Information"
End If
End Sub
Private Function ValidateUser(ByVal strUsername As String, ByVal strPassword As String) _
As Boolean
'Return true if the username and password is valid, false if it isn't
Return CBool(strUsername = " & Replace(txtusername.Text, " AndAlso strPassword = " & Replace(txtpassword.Text, ")
End Function
Private Function AssignRoles(ByVal strUsername As String) As String
Dim myConnection As New SqlClient.SqlConnection
Dim myCommand As New SqlClient.SqlCommand
Dim intUserCount As Integer
Dim strSQL As String
myConnection = New SqlClient.SqlConnection("Data Source=jrome2.db.4961680.hostedresource.com; Initial Catalog=jrome2; User ID=jrome2; Password=Richard050283;")
strSQL = "SELECT COUNT(*) FROM Register " _
& "WHERE UserName='" & Replace(txtusername.Text, "'", "''") & "' " _
& "AND Password='" & Replace(txtpassword.Text, "'", "''") & "';"
myCommand = New SqlClient.SqlCommand(strSQL, myConnection)
myConnection.Open()
intUserCount = myCommand.ExecuteScalar()
myConnection.Close()
'Response.Write(intUserCount)
If intUserCount > 0 Then
Return "client"
Else
Return String.Empty
End If
End Function
Protected Sub LinkButton1_Click(ByVal sender As Object, ByVal e As System.EventArgs)
txtusername.Text = String.Empty
txtpassword.Text = String.Empty
End Sub
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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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Jun 13, 2010
I have a problem configuring web.config file. In root directory I have a web site that doesn't require logging in to be viewed (public section of the web site) and I also have a folder ("Administration") that needs logging in to get access to it. Login.aspx is located in folder "Administration".
The question is how to properly set up the web.config to connect Administration/Login.aspx with Administration/Default.aspx. I tried editing web.config in root directory by adding the following lines, but it only shows me Login.aspx and it redirects me to the public section:
[Code]....
Do I also have to add web.config in "Administration" folder and with which parameters?
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Oct 27, 2010
I am currently using the built in ASP login function... the destinationpageurl of that login function locates to "loginhome.aspx" for all users... but for one specific user ("Admin") it needs to link to "adminhome.aspx"... just wondering whats the best way to do this? Can I change the destinationpageurl of the login function depending on the user or creating an admin role so "If membershiprole = 'Admin' redirect to 'adminhome.aspx' End If" or can I just add some code behind the login function so "If User.login.Name = 'Admin' Then destinationpageurl = 'adminhome.aspx' End If" think I have already tried this on the login1_authenticate event but it didn't work
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Jul 17, 2010
I am implementing strightforward membership provider. I do not want new users to be able to login without being approved.
I have tried the setting on the registration wizard called DisableCreatedUser="True" and this does not work.
I also set LoginCreatedUser to False, and the user still gets logged in.
If I look in the SQL membership table, 'IsApproved' is set to 0 for the account, but they can still login.
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Jul 12, 2010
Two users using the same machine, same browser.
User 1 logs in the domain.
User 1 changes some data without saving it.
User 2 logs in the domain in a separate tab.
User 1 switches back to his tab and saves the data.
User 1 actually saved the data into User 2!!
This is caused by the following mechanism:
Different tabs in the same browser seems to share the same session id. We are storing user auth in cookie and the cookie is shared between tabs (same domain)
Therefore, when User 1 request to save, it is recognized as User 2 since the cookie has been updated to User 2.
So I'm wondering if there's any other methods to prevent this from happening, other than:
1. Use cookieless session so the session is embedded in uri.
2. Always include a hidden field in page to indicate which user owns the page.
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May 19, 2010
I have this web application built. I am using windows authentication for this application. I have to log all the user activity as wells as site activity in this application. I have the below mentioned class established to log some activity regarding the user to an SQL server database table..
[code]....
I would still need to log many other items regarding the user and also the site, like the time spent by the user on the site, no: of currently logged in users on the site. Can anyone here suggest me as to how do I capture those items?? let me know if I am going in the right direction too.....?? If you can provide me with some links on this "user activity logging for windows authenticated applications".
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Jan 18, 2011
When I navigate to [URL] (the default page for the directory) it displays it without logging in (as I want). But when going to [URL] FormsAuthentication redirects to [URL] to login. There isn't a way to set the path for just "/" in the web.config, I get an error. This only happens on my ISP (hosted Windows 2003), I can't reproduce this issue locally on my test 2003 boxes.
[Code]....
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Oct 7, 2010
I am using Form Based Authentication in my application. I am using standard method to create FormsAuthentication cookie using
FormsAuthentication.SetAuthCookie('username', boolRememberMe)
FormsAuthenticationTicket ticket =
new FormsAuthenticationTicket(1,
username, DateTime.Now, DateTime.Now.AddMinutes(60),
remember, UserObject.Entity.UserName);
When clicked on particular URL, i need to pass whether user has checked REMEMBER ME CHECKBOX while logging in. How can I determine this using FOrmsAuthentication mechanism?
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