Security :: Usernames In Table Aspnet_users?
Oct 26, 2010
I created a project using asp.net in visual studio 2008. In my login database table aspnet_users I noticed under the column UserName there is some usernames that I didn't create such as '668215da-b4d0-4e50-8c97-06586afc07b1' All my usernames are less than 8 characters that are generated by users. How and why was the username '668215da-b4d0-4e50-8c97-06586afc07b1' created? When I query the database table aspnet_users to approve a new user I am not interested in usernames such as '668215da-b4d0-4e50-8c97-06586afc07b1'. How do I avoid them in my query?c = squareroot(e/m)
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Aug 8, 2010
i am using aspnetdb database and i am using createuserwizard control and i have found that i am able to create user account with same username. as far as i know i think usernames are stored uniquly but i can't figured it out why i am able to create user account with duplicate user names.
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Apr 14, 2010
If I am going to use the asp.net membership and roles, the asp.net database includes an aspnet_Users table that has the userid and email address. If I have custom fields is it best practice to maintain a separate usert table and link on user id or to add fields to the aspnet_Users table?
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Jun 7, 2010
I want to know that is that the value of last activity date in aspnet_users table is changed when user is logoff from the application.
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Oct 13, 2010
I'm using SqlMembershipProvider and SqlRoleProvider for user management.
Users are created by
Dim MCS As System.Web.Security.MembershipCreateStatus
Dim NewUser
As MembershipUser = Membership.CreateUser(TB_UserName.Text, TB_Pw.Text, TB_Email.Text, TB_SecQuestion.Text, TB_SecAnswer.Text,
False, MCS)
later, after email confirmation, I take the user into a specified role
Dim myUser As System.Web.Security.MembershipUser = Nothing
myUser = Membership.GetUser(New Guid(Request("RegID")))Catch
If myUser
IsNot
Nothing
Then
myUser.Comment += " approved "
Membership.UpdateUser(myUser)
Roles.AddUserToRole(myUser.UserName, "role")
End if
After this I have two entries with the same UserName in aspnet_Users table, but with different UserId's. One UserId is referenced in aspnet_Membership table and the other in the aspnet_UsersInRoles table.
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Aug 10, 2010
Perhaps this is a simpler VS9 question, but I want to link a SQLServer table with additional user data to the standard SQLServer membership table using the GUID userID as a foreign key. I go into design mode of my table, right-click on relationships, and click add in the dialog. but the left hand column shows me only the tables in my database. How do I get it to show the tables in the ASPNETDB.MDF database? I went through the tutorial (http://www.asp.net/learn/security/tutorial-08-cs.aspx), but it seems to magically appear in there without explanation.
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Aug 31, 2010
For my existing data, both RoleName and LoweredRoleName are same, but some are lower case and some are in same case too.
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Jan 8, 2011
I'm trying to build a website which has a two-tier membership system, a bit like Basecamp. The first level of membership will be the administrators, who must have unique usernames. The second level will be the clients of the administrators, so they must allow duplicate usernames (e.g 'johnsmith' can register under 'administrator1' but 'johnsmith' can also register under 'administrator2'.To give a bit of background on this, evenutally each administrator will have their own sub-domain (exactly like Basecamp) using their username as a sub-domain, like this:http://administrator1.example.comhttp://administrator2.example.comThen each administrator may have lots of clients, with their own username as part of the URL when they log in. e.g:[URL]this type of membership system? Presumably it has to be a custom provider? Would I be better just creating my own database table structure (perhaps 2 tables, one for each membership type) then build the code around these, with my own authentication etc?What I'm thinking is a database schema something like this:AdminMembers table:Id (primary key)Username (must be unique)EmailPasswordClientMembers table:Id (primary key)UsernameEmailPasswordAdminMembersIdWould something like this work? If so, would I need to make this into a custom provider? Any good references for this type thing?I'm a total ASP.NET MVC newby (and have limited ASP.NET experience anyway) but I'm trying to use this project to learn,
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Mar 9, 2010
I am wondering if the aspnet_Users table is always sorted (by UserName) even if I add new users which are alphabetically between two already existing users.
I've noticed that the method Membership.GetAllUsers() always seems to return a sorted collection of MembershipUsers.
Also when I look into SQL Server Management Studio and run a simple SQL query without ORDERBY clause...
SELECT [UserName]
FROM [MyDb].[dbo].[aspnet_Users]
...I get always a sorted result list.
I'm still very unfamiliar with SQL Server but I expected that when I add a new row to a table it is (physically) appended to the end of the table. And when I run a select statement without ORDERBY the rows will be selected in the order they were initially inserted into the database (so without any specific sort order).
I am wrong I guess. But how does it really work? Is it perhaps something special with the aspnet_Users table?
I am happy that the MemberShipUserCollection returned by GetAllUsers() is sorted but is it always guaranteed?
Update
I've just noticed that the database contains a stored procedure called aspnet_Membership_GetAllUsers. This procedure actually contains an ORDER BY clause by UserName. So if this stored procedure is indeed always called when I use Membership.GetAllUsers() in my code (at least if I am using the SqlMembershipProvider) it explains why the collection returned by Membership.GetAllUsers() is sorted by UserName.
Remains the question: Is Membership.GetAllUsers() actually based on this stored procedure?
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Aug 10, 2010
I'm working with 2 sites (Intranet and Extranet) that share the same .net membership database (the standard out of the box version). The Intranet and Extranet site users are stored in separate "Applications" within the membership database. I create all users for both sites from within the intranet site. Everything seems to be working except that when i create a user for the extranet site I end up with 2 rows for that user in aspnet_users. One with userID (guid) that I send in and another with a different guid. I'm assusming that .net is creating an anonymous user. The intranet membership provider is the default.
I could delete this row through sql but am hoping for a more elegant solution. Any suggestions?
Dim objUser As MembershipUser
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Aug 9, 2010
I developed a site for a client a couple of years ago. It uses the the standard ASP.NET Membership, authentication, etc. I just added the profile section with (2) fields: CustID AgntID. Now whenever I load the page with any Profile code in it I receive this error: Violation of UNIQUE KEY constraint 'IX_aspnet_Users'. Cannot insert duplicate key in object 'dbo.aspnet_Users'. The INSERT statement conflicted with the FOREIGN KEY constraint "FK__aspnet_Pr__UserI__3CA9F2BB". The conflict occurred in database "broo001", table "dbo.aspnet_Users", column 'UserId'. The statement has been terminated. The statement has been terminated. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Data.SqlClient.SqlException: Violation of UNIQUE KEY constraint 'IX_aspnet_Users'. Cannot insert duplicate key in object 'dbo.aspnet_Users'. The INSERT statement conflicted with the FOREIGN KEY constraint "FK__aspnet_Pr__UserI__3CA9F2BB". The conflict occurred in database "broo001", table "dbo.aspnet_Users", column 'UserId'. The statement has been terminated. The statement has been terminated. Source Error:
[Code]....
Stack Trace:
[Code]....
Here is the code from my web.config:
[Code]....
Here is some of my page code:
[Code]....
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Apr 28, 2010
I have a site where users can enter their profile and password-protect certain details. I would like search engines to crawl the 'unprotected' parts of the profile (which varies from user to user). Similar to how if you enter a user's name in facebook, their Facebook profile comes up in the search results. Do I have to do anything special to ensure that the bot doesn't crawl the password-protected sections, but still crawls the (always-public) username?I'm not sure if this is even an issue, but I'd like to update my robots.txt to allow for this.
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Jul 5, 2010
I recently read Scott Mitchell's article series "Examining ASP.NET's Membership, Roles, and Profile". In Part [URL], It says "to store additional, user-specific fields...If you are using the SqlMembershipProvider, this would mean creating an additional database table that had as a primary key the UserId value from the aspnet_Users table and columns for each of the additional user properties."I created a table named Thread to store some specific users information and comments they make. I set the ThreadId as the primary key and the UserId as the foreign key to the UserId in aspnet_Users table. But when I run the application and use a user's account to submit a comment, there is an error in my Comments.aspx.vb page "Cannot insert the value NULL into column 'UserId', table 'ASPNETDB.dbo.Thread'; column does not allow nulls. INSERT fails.The statement has been terminated."How can I make the logged-on user's UserId inserted into the Thread table when storing the user's other data information?
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Feb 3, 2011
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Feb 4, 2011
Is it a way to add "IP Address" field in aspnet_Users, and then control it when user try to login?
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Nov 30, 2010
I have a table in sql server 2005 called UsersInfo, which has Username, password ,country, and Role.
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Aug 4, 2010
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Apr 15, 2010
How this line if (usrInfo! = null) add another variable that will be used to login.
This line (usrInfo! = null) works, but I have a database table "confirm". If I change in the Admin to "true", the user successfully logged on. If the base table "confirm" set to "false", the user will not be logged.
The following code works if (null! = & usrInfo & usrInfo. IsApproved), but instead of ' IsApproved ', I want to use table "confirm".
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Nov 19, 2010
I need to add a column name contact id in asp.net memebership table.I get the contact id from the contacts table and i need to pass that contact id in asp.net membership table when user creation event fires.
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Oct 13, 2010
When creating a foreign key to the membership user table, is it better to refer to the user_id column or is it ok to use the username column? I assume that the Membership spec enforces uniqueness in the username since there is a method Membership.GetUser(username) that returns one user. Using the id is a bit awkward in code because I have to end up casting all over the place like (int)user.ProviderUserKey. The username would give more information quickly when viewing raw data as well. Just wondering if someone knows a reason why I shouldn't use it as the foreign key.
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Mar 6, 2011
[Code]....
In which table is stored data "dejan"?
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Feb 25, 2010
In my application I am using the aspnetdb membership for authorizing users. I created a new table UserProfiles that will hold their profile information. The UserID is linked to aspnet_users UserID with a foreign key. One of the columns in the table represent CompanyID (int). I want to be able to restrict logged in users to only see records from their company based on the CompanyID. There can be more than one user with the same CompanyID to the UserID would not work. I can restrict their access by UsedID to only see records they created by using code behind:
[Code]....
and my select statement is:
[Code]....
How would be the best way to restrict the selected data to UserProfiles.CompanyID?
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Sep 6, 2010
Just an FYI for those trying to use the SqlTableProfileProvider in a Web application project. Here's my article:
Using the SQL Table Profile Provider in ASP.NET 4 Web Applications (C# & VB)
[URL]
The complete projects are here:
[URL]
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May 6, 2010
I am dtrugling with the log in of .net. I have studied a wrox asp.net 2 book and it says add
<authentication mode="Forms">
<forms name="Wrox" loginUrl="Login.aspx" path ="/" />
</authentication>
<authorization>
<deny users ="*" />
</authorization>
to the web.config file. This automaticaly sends me to Login.aspx. The problem I have is I have added this line to the code behind in Login.aspx
protected void submit1_Click(object sender, EventArgs e)
{
FormsAuthentication.RedirectFromLoginPage(User.Text, false);
}
NOW this does not check the password but it should in THEARY send me to the page I was going to. It dosnt it stays on the login page.
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