C# - Detect Users Domain In Asp
Jul 16, 2010
If I have a generic public asp.net website, I want to know who is visting my website (I know how to get that), but more importantly, I want to know what company the user is from (is this a microsoft employee viewing my website, or a Coca Cola employee viewing my site or is this person using a home computer to view my site). How can I determine the computers domain name? Hope this is making sense. Update: At most companies, I have seen the company name included as the "Full Computer Name" or the Domain value in "Computer name, domain and workgroup settings". Thats what I am looking to access.
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Jan 27, 2011
I have an intranet web application. There are 2 user groups, group A belongs to the domain and group B does not. If I set the IIS to enable anonymous access, Request.ServerVariables("LOGON_USER") always return nothing. If I disable anonymous access and set Integrated Windows authenication, a Windows login prompt will come up if group B's users want to access the website.
How can I setup IIS so that when domain user access the website, it will direct to the main page with Session("user_name") = Request.ServerVariables("LOGON_USER"). If a user is not a domain user, the website will direct him/her to a login.aspx instead of having the Windows authenication prompt, then set Session("user_name") = txtUserName.Text, and finally redirect to the website main page ?
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Sep 8, 2010
Let's say that you have 2 or N domains pointing on the same ip address, your server (in my case Windows Server with IIS) and you want to make custom site for every domain name so you have to detect which domain is user currently using.
There should be two "custom sites". One is Administration aplication site with just one domain name pointing on it, and the other is aplication that handles multiple domain names and based on it displayes different sites.
Good example is shoutem network. At [URL] is administration page and aplication instances are [URL]and [URL], separate aplication that handles different domain names.
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Jan 7, 2011
I have a message board pulling user-submitted posts stored in SQL server. When users submit their post, they may enter something like "www.asp.net" in plain text, but I want it to show up as a hyperlink on the board. How can I accomplish that? I'd also like to identify @replies and show them in a different color, and I believe one method should be able to do both.
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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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Jul 7, 2010
I want to use the Domain Users group to show all the users in a dropdown box. For some or other reason I cannot return all the users when looking for everyone under the domain so instead I was thinking of using the domain users group.This is part of my code:
[Code]....
[Code]....
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Dec 11, 2010
How can I detect the country name of our users list in asp.net membership provider. In addition, the country name which can be found by IP address.
Is there any built in functionality within ASP.net membership provider? If yes then it is good and if not then how can I implement this?
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Jan 28, 2011
I'm wondering if it's possible to perhaps set something up in the global.asx file or something that will build a list of all currently active user sessions that I can then use to display to a logged in user, who else is currently logged in.
Currently I store my userId's in a session variable Session["IsLoggedIn"], so basically i want to build an global array of some sort that will store all these active userId's.
Let me know if this is possible, or who i would go about accomplishing this sort of thing. BTW, I'm not using asp.net's built in membership thing for login accounts.
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Nov 16, 2010
is there a way i could find out how to get all the users in a group on my domain, i have a domain called "cot", within that domain we have multiple groups like "RO,Admin,PM,SPM and 2 or 3 more", i need to get all the users in a particular group, i am using vs2008 and coding on webforms with c#, i have tried various example i could find online but none have worked for me so far.
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Oct 28, 2010
I have the IIS webserver on Domain A. I have many users on Domain B, C, D, E.
I've set the NTFS security permission for each user and his/her domain to the webserver's security ntfs permission folder. But it is still not authenticating. So what do I need to do to enable this feature? I am using windows 2003 webserver.
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Jun 29, 2010
Currently in my application using LDAP to authenticate user to a specific domain & then i check if the user exist in my site database.
Now i need to also allow users who do not belong to this specific LDAP domain to access my site ..How can i make it possible withoput affecting the exisiting users?
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May 12, 2010
I have just started to use asp.net mvc.
I have read this article about using ntlm authentication
[Code]....
it provides access to specific domain users
[Code]....
I want to restrict access to all my domain users only lets say
[Authorize(Domain="redmond")]
or do I do it via web.config
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Aug 4, 2010
I need to get the list of domain usrs. The users not necessorily be on the domain where I am logged in. (e.g. I am logged in on domain "Dom111" but I need the list of users from the domain "Dom222")
I want this information on the basis of following -
1) Name of the Domain
2) A valid User name (of-course with Admin rights for the Target domain) and password
I am trying to use the following code -
DirectoryContext dc = new DirectoryContext(DirectoryContextType.Domain, "Dom222", "Administrator", "password");
Domain domain = Domain.GetDomain(dc);
DirectoryEntry de = domain.GetDirectoryEntry();
FillList(de);
Here is the FillList function
private void FillList(DirectoryEntry de)
{
DirectorySearcher deSearch = new DirectorySearcher(de);
deSearch.Filter = "(&(objectClass=user)(objectCategory=person))";
SearchResultCollection results = deSearch.FindAll();
//checkedListBox1.Items.Clear();
foreach (SearchResult srUser in results)
{
DirectoryEntry deUser = srUser.GetDirectoryEntry();
checkedListBox1.Items.Add(deUser.Properties["sAMAccountName"].Value.ToString());
}
checkedListBox1.Sorted = true;
}
This works fine for the domain where I logged in (i.e. Dom111) but for the other domain (Dom222), while executing the statement - Domain domain = Domain.GetDomain(dc); I am getting the error saying "The specified domain does not exist or cannot be contacted."
Now, For creating the dc if I use following - DirectoryContext dcTemp = new DirectoryContext(DirectoryContextType.DirectoryServer, "Server_dom222", "administrator", "password");
Then everything works fine. But as you can see I need to pass the "Domain Controller (Server) Name"which I want to avoid.
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Feb 28, 2011
I have been trying to perform security validation in a page using the credentials of the domain users ...
However, when I try to get the value in
Code:
HttpContext.Current.User.Identity.Name
is always returned blank.
PS: When I run the code in the IDE is returned "domainuser" ... but when the page is hosted on a IIS server, the returned value is always blank.
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Jun 2, 2010
i would like to be able to do is to, lets say i have 10 users running a web application , how can i get the names of all these users. There names , logon times and any other info availabel.
i would like to get this data into a dataset and just bind to a gridview .
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Mar 23, 2010
I am developing a simple ASP.NET website that will run on the intranet on a WS2008(IIS7) box and respond to users running XP/IE8. Everything is domain connected and I am trying to automatically login the users much like SharePoint does.On my dev machine (XP), when running the site through VS, everything works. I can pickup on the user perfectly. I am using the following settings:
<authentication mode="Windows"/>
<identity impersonate="true"/>
<anonymousIdentification enabled="false"/>
[code]...
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Dec 10, 2010
Does anyone know how I can authenticate users based on their Email Address and Password as oppose to Domain, Username and then Password?
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Dec 17, 2010
I wrote a chat client 1-1 but I need a way to be able to detect if the user is typing and display "UserA is typing message..." just like MSN messenger or yahoo messenger.. how can I detect that?
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Feb 17, 2011
I have also installed SSL on a subdomain. I have put payment page under this sub domain.
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Sep 28, 2010
My feeling says it's not posible but anyway I am curious if there is at least a workaround for accomplish this.Basically I am working at my client site and my machine is not connected to the domain.What I want to do is running a web application locally under a domain account, and using the webdev server.The webapp uses the default authentication, windows authentication that is.I tried using impersonation with domainuser & password but I got the following error Could not create Windows user token from the credentials specified in the config file. Error from the operating system 'Logon failure: unknown user name or bad password.I have to mention that the username and the password are correct.
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Aug 3, 2010
We have a ASP.NET site that partially depends on forms authentication for login credentials, however the implementation of IPrincipal is completely custom.
But, when running the site on a particular server (which is somewhat semi-hardened when it comes to security), the app crashes when invoking IPrincipal.IsInRole() with the following messsage:
System.SystemException: The trust relationship between the primary domain and the trusted domain failed.
This indicates a communication error between the web-server and the DC, however since our application doesn't at all utilizes Windows authentication, I don't see why it needs to communicate with the DC.
This is my implementation:
[code]...
EDIT:
I was finally enable to reproduce this error on my dev-machine (i revoked my machine from the DC yesterday, but didn't reproduce it until today)
HttpContext.User is actually a WindowsPrincipal by default it seems, and the error in my code was that I only replace it with CustomPrincipal upon login. Hence, unathenticated users still get the WindowsPrincipal which then fails horribly if you have trust issues on your AD.
I tried changing the default principal by invoking this on appstart
AppDomain.CurrentDomain.SetPrincipalPolicy( PrincipalPolicy.NoPrincipal);
But this doesn't seem to kick in. How do I change the default Principal in ASP.NET?
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Aug 16, 2010
Im returning the username from sharepoint site as a string. This is done successfully with the below code but I also get the domain with it. How can I only return the username and not the domain either through sharepoint or programmatically removing it? domain/username
[Code]....
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Sep 28, 2010
My feeling says it's not posible but anyway I am curious if there is at least a workaround for accomplish this.Basically I am working at my client site and my machine is not connected to the domain.What I want to do is running a web application locally under a domain account, and using the webdev server.The webapp uses the default authentication, windows authentication that is.I tried using impersonation with domainuser & password but I got the following error Could not create Windows user token from the credentials specified in the config file. Error from the operating system 'Logon failure: unknown user name or bad password.I have to mention that the username and the password are correct.
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Jul 28, 2010
I have two domain servers X and Y.My Asp.net Web application is hosted on Domain X.But my scope is required to authorize the user of Domain Y on the Web application hosted on Domain X server.I am using Windows Authetication mode in application
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Jul 28, 2010
I have a main domain "mydomain.com" and then a sub domain "forums.mydomain.com". If a user visits "forums.mydomain.com" without being logged in, they are redirected to "mydomain.com/login.aspx".
The two scenarios are:
If they are redirected to the login page with "mydomain.com/login.aspx?ReturnUrl=http://forums.mydomain.com", then they are succesfully logged into the forums but NOT the main site.
If they are simply redirected to the login page with "mydomain.com/login.aspx" with no returnUrl, they are correctly logged into both the main site and the forums.
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