Security :: Obtain Domain Username Without Requiring Authentication?
Oct 6, 2010
I'm bangin' my head against the wall here. I'm not even sure what I want to do is possible.
I have developed an ASP.NET app that will only be run on my local network (which incorporates a Windows Domain). It's running on IIS 7.5.I want to do this:
[Code]....
My problem is this: If I don't turn off Anonymous Authentication and ASP.NET Impersonation, I don't get the results I'm looking for. (if Anonymous is allowed, I get an empty string returned for username, and if ASP.NET impersonation is allowed, then "username" is always whatever account is associated with impersonation, like "Network Service"). If I turn those off and then turn Windows Authentication on, it works, but only after a dialog box presents itself asking for the Windows Credentials.
What I'm trying to do is NOT require the users to log in. Since they've already logged into the domain when they signed on their computer, I'd like to just allow them access to the ASP.NET application I've written, and identify who they are (based on their previous Windows login) using the line of code above. I don't need them to re-authenticate, because they're already authenticated from their domain login.I can't figure out what I'm doing wrong, or how to accomplish this. It seems the closest I've gotten to what I want so far, is to turn off all authentication EXCEPT for Windows Authentication. It works then, but only if the user first types in his/her username and password again in a dialog box. Is there any way to avoid having them type in their username and password again, but still be able to identify their domain username?
I have an asp.net c# site that I have setup in IIS 7 and am loading into a sharepoint frame. Sharepoint doesn't prompt for domain credentials but my site does?In IIS I have enabled basic and windows authentication so I can get the domain users username, so if there is a way to get this without prompting that'd be a perfect solution for me.I am using the follwing statement to get username:
My intranet web application uses Forms Authentication. How do i get the Active directory domain nameusername of the logged in user. The IIS directory security settings for the app are:
Anonymous User Access : Ticked Integrated Windows Authentication : Ticked
I tried using the following but to no avail
System.Security.Principal.WindowsIdentity.GetCurrent().Name ----> returns NT AUTHORITYNETWORK SERVICE Request.LogonUserIdentity.Name -----> returns The username used for anonymous access
ineed to pass this information to an external application for the current user to gain access to the system. Can i untick Anonymous user access in IIS and continue using forms authentication? what are the other options.
I've got a literal control to display the username of the user logged into our companies intranet system, originally I had a LoginName control but couldn't get strip to remove the domain from the username (as the format is domainnameusername) so I'm trying it this way.
I had implemented the Forms Authentication for my application and used in-built login control for validating user credentials. I am creating persistant cookie using FormsAuthenticationTicket when the user checks 'Remeber Me' checkbox in login page.
Next time when I browse my application, it directly goes to resource access pages without redirecting to login page. This is the common approach in Forms Authentication with persistant cookie.
My requirement is, Is it possible to get username only in login page when using persistant cookie with Forms Authentication without redirecting into resource pages?
The same can achieve using cookies without using forms authentication. I need get the username automatically in login page using Form Authentication.
Once the user has authenticated, I would like to base all of the information displayed to the user based on their username. Isn't that saved in the cookie?
For instance, I would like to pull all of their client information using a GridView and have the parameter set to the appropriate authentication information.
I have two different web sites in Intranet zone. They are placed in one domain (like http://site1 and http://site2.site1). They use Windows Authentication for common domain (like mycorpUser1, mycorpUser2, mycorpUser3).First web site(http://site1) have iframe element with hyperlink to second web site(http://site2.site1). When user loads first web site he needs write login and password twice. How to make that http://site1 and http://site2.site1 ask authentication only once?
I have a case where i have two asp.net applications, one is hosted on example.com/App1 and the other on /App2.
both applications are password protected using Windows authentication.
App1/default.aspx has a <img src="/App2/somefile.aspx">
Now what happens when i open App1 is that i get the credentials prompt, but because App2 is also protected, the HTTP GET for the img requires me to authenticate, in other words i get two prompts.
Is it possible to do something so that the authentication is for example.com so that both App1 and App2 consider the user authenticated?
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
is it possible to preserve authentication for ASP.NET Forms authentication cookie,btween Http and Https (different domains) and back?I mean haveing single signon for two domains say http://www.mydomain.com and https://members.mydomain.comI've seen on quite asp.net sites that have a 'MyAccount' section they transfer the site to https and then when you have logged into your account successfully and gone back to the majority of the site you move back to http whilst still being logged in.
We are upgrading the asp.net 2.0 web application to asp.net 4.0. The application contain three main modules (sub application) like End User, Franchise and Admin with separate web.config, asp.net form Authentication, login page and running with single domain. the URL like,mydomain.com/login.aspxmydomain.com/franchise/login.aspxmydomain.com/admin/login.aspx In asp.net 2.0, working fine with 3 sub applications with separate form authentication under a single domain name and also we can working with all threes in same time. After the up gradation process (ASP.NET 2.0 to 4.0),We didn't run all three applications in same times and also form authentication crossed.
In the web.config, how do add a connection string by using a window authentication with the username and password? I have tried like this and it keeps ignoring the username and password
I have an interweb web application that uses Active Directory to authenticate the user. Im now getting some complaints that users on other domains are unable to access the application.
How can i make it work so that their domain name is also accepted by the application?
Foe getting Logon computer username i m using digest authntication mode. But when i browse website it's asking for username and password. while already windows login with the same username.
I understood that in this auhtntication mode it's required. But r there any configuration with it i am not getting this Prompt ? Any group ploicy ??
For IE i have added website into trusted zone but still it's asking for username and password.
R there any other way i getting Computer logon name in asp.net application. There are But only work when i run from Editor from IIS it's not retuning value.
One our customer complaint about HYH virus storing form authentication user credentials in clear text in his local system. Customer is accessing website through internet explorer. Is any preventing measure we can take in website or Code level?More details on Website1) Hosted in IIS 6.02) Windows Server 2003 Operating System ) Written in ASP & ASP.net combination
Ok, I almost hate to ask this because I'm sure it's been covered many times on this forum, but I'm starting to get too frustrated trying to get it to work, so I'm gonna ask anyway.I have setup forms authentication on my site and have it working without any issues. What I'm trying to do now is to add "Remember Me" functionality so that the users don't have to log in each time they access the site. I'm able to get the authentication part down, but the issue I'm having is that when the user logs in, I set certain attributes in Session variables for that user (name, site role, etc.). These values are obtained from a database after the user has been authenticated, based on the username. What I'm having problems with is getting at this username from the FormsAuthentication cookie.
After I authenticate the first time, I setup my cookie this way:
[Code]....
I have tried getting at the Username utilizing the User prinicipal, but it just returns blank.
We have a link in our site that pin points to sharepoint documents and we are retreiving some documents files (*.doc). Our sharepoint uses IWA (integrated windows authentication) which is prompted if we're trying to access that documents, unfortunately we don't want to prompt that window to authenticate the user. We need is to create a username and password and authenticate it. how can we do that.
Note* we have 2 server one for our application and the other one is for sharepoint.
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.
I'm not sure how much of a novice-level question this is. But it seems a fairly basic and common task. So here goes...
I am building a web application that will require some pages, but not all, to use a SSL (https:). How do I designate a particular page to be one or the other? Or do I need to create two separate projects and just have them pass the user back and forth as needed?
I am using Visual Studio 2008, with the Web Site Administration Tool handling users and roles. However I will also be handling very secure data such as social security numbers and the like.
I have found that eventually the login control I place on my page will not authenticate. The solution appears to be to delete it and replace it with a new instance. Obviously this is not tenable. Can someone enlighten me as to why it might stop working for no apparent reason such that simply deleting it and putting a new instance in place will restore functionality? Update: I find it very sensitive. I just did the above described action, got it working again, found that the Authenticate event was no longer properly wired and tried to fix it by removing the '1' from the Authenticate1 in this line. That was sufficient to kill the control which required me to once again delete it and replace. I cannot believe the login control is that sensitive or no one would touch it. What gives?
I wish to obtain the domain SID from a user account that has been used to access my web page, but...
In some instances, you dont have access to the HttpContext object to call HttpContext.Current.Request.LogonUserIdentity.User.Value
All the static function is able to accept is a user-name as a string, and a domain-name as a string.
If the domain is left blank, it is amused that the user account name is within the same domain as the IIS server that the process is executing upon. :/
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.
I was wondering what the following error means: Login Failed. The Login Is From An Untrusted Domain And Cannot Be Used With Windows Authentication. Initially, when my application was much simpler, I had no permissions and roles and my authentication mode was set to "windows". Afterwards, however, I added authorization, changed the authentication mode to "Forms" and ever since, when I try to login, I get the error above.
