SUSER_SNAME() In Windows Intranet App
Oct 19, 2006
I've just broken out in a bit of a cold sweat on reading a couple of other posts in here...
My scenario is that I've developing an intranet only application which will use Windows authentication at the back end, with users allocated into several NT groups (Users, Managers, PowerUsers, Admin etc) and given permissions to the appropriate stored procedures/ views. Windows security will also be used on the front end, so that less privileged users won't be able to see web pages or their menu entries. I'm assuming this is a common scenario and have been blithely developing away without giving much extra consideration to it. However, I'm using SUSER_SNAME() in some of my procs and triggers to record who updated or inserted records. From what I've read, it appears that this function will only return the ASP.NET user, not the Windows NT username of the person under a Windows authenticated ASP.NET application. Is this correct? If so, does all the security have to be scripted in the front end, and given that triggers don't take parameters, how can I supply a trigger with the actual name of the person who made the change.
Apologies if I have the wrong end of the stick, I have no way of actually testing the security out at present as I'm working from home, but this is quite alarming, as you can imagine.
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Mar 31, 2006
Hi--
I am building an intRAnet website using windows authentication for website access and SQL Server access ( Trusted_Connection = true ).
In IIS I have these settings:
Allow Anonymous = unchecked (false)
Windows Authentication = Checked (true)
Digest windows = checked (true)
In my Web.Config file:
authentication="windows"
impersonate="true"
allowusers="*"
When I pull up the page these are my credentials:
Security.Principal.Windows: mydomainmyuserid (this is correct what it shows on my page)
Me.User.Identity: mydomainmyuserid (this is correct what it shows on my page)
Threading.currentThread.currentUser mydomainmyuserid (this is correct what it shows on my page)
So the ASP.NET page recognizes it is me and my domain. However, when i click a button to pull some data from a database I get the error message: Login failed for user '(null)'. Reason: Not associated with a trusted SQL Server connection.
My data access on SQL Server works fine. The weird thing is when I debug on my machine it pulls data fine. but when I copy the files to the windows 2003 server it doesn't work.
Do i have to do something with delegation?
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Oct 13, 2005
which one should I use to record update made by users
suser_sname() or Current_User?
Current_User
System_User
User_Name
Suser_Sname()
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Dec 8, 2007
Hi,
I am using Sql Server 2005 as the database management and Access 2003 as the front-end. In the database, I intend to give different views of tables to different users. That's why I used suser_sname system function, which returns the windows login id and authenticates users to see different records in the same view. What I want to do in Access is, allowing some specific users to be able to do update, insert and delete operations through a form based on this view (which only depends on 1 table). However, Access tells me that "the recordset is not updateable". In order to be able to change records, I tried to create new index for the view in Sql Server, which failed giving "Sql Server, Error number:1949" and telling me that it fails since suser_sname yields non-deterministic results. The strange thing is that when I open VB Editor in Access and write a simple update code within this form, it updates both the view and the table in the database. My question is: How can I do update, delete and insert operations on the form directly? Is there a way to do the authentication without using a nondeterministic function in Sql Server or using the front-end Access 2003? Maybe a function similar to the current_user function in Access can do that, I don't know.
It's been a long question but I desperately need the answer. Any thanks will be appreciated.
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Dec 8, 2007
Hi,
I am using Sql Server 2005 as the database management and Access 2003 as the front-end. In the database, I intend to give different views of tables to different users. That's why I used suser_sname system function, which returns the windows login id and authenticates users to see different records in the same view. What I want to do in Access is, allowing some specific users to be able to do update, insert and delete operations through a form based on this view (which only depends on 1 table). However, Access tells me that "the recordset is not updateable". In order to be able to change records, I tried to create new index for the view in Sql Server, which failed giving "Sql Server, Error number:1949" and telling me that it fails since suser_sname yields non-deterministic results. The strange thing is that when I open VB Editor in Access and write a simple update code within this form, it updates both the view and the table in the database. My question is: How can I do update, delete and insert operations on the form directly? Is there a way to do the authentication without using a nondeterministic function in Sql Server or using the front-end Access 2003? Maybe a function similar to the current_user function in Access can do that, I don't know.
It's been a long question but I desperately need the answer. Any thanks will be appreciated.
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Mar 5, 2004
Dear all,
I am trying to make a Intranet connection with SQL 2000 and ASP,
but a serious problem in connection string. Please can you help me in this issue
I am using following connection string.
(windows authontication)
Set conn=Server.CreateObject("ADODB.Connection")
conn.Mode=adModeReadWrite
conn.Open="PROVIDER=SQLOLEDB;Integrated Security=SSPI;Initial cataloge =nrth;DataSource=server"
System dsn =nrth
server name =server
This string makes following error
Microsoft OLE DB Provider for SQL Server error '80040e4d'
Invalid connection string attribute
//global.asa, line 17
Microsoft OLE DB Provider for SQL Server error '80040e4d'
Invalid connection string attribute
/test2.asp, line
can you correct this or suggest a valid connection string
Thank you
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Jul 29, 2004
How can I connect to SQL server on intranet using VB.NET??
I am unable to do that using system DSN.
can anyone tell how to do that either through DSN or anyother way.
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Sep 21, 2004
Hi all!
I have msde2000 on one machine. want to connect to it from other machine. both machines are connected via a switch with integrated firewall.
Do I need to set up this firewall to enable connections? Like opening ports for msde in the virtual servers settings of the firewall?
If I do this, will that make my sql-server visible and accessible to the internet?
Or should I be able to find my sql server without such steps. And if so how?
networking is up and i can access folders of both machines via the intranet. Is that enough or do i need more settings here?
Let's say the machine and thus the server is called Alpha. What goes into my connectionstring from the other machine?
this wont be enough, right?
strconn = "Provider=SQLOLEDB;" & _
"Data Source="Alpha";"
Please shed some light on these questions.
tia
Kuma
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Jul 23, 2005
Hi guys,I've created a web application using ASP together with SQL Server asour db source, running through IIS 6 on a Winows Server 2003 platform.This application retrieves a list of customer codes from our db, sorecords returned could be as many as 2000+ for any single transaction.The application runs fine for users from the same state. However, ourinterstate colleagues have notice that it takes more than 3-4mins forthe page to load, while it only takes me < 2secs to load.Our intranet server is located in the same state as I, so anyone fromwithin this state has no problems loading the page. All other statesare finding it unbearable.I've done some debugging, and it appears to be a server factor.I saved the page with the longest list to a local drive and opened itlocally in IE and it loads quickly.Does anyone have any suggestions as to how to speed this application upfor our interstate users?Any ideas would appreciated.Thanks,Shawn
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Dec 28, 2007
hi. I am struck at the connection string for the mssql 2005, with the reference from connectionstring.com information.
Basically i am trying to make web form page and upload to hosted server. so that public will fill up and submit. It will communicate with our intranet server with mssql 2005.
I had try out the form and submit, but it is not working, either our database had not receive yet.
Code
sSQL = "INSERT into users_tbl (name, email, comments) values ('" & _name & "', '" & email & "', '" & comments & "')" 'define the connection string, specify database'driver and the location of database
sConnString = "Driver={SQLServer}; SERVER=202.63.128.69; Port=1433; DATABASE=test; UID=testname; PASSWORD=testpw;"
Code
I had googled for help and found no answer for this, i wonder if it is possible? Assume i allow all the database to be remoted.
Cant figure it out and turn to this website for help hopefully.
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Nov 20, 2007
I am developing a web application on my XP machine using ASP.NET 2.0 and SQL Server 2005 Express. I have SQL Server 2000 running on my Server 2003 machine but I want to test my application using 2005. If I install 2005 Express on my 2003 server, am I going to be able access it from my XP box?
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Jan 19, 2007
I have a DTS package that I am calling in my code-behind (vb) of one of my asp.net pages on my intranet. The package takes a FoxPro table that is on our network and inserts it into a SQL Server table in one of our databases. The package gets called and executed properly when I am working on it in development on my local workstation, but when I publish it to our intranet, which is in the same domain and behind the same firewall, the package does not execute. No error shows up on the published page, but also nothing gets executed. Has anyone encountered this? Here is my code, which is pretty straightforward:
oPkg = Server.CreateObject("DTS.Package")oPkg.LoadFromSQLServer("[servername]", "sa", "[password]", DTSSQLStgFlag_Default, "", "", "", "Invoice Import")oPkg.Execute()
Any help would be appreciated. Thanks.
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Aug 2, 2007
hi.
I would wish to know whether it is possible for me to program the code from html or aspx ( from web hosting server ) to our office intranet database which is window server 2005?
I had tried to google for more info but there are too complicated thing for me to understand.
Actually i am doing the web form feedback form from the website for the public to fill in and submit. i am using the mysql from web server to store the records from the feedback form.
We have another database in our server, ms server 2005 to store records in the intranet office only. i need to get the records from mysql to intranet database. i don`t think there is a automated scripting which allow u to auto update the intranet database from mysql( web server )
So i thought of one thing . program html or aspx to insert records directly to our database intranet . but how ?
I appreciated that.
Regards
newbie on aspnet.
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Feb 16, 2004
Hi
Whats the best way to display data on company intranet or web
where they can make little choices also ( say between date so and so)
some thing like a report, with charts etc
with some graphical easy to learn language
I have strong knowledge of SQL and ok with HTML
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Sep 26, 2007
I need to connect to a sql ce data file via Intranet .
Does sql ce support that ?
When I attempt to connect that remote file, it show me the error message
"There is a file sharing violation .A different process migth be using this file".
Does this mean , I can not do this .
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Jan 2, 2008
If we decide to make Report Manager the UI facing both internet and intranet users, but prefer that our intranet users not face the performance hit created by SSL, and prefer that SSL be turned on for internet users, what options do we have for configuting our RS environment if all users ultimately use the same reports and we wish to keep number of licenses at a minimum?
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Mar 27, 2008
Error!!! 1>Cannot open database "intranet" requested by the login. The login
failed.Login failed for user 'RAGHAVEN-71AF9BASPNET'. Error!!! 2>
An error has occurred while establishing a connection to the server.
When connecting to SQL Server 2005, this failure may be caused by the fact that
under the default settings SQL Server does not allow remote connections.
(provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL
Server) These both errors r coming simultaneously when start to debug only when i tried to retrive data from database ,
from past two days not able to work on database,plz
help me in solving this ,i tried everything what i know and even on
experts advice from recommended websites, forums and on google search..
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Jul 16, 2007
Hi,
Currently, our Report Builder is running on Local Intranet mode. I'm investigating what the security implications are in changing it to Internet mode. However, I've not been able to find any documentation on this.
Does anyone know of any documentation that addresses this issue or have experience that they can share with changing Report Builder security zone from Intranet mode to Internet mode?
Thanks very much.
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Dec 12, 2007
Is it Possible adding Windows (activi directry users) from SQL Server which is running Windows authotication.?
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Jun 23, 2006
I am attempting to write a Windows service that watches a database for uploaded files to import. When a new file is found, the corresponding SSIS package is run from the file system with variables passed through. I started development as a Windows app and copied the functionality to a service.
The app runs fine. The service does not. I get a "Failure" each time a package is executed. Everything is identical behind the scenes with the obvious exceptions that OnStart and OnStop handlers are buttons in the app. I added a script task at the beginning of one of the SSIS packages to notify me that it is even running at all. It doesn't even hit that initial task.
Again, the app will run all packages just fine. The data is imported and the results return as "Success."
The following is the code executing the package. Any help is appreciated. I've been banging my head on this one for a few days now. (Is there a tag to format a code sample?)
Dim pkgLocation As String
Dim pkg As New Package
Dim app As New Application
Dim pkgResults As DTSExecResult
pkgLocation = sPackageFolder & PackageName & ".dtsx"
pkg = app.LoadPackage(pkgLocation, Nothing)
Dim vars As Variables = pkg.Variables
vars("ImportId").Value = ImportId
vars("ProductionServer").Value = ProductionServer
vars("ProductionDatabase").Value = ProductionDatabase
vars("SourceFileName").Value = FileName
vars("SourceFilePath").Value = FilePath
pkgResults = pkg.Execute()
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Apr 14, 2008
Long story short -
Have two C# applications - one WinForms desktop app, the other a WinForms smart device app. Both use SQL Server Compact CE 3.5 to store data locally. Both work just fine.
Now the desktop app needs to open and update the .SDF file that is stored on the Windows Mobile device. (Device will be docked via USB.)
What format would the path to the .SDF look like that the WinForms application would need to specify in order to open it?
Thanks for reading.
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Mar 26, 2008
Hallo there,
I just upgraded from Windows XP Pro to Windows Vista Bussiness and tried to reinstall SQL Server 2005 Developers Edition. After the installation i downloaded (using microsoft windows update) and installed all the service packs for sql and vista available.
My problem is when i open sql server management studio and try to connect to my default instance using windows authentication and database engine, an 18456 error occurs.
I enabled all the protocols and all the ports
I disabled windows firewall and antivirus (eset nod32)
I installed all service packs available
I have also installed Visual Studio 2005 without installing sqlexpress
But nothing happens!
Please i am very desperate, any information will be gratefully accepted.
This is my installation Information
Code Snippet
Microsoft SQL Server Management Studio 9.00.3042.00
Microsoft Analysis Services Client Tools 2005.090.3042.00
Microsoft Data Access Components (MDAC) 6.0.6001.18000 (longhorn_rtm.080118-1840)
Microsoft MSXML 3.0 5.0 6.0
Microsoft Internet Explorer 7.0.6001.18000
Microsoft .NET Framework 2.0.50727.1434
Operating System 6.0.6001
Thank you in advance,
Patonios
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Jul 20, 2005
Hi all,I have a Windows 2003 server, which is also a terminal server forapplication, with sql 2000 installed. My company has developed anapplication that uses SQL 2000 as its database. The application is aclient/server one. In each client computer there's a link to theapplication on the server. There is no problem with Windows 98,Windows 2000 pro, Windows xp pro clients, but the windows 95 onescannot log in to the database. The log of the application shows thefollowing error:connection error -2147467259. Cannot open database requested in login'database name'. Login fails.Till a week ago the application was running on a Windows 2000 serverwith SQL 2000 install and the W95 clients had no problem connecting tothe database, so my guess is the error has something to do withWindows 2003 server, but what'causing the error?I tried to install a newer version of MDAC (MDAC 2.5, the last versionof MDAC you can install on W95)but with no success. By the way W95clients have no problem accessing shared folder on the Windows 2003server.Any idea?ThanksMarino
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Does any one come across any difficulty in the following migration?
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DB: SQL Server 2K Standard Edition
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Thank you,
Gish
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How can I Port Driver and OAL code of Windows CE 5.0 to Windows CE 4.2?
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May 25, 2001
We just moved the back end of an Access db to an SQL server and upgraded to Access 2000. A strange problem has arisen. The execution of a query in a certain function seems to be causing the function to prematurely terminate (that is, the query does not complete, and the function does not execute beyond the execution of the query). This error occurs only on workstations loaded with Windows 98. Windows 2000 users are unaffected, and the function runs uninterrupted. The query in question contains date parameters. On the SQL server, dates are enclosed in single quotes (')'s, whereas in Access they are enclosed in pound signs (#)'s. When a query is sent by Access to the SQL server, it is filtered through a program that converts the Access format to SQL-friendly code. Our theory is that this process fails to occur on the machines running Windows 98. Does anyone know why this is occuring?
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Oct 12, 2004
We have an installation of MS SQL Server (MSDE actually) runnning on a group of Windows 2k machines. Due to IT constraints at the customer site, we are using Windows authentication, but it is all done with local user accounts, not domain accounts.
We have the same user account witht he same password locally created on each machine. This works fine with all the Win2K machines (not the best solution, but under the client's insane IT department, it's all we were allowed to do).
The problem is that we tried to add an XP machine. While we can connect to a DB running on a 2K machine from the XP workstation, the XP system will not accept connections from the 2K systems. We have done a little research and think we have found out why- the 2K systems are sending usernames for authentication, but the XP is looking for the UID- which is different on every system.
We cannot go to SQL authentication, and we cannot use Domain authentication. Is there a way to change XP to authenticate from username instead of UID?
Thanks!
Jed
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Oct 24, 2006
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