Security With Web-based Access
Jul 20, 2005
First of all, I have never done any web-based stuff, so if the
following sounds ignorant, it's because I am!
So far all our SQL Servers are accessed only over our network and we
use Windows authentication. Now the guy I'm working with on the
design of our next stuff wants the two new databases (a transactional
one and my data warehouse) to be additionally accessed by web-based
applications via our company intranet (NOT THE INTERNET). How do we
authenticate under these conditions? The webserver machine will be
talking to the SQL Server ones, i.e. the databases will each be on the
their own separate boxes. Can the webserver be a "user"? If so,
and we want the actual users to have different privileges, then the
web-based apps have to manage that? Or is there a way for the
web-based apps to grab the Windows user and pass it to SQL Server?
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Feb 15, 2009
We have a new Win 2008 Enterprise x64 server running SQL 2008When we try to connect to the server using Windows Authentication, from a user account which is a domain administrator, we get the following message:"Token-based server access validation failed with an infrastructure error"What needs to be configured here for this to work ?
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Oct 14, 2005
Hello there I have trying to figure out for days how to enable FullTrust for my Reporting Services security extension.
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Feb 15, 2008
Hi,
We are currently developing a crm that has the following main tables: client, sales, actions, contacts and employees with up to 4 million records. The db contains several other tables with extra information but these aren't relevant for this problem.
Clients have sales, contacts and actions. sales and actions can have seperate contacts as well, and contacts can be related to employees in a way.
Offcourse a security model was implemented but this only provides the option to hide or show all the records of these main tables. Now people noticed that it is a must to let people see for example only companies they created or do sales with. In other words access must be given at a record level.
The first thing that pops in my head is to create a client_security, sales_security, ... table that contains the employee_id and client_id or sales_id, or ... And add a join with one of these security tables for each select that is executed.
I wonder (because of the huge amount of data) if there isn't a better way to get this done?
Another possible issue that came to mind was, that when some data doesn't need protection or some people have the rigth to see everything, we would have to create the records in the security table anyways, resulting in probably hundreds of thousands of records.
Feedback on our solution (if we can call it that allready), or even keywords to find more about this issue via google (record based security really isn't the best description I guess) are most appreciated.
thx in advance.
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Jul 3, 2007
Hi,
I wonder if SQL Server 2005 supports row based security?
I need to set some users to see data filtered by a specific field and value...
Example: User XPTO only sees data about vendor code = '123'
Is this possible in the box?
Best Regards,
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Jan 16, 2007
I am attempting to set up a new user that has only the ability to run reports in the report manager.
I have created a new ActiveDirectory entry for DOMAINReportUser. I have a created a new folder with the reports, and have set this user as a Browser role on this directory, and all reports in the directory.
I have made it throught the security maze to gain access to these reports as this user, but I cannot dynamically run the reports. As the BUILTINAdministrator (content manager), I get a grayed background on the parameters and can run the reports. As this DOMAINReportUser, I get what looks like HTML parameter items, and cannot run a dynamic report. Even if I change the role of this user to Content Manager, I still cannot run a dynamic report.
How do you properly set up a user to be able to dynamically run, and only run, a report in Report Manager, and have this user only see reports in a single folder?
I have been fighting the security issues of creating a RS site and properly setting up access, and have yet to find a single site or person explaining the entire process in any coherant method.
Mark
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Sep 20, 2015
There is a STIG Check that does not allow grant "Connect SQL" directly to any logins except SQL System and the SA account. My way of resolving this is to do the following:
Step One:
We create a Server Role called SQL_APPLICATIONS – for the application accounts
We create a Server Role called SQL_DBA – for the DBA accounts
and give them direct “Connect SQL’ server permissions. MAKE THE ROLE OWNER = sysadmin (group)
Note: I think that creating a Server Role is only available starting with SQL Server 2012, but not sure. I am using SQL 2012
Step two:
I add the members (Logins - SQL & Windows) – in this case any application accounts and DBA accounts to the new roles respectively
Step three:
I remove the “Connect SQL” Permission from each Login
The first problem i noticed is that the maintenance plans failed with "The owner domainusername of job db_backup does not have server access.I am currently using a test system and wondered If you think I will have trouble with the application connecting when I try and implement on the production systems.
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Jun 29, 2007
Hi All,
I have a report running and I am attempting to assign role based security. I added a group to the site level security. The group I added contains child groups. It doesn't seem that report server is looking into the child groups to see if the logged in user is a member of the child group. Is there anyway to get this to work instead of adding all the groups directly? I suspect that report server is using cominterop and cominterop is not traversing the directory tree?
Thanks,
Darren
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Feb 7, 2006
From Books Online Help:
In the role-based security model that is implemented for Reporting Services, users who are assigned to the Content Manager role can create and edit reports in Report Builder. Local administrators are automatically assigned to this role.
If you want other users to be able to work with a Report Builder report, you must create a role assignment for them that includes the default role "Report Consumer." Alternatively, you can create a custom role definition. As long as the customized role includes the "Consume reports" task, users who are assigned to that role will have sufficient permission to create and modify reports using Report Builder
---------
However, when I try to give a contact those rights, the "Report Builder" link still does not show up for my users. Is there any other place where I can examine the security rights to see why the Report Builder permission is not granted to my users?
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May 17, 2006
I am currently developing a project that requires a server level permission for one stored procedure (ALTER ANY LOGIN)
To this effect, I plan to create a certificate, sign the stored procedure with it, import the certificate into the master DB and assign privileges.
I also understand that modification to the code invalidates the signature (after all thats the point of signing something).
But what about user defined functions and stored procedures referenced by the signed procedure? Does SQL server follow the dependancy chain and include referenced procedures in the signature? Or does the privilege assigned to the certificate not apply when the nested procedure is executed?
If this is not the case couldn't a restricted database user just alter a nested stored procedure they have been granted ALTER access to and make themselves SA or something?
So to sum up, do you have to duplicate the functionality of otherwise nested procedures into a certificate signed procedure to protect server security?
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Apr 21, 2006
HiI need to set security for row level but not based on Database user'slogin. It should be based on the user table login. For the particularuser I need to allow only the particular records to access insert,update delete and select.Let me explain clearlyFor example think we are using asp/asp.net websiteEg:www.test.comSo take this is our website and if you try this URL then you will get awindow for Login name and password.For example the Login name is windows user name (Here windows usermeans server windows user and not client) and windows password. So ifyou have login user id you can able to login in our site and we haveanother check. We have our own usertable this table consist all theuser login names and user rights. We will check the windows user whologin in our site has rights in the usertable I mean he is present inthe usertable if he is not present then we will display a message youhave no rights to access this site.If he has login id in our usertable then he allowed viewing ourpages. Still if he has the login id we will check the user who loginhas how much right to access to each page and the records of each tableits all depend on the user rights.So, here I need the row level security. For each and every table weneed to check the corresponding user and executing the record producelot of business logic problem for us.So after the user login we need automatically to set row levelsecurity for all the tables. Based on the user who login.So from there if we try select * from <tablename> then we can only ableto get the allowed records to select, insert, update, delete.Please can some one help how to solve this?Note:For some help you can refer the below URL (See in that they only givenabout the row level and column level security for each database usersnot for our required concept)http://www.microsoft.com/technet/pr...5/multisec.mspxThanks in advanceRams
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Oct 2, 2015
I have a business requirement to build a tabular data model, where I need to mask information of other Agents from a given Agent but I still need to show the overall sales of the given product.
For eg: IF an Agent is in APAC region he should see APAC region sales and also should be able see the sales of the same product in other region without knowing region specific break down.
For Agent "Tom" in APAC region, the numbers will look like this
APAC_Sales = 100,000
Other_Sales = 500,000
And if "John" is in NA region, then the number will look like this for him
NA_Sales = 200,000
Other_Sales = 400,000
I wanted to create "Roles" based on the Region, so all the agents belong to "APAC" region will have same view as Tom and "NA" region agents will have John's view.
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Jan 3, 2006
Applied Access security feature to a database using its Security Wizard. Procedure went smoothly.
Been developing a software using VB 6.0 using an Access database as the main data source. Haven't had any problem manipulating the database via VB, but recently attempted to modify the database structure via Access, but was unable to do so, because either my username or password is allegedly invalid. Tried all passwords I can recall, but unable to get through. Haven't been able to create a new database, either.
Development of the software and creation of the Access database is being done on a stand alone laptop, that may or may not have been a workstation in a network.
Any help to resolve this issue would be appreciated.
Napatan
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Aug 24, 2006
I would like some clarification please...
I have setup Windows Authentication to SQL2005 using a group with a default database. The group has access to the default database.
Now it's my understanding, if I have a user that's a member of the group, idividual access does not need to be setup to connect to SQL Server. Users connect on the credentials of the group... Is this a correct interpretation??
Ex: Windows groupname = SQLConnect Default db = Anydb
Anydb has groupname SQLConnect connect permissions
Windows username = test1 (is member of SQLConnect group)
Problem: test1 trys to login but gets an error that they can't connect to default db...
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May 11, 2007
Hello,
I'm new to ASP, but developping in Sql for years.
What we would like to have is that the user is accessing the database over it's own Windows Logon. Our triggers log quite some changes and are using UserName() for this. I've treid to force the IIS to accept Windows Integration only, the SqlDataSource users a connection that has Integrated Security = True. But when connection to the site i'm gatting error that there is no trusted connection for the user . (dot) ...
I suppose i'm missing something but could you give me a hint where to start looking..... THX
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Aug 22, 2001
In the process of reviewing all Security access into our production servers, I found a user login name of 'BUILTIN/Administrators' with the type 'NT Group' in our production DB. I am not sure whether this Login was setup automatically when SQLServer was installed or it was setup by the administrator, who is no longer with the company? I was able to find out all the users in the Administrators NT group, but what threw me was the word 'BUILTIN' . Are there other Logins besides 'sa' that get setup during the install?
Thanks.
Helen
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Jan 26, 2001
I am using Access 97 as a front end to access SQL 7 server on NT 4.0 server.
I've set up security model based on NT authentication only. Users have login right to login to SQL and they have public & dataread & denydatawrite access. They also have SELECT permission on a table object and have no permission to INSERT, DELETE and UPDATE.
When I use Access 97 to access a database, users are still capable of inserting and deleteing records in tables.
Am I doing something wrong?
Thanks, Michael.
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Jan 20, 2004
I HAVE CREATED A SECURITY DATABASE USING A NEW WORKGROUP FILE WITH A NEW MDW FILE NAME. THE DATABASE ITSELF CONTAINS SEVERAL GROUPS OF USERS AND SEVERAL USERS. THE DATABASE WORKS AS DESIGNED.
THE PROBLEMS IS IF I OPEN THIS DATABASE USING THE SYSTEM.MDW FILE, THE DATABASE OPENS AND GIVE ME COMPLETE ACCESS TO EVERYTHING.
CAN ANYONE EXPLAIN WHAT IS HAPPENING.
ANY HELP WILL BE APPRECIATED
THANKING YOU IN ADVANCE
JOSEPH FORD
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Mar 22, 2007
How do I grant admin access to a windows account withou having them a part of the administrators group...
I need to give a user access to every report on the server and the ability to administrate the application side of the server but I cannot give them Administrative access to the machine as a whole. I added the user to the system administrators role in team services but this did not allow here to see all the reports. How does she get access to all the reports without being in the Windows local Administrators group?
Thanks
Chris
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Mar 27, 2007
I need a simple way of capturing who updated what in an Access database.
User wants to know for each field in each table.
I think it's to much for Access to handle.
Any ideas?
A.
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May 4, 2007
I'm creating an app that will connect to a central sql server 2005 (hosted on a Win2003 server with Windows Firewall on). I added sqlservr.exe and sqlbrowser.exe to the firewall exceptions to allow for remote connections. Now, an admin I know is telling me that this is not secure and we must configure those 2 exe's to only be accessed by certain IP addresses. I want to make sure the database is very secure, but this sounds like overkill. ??
Questions:
Is this necessary (to limit access to these 2 exe's to certain IP addresses)?
How would I be able to distribute my application to different users if this is so?
How can I make sure that the SQL Server won't get "attacked" or "hacked"?
Mel
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Mar 9, 2007
Hi,
Im developing an application in Visual Web Developer with an MS SQL Server Database.
I have Visual Web Developer Express edition installed on my machine and i had MS SQL Server 2005 Express Edition and everything was fine.
However i need to use SQL Server Agent to develop a job and this is not included in the express Edition of Ms SQL Server 2005 Express Edition.
So i installed the 2005 developer edition of MS SQL Server.
Now Im currently getting the following error when i access the security page in the ASP.Net Configuration page
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: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)
Anyone tell me how i can fix this error?
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Jun 22, 2000
What kind of permissions do you need to be able to run a job created by another user or sa if you are not the job owner and don't have any sys admin priveldges??
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Dec 7, 2000
Does anyone know of a component or other mini application that can be run on the IIS server and allow IIS to access SQL Server 7 databases using Trusted Security.
Our security unit has required us to run SQL Server with Trusted Security so changing to Mixed mode is not an option. We are also not allowed to use Basic Authentication for Active Server Pages with IIS. IIS and SQL server are also on different machines.
We are looking into the possibility of trying to create a component that would run on the IIS machine to allow us to use Trusted Security to the SQL Server (in effect try to make it work the same way that the Cold Fusion product does).
Any help would be really appreciated.
Thanks
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Jun 8, 2007
Is there a way to implement Access-like password protection on a SQL Server Express dataset?
The database will be deployed on individual's PCs with no centralization of control. I want to restrict users from being able to see table definitions, stored procedures, etc. Access-like password protection is what I want, but I don't see any similar feature within SQL Server Express. Am I missing something?
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May 4, 2006
Is anyone familiar with how to enable remote access to SQL Server 2000? ...and what are you security issues surrounding this?
Any help appreciated.
Adamus
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Jan 16, 2008
Ok, I know it's a really basic question but I'm hoping someone will humor me. Not being a database expert I am wondering what the basic security differences are between a SQL server db and an Access db. What makes SQL a more secure choice for confidential information over Access.
I know from a useability SQL is the better choice being a multiuser access platform but I am not familar with security mechanisms employed.
I appreciate any info on this.
Thank you.
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Jan 17, 2008
I installed SQLE 2005 on vista home prem, and when I go to the studio and attempt to create a database, I get the message below. I am running under an admin account, but the system sees me as a standard user.
Do I need to re-install and tell the system to allow me to log on via. an ID/PW?
Is there a vista patch?
Should I re-install XP?
Also, not having this issue with the same SQLE version and an XP machine.
Thanks
TITLE: Microsoft SQL Server Management Studio Express------------------------------Create failed for Database 'test'. (Microsoft.SqlServer.Express.Smo)For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&ProdVer=9.00.3042.00&EvtSrc=Microsoft.SqlServer.Management.Smo.ExceptionTemplates.FailedOperationExceptionText&EvtID=Create+Database&LinkId=20476------------------------------ADDITIONAL INFORMATION:An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.Express.ConnectionInfo)------------------------------CREATE DATABASE permission denied in database 'master'. (Microsoft SQL Server, Error: 262)For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&ProdVer=09.00.3042&EvtSrc=MSSQLServer&EvtID=262&LinkId=20476------------------------------
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Dec 1, 2006
I get the following error message when i click the Security tab on my websites' Administration tool. All the other tabs are working properly.
There is a problem with your selected data store. This can be caused by an invalid server name or credentials, or by insufficient permission. It can also be caused by the role manager feature not being enabled. Click the button below to be redirected to a page where you can choose a new data store. The following message may help in diagnosing the problem: An error occurred during the execution of the SQL file 'InstallCommon.sql'. The SQL error number is 1802 and the SqlException message is: CREATE DATABASE failed. Some file names listed could not be created. Check related errors. Cannot create file 'C:SAFETYDATABASEAPP_DATAASPNETDB_TMP.MDF' because it already exists. Change the file path or the file name, and retry the operation. Creating the ASPNETDB_652db56c1d7d4c9f94da67107d9c917a database...
Any help is appreciated.
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Apr 6, 2000
I am using mixed security on the SQL server and have an NT group 'NT_GROUP'.
The login for 'NT_GROUP' has been added to SQL server and has been explicitly granted access to only one database.
Using access database project (ADP), a user in the group is able to gain access to other databases (master, tempdb, msdb, etc.) as well.
It is very important to be able to prevent this access.
Thanks in advance for your help.
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Jan 23, 2004
Hi, this is my first post (hopefully of many) on this board. Just wanted to say a quick hello before I dive into my question. :)
As the title suggested, I have to develop a MS Access form app (yes, it has to be Access - I know it sucks) that will post and query data to and from a remote SQL Server db. While I have no problem linking the two through the default ODBC drivers, my question is security. Some (actually most all) of the data being passed back and forth is sensative information, and I would like to know the best way to keep it safe.
If anybody has any suggestions, instructions, or can redirect me to a good FAQ site on the subject, I would be most appreciative. I have already done a search on these forums for an answer, but have sadly come up short.
Thanks to all in advance!
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Sep 25, 2015
I am getting the following message when trying to connect to a database (from an external application) that I have recently restored using my profile (Windows Authentication):
Connection failed:
SQLState: '01S00'
SQL Server Error: 0
[Microsoft][SQL Server Native Client 11.0]Invalid connection string attribute
Connection failed:
SQLState: '08004'
SQL Server Error: 4060
Server rejected the connection; Access to selected database has been denied
Connection failed:
SQLState: '28000'
SQL Server Error: 18456
[Microsoft][SQL Server Native Client 11.0][SQL Server]Login failed for user 'xxxxaaaa'.
My profile (replaced with xxxxaaaa) has full access to the server and I can connect to every other database with no issues. I get exactly the same error if I try and connect using the SQL Authentication "sa" profile as well.
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Jul 28, 2006
I want to Access External resources inside the CLR Code... But I am getting Security Exception
I have marked Assembly with External Access... here is the way I am doing..
I read articles and MSDN .. everywhere is written to use impersonation like
using (WindowsIdentity id = SqlContext.WindowsIdentity)
{
WindowsImpersonationContext c = id.Impersonate();
//perform operations with external resources and then undo
c.Undo();
}
In above case .. I tried both Windows Authentications and SQL Authentications ...
In case of Windows.. I am have a domain login to logon to my pc, while sql server is at another machine and Active directory is at different machine .. when connect to Database .. it says cannot find user Domainnameuser
and the SqlContext.WindowsIdentity is always null or it has exception User.Toked thew Security exception.
After that .. I tried to user custome Identity .. using IIdentity =GenericIdentity("UserName","Windows");
But there is now difference .. still same exception .. as given below..
[Microsoft.SqlServer.Server.SqlProcedure]
public static void MyProcedure()
{
Process[] p = Process.GetProcessesByName("YPager"); //Yahoo messanger exe .. a process
p[0].kill();
}
A .NET Framework error occurred during execution of user defined routine or aggregate 'MyProcedure': System.Security.SecurityException: Request failed.
System.Security.SecurityException:
at System.Security.CodeAccessSecurityEngine.ThrowSecurityException(Assembly asm, PermissionSet granted, PermissionSet refused, RuntimeMethodHandle rmh, SecurityAction action, Object demand, IPermission permThatFailed)
at System.Security.CodeAccessSecurityEngine.ThrowSecurityException(Object assemblyOrString, PermissionSet granted, PermissionSet refused, RuntimeMethodHandle rmh, SecurityAction action, Object demand, IPermission permThatFailed)
at System.Security.CodeAccessSecurityEngine.CheckSetHelper(PermissionSet grants, PermissionSet refused, PermissionSet demands, RuntimeMethodHandle rmh, Object assemblyOrString, SecurityAction action, Boolean throwException)
at System.Security.CodeAccessSecurityEngine.CheckSetHelper(CompressedStack cs, PermissionSet grants, PermissionSet refused, PermissionSet demands, RuntimeMethodHandle rmh, Assembly asm, SecurityAction action)
at DatFileGenerator.StoredProcedures.'MyProcedure'()
.
No rows affected.
(0 row(s) returned)
@RETURN_VALUE =
Finished running [dbo].['MyProcedure'].
How could I go ahead... what I should do to accompilsh the task...
Kindlly .. suggestions and ideas..
Thanks,
Muna
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