Security Question - SQL Server 2005 Express - List Of Allowed IP Address's

Aug 2, 2007

 Hi All,

I have noticed in the database logs that someone is trying to log
into our SQL Server express databases, is there a way of allowing only IP
address on a list to access the database. We really only need the local machine
and the office using SQL Express management studio to access the database.

I would appreciate any help sometimes the database runs very
slow and we do not know what is causing this.

We are running server 2003 and SQL Server express.

Thanks in advance.

Lee

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CONNECTION STRING TO A REMOTE SERVER WITH SQL EXPRESS 2005, FIXED IP ADDRESS

Jan 28, 2008



I'M HAVING AN ISSUE, UNDERSTANDING, THE CONNECTION STRING.
I WANT TO CONNECT TO AN INSTANCE OF SQLEXPRESS ON A REMOTE SERVER WITH A FIXED IP ADDRESS
THE TCP PORT IS OPEN TO 1433
I OPENED THE PORT ON THE ROUTER AND THE WINDOWS 2003 FIREWALL

MY CODE IS AS FOLLOWS:
S = "Provider=SQLNCLI;"
S = S & "DATA SOURCE=44.66.777.888,1433SQLEXPRESS;"
S = S & "INITIAL CATALOG=TESTDB;"
S = S & "Persist Security Info=false;"
S = S & "UID=TEST999;"
S = S & "Pwd="TEST999888;"
CnMgt.ConnectionString = S
CnMgt.Open S

I'VE FOLLOWED THE STEPS OUTLINED IN ARTICLE 914277

CAN SOMEONE HELP?
THANK YOU


PS. IF THE CLIENT IS LOCAL, I HAVE NO ISSUE OPENING THE DATABASE.
I DO NEED TO OPEN THE DB FROM FROM CLIENTS.

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[URL]

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Aug 31, 2007

Hi,

I am trying to connect to SQL Server Express 2005 from a remote connection through the internet using an IP address in a string like this;

Data Source=190.190.200.100,1433;Network Library=DBMSSOCN;Initial Catalog=myDataBase;User ID=myUsername;Password=myPassword;

the error I am getting is this

A connection was successfully established with the server, but then an error occurred during the login process. (provider: TCP Provider, error: 0 - The specified network name is no longer available.)


anyone have any suggestions or maybe another way to achieve this type of connection?

Thanks,

Razzle

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Apr 28, 2006

I am having trouble to use SSMSE to remotely connect SQL Express server using IPs other than the base IP of the machine.

Machine settings:

(1) Has multiple IP configured. Those IP are accessible remotely

(2) Firewall is not on.



SQL Express server configuration:

(1) TCP/IP and named pipe are on



Browser service state:

(1) running

(2) listening at 0.0.0.0:1434 (UDP)



SSMSE connection results:

(1) with <baseIP><instance>, connects OK

(2) with <otherIP><instance>, connection failed.

Both connections use exactly the same authentication information.



Testing results using telnet:

(1) telnet <baseIP> 1434, OK

(2) telnet <otherIP> 1434, OK



Does SSMSE actually only listen on the base IP even it shows to listen on all the IPs?

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Thanks in advance,

Sean

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Virtual Server Name                                                   
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hi
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thanks

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Hi,I'm
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Aug 8, 2006

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Currently, if I run this query:

SELECT @@version

I get the following:

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Should I just go to this link and download & install the SQL Server 2005 Express Edition SP1:

http://msdn.microsoft.com/vstudio/express/sql/download/


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--------------
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thanks..
Here is my SQL..
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Edited the Rsreportserver.config file as following (by the instructions from MSDN)

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<RSEmailDPConfiguration>
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<SMTPServerPickupDirectory></SMTPServerPickupDirectory>
<SMTPUseSSL></SMTPUseSSL>
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<RenderingExtension>MHTML</RenderingExtension>
</EmbeddedRenderFormats>
<PrivilegedUserRenderFormats></PrivilegedUserRenderFormats>
<ExcludedRenderFormats>
<RenderingExtension>HTMLOWC</RenderingExtension>
<RenderingExtension>NULL</RenderingExtension>
<RenderingExtension>RGDI</RenderingExtension>
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I've built this prototype web app in asp.net 2.0



it uses a sql server express database.



It uses the database to populate a grid control.



It works when I run it from my pc when I

1). run it in debug mode.

2) right click a page in the vs2005 IDE and browse

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it doesn't work from other peoples PC on our intranet say if someone types:

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Server Error in '/FocusII_Website' Application.
--------------------------------------------------------------------------------

User does not have permission to perform this action.
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: User does not have permission to perform this action.

Source Error:

Line 82:
Line 83: SqlDataAdapter da = new SqlDataAdapter(sql, ConfigurationManager.ConnectionStrings["sqlExpress"].ToString());
Line 84: da.Fill(ds);
Line 85: RadGrid1.DataSource = ds;
Line 86: RadGrid1.DataBind();


Source File: c:InetpubwwwrootFocusII_WebsiteUnitGridPrototype.aspx.cs Line: 84

Stack Trace:

[SqlException (0x80131904): User does not have permission to perform this action.]
System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +437
System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +82
System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +105
System.Data.SqlClient.SqlConnection.Open() +111
System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +121
System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +137
System.Data.Common.DbDataAdapter.Fill(DataSet dataSet) +86
UnitGridPrototype.Page_Load(Object sender, EventArgs e) in c:InetpubwwwrootFocusII_WebsiteUnitGridPrototype.aspx.cs:84
System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +15
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +34
System.Web.UI.Control.OnLoad(EventArgs e) +99
System.Web.UI.Control.LoadRecursive() +47
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1061








--------------------------------------------------------------------------------


Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.0.50727.42



Impersonation is set to TRUE



Anonymous access is checked.

Integrated Windows Authentication is checked..



aspnet, iusr accounts have full privs on the data directory,,,,,



I'm at a loss..

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