Application Role Losing Connection?
Hi,
I'm testing the use of application roles for security. The customer I work for has still a lot of ASP intranet applications running. We're migrating the databases to a SQL Server 2005 server.
I've changed the connection string to a user without any permissions but to log on. After that I use an application role for permission to select different tables and to execute Stored Procedures.
The first queries do execute but after that I get "Permission denied", like I haven't got the application role anymore.
Any ideas?
Adrian
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Application On Start And Database Connection
Hello, I was wondering if someone could help me answer this question. If I had a site like Yahoo, that constantly had users accessing it. Would it be a good or bad idea to automatically open a database connection to SQL Server on Application Start? What would you recommend? Would opening and closing the DB connection on every page save alot of overhead and bottleneck? Thank You.
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Verifying Connection To 3rd Party Application
Is there a way that SQL can automatically look at each users'connection and make sure it is still connected through the third partyapplication? The problem is that when a connection to this applicationis not terminated properly, the SQL server is not notified of thedisconnect and the user cannot log back into the application until allthe processes are completed and the original session terminated.Thank you.
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Remote Connection In Sql Express While Run A EXE Application ?
I am getting this error "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)(Microsoft SQL Server,Error:2)" in SQL EXPRESS 2005 1.Just changing the service config settings that is TCP/IP to enable will it work?i changed i run my application but it didn't work they have written the code to the server(connection string to their server- if it was to common how to write the code ?) & is there any other changes ? 2.I have developed a VB.NET EXE file -In that application(inside the code) i am using run time connection string queries to connect to the sql server database & created run time tables. Suppose if i want to install the application to all clients/users how to Configure that application - self configuration/self installer to the installing machine SQL SERVER. How can i do this ? 3.Is there any way i can write config file for sql server along with exe application code ? How can i do this ? Pls answer with details/screenshots or diagramatical (if possible) pls reply asap Dotnetnewbie
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SQL Server Connection Redirection With VB6 Application.....!
I have VB6 application on several desktops connected to SERVER A (SQL Server 2005) in TESTING. I know I can change some registry values in VB6 application to connect it to SERVER B(SQL Server 20050 in PRODUCTION. but it is work on each and every desktop. Is there any way to do something on SQL Server 2005 Engine end (like Alias) so I don't have to make changes for SERVER Redirection in each and every Desktop machine(client), and Just I make change on SERVER Side. any help or idea on that? Thanks,
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Powerbuilder 9.0 Application Connection To SQL 2005
Hello- I have a Powerbuilder 9.0 front end application trying to connect to a SQL 2005 database. Now in my registry it looks like this DBMS =MSS Microsoft SQL Server 6.x DBPARM= PacketSize=2048,Log=0,AppName='AccessONE',Host='AccessONE' ServerName=a1prod First , is this possible to connect to SQL 2005 using the drivers from Powerbuilder or do I need to setup my own DSN in ODBC. If so what should my connect string look like to connect to SQL 2005 Any help would be greatly appreciated Shanon
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Maintain A Consistent DB Connection Through Application Lifecycle
Hey everyone, I'm new to .NET and I've recently inheirited a rather large and busy asp.net website. I was asked to add a testimonials section on each page that will randomly pull a testimonial out of the db. This is fine, however, I'm getting random errors about the DB connection either being closed or connecting. Here is the code for the testimonials class: 1 public SqlDataReader GetTestimonials(ref SqlDataReader reader, int iCatID, string sLanguageType)2 {3 SqlCommand cmd = new SqlCommand("sp_DVX_Testimonials_Fetch", Connection);4 cmd.CommandType = CommandType.StoredProcedure;5 6 cmd.Parameters.Add(new SqlParameter("@Cat_ID", iCatID));7 cmd.Parameters.Add(new SqlParameter("@LanguageType", sLanguageType));8 9 reader = cmd.ExecuteReader();10 11 return reader;12 } I know this isn't the best way to do this (especially for each page[this site averages about 1000 hits a day]), so I was wondering was--is there a way to maintain a single DB connection that's set up in the Application_Start that will maintain the connection so I don't have to worry about this error. If not, does anyone and any ideas as to what would help? Thanks in advance!
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Connection Pooling From Multiple Application Instances
Hi, I am using the following connection string in my sample data access application packet size=4096;user id=sa;data source="ServerName";persist security info=False;initial catalog=DB1;Pooling=true;password="";Min Pool Size=10 I launch two application instances and this is what I observe. I am using the same connection string for all data loads. --When I execute two select commands from the same application (Instance1) I see only 10 DB processes in the Activity Monitor -> Process Info Page. --When I execute two select commands from the two instances of the Application (Instance 1 and Instance 2) I see 20 DB processes in the Activity Monitor -> Process Info Page. So my question is shouldn't usnig connection pooling with the same connection string create only 10 DB processes rather than creating 20, although I am executing the select from two different Applications using the same connection string.
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Application Connection String Using Windows Auth
OK We have always used sql servwer login to the servers for all our applications for out intranet apps And we use windows auth to do development So when we do that we logon to wuindows, and then just connect, with no password required But how does an application "logon" to connect to a database Is it just in the connection string just like sql server auth or is it different?
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Application Roles In SQL 2000 & Connection Pooling
Hi All Application roles again, We have a system that uses Application Roles to connect to the database, because it is a WEB based application it was advantageous for us to use Connection Pooling, the knowledge base article Q229564 suggested that a workaround was to not use resource pooling with application roles. However we found another work around which on reflection was exploiting a security hole. What we did was wrap every SQL statement with a SQL check for the application role as follows if USER_NAME() <> 'approle' EXEC sp_setapprole 'approle', 'thepassword' The SQL Statement This solution does have an increased workload on SQL server in doing the check for every SQL statement, however its performance is orders of times faster that getting a new connection every time from the database as suggested in the KB article. Obviously this is a security breach as it is possible (Although very difficult) for someone to gain access to a pooled object and automatically have access to the database in the application roles Security context. So SQL Server 2000 has rightly removed this possibility, and it basically means that the application no longer works with SQL2000. So the obvious solution seems to be to drop the use application roles in order to port to SQL 2000. However I will need to justify this to the business as the initial motive for using Application Roles was so that the application needed two passwords to access the data. The two passwords are independently controlled hence no one person has full access to the system. We are now faced with the reality that application roles and connection pooling are not designed to work with one another, Our application has to have good performance, scalable yet secure, from my point of view we need connection pooling more than application roles I would like to port our application to SQL2000, so I will need a solid reason for dropping application roles, performance and scalability are good reasons but I will need to back them up. Does anyone know of some good articles that could backup my reasoning, perhaps some of the folks inside MS can provide some insight as to why the application role connection pooling was patched up for SQL 2000, something documenting a security breach with application roles would be great. If need be I have a simple application that demonstrates the problem, I could send to anyone that is interested. Thanks Martin Atkinson Senior Support Analyst Datacom Services Auckland New Zealand
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