ASP to SQL

Question

ASP to SQL

Gary Andrade

Ten Centuries

Points: 1028
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January 22, 2004 at 1:40 pm

#85436

If have a ASP that connects to my SQL database. What is at risk. If the ASP passes the SQL account and password is it encrypted or does it send it clear text. Is it sufficient to lock down the ASP page so no one can view the SQL account & password. Looking for any words of wisdom on this subject or point me to some reading I can do on this. Thanks

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K. Brian Kelley SSC Guru Points: 114642 More actions · Answer 1

If you use SQL Server logins and connect to SQL Server without IPSec or SSL, then the password doesn't go across in plaintext, but it might as well. It's trivial to break. Windows authentication, on the other hand, doesn't send the password across.

You didn't indicate if your web server is facing the Internet or an intranet server. There is a substancial difference in risk as well as configuration. So it's hard to give you the "best" answer to your question without knowing for what purpose the web server will be used. I will say this, do not assume your ASP pages will be 100% safe. If you hard code a username/password in those pages, expect them to be found. This isn't to say it will happen. However, from a security perspective you always consider the worst. One of the things folks like to do with web servers is figure out ways to get them to reveal source code. SQLServerCentral.com isn't the forum for that, but you get the idea. So generally you want to use windows authentication (also known as integrated security) if possible. Here are some starting points:

INFO: Accessing SQL Server with Integrated Security from ASP

http://support.microsoft.com/default.aspx?scid=kb;EN-US;Q176377

HOWTO: IIS and SQL Server on Separate Machines with Trusted Connection

http://support.microsoft.com/default.aspx?scid=kb;EN-US;176379

ASP.NET Security Presentation (Good Points Applicable to Basic ASP):

http://cpd.ogi.edu/seminars04/hickmanseminar.pdf

SQL Server Security Presentation (from Microsoft):

http://research.microsoft.com/~jamesrh/TalksAndPapers/SQL_SecurityWebcast.ppt

Hope these help.

K. Brian Kelley
@kbriankelley

rschaeferhig SSCrazy Eights Points: 8776 More actions · Answer 2

You posted this question THREE TIMES! You will get better response if you're more careful to post a question only once. You got an answer from my on one thread, one from someone else on the second thread and a third answer here. If we had all seen each other's answers then some of what you got might have been different. The point is the collaborative nature of the forums. You can't collaborate if the question is asked three different times and people use three different threads to respond.

Gary Andrade Ten Centuries Points: 1028 More actions · Answer 3

Sorry for the multiple posts It seemed like some forums get a lot more traffic then others and I wasn't sure where to best post the question. Now I know, thanks for the feedback.

K. Brian Kelley SSC Guru Points: 114642 More actions · Answer 4

Hey Gary,

Generally most users hit Active Topics and see the list of all new topics. Therefore in the future you only need to post once. Someone will get to it!

K. Brian Kelley
@kbriankelley