Re: Accessing ActiveDirectory through LDAP with .NET

From: Paul Clement (UseAdddressAtEndofMessage_at_swspectrum.com)
Date: 12/22/04 

Date: Wed, 22 Dec 2004 08:08:19 -0600

On Tue, 21 Dec 2004 17:16:52 -0600, "Tim Mavers" <webview@hotmail.com> wrote:

¤ I am trying to determine the best way I can authenticate against an
¤ ActiveDirectory using LDAP with .NET. I need to use LDAP because I need to
¤ authenticate across the Internet.
¤
¤ Right now I have code that authenticates (e.g. I pass username/password to
¤ it) via NTLM but the problem is I am accessing this via a domain user
¤ account that has access to the domain controller (e.g. it's the account that
¤ IIS is running under).
¤
¤ Obviously this doesn't work over the Internet and the only temporary
¤ solution is for my client to set up a VPN and have a trust relationship,
¤ which is really not something they want to do.
¤
¤ I read somewhere (brief blurb) that I could access this information via
¤ LDAP.
¤
¤ Essentially I am building sort of a single-sign on application where the
¤ user enters their name/password in my app and it is authenticated against an
¤ ActiveDirectory instance.
¤
¤ Any ideas on how I can do this in a secure manner over the Internet without
¤ the need for a VPN?

It isn't clear to me what type of application this is but you may want to take a look at the
following:

HOW TO: Authenticate against the Active Directory by Using Forms Authentication and Visual Basic
.NET
http://support.microsoft.com/default.aspx?scid=kb;en-us;326340

Paul ~~~ pclement@ameritech.net
Microsoft MVP (Visual Basic)

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