R: Active Directory password external use

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Date: Thu, 1 Sep 2005 09:29:29 +0200
To: "Rodrigo Blanco" <rodrigo.blanco.r@gmail.com>

Hi

as far as now I had some applications I wanted to make work with AD
authentication to simplify user's day by day work. Actually my issues was
for Linux based systems and web applications (not running on IIS) that
needded to authenticate users againist AD domain. If you consider that there
are many programs supporting Active Directory authentication, there are many
more that supports LDAP authentication methods. AD is an LDAPv3 tree. I have
worked on few helpers for internal use (such as for Squid and for web
applications) that tries to bind to the LDAP tree using the given
credentials (passed via a web form or via an external call from programs).
If the binding was successfull, access is granted and the user can log in.
No double user repositories, no need for replicating or capturing the
passwords as they are changed on the domain. Furthermore, what happens if
the user account is locked for security reason? i.e. the account expires,
user is forced to change his password, account is locked? You will need to
synchronize such information as well.

All this, as usual, IMHO.

Best regards,

Sebastian Zdrojewski
Senior System & Network Administrator

Tel: +39 02.62.610.317
Mobile: +39 347.6079.096
E-Mail: sebastian.zdrojewski@technomind.it

TECHNOMIND S.p.A.
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> -----Messaggio originale-----
> Da: Rodrigo Blanco [mailto:rodrigo.blanco.r@gmail.com]
> Inviato: mercoledì 31 agosto 2005 8.27
> A: focus-ms@securityfocus.com
> Oggetto: Active Directory password external use
>
> Hello list,
>
> I am currently doing a project that requires using the Active
> Directory users' password for other purposes other than just
> workstation logon or share access.
>
> What I would need to do is detect password change / reset
> events on the domain, capture the new password and send it to
> another application. This could be done with an agent or
> daemon running on the DC machine.
>
> The question is, when a users' password is changed /
> resetted, is it possible to externally capture this event and
> make use of the password before it is stored in a
> non-reversible format inside the active dir.?
>
> What security implications would this have, and what security
> measures would you propose for such an agent?
>
> Thanks in advance for your help and best regards, Rodrigo.
>
> --------------------------------------------------------------
> -------------
> --------------------------------------------------------------
> -------------
>
>
>

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