Re: Curious Security Behavior

From: Lanwench [MVP - Exchange] (lanwench_at_heybuddy.donotsendme.unsolicitedmail.atyahoo.com)
Date: 10/25/04


Date: Mon, 25 Oct 2004 09:39:19 -0400

mjs wrote:
> I am curious about a remote access behavior that I find puzzling.
> Why is it possible to remotely manage a computer (win2K) from a
> server (win2K3) without authenticating to it as long as the users
> name and password on the server "happen" to match a privileged one on
> the remote computer? This is true (maybe only pertinent) when the
> remote machine is not in the server's domain. When trying from a
> different PC (Win2K) also not in the domain to the target PC there is
> at least an authentication challenge of user name and password.
> Granted the likelihood is small of this happening but it does seem
> like strange/risky behavior. --- Mike

I may be unclear on exactly what you're asking or what your setup is:

If you have a domain controller, and try to manage workstation A which
belongs to the domain while logged into the server as an administrator, you
can do anything you like on workstation A because domain admins are members
of the local admins group on workstation A.

If workstation A doesn't belong to the domain, or isn't in a trusted domain,
you can't exactly "manage" it in ADUC on the server, but if the domain admin
account matches the local admin account on the workstation, it can be
accessed that way via the admin share(s) on the workstation. Note: you
really don't want your workstations' local admin credentials matching your
domain admin credentials anyway.



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