Re: Preventing users from c onnecting to shares NOT on the domain..

From: Roger Abell (mvpNOSpam_at_asu.edu)
Date: 01/21/05


Date: Fri, 21 Jan 2005 01:37:49 -0700

Since IPsec policy is a computer policy I do not believe
that you can deliver that in a way that is sensitve to whether
the current login is a member of this "Restricted" group of
users that suffer the desktop restriction. If you apply an
IPsec policy to this OU it will have effect at bootup of a
machine in that OU and for all logins.

-- 
Roger Abell
Microsoft MVP (Windows  Security)
MCSE (W2k3,W2k,Nt4)  MCDBA
"Javier J" <no.mail@please.no> wrote in message
news:uAhzqhw$EHA.3256@TK2MSFTNGP11.phx.gbl...
> Hi!
>
> The servers might be located on the same subnet of some of the clients.
> Not sure about that, would have to check the precise topology.
>
> The idea is:
> These 30+ Client PCs should _only_ be able to access resources on
> computers located on the Domain.
>
> IIRC, all the servers are located on the same OU, but as for their IP
> addresses, I don't know if they're on the OU or not.
>
> To be more precise, the setup is as follows:
>
> + AD
>    - Users: Most users are placed on the default container
>    |
>    - OU=Restricted: Ou where we've placed the "secure" client PCs and
> related users.
>
> THe OU has two GPOs, one for "Machine" and one for user. The "Machine"
> GPO is set to apply to all Authenticad Users. The "User" GPO _only_ is
> applied to the members of a "Restricted" group.
>
> The users of the "Restricted" group "suffer" a desktop as locked down as
> I've managed to get (Redirected Folders, Roaming User Profiles deleted
> on logoff, no "All Users" programs and folders, etc). The _ideal_ setup
> would be one where the "restricted" can't connect to any non-domain PC,
> while a "normal" user doesn't have to suffer any more restrictions than
> necessary...
>
> The rest of the users/PCs on the domain should still be running "as is",
>   that's why I'm looking for policies / changes that can be implemented
> per-OU.
>
> Is this possible with the solution you suggest?
>
> Thanks a lot
>
> Javier J
>
> Miha Pihler [MVP] wrote:
> > Hi,
> >
> > Another question for you. Are servers on same subnet as clients? It
would be
> > a benefit it they were not.
> >
> > Yes Kerberos is domain wide but IPSec policy can be OU, Site or Domain
(just
> > like policies). So you can require IPSec for only a group of PCs (PCs
that
> > are in same OU). If you require this computers to communicate with other
> > computers (servers) in domain while this servers are not in same domain
some
> > small changes would be required on OU where servers are located. This
change
> > would tell the servers to respond to IPSec requests. This would not be
> > required if the servers are in their own subnet...
> >
> > Feel free to post back with any additional questions that you might
have. I
> > will do my best to answer them, but that might not be before some time
> > tomorrow. I have some work to do and get some sleep...
> >


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