Question

how to prevent users from logging into individual Terminal Servers

Asked by: tamray_tech

We run a Terminal Server farm with several servers clustered together. I have a problem of users logging into specific servers, rather than the cluster. Is there a way to prevent this, but still allowing them to login to the cluster?

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Asked On
2006-10-13 at 20:44:48ID22024263
Tags

logging

,

prevent

,

user

Topic

Windows 2003 Server

Participating Experts
3
Points
250
Comments
11

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Answers

 

by: nitadminPosted on 2006-10-13 at 22:01:02ID: 17729497

Yes you can do this by creating security group and then adding users to the group. Once you do this use the security group to deny them access to the specific servers you don't want them to have access.

NITADMIN

 

by: tamray_techPosted on 2006-10-14 at 05:45:02ID: 17730317

So, by doing this, it will allow users to login to the cluster, but keep them from accessing individual servers?

 

by: PeteLongPosted on 2006-10-14 at 07:00:17ID: 17730509

If its just one server

On the server in question
Administrative Tools >Terminal Services Configuration >Click Connections
In the right hand pane RIGHT CLICK the RDP-TCP connector and select properties
On the permissions tab click "ADD"
Add your user/group in here and DENY access.

 

by: tamray_techPosted on 2006-10-14 at 09:54:07ID: 17731025

Will they still be able to login to that server via the cluster? That is what I need to do. I want the session manager to control what server people login to,  but keep people from logging into the server directly.

 

by: nitadminPosted on 2006-10-15 at 18:18:03ID: 17735895

A cluster will apear as one server, not as individual servers. So if you block access from server which is a member of the cluster, then you are blocking access to the whole cluster.

Please try it out and test it. See what happens.

Cheers,
NITADMIN

 

by: tamray_techPosted on 2006-10-15 at 18:21:48ID: 17735902

That is exactly what I DO NOT want to do! I beleive I have been clear about that.

 

by: nitadminPosted on 2006-10-15 at 18:23:51ID: 17735906

Then you have to break you cluster. This is the only way you will able to achieve what you want to do.

Cheers,
NITADMIN

 

by: hvymtl0u812Posted on 2006-10-15 at 19:52:12ID: 17736140

Is the server cluster behind a router/firewall?

One way to do what you're asking would be to use IP routing, and block incoming connections to the specific server addresses, while permitting the connections to the cluster address.  Would probobly be simpler than rebuilding the cluster.

 

by: tamray_techPosted on 2006-10-16 at 02:52:29ID: 17737417

No, it's all on a LAN. Maybe I could set up an internal firewall just for the LAN and point the workstations to it. I am mostly concerned with student computer labs. I could probably set up iptables to do this,  if I were to change the IP scheme so the new rules only affected them. It surprises me there is not a a way to do this through windows 2003 server, through group policies, etc....

 

by: hvymtl0u812Posted on 2006-10-18 at 20:15:23ID: 17763036

Once the user has a piece of information like a specific IP address and port/protocol, there's not much that can be done within windows.  Unless you were to do something like create a "connection.rdp" with the specific settings you want them to use, and save it to a share on the server (then you'd only have to change it once if you want to change it).  Then create a shortcut to that rdp file and push it out to the desktops (via login script or other method).  Then forbid the users via GPO from launching the MSTSC.EXE directly... make them use your shortcut.  (you could copy MSTSC.EXE and put it in the same share as the *.rdp file, apply the hidden attribute, then use a GPO software restriction policy to forbid access to %windir%\system32\MSTSC.exe

Remember to only allow the "apply group policy" permisison to the group of users you want to enforce this for, or the same policy will apply to you, and then you won't be able to use the RDPCLIENT normally either...

Hope this points you more in the direction you want to take.

(IP rules are probly easier to understand Lol..)

 

by: tamray_techPosted on 2006-10-24 at 11:06:57ID: 17797895

More complex than I hoped for, but it will accomplish what I need to do.


Thank you!

20120131-EE-VQP-002

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