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Is it possible to block dhcp requests/offers from clients with a specific domain suffix?

Posted on 2013-10-24
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Last Modified: 2013-10-29
Hi,

Is it possible to block dhcp requests/offers from clients with a specific domain suffix?

For example we have a public network and people keep physically plugging their corporate laptops into it and surfing the net.  We want to stop corporate machines from getting a DHCP address.  

We are currently using Windows 2003 Adv server for DHCP.

Many thanks
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Question by:dccinfrastructure
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gurutc earned 250 total points
ID: 39597304
You're going to need to add some additional security such as Radius/Internet Authentication Service to your environment.  DHCP can't do the job.

Microsoft has several guides:

http://technet.microsoft.com/en-us/network/bb545879

Good Luck,
-gurutc
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by:Gajendra Rathod
Gajendra Rathod earned 250 total points
ID: 39599610
Yes, it is possible use MAC Filtering in a Windows DHCP Server.
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Author Closing Comment

by:dccinfrastructure
ID: 39609283
Thanks we thought that would be the only way, I just wanted to check.  unfortunately I don't know the mac addresses and can't setup radius for this specific network so I will just continue to add clients to the dhcp deny list when I see them.
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