RE: [ActiveDir] Unauthorized DHCP Requests

[Joe L. Casale]

Yea, it’s ugly as heck to manage though. Mac reservations for all, but anyone can spoof that if they have a wit. Your problem is a common one, but not a simple one.   If you hear of a slicker solution then that, pray tell!   jlc   From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Edwin Sent: Thursday, September 09, 2004 4:21 AM To: [EMAIL PROTECTED] Subject: [ActiveDir] Unauthorized DHCP Requests   Our domain is using a Win2K3 server which is also a domain controller as its DHCP solution.  Often I look at the DHCP tables and notice that there are unauthorized machines that connect to our network.  This seems to occur from employees who bring in their laptop during the weekend when the workload is light and management does not have as much a presence.   The workstations within the domain all follow a naming scheme.  For example, ORL-RM3-204-2 which means, the server is located in Orlando, physically located in Room3, desk number 204 and the number of times that that particular workstation has been replaced.   So if I see a workstation in the DHCP tables that does not follow that naming scheme, then I know that something else has managed to get an IP Address from the network.   Is there a way to prevent unauthorized machines from retrieving an IP address?  If so, is there also a way to make an exception to the rule should a non-standard naming convention machine require authorized access to the network?   Thank you all for your replies.   Edwin