Network security

Giganews Newsgroups
Subject: Network security
Posted by:  Chris Guynn (ChrisGuy…
Date: Mon, 21 May 2007

Here's my situation.

In normal operation, my windows network resides behind a reasnably robust
firewall.  I use static IP addresses throughout my organization for an extra
layer of security (no DHCP clients).  In addition, I have employed standard
windows best practices for security throughout my organization.  Because of a
special event being held on Tuesday and Wednesday of this week I have been
forced to activate a DHCP server and allow people to use my network for
Internet connectivity.

Is there any way that I can authorize the DHCP server to distribute DHCP
addresses and then block those addresses from being able to access any of my
network resources (outside of the firewall/router)?  I'm sure it goes without
saying that the information on my network is highly confidential.

Basically, here's what I need:

Maintain the current network topography (no time to implement new
Assign addresses through DHCP to random computers attaching directly to my
Block those Addresses from access to all network resources except the

Any help you can provide will be greatly appreciated.

By the way, I do have a reasonable understanding of technical items (MCSE
NT4), but I'm relatively new to the Windows 2000/AD world.

Chris Guynn