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Network Security Security-Basics
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RE: prohibiting visitors from connecting to network

Subject: RE: prohibiting visitors from connecting to network
Date: Sat, 22 Oct 2005 11:31:41 -0500
Why not limit DHCP to known MAC addresses. The administrative costs of this
might be pretty high at first, but you could eventually work out an
automated system for adding/removing machines. That's the only "free" option
that I can think of.

Even then, though, I believe you can spoof MAC addresses so...

-----Original Message-----
From: Alexander Suhovey [mailto:asuhovey@mtu-net.ru] 
Sent: Thursday, October 20, 2005 2:01 PM
To: 'Cesar Diaz'; security-basics@securityfocus.com
Subject: RE: prohibiting visitors from connecting to network

What I'm looking for is a way to secure DHCP so that only our 
laptops/workstations can get a DHCP address.
I was thinking of something like EAP used for remote access with 
certificates to keep computers without a certificate from 
receiving an 
IP address, but I can find any information on implementing this.

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