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| Subject: | RE: prohibiting visitors from connecting to network |
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| 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 networkWhat 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 fromreceiving anIP address, but I can find any information on implementing this.
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