arpwatch on *nix, or netdisco on *nix On Tue, Jan 27, 2009 at 10:39 AM, David Lum <[email protected]> wrote: > What would be easier is a mechanism to let you know "Hey, new MAC address on > the network" for which there are numerous tools for that. > > David Lum // SYSTEMS ENGINEER > NORTHWEST EVALUATION ASSOCIATION > (Desk) 971.222.1025 // (Cell) 503.267.9764 > > From: Joe Heaton [mailto:[email protected]] > Sent: Tuesday, January 27, 2009 10:30 AM > To: NT System Admin Issues > Subject: RE: Managing DHCP > > > > That's what I thought…more work than is justifiable, and it pretty much > negates the purpose of DHCP… Thanks Matt. > > > > Joe Heaton > > Employment Training Panel > > > > From: Matthew Bullock [mailto:[email protected]] > Sent: Tuesday, January 27, 2009 9:53 AM > To: NT System Admin Issues > Subject: RE: Managing DHCP > > > > A lot of managed switches allow you to limit which MAC addresses are allowed > on the network. That would be the most secure way. For DHCP, you could > create reservations for all the devices on your network, and for IP's not > used, enter a dummy MAC as a placeholder. Someone would be able to get > around this by manually entering an IP address though. > > > > mb > > > > From: Joe Heaton [mailto:[email protected]] > Sent: Tuesday, January 27, 2009 9:44 AM > To: NT System Admin Issues > Subject: Managing DHCP > > > > Is there any way to have DHCP only give out addresses to known devices? > Last week we had a mysterious network/workgroup appear in Network Places. > My thought is that someone brought in a personal laptop and connected it to > the network in order to get internet access. Is there anyway to not allow > this? > > > > Joe Heaton > > AISA > > Employment Training Panel > > 1100 J Street, 4th Floor > > Sacramento, CA 95814 > > (916) 327-5276 > > [email protected] > > > > > > > > > > > > > > > > > > > > > > > >
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