From: Patrick Nixon (PNIXON@ci.somerville.ma.us)
Date: Tue Apr 17 2001 - 10:39:59 CDT
Yeah we did, and it's a valid concern, but it's a necessary evil in my
environment. In my mac administration I did some decent data checking to
limit the possibility of errors. It's not foolproof (as I found out) but it
is decent.
--Pat
-----Original Message-----
From: Steve Hideg [mailto:hideg@saintmarys.edu]
Sent: Tuesday, April 17, 2001 10:39 AM
To: netreg@southwestern.edu
Subject: Fwd: RE: NetReg: Students with more *THAN* one computer
>
>This would defeat the purpose of netreg: self-service DHCP
>registration. If you have to enter a MAC address in some
>database/file for netreg to check, you might as well be editing
>dhcpd.conf yourself.
>
I should also add that this would re-introduce the error-prone human
element of entering MAC addresses that netreg so elegantly eliminates.
(Didn't we talk about this before, Patrick? :-)
++Steve
>
>At 9:26 AM -0400 4/17/01, Patrick Nixon wrote:
>>While my reasoning for the solution was different from the one you have
>>below, you could build in a MAC Checking routine to only allow certain MAC
>>Addresses to register on the network. This is something a large amount of
>>cable companies do for their cablemodem networks. While it does add some
>>overhead to the registration process, it is feasible and would limit the
>>accessibility of other users ports. While it is possible for another
>>student to register a machine for the multi-pc'd student, the amount of
>>effort for calling up the Campus IT department is usually beyond most
>>student's time or effort.
>>
>>Now, I don't work in the campus environment so my point of view may be
>>askew.
>>
>>--Patrick
>>
>>-----Original Message-----
>>From: Nick Ciesinski [mailto:fletch26@charter.net]
>>Sent: Monday, April 16, 2001 11:48 PM
>>To: netreg@southwestern.edu
>>Subject: NetReg: Students with more then one computer
>>
>>
>>We have it set up right now that some of our buildings have just enough
IP's
>>to cover each port, but not any more then that. The problem is that some
>>students are bringing more then one PC to school with them (if not 3!).
We
>>want to have it so a student can not have a 2nd PC in the room to help
>>reduce the possibility of exhausting the available IP's in a subnet. Does
>>anyone know a way that this can be done?? I know I can only let a user
>>register once, but what's to stop the user from walking down that hall and
>>asking someone without a computer for them to register the machine for
them.
>>I am looking for a way that the user can not bypass the restriction. I
was
>>thinking something with SNMP but couldn't think of anything that may work.
>>I figured I would ask you to see if anyone else has any ideas.
>>
>>Thanks,
>>
>>Nick Ciesinski
>>University Wisconsin Whitewater
>>Residence Life Computing
>>
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