Re: How to deny a computer from joining the network
- From: "Doug Sherman [MVP]" <dsherman@xxxxxxxxxxxxxxxxxxxxx>
- Date: Mon, 18 Apr 2005 14:56:48 -0400
Any computer physically connected to your network can get an IP address from
your DHCP server. This has nothing to do with user accounts - I can log
onto my laptop as a local user with a user name of King Arthur and the
computer will still get an IP - in fact, it will get an IP regardless of
whether I ever logon. You could create a reservation for every MAC address
on your network and then exclude all other possible addresses in the scope.
However, even that would not prevent a rogue machine from having a manually
configured compatible address.
MS DHCP is pretty much an all or nothing deal; it does not have the
capability of blocking machines from obtaining an address. Rumors are that
Longhorn or other MS beta projects may provide this capability.
Doug Sherman
MCSE, MCSA, MCP+I, MVP
"TM RSR" <TMRSR@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:4F6331CE-40DF-49C7-8D3F-9899A5EC0E29@xxxxxxxxxxxxxxxx
> Hi,
> While reviewing DHCP scope, I noticed an unidentified computer. And
although
> I deleted the connection, it reappeared. How can I find the user account
> logged into that computer and better still, deny a computer from joining
via
> mac address.
> Tom
.
- References:
- How to deny a computer from joining the network
- From: TM RSR
- How to deny a computer from joining the network
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