Phil

Check out the directive statement "deny unknown-clients;" for the dhcpd.conf

http://www.isc.org/sw/dhcp


Greg Caetano
HP TSG Linux Solutions Alliances Engineering
greg.caetano@(protected)
Red Hat Certified Engineer
RHCE#805007310328754
-----Original Message-----
From: redhat-list-bounces@(protected)
Sent: Wednesday, February 20, 2008 4:59 AM
To: redhat-list@(protected)
Subject: dhcp config question

Hi All,

Running RHEL4 and wish to setup dhcpd. I have it runing ok but what I want to
do is set it up so that it doesn't just give away IP addresses freely. What
I want to do is only allow the hosts as specified in the host declaration to
get IP addresses. Because I only have a couple hosts to look after, I am
assigning IP's based on mac's; like so:

host shaka {
    hardware ethernet 00:48:54:8B:C5:38;
    option host-name "shaka";
    fixed-address 192.168.1.4;
}

Now I have 10 such entries in the dhcpd.conf file. If an unknown laptop/pc
plugs into the network I don't want the server to give out an address but
right now it does.

How do I stop from going so?

Thank you in advance,

Phil

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