Date: Fri, 20 Aug 2004 14:01:26 -0400 From: Chuck Swiger <cswiger@mac.com> To: Wayne M Barnes <wayne@etaq.com> Cc: freebsd-questions@freebsd.org Subject: Re: dhcpd MAC filter Message-ID: <41263C76.7070102@mac.com> In-Reply-To: <20040820172222.GA65972@etaq.com> References: <20040820172222.GA65972@etaq.com>
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Wayne M Barnes wrote: > Is there a way to allow or disallow certain computers by their > MAC number? ipfw 2 supports firewalling by MAC address, so yes. > This ability comes with the software on my wireless access point, > but I prefer that my FreeBSD system hand out the IP addresses, > and I cannot find this MAC-filtering ability at man dhcpd. > > isc-dhcp3-server-3.0.1.r14_2 is my installed port. > Is there another dhpcd to try? You can specify MAC addresses in your DHCP config to reserve specific IP addresses for specific machines. I'm not sure whether there is a way to tell DHCP not to grant a lease to MAC addresses which are not found, but then, without using a firewall, someone could manually configure a foreign host to use the connection, regardless of whether they can get a DHCP lease. -- -Chuck
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