> -----Original Message----- > From: Chuck Swiger [mailto:[EMAIL PROTECTED] > Sent: Sunday, September 07, 2003 23:10 > To: Colin Watson > Cc: [EMAIL PROTECTED] > Subject: Re: Binding MAC to IP Statically > > > Colin Watson wrote: > [ ...rewrapped to 80-columns... ] > > Any way to bind a MAC address statically to an IP?. I wish > to do this to > > prevent a user from changing his IP address on the subnet, > so if he does he > > can't pass traffic. I have experimented with ipfw, but I > can't quite see how > > I could accomplish the binding of a IP statically to a > nic's MAC. Any ideas > > be appericated. > > IPFW2 lets you perform firewall actions on a MAC address, > rather than an IP. > > You can configure a DHCP server to staticly allocate an IP > address to that > machine via something like this in {/usr/local}/etc/dhcpd.conf: > > host pi.codefab.com { > hardware ethernet 00:00:00:00:00:00; > fixed-address 66.234.138.67; > }
Look for static arp. The basic idea is that you tell your interface to not use arp (see ifconfig(8) -arp) and give it a static binding of MAC addresses to IP addresses (see arp(8) -f). _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
