Binding DHCP server to one interface in multihomed machine

[Gerald Combs]

On Sun, 22 Dec 2002, Hanasaki JiJi wrote:

> For security, iptables out the other NIC anyways

Good point.  To do this, block inbound packets to port 67 on your outside
interface.  (If you block inbound packets _from_ port 67, your DHCP client
won't work.)

> Gerald Combs wrote:
> > On Sat, 21 Dec 2002 paul at kcnetcare.com wrote:
> > 
> > 
> >>Anyone help me with binding DHCP server to one interface?
> >>
> >>I'm using DHCP client on ETH1 and want to use DHCP server on ETH0.
> >>
> >>I've looked on the Internet but didn't find anything.
> > 
> > 
> > If you're using the ISC DHCP server (which ships with most Linux and BSD
> > systems) it's configured from the command line, e.g.
> > 
> >     dhcpd -q eth0
> > 
> > Configuring this varies from distribution to distribution.  Under OpenBSD
> > it's configured in /etc/rc.conf.  Under Red Hat it's probably down in
> > /etc/sysconfig somewhere.  I'm not sure about other systems.
> > 
> > 
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> 
>