How to make ipfw consider MAC-IP match?
Igor Pokrovsky
ip at doom.homeunix.org
Tue Feb 15 09:49:58 PST 2005
On Mon, Feb 14, 2005 at 04:18:47PM -0600, Chris Dillon wrote:
> >(i did not undestrand, how i somebody can match mac and ip with
> >static arp except that he actually get the physical NIC from
> >somebody's computer).
>
> Because you can change the MAC address of your NIC to match someone
> else's very easily. Here's how in FreeBSD:
>
> ifconfig fxp0 link 00:11:22:33:44:55
>
> It's that easy...
It's not that easy. Not all cards support MAC address change.
And even if a card support this, it is not always possible to do this
with ifconfig.
-ip
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