Date: Tue, 15 Feb 2005 20:45:04 +0300 From: Igor Pokrovsky <ip@doom.homeunix.org> To: Chris Dillon <cdillon@wolves.k12.mo.us> Cc: freebsd-stable@freebsd.org Subject: Re: How to make ipfw consider MAC-IP match? Message-ID: <20050215174504.GA1295@doom.homeunix.org> In-Reply-To: <20050214161017.G42760@duey.wolves.k12.mo.us> References: <200502142022.j1EKMl5R092740@lurza.secnetix.de> <20050214145543.L42760@duey.wolves.k12.mo.us> <024501c512e0$aa382e30$0c00a8c0@artem> <20050214161017.G42760@duey.wolves.k12.mo.us>
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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 -- On a beautiful day like this it's hard to believe anyone can be unhappy -- but we will work on it.
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