Date: Fri, 31 Dec 1999 14:11:43 -0500 From: Mitch Collinsworth <mkc@Graphics.Cornell.EDU> To: Fernando Ariel Gont <fgont@softhome.net> Cc: DRHAGER@de.ibm.com, freebsd-net@FreeBSD.ORG Subject: Re: ARP makes a LAN "vulnerable"? Message-ID: <199912311911.OAA04394@benge.graphics.cornell.edu> In-Reply-To: Message from Fernando Ariel Gont <fgont@softhome.net> of "Fri, 31 Dec 1999 00:19:14 -0300." <.19991231001314.009e7780@pop.softhome.net>
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>I didn't mean to have two machines with the same address. I meant that I could > use ARP so that the IP address of a given host is translated to the hardware >address of MY host. In that way, the packets that someone wants to send to the > former host, would go to MY host, instead... Yes, but only for hosts on your local LAN, not beyond the closest router. And the other host will still be ARPing it's own address at the same time, so you will end up confusing the other system over which is the right MAC address for that IP. Then your local network administrator will come visit and cut your fingers off. -Mitch To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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