Subject: Re: ARP problems.
To: Alan Barrett <apb@cequrux.com>
From: Paul Goyette <paul@whooppee.com>
List: tech-net
Date: 03/19/2004 15:16:30 
On Sat, 20 Mar 2004, Alan Barrett wrote:

> If you copy the remote MAC address from the incoming packet into the ARP
> table, instead of just assuming that the existing ARP table entry was
> valid, then you avoid that problem.

Unfortunately that opens the door for a spoofer to launch a denial-of-
service attack...