Re: Why no printk for duplicate IPs?
Alex Nicolaou (anicolao@mud.cgl.uwaterloo.ca)
Thu, 30 Sep 1999 08:58:43 -0400
Peter Benie wrote:
> Marc Merlin writes ("Re: Why no printk for duplicate IPs?"):
> > However, at least Solaris, Irix and 95/NT give you a warning when someone
> > steals your IP (at runtime, not ifconfig time).
> > I suppose they do an ARP request on their own IP after answering an ARP
> > request themselves, and watch for an answer.
> >
> > Any reason we can't do that?
>
> An alternative approach is to log when we receive a broadcast IP from an
> external interface which is apparently from one of our own addresses.
This is worth knowing, but your firewall configuration tools already let
you do this. Why add a new way to do the same thing?
alex
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