Re: Why no printk for duplicate IPs?

Rogier Wolff (R.E.Wolff@BitWizard.nl)
Wed, 29 Sep 1999 16:38:21 +0200 (MEST)

Alan Cox wrote:
> > On the other hand, someone should still take the time to modify
> > "ifconfig" to send out one or two ARPs for our OWN IP address, and if
> > they get answered, it should not allow the ifconfig to complete
> > (without the operator specifing something like --force).
>
> That becomes a denial of service attack like the Macmasher which simply
> sits on a network claiming each appletalk address is used. 100% mac
> free networks.

If someone on your net is catching your ARPs for you, how much service
do you expect?

I thought that it was better to break outright, than to create a
situation that sometimes becomes flaky.

If your "hacker" ends up being too late for 90% of the arps, the
system might even seem to work a bit.....

Roger.

-- 
** R.E.Wolff@BitWizard.nl ** http://www.BitWizard.nl/ ** +31-15-2137555 **
*-- BitWizard writes Linux device drivers for any device you may have! --*
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