From: Stephen Hemminger <shemminger@linux-foundation.org>
To: Topher Fischer <javert42@cs.byu.edu>
Cc: Chris Friesen <cfriesen@nortel.com>, netdev@vger.kernel.org
Subject: Re: ARP Spoofing
Date: Wed, 2 May 2007 17:16:19 -0700 [thread overview]
Message-ID: <20070502171619.020a4def@freekitty> (raw)
In-Reply-To: <46392281.8040909@cs.byu.edu>
On Wed, 02 May 2007 17:45:05 -0600
Topher Fischer <javert42@cs.byu.edu> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Chris Friesen wrote:
> > Vlad Yasevich wrote:
> >
> >> If by arp spoofing you mean receiving arp replies from multiple
> >> sources and
> >> trusting all of them, then I haven't seen anything.
> >>
> >> I don't know the history as to why nothing has has been done.
> >
> > This concept is a valuable tool to allow for fast publishing of IP
> > address takeover in redundant-server situations.
> >
> > There are ways in which it can be misused, but that doesn't make it an
> > invalid technique.
>
> I don't think it would be too difficult to preserve this kind of
> functionality while improving security. Is this really the only reason
> why nothing has been done to protect machines from ARP spoofing?
>
Surely, you can do what you want with netfilter/arptables.
--
Stephen Hemminger <shemminger@linux-foundation.org>
prev parent reply other threads:[~2007-05-03 0:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-02 17:44 ARP Spoofing Topher Fischer
2007-05-02 18:55 ` Vlad Yasevich
2007-05-02 20:39 ` Chris Friesen
2007-05-02 20:45 ` Vlad Yasevich
2007-05-02 23:45 ` Topher Fischer
2007-05-03 0:16 ` Stephen Hemminger [this message]
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