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Re: [secdir] Secdir review of draft-ietf-roll-trickle-mcast-05

Michael Richardson <mcr+ietf@sandelman.ca> Wed, 27 November 2013 13:41 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Donald Eastlake <d3e3e3@gmail.com>
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References: <21133.64571.158642.421795@fireball.kivinen.iki.fi> <23760.1385513833@sandelman.ca> <CAF4+nEEQ+LGEXa5Lc2L5TB_bW6Fo67N-usLRyd7Sv-r4wGsrsg@mail.gmail.com>
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Date: Wed, 27 Nov 2013 08:41:24 -0500
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Cc: draft-ietf-roll-trickle-mcast.all@tools.ietf.org, "iesg@ietf.org" <iesg@ietf.org>, "secdir@ietf.org" <secdir@ietf.org>
Subject: Re: [secdir] Secdir review of draft-ietf-roll-trickle-mcast-05
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Donald Eastlake <d3e3e3@gmail.com> wrote:
    > On Tue, Nov 26, 2013 at 7:57 PM, Michael Richardson
    > <mcr+ietf@sandelman.ca> wrote:
    >>
    >> Tero Kivinen <kivinen@iki.fi> wrote:
    >> > ...
    >> ...
    >> > The protocol has no protection against this attack, but notes that
    >> > both of those are denial-of-service attacks and devices can protect
    >> > against them by using link-layer security mechanisms. It also claims
    >> > that those mechanisms are typically employed without specifying which
    >> > security methods it is pointing to. I do not know how often those
    >> > link-layer security methods are really used. Perhaps it would be
    >> > useful to list some of those security methods here.
    >>
    >> At this pointin LLNs, use of layer-2 security *ONLY* is pretty much 100%.
    >> It's "WEP" == Wired Equivalent Privacy.

    > Are you talking about 802.11 WEP?

No. I'm using a generic term.
It's like WEP == if a host has the key, it can do anything, assume any role
with any authority it likes.

--
]               Never tell me the odds!                 | ipv6 mesh networks [
]   Michael Richardson, Sandelman Software Works        | network architect  [
]     mcr@sandelman.ca  http://www.sandelman.ca/        |   ruby on rails    [



--
Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
IETF ROLL WG co-chair.    http://datatracker.ietf.org/wg/roll/charter/

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