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From: Andi Kleen <andi@firstfloor.org>
To: Mark Smith <lnx-netdev@95022607b6285f9c5d5ea31ea9d8a7ac.nosense.org>
Cc: netdev@vger.kernel.org
Subject: Re: [RFC, PATCH 2.6.29.2] Ethernet V2.0 Configuration Testing Protocol, revision 20090428
Date: Mon, 04 May 2009 11:29:55 +0200	[thread overview]
Message-ID: <87tz41gqr0.fsf@basil.nowhere.org> (raw)
In-Reply-To: <20090428220143.31395c24.lnx-netdev@95022607b6285f9c5d5ea31ea9d8a7ac.nosense.org> (Mark Smith's message of "Tue, 28 Apr 2009 22:01:43 +0930")

Mark Smith <lnx-netdev@95022607b6285f9c5d5ea31ea9d8a7ac.nosense.org> writes:
> +
> +4. Security
> +
> +ECTP was designed in the early 1980s, when protocol security was less of
> +a concern than it is now. Consequently, there are some features of the
> +protocol which could be abused for nefarious purposes. By default, this
> +implementation attempts to avoid participating in them. These features
> +could be useful for some test cases thought, so they can be enabled if
> +required.

I think security would need quite a bit more discussion. Opening new
DOS this way sounds quite worrying, especially since this is a
extremly obscure protocol that likely most admins don't know much
about.

Is this suspencible to ping to broadcast flood replication for example?

Safest would probably be default to off.

-Andi


-- 
ak@linux.intel.com -- Speaking for myself only.

  parent reply	other threads:[~2009-05-04  9:29 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-28 12:31 [RFC, PATCH 2.6.29.2] Ethernet V2.0 Configuration Testing Protocol, revision 20090428 Mark Smith
2009-04-28 23:15 ` Stephen Hemminger
2009-04-29 11:34   ` Mark Smith
2009-04-29 18:57     ` Stephen Hemminger
2009-04-29 21:29       ` Mark Smith
2009-04-29 21:35         ` David Miller
2009-04-30  9:36           ` Mark Smith
2009-04-30  9:42             ` David Miller
2009-04-30 10:39               ` Mark Smith
2009-04-30 11:03                 ` David Miller
2009-05-04  9:29 ` Andi Kleen [this message]
2009-05-05  7:51   ` Mark Smith
  -- strict thread matches above, loose matches on Subject: below --
2009-04-30 11:16 Mark ZZZ Smith

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