Re: Pseudorandom Flow Labels

John Leslie <john@jlc.net> Wed, 06 April 2011 20:42 UTC

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Date: Wed, 6 Apr 2011 16:44:24 -0400
From: John Leslie <john@jlc.net>
To: Fernando Gont <fernando@gont.com.ar>
Subject: Re: Pseudorandom Flow Labels
Message-ID: <20110406204424.GG24474@verdi>
References: <BD901061-96AC-4915-B7CE-2BC1F70861A5@castlepoint.net> <201104052036.p35KaoHV019253@cichlid.raleigh.ibm.com> <4D9CAF52.9050805@gont.com.ar>
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Fernando Gont <fernando@gont.com.ar>; wrote:
> 
> * We want Flow Labels that unpredictable by off-path attackers (history
>   has taught us that this is a good proactive measure)

   I'm afraid I don't follow: what sort of attack could an off-path
attacker mount by correctly guessing the Flow Label?

--
John Leslie <john@jlc.net>;