Re: Errata for RFC4862

otroan@employees.org Mon, 09 January 2017 12:52 UTC

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Subject: Re: Errata for RFC4862
From: otroan@employees.org
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Date: Mon, 09 Jan 2017 13:51:54 +0100
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References: <CAO42Z2xH9wqXKFjtAbv6isQ3cG1=FNUmkNFq2DGJdqj9BFDVaQ@mail.gmail.com> <E459F5B0-D088-4D74-B92A-9A8671249716@employees.org> <7294d455-f526-6832-be62-b5a2d1473b7e@si6networks.com>
To: Fernando Gont <fgont@si6networks.com>
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Fernando,

>> The current text is crafted both to allow renumbering and to support
>> scenarios where the RA lifetimes are short. I.e. under two hours. 
>> Your proposed changes appear to lock the lifetimes to no less than
>> two hours. Is that correctly understood?
>> 
>> Btw, this might not be appropriate for an erratum, but I do also
>> think we should revisit this behaviour. 
> 
> +1.
> 
> Note, however, that there are other values to be sanity-checked in a
> similar way.

Quite possibly. For this particular one it is arguable of its value though.
If the attacker is controlling a node on a BMA link you have a problem regardless.

O.