[ksk-rollover] The risk of miscommunication
Geoff Huston
gih at apnic.net
Mon Aug 1 22:49:56 UTC 2016
Well its reassuring to observe that the 90 day key publication
period in the proposed KSK rollover plan meets this criteria
of being resistant to replay attacks.
Geoff
> On 2 Aug 2016, at 8:02 AM, Warren Kumari <warren at kumari.net> wrote:
>
> I wanted to quickly draw people's attention to a draft which Wes
> Hardaker and I recently wrote:
> Security Considerations for RFC5011 Publishers
> draft-hardaker-rfc5011-security-considerations-00
>
> This discusses the minimum time which a TA publisher must wait before
> they can assume that (online) resolvers have the new key.
> Many people (e.g in the above) assume that it is 30 days, but it
> actually significantly longer - 30 days + 3/2 sig + 2*TTL
>
> Assuming everyone has the new key before this time is dangerous...
>
> W
>
>
> On Mon, Jul 25, 2016 at 6:50 AM, Stephane Bortzmeyer <bortzmeyer at nic.fr> wrote:
>> The Yeti test bed is currently trying a second KSK rollover
>> <https://github.com/shane-kerr/Yeti-Project/blob/experiment-kroll/doc/Experiment-KROLL.md>
>> and there was a funny incident. A resolver admin, misinterpreting the
>> instructions, updated manually his config with the new key, despite
>> the fact it was still in AddPend state and not used for signing. Since
>> people have a tendency to make mistakes, I suggest to pay extreme
>> attention to the communication and documentation, when explaining
>> sysadmins what to do.
>>
>> _______________________________________________
>> ksk-rollover mailing list
>> ksk-rollover at icann.org
>> https://mm.icann.org/mailman/listinfo/ksk-rollover
>
>
>
> --
> I don't think the execution is relevant when it was obviously a bad
> idea in the first place.
> This is like putting rabid weasels in your pants, and later expressing
> regret at having chosen those particular rabid weasels and that pair
> of pants.
> ---maf
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