Re: [Ntp] New rev of the NTP port randomization I-D (Fwd: New Version Notification for draft-gont-ntp-port-randomization-01.txt)

Harlan Stenn <stenn@nwtime.org> Wed, 29 May 2019 08:30 UTC

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From: Harlan Stenn <stenn@nwtime.org>
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Date: Wed, 29 May 2019 01:30:29 -0700
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Subject: Re: [Ntp] New rev of the NTP port randomization I-D (Fwd: New Version Notification for draft-gont-ntp-port-randomization-01.txt)
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On 5/29/2019 12:07 AM, Fernando Gont wrote:
> On 29/5/19 02:06, Harlan Stenn wrote:
>>
>>
>> On 5/28/2019 10:58 PM, tglassey@earthlink.net wrote:
>>> Yes Harlen if you know you are being attacked the server can set itself
>>> as unavailable or untrustable until it recertifies. Information
>>> integrity is key for historical auditing of timestamps 
>>
>> What about attacks against the client?
>>
>> Is there benefit to the client knowing it is being attacked?
> 
> If you want that, you are free to run a NIDS. You get attack detection,
> without leaking the "session ID".

Sorry, I'm not buying that.

It cost-shifts too much, and it isn't feasible for a number of
significant use cases.

> Thanks,
> 

-- 
Harlan Stenn, Network Time Foundation
http://nwtime.org - be a Member!