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Re: [Ntp] Antw: [EXT] Re: NTPv5 draft

Miroslav Lichvar <mlichvar@redhat.com> Tue, 01 December 2020 09:05 UTC

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Date: Tue, 01 Dec 2020 10:05:41 +0100
From: Miroslav Lichvar <mlichvar@redhat.com>
To: Ulrich Windl <Ulrich.Windl@rz.uni-regensburg.de>
Cc: Dieter Sibold <dsibold.ietf@gmail.com>, doug.arnold@meinberg-usa.com, "ntp@ietf.org" <ntp@ietf.org>
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Subject: Re: [Ntp] Antw: [EXT] Re: NTPv5 draft
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On Tue, Dec 01, 2020 at 09:48:11AM +0100, Ulrich Windl wrote:
> I think an interesting point is this: Do people think they don't need
> security, because
> 
> 1) it costs extra CPU cycles
> 2) it's difficult to set up and maintain
> 3) it brings no benefit

There might also be

4) the additional attack surface of the TLS/NTS implementation is
considered a bigger problem than not having secure timestamps.

-- 
Miroslav Lichvar

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