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Re: [Ntp] Antw: [EXT] Re: Public NTP servers already responds to NTPv5

"Salz, Rich" <rsalz@akamai.com> Thu, 03 December 2020 16:21 UTC

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From: "Salz, Rich" <rsalz@akamai.com>
To: Hal Murray <hmurray@megapathdsl.net>, Ulrich Windl <Ulrich.Windl@rz.uni-regensburg.de>
CC: "ntp@ietf.org" <ntp@ietf.org>, "stenn@nwtime.org" <stenn@nwtime.org>
Thread-Topic: [Ntp] Antw: [EXT] Re: Public NTP servers already responds to NTPv5
Thread-Index: AQHWyUyh8O7MlD/H1Umfarpk5AwR56nljiIA
Date: Thu, 03 Dec 2020 16:21:33 +0000
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References: <Ulrich.Windl@rz.uni-regensburg.de> <5FC89964020000A10003D3DF@gwsmtp.uni-regensburg.de> <20201203081642.E1DAF40605C@ip-64-139-1-69.sjc.megapath.net>
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Subject: Re: [Ntp] Antw: [EXT] Re: Public NTP servers already responds to NTPv5
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>    That doesn't effect the on-the-wire protocol.

It might.  If it turns out (as happened with TLS 1.3), you have to make NTPv5 look like NTPv4 so that packets aren't blocked, you'll want to put the extra information into the extensions area.

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