shell-things/etc/chrony/sources.d/nts-servers.sources
Aminda Suomalainen 48976cacce
chrony/sources.d: prefer ISP and CF
The ISP should be closest server to sync to and Cloudflare is anycast with
potentially lower stratum than the other nts servers. 'nts' implies 'require'
and 'trust' already and other servers get picked over lower stratum although
higher distance.
2024-01-24 10:57:52 +02:00

45 lines
1.8 KiB
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# SPDX-FileCopyrightText: 2020 Aminda Suomalainen <suomalainen+git@mikaela.info>
# SPDX-FileCopyrightText: 2023 Mike Cifelli <26522946+macifell@users.noreply.github.com>
#
# SPDX-License-Identifier: BSD-3-Clause
# SPDX-License-Identifier: CC0-1.0
# LICENSE of this file? I don't consider this as a work that exceeds
# copyright treshhold (while attribution is always nice) so for me this is
# public domain aka CC0. However I have been following https://github.com/jauderho/nts-servers
# which clearly states being BSD-3-Clause and as I am not a lawyer, I have
# no idea how this works, so I am including both license informations.just
# in case.
# NOTE: NTS support requires Chrony 4.0 or newer!
# Cloudflare NTS, anycast, works probably anywhere. No leap second smearing.
pool time.cloudflare.com maxsources 2 iburst nts prefer
# Finland, https://ntp.miuku.net
server ntp.miuku.net iburst nts
# https://system76.com/time
#server virginia.time.system76.com iburst nts
#server ohio.time.system76.com iburst nts
#server oregon.time.system76.com iburst nts
#server paris.time.system76.com iburst nts
#server brazil.time.system76.com iburst nts
# Swedish anycast https://www.netnod.se/time-and-frequency/how-to-use-nts
#server nts.netnod.se iburst nts
# https://nts.time.nl/ - regardless of name provides 1 v4 & v6 address
# no pool directive. Also no leap second smearing.
#server ntppool1.time.nl iburst nts
#server ntppool2.time.nl iburst nts
# Germany https://www.ptb.de/cms/en/ptb/fachabteilungen/abtq/gruppe-q4/ref-q42/time-synchronization-of-computers-using-the-network-time-protocol-ntp.html
#server ptbtime1.ptb.de iburst nts
#server ptbtime2.ptb.de iburst nts
#server ptbtime3.ptb.de iburst nts
# Germany
#server www.jabber-germany.de iburst nts
#server www.masters-of-cloud.de iburst nts