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sanyalnet-cloud-vps2.freeddns.org stratum-2 /etc/ntp.conf - read more at http://supratim-sanyal.blogspot.com/2017/03/free-public-stratum-2-and-stratum-3-ntp.html
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# -- | |
# This is Supratim Sanyal's NTP Server configuration file | |
# To test, use "ntpdate -q <this host>" from another host | |
# This server will not respond to peer queries ("ntpdc -q") etc. from | |
# external hosts. | |
# | |
# The stratum 1 servers used by this server are mostly educational and | |
# military servers from: | |
# http://support.ntp.org/bin/view/Servers/StratumOneTimeServers?redirectedfrom=Servers.StratumOne | |
# Comment out the stratum 2 servers to make this server stratum 2 with | |
# only stratum 1 peers. All configured peer servers in this file need to | |
# be stratum 1 servers for this server to be stratum 2. | |
# Do not use burst, but iburst is ok with most stratum 1 servers. | |
# | |
# Supratim Sanyal, supratim at riseup dot net | |
# ++ | |
driftfile /var/lib/ntp/drift | |
restrict default kod nomodify notrap nopeer noquery | |
restrict -6 default kod nomodify notrap nopeer noquery | |
restrict 127.0.0.1 | |
restrict -6 ::1 | |
# --------------- | |
# Supratim Sanyal's Free Public NTP Servers | |
# Stratum 2 Peers | |
# --------------- | |
# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! | |
# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! | |
# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! | |
# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! | |
# !!!!! NO STRATUM 2 PEERS TO BE ENABLED ON THIS SERVER !!!!! | |
# !!!!! THIS SERVER IS LISTED AS A STRATUM 2 SERVER AT !!!!! | |
# !!!!! NTP.ORG - THEREFORE ALL PEERS *HAVE* TO BE STRATUM 1 !!!!! | |
# !!!!! SEE http://support.ntp.org/bin/view/Servers/PublicTimeServer001304 !!!!! | |
# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! | |
# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! | |
# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! | |
# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! | |
# ##### -- exclude this server as peer of itself! -- server sanyalnet-cloud-vps2.freeddns.org burst iburst | |
# ##### server sanyalnet-cloud-vps.freeddns.org burst iburst | |
# ##### server sanyalnet-ntp.freeddns.org burst iburst prefer | |
# ##### server wbri.duckdns.org burst iburst | |
# ##### server yiradio.insidewashington.net burst iburst | |
# --------------- | |
# Stratum 1 Peers | |
# --------------- | |
# Preferred | |
server time.nist.gov iburst prefer | |
server tick.usno.navy.mil iburst prefer | |
server tock.usno.navy.mil iburst prefer | |
server ntp2.usno.navy.mil iburst prefer | |
# Other | |
server clock.isc.org iburst | |
server clock.uregina.ca iburst | |
server cronos.cenam.mx iburst | |
server gnomon.cc.columbia.edu iburst | |
server hora.roa.es iburst | |
server minuto.roa.es iburst | |
server navobs1.gatech.edu iburst | |
server navobs1.oar.net iburst | |
server navobs1.wustl.edu iburst | |
server now.okstate.edu iburst | |
server ntp1.fau.de iburst | |
server ntp1.inrim.it iburst | |
server ntp1.nl.uu.net iburst | |
server ntp1.oma.be iburst | |
server ntp1.usv.ro iburst | |
server ntp2.fau.de iburst | |
server ntp2.inrim.it iburst | |
server ntp2.oma.be iburst | |
server ntp.atomki.mta.hu iburst | |
server ntp.colby.edu iburst | |
server ntp.fizyka.umk.pl iburst | |
server ntp-galway.hea.net iburst | |
server ntp.i2t.ehu.eus iburst | |
server ntp.lcf.mx iburst | |
server ntp.neel.ch iburst | |
server ntp.neu.edu.cn iburst | |
server ntp.nic.cz iburst | |
server ntp.nict.jp iburst | |
server ntps1-0.cs.tu-berlin.de iburst | |
server ntps1-0.uni-erlangen.de | |
server ntps1-1.cs.tu-berlin.de iburst | |
server ntps1-1.uni-erlangen.de | |
server ntp-s1.cise.ufl.edu iburst | |
server ntps1.pads.ufrj.br iburst | |
server ntp.shoa.cl iburst | |
server ptbtime1.ptb.de iburst | |
server ptbtime2.ptb.de iburst | |
server rustime01.rus.uni-stuttgart.de iburst | |
server rustime02.rus.uni-stuttgart.de iburst | |
server sesku.planeacion.net iburst | |
server tick.usask.ca iburst | |
server time1.stupi.se iburst | |
server time.esa.int iburst | |
server time.ufe.cz iburst | |
server tock.usask.ca iburst | |
server zeit.fu-berlin.de iburst | |
# Local fall back if no external peers are reachable | |
# Stratum 16 means this server is unsynchronized | |
server 127.127.1.0 | |
fudge 127.127.1.0 stratum 16 |
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