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# This is the default site ntpd configuration file. It queries the three
# stratum-one time servers, which use GPS receivers for accurate time.
# Listen to the stratum 2 pool.
server time-a.stanford.edu iburst
server time-b.stanford.edu iburst
server time-c.stanford.edu iburst
# Save the clock drift.
driftfile /var/lib/ntp/ntp.drift
# Only talk to the network where the time servers are.
restrict 171.64.7.0 mask 255.255.255.0 nomodify
restrict 204.63.224.64 mask 255.255.255.192 nomodify
# Allow all settings from our localhost interface.
restrict 127.0.0.1
# Do not allow access from anybody else
restrict default ignore
# Always reset the clock, even if the new time is more than 1000s away
# from the current system time. We need this on VMs and it shouldn't hurt
# anywhere else.
tinker panic 0
# Disable the monlist command, since it can be used for a UDP DoS attack.
disable monitor