ntpd 設定

FreeBSD

/etc/rc.conf

ntpdate_enable="YES"
ntpd_enable="YES"

/etc/ntp.conf

restrict default ignore
restrict 127.0.0.1
restrict 192.168.1.0 mask 255.255.255.0 notrust nomodify notrap
restrict 210.173.160.27 notrust nomodify notrap
restrict 130.69.251.23 notrust nomodify notrap
restrict 133.100.11.8 notrust nomodify notrap
restrict 203.120.14.5 notrust nomodify notrap

server  210.173.160.27                          #ntp1.jst.mfeed.ad.jp
server  130.69.251.23                           #eric.nc.u-tokyo.ac.jp
server  133.100.11.8                            #clock.tl.fukuoka-u.ac.jp
server  203.120.14.5                            #time.asia.apple.com
server  127.127.1.0                             # local clock

fudge   127.127.1.0 stratum 10

driftfile /etc/ntp/drift
broadcastdelay  0.008

上記設定後、

ntpdate hostname
/etc/rc.d/ntpd start

かリブートするとOK