driftfile  /var/lib/ntp/drift
pidfile    /var/run/ntpd.pid
logfile    /var/log/ntp.log


# Access Control Support
restrict    default kod nomodify notrap nopeer noquery
restrict -6 default kod nomodify notrap nopeer noquery
restrict 127.0.0.1
restrict 192.168.0.0 mask 255.255.0.0 nomodify notrap nopeer noquery
restrict 172.16.0.0 mask 255.240.0.0 nomodify notrap nopeer noquery
restrict 100.64.0.0 mask 255.192.0.0 nomodify notrap nopeer noquery
restrict 10.0.0.0 mask 255.0.0.0 nomodify notrap nopeer noquery


# local clock
server 127.127.1.0
fudge  127.127.1.0 stratum 10

restrict ntp.aliyun.com nomodify notrap nopeer noquery
restrict ntp.cloud.aliyuncs.com nomodify notrap nopeer noquery
restrict ntp1.aliyun.com nomodify notrap nopeer noquery
restrict ntp1.cloud.aliyuncs.com nomodify notrap nopeer noquery
restrict ntp10.cloud.aliyuncs.com nomodify notrap nopeer noquery
restrict ntp11.cloud.aliyuncs.com nomodify notrap nopeer noquery
restrict ntp12.cloud.aliyuncs.com nomodify notrap nopeer noquery
restrict ntp2.aliyun.com nomodify notrap nopeer noquery
restrict ntp2.cloud.aliyuncs.com nomodify notrap nopeer noquery
restrict ntp3.aliyun.com nomodify notrap nopeer noquery
restrict ntp3.cloud.aliyuncs.com nomodify notrap nopeer noquery
restrict ntp4.aliyun.com nomodify notrap nopeer noquery
restrict ntp4.cloud.aliyuncs.com nomodify notrap nopeer noquery
restrict ntp5.aliyun.com nomodify notrap nopeer noquery
restrict ntp5.cloud.aliyuncs.com nomodify notrap nopeer noquery
restrict ntp6.aliyun.com nomodify notrap nopeer noquery
restrict ntp6.cloud.aliyuncs.com nomodify notrap nopeer noquery
restrict ntp7.cloud.aliyuncs.com nomodify notrap nopeer noquery
restrict ntp8.cloud.aliyuncs.com nomodify notrap nopeer noquery
restrict ntp9.cloud.aliyuncs.com nomodify notrap nopeer noquery


server ntp.aliyun.com iburst minpoll 4 maxpoll 10
server ntp.cloud.aliyuncs.com iburst minpoll 4 maxpoll 10
server ntp1.aliyun.com iburst minpoll 4 maxpoll 10
server ntp1.cloud.aliyuncs.com iburst minpoll 4 maxpoll 10
server ntp10.cloud.aliyuncs.com iburst minpoll 4 maxpoll 10
server ntp11.cloud.aliyuncs.com iburst minpoll 4 maxpoll 10
server ntp12.cloud.aliyuncs.com iburst minpoll 4 maxpoll 10
server ntp2.aliyun.com iburst minpoll 4 maxpoll 10
server ntp2.cloud.aliyuncs.com iburst minpoll 4 maxpoll 10
server ntp3.aliyun.com iburst minpoll 4 maxpoll 10
server ntp3.cloud.aliyuncs.com iburst minpoll 4 maxpoll 10
server ntp4.aliyun.com iburst minpoll 4 maxpoll 10
server ntp4.cloud.aliyuncs.com iburst minpoll 4 maxpoll 10
server ntp5.aliyun.com iburst minpoll 4 maxpoll 10
server ntp5.cloud.aliyuncs.com iburst minpoll 4 maxpoll 10
server ntp6.aliyun.com iburst minpoll 4 maxpoll 10
server ntp6.cloud.aliyuncs.com iburst minpoll 4 maxpoll 10
server ntp7.cloud.aliyuncs.com iburst minpoll 4 maxpoll 10
server ntp8.cloud.aliyuncs.com iburst minpoll 4 maxpoll 10
server ntp9.cloud.aliyuncs.com iburst minpoll 4 maxpoll 10