?????CentOS??????NTP??????
???????????? ???????[ 2015/6/9 14:12:18 ] ?????????????? CentOS
???????NTP Server???
??????????????ntpq????????鱾??????????????????NTP?????
????????????????????С?
???????????£?NTP???????????????????????????????????????????NTP???????????????????????????????????????
????#iptables-A INPUT-s 192.168.1.0/24-p udp--dport 123-j ACCEPT
????#iptables-A INPUT-p udp--dport 123-j DROP
?????ù????????192.168.1.0/24????NTP????(???UDP/123)???κ????????????????????????????????????????
????????NTP?????
????1.Linux
????NTP????????????ntpupdate????????????????????????????????yum??apt-get???????????????????????????÷???????IP???????????????
????#ntpdate<server-IP-address>
????????RHEL??Debian?????????????
????2.Windows
????????????????Windows????????????????(Date and Time settings)?2??????????(Internet Time)??
????3.Cisco?豸
???????????????Cisco?豸??????????????????????????????????
????#ntp server<server-IP-address>
????????????????????NTP???豸????????????????????????????????豸??NTP????????????????豸??????????
????????
????????????NTP???????????????????????????Э?顣????????????????????NTP????????????NTP???豸?????????????
??????
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2023/3/23 14:23:39???д?ò??????????
2023/3/22 16:17:39????????????????????Щ??
2022/6/14 16:14:27??????????????????????????
2021/10/18 15:37:44???????????????
2021/9/17 15:19:29???·???????·
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2021/5/28 17:25:47??????APP??????????
2021/5/8 17:01:11