r5 - 2019-12-07 - 17:02:36 - ShaneBishopYou are here: NTP >  Servers Web > PublicTimeServer000794
NTP users are strongly urged to take immediate action to ensure that their NTP daemons are not susceptible to being used in distributed denial-of-service (DDoS) attacks. Please also take this opportunity to defeat denial-of-service attacks by implementing Ingress and Egress filtering through BCP38.

ntp-4.2.8p15 was released on 23 June 2020. It addresses 1 medium-severity security issue in ntpd, and provides 13 non-security bugfixes over 4.2.8p13.

Please see the NTP Security Notice for vulnerability and mitigation details.

Are you using Autokey in production? If so, please contact Harlan - he's got some questions for you.

  • Server list entry maintainer:
ServerStratum Inactive
CountryCode CN
Hostname ntp.tuna.tsinghua.edu.cn
IP Address
IPv6 Address 2402:f000:1:416:101:6:6:172
UseDNS Yes
PoolMember Yes
ServerLocation Beijing, China
HostOrganization Tsinghua University
GeographicCoordinates 40.001788 N, 116.332528 E
ServerSynchronization PTP
ServiceArea China
AccessPolicy OpenAccess

NotificationMessage No
AutoKey No



ServerContact mirrors@tuna.tsinghua.edu.cn
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