r2 - 2019-12-20 - 22:47:06 - ShaneBishopYou are here: NTP >  Servers Web > PublicTimeServer000115
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.
  • This server is primarily for use by UUNET customers who may use it without asking, but others are welcome to peer if they give notice
  • This service is supported on a best-effort basis, but is not guaranteed.
  • UUNET customers should peer with all three: ntp0.uk.uu.net, ntp1.uk.uu.net, and ntp2.uk.uunet

ServerStratum StratumTwo
CountryCode UK
Hostname ntp1.uk.uu.net
IP Address
IPv6 Address

PoolMember Yes
ServerLocation Cambridge, UK


ServerSynchronization NTP V3 secondary (stratum 2), Sun sparc Ultra, Solaris 7, xntpd 3-5.93
ServiceArea UUNET (formerly known in the UK as PIPEX); UK
AccessPolicy OpenAccess
AccessDetails Semi-open access, see above
NotificationMessage Yes



ServerContact timelord@uk.uu.net
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