r4 - 2017-04-06 - 10:23:47 - ErikTerwanYou are here: NTP >  Servers Web > PublicTimeServer000838
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.
ServerStratum StratumTwo
CountryCode NL
Hostname ntp.terwan.nl
IP Address
IPv6 Address 2001:470:1f15:17ce::
UseDNS Yes
PoolMember Yes
ServerLocation Bellingwolde, Groningen, Netherlands


ServerSynchronization Fedora Linux x86_64, ntpd 4.2.6p5
ServiceArea World
AccessPolicy OpenAccess

NotificationMessage Yes



ServerContact Erik Terwan, erik+ntp@terwan.nl
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