r6 - 2016-11-29 - 07:54:46 - MattNordhoffYou are here: NTP >  Servers Web > PublicTimeServer000943
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-4.2.8p10 was released on 21 March 2017. It addresses 6 medium- and 5 low-severity security issues, 4 informational security topics, 15 bugfixes, and contains other improvements over 4.2.8p9.

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.
  • Hostname (IPv4-only): ipv4.ntp3.mattnordhoff.com
  • Hostname (IPv6-only): ipv6.ntp3.mattnordhoff.com
  • Hostname (Linode Atlanta private network): ntp3.atl0.mattnordhoff.com
  • Hostname (Linode Atlanta private network, IPv4-only): ipv4.ntp3.atl0.mattnordhoff.com (
  • Hostname (Linode Atlanta private network, IPv6-only): ipv6.ntp3.atl0.mattnordhoff.com
  • NTP Pool statistics: IPv4, IPv6

  • Server list entry maintainer:
ServerStratum StratumTwo
CountryCode US GA
Hostname ntp3.mattnordhoff.com
IP Address
IPv6 Address 2600:3c02::13:220
UseDNS Yes
PoolMember Yes
ServerLocation Atlanta, GA, US (ATL)
HostOrganization Hosted at Linode at Zayo (formerly AtlantaNAP )

ServerSynchronization Several stratum 1 and 2 servers. Linux. Current NTP.
ServiceArea Everywhere
AccessPolicy OpenAccess
AccessDetails Abusive peers may be mocked on Twitter and/or blocked.
NotificationMessage No



ServerContact Matt Nordhoff (mnordhoff@mattnordhoff.com)
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