r5 - 2011-12-02 - 03:15:30 - EricJensenYou are here: NTP >  Servers Web > PublicTimeServer000398
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.

  • Server list entry maintainer:
ServerStratum StratumOne
CountryCode US NJ
Hostname ntp0.jrc.us
IP Address
IPv6 Address

UseDNS Yes
PoolMember No
ServerLocation Jensen Research Corporation, Ramsey NJ
GeographicCoordinates 41 4.500 N, 74 8.094 W
ServerSynchronization NTP V4 primary; Pręcis Ct CDMA clock; Intel I3 Ubuntu 9.10
ServiceArea Eastern US
AccessPolicy RestrictedAccess
AccessDetails Access permitted from stratum-2 servers providing synchronization to local networks of ten or more hosts; others by arrangement only.
NotificationMessage Yes
AutoKey No



ServerContact JRC Network Ops (noc@jensenresearch.com) 201 962-7900
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