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-4.2.8p15 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 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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