r2 - 2005-06-18 - 13:11:52 - SteveKosteckeYou are here: NTP >  Servers Web > PublicTimeServer000290
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.
  • Service is restricted to NTP Version 4 clients only.

ServerStratum StratumOne
CountryCode US DE
Hostname rackety.udel.edu
IP Address
IPv6 Address

PoolMember No
ServerLocation University of Delaware, Newark, DE
GeographicCoordinates 39:40:48.425N, 75:45:02.392W (GPS WGS84)
ServerSynchronization NTP V4 primary (GPS clock), Sun IPC/SunOS 4.1.3
ServiceArea CAIRN, Abilene/vBNS
AccessPolicy ClosedAccess
AccessDetails Closed access, except for stratum-2 servers providing synchronization to local networks of ten or more hosts
NotificationMessage No
AutoKey No

ServerContact Dave Mills (mills@udel.edu)
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