r6 - 2017-06-03 - 20:30:38 - ShaneBishopYou are here: NTP >  Servers Web > PublicTimeServer000141
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-4.2.8p11 was released on 27 February 2018. It addresses 2 low-/medium-, 1 informational-/medium-, and 2 low-severity security issues in ntpd, 1 medium-severity security issue in ntpq, and provides over 65 non-security bugfixes and other improvements over 4.2.8p10.

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.
  • This host does not support "daytime" -- only UDP-based NTP

ServerStratum Inactive
CountryCode US IN
Hostname horologe.cerias.purdue.edu
IP Address
IPv6 Address

UseDNS Yes
PoolMember No
ServerLocation CERIAS, Purdue University, West Lafayette, IN

GeographicCoordinates 40:25:33.2N, 86:54:54.7W (GPS)
ServerSynchronization NTP V3/V4 stratum 2 server, Cisco router
ServiceArea Purdue University hosts only
AccessPolicy RestrictedAccess
AccessDetails Open access to Purdue University addresses. Please see our ntp WWW page.
NotificationMessage No
AutoKey No



ServerContact Gene Spafford (ntp-request@cerias.purdue.edu)
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