r1 - 2004-09-27 - 02:27:25 - SteveKosteckeYou are here: NTP >  Servers Web > PublicTimeServer000265
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.
  • CNAMES: montpelier.caltech.edu, ntp-caltech.usno.navy.mil

ServerStratum StratumOne
CountryCode US CA
Hostname montpelier.ilan.caltech.edu
IP Address
UseDNS Yes
PoolMember No
ServerLocation California Institute of Technology, Pasadena, CA

ServerSynchronization NTP V3 primary (GPS clock)
ServiceArea USA Pacific timezone, others by arrangement
AccessPolicy RestrictedAccess
AccessDetails Open access for stratum 2 servers
NotificationMessage No
ServerContact Rich Schmidt, US Naval Observatory (res@tuttle.usno.navy.mil),
Heather Sherman, California Institute of Technology, (network@caltech.edu)
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