r1 - 2008-03-05 - 20:26:01 - JudahLevineYou are here: NTP >  Servers Web > StratumOneTimeServers > PublicTimeServer000524
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.

  • Server list entry maintainer:
ServerStratum StratumOne
CountryCode US CA
Hostname utcnist2.colorado.edu
IP Address
IPv6 Address

UseDNS Yes
PoolMember No
ServerLocation University of Colorado, Boulder, Colorado
GeographicCoordinates 40.03 N -105.16 E
ServerSynchronization ACTS dial-up using Lockclock Algorithm
ServiceArea US
AccessPolicy OpenAccess
AccessDetails Open but limited to 1 request every 16 seconds from any one address
NotificationMessage Yes
AutoKey No

ServerContact Judah Levine, jlevine@boulder.nist.gov 303 492 7785
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