r1 - 2008-03-01 - 21:54:23 - JudahLevineYou are here: NTP >  Servers Web > ServerForm > PublicTimeServer000519
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-4.2.8p12 was released on 14 August 2018. It addresses 1 low-/medium-severity security issue in ntpd, 1 low-severity security issue in ntpq and ntpdc, and provides 27 non-security bugfixes and 4 other improvements over 4.2.8p11.

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.
Notes:

  • Server list entry maintainer:
ServerForm
ServerStratum StratumOne
CountryCode US CO
Hostname ntp-a.boulder.nist.gov
IP Address 132.163.4.107
IPv6 Address

UseDNS Yes
PoolMember No
ServerLocation NIST Laboratory, Boulder, Colorado
GeographicCoordinates 39.9N -105.2E
ServerSynchronization ACTS Dial-up Using Lockclock Algorithm
ServiceArea Open
AccessPolicy RestrictedAccess
AccessDetails Authenticated NTP service using symmetric keys. Users must register with NIST.
NotificationMessage Yes
AutoKey No
AutoKeyURL

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