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-4.2.8p10 was released on 21 March 2017. It addresses 6 medium- and 5 low-severity security issues, 4 informational security topics, 15 bugfixes, and contains other improvements over 4.2.8p9.

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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