r5 - 2017-05-29 - 17:19:47 - ShaneBishopYou are here: NTP >  Servers Web > PublicTimeServer000283
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.
Notes:

ServerForm
ServerStratum Inactive
CountryCode US CO
Hostname time.nist.gov
IP Address 192.43.244.18
IPv6 Address

UseDNS No
PoolMember No
ServerLocation National Center for Atmospheric Research, Boulder, Colorado
HostOrganization

GeographicCoordinates 39:58:43.44N 254:43:32.5E +1840m (WGS 84)
ServerSynchronization ACTS dial-up with NTP backup, FreeBSD Unix
ServiceArea NSFnet, WESTnet
AccessPolicy OpenAccess
AccessDetails Open access for up to 20 queries per hour (one-day average) from any one address, others by arrangement
NotificationMessage No
AutoKey No
AutoKeyURL

SymmetricKeyType

SymmetricKeyURL

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