r3 - 2004-11-29 - 02:46:24 - RichardSchmidtYou are here: NTP >  Servers Web > PublicTimeServer000285
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.

ServerStratum StratumOne
CountryCode US DC
Hostname ntp2.usno.navy.mil
IP Address
UseDNS Yes
PoolMember No
ServerLocation U.S. Naval Observatory, Washington, DC
GeographicCoordinates 77 03 57.7W 38 55 14.1N WGS84
ServerSynchronization NTP V4 primary (USNO Master Clocks 1,2)
ServiceArea USA Eastern timezone, others by arrangement
AccessPolicy RestrictedAccess
AccessDetails Open access for MIL, GOV, other stratum 2 servers. Choose only one of tick/tock/ntp2
NotificationMessage Yes
ServerContact Rich Schmidt, US Naval Observatory (res@tuttle.usno.navy.mil)
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