r1 - 2004-09-25 - 02:56:29 - SteveKosteckeYou are here: NTP >  Servers Web > PublicTimeServer000208
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-4.2.8p13 was released on 07 March 2019. It addresses 1 medium-severity security issue in ntpd, and provides 17 non-security bugfixes and 1 other improvements over 4.2.8p12.

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.
  • ntp is an alias and the IP address may change; please use DNS

ServerStratum StratumOne
CountryCode CZ
Hostname ntp.cesnet.cz
IP Address
UseDNS Yes
PoolMember No
ServerLocation [[http://www.cesnet.cz/english][CESNET]Prague, The Czech Republic
GeographicCoordinates 50 6.11' N, 14 23.49' E, +252 m
ServerSynchronization NTP V4 primary (Garmin GPS35), PC / Linux with nanokernel
ServiceArea Czech Republic and Slovakia, European academic community
AccessPolicy RestrictedAccess
AccessDetails Open to servers providing synchronization to ten or more hosts, others by arrangement.
NotificationMessage Yes
ServerContact Vladimir Smotlacha (ntp-admin@cesnet.cz)
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