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NTP: The Network Time Protocol
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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_
NETMFORNDATION
Please also take this opportunity to defeat denial-of-
service attacks by implementing Ingress and Egress
through BCP3B:
NTP Projects
ntp-4.2.8p15 was released on 23 June 2020_
R & D
It addresses
medium-severity security issue in ntpd, and
Public Services
provides 13 other non-security fixes improvements over
4.2.8p14.
Useful Links
Contributors
Please see our NTP Security_Notice page for vulnerability
Developer Notes
mitigation details.
Issues and Bugs
RFCs
Welcome to ntp.org; home of the Network Time Protocol project 
Time Servers
This page is home for the NTP Project (R&D) This web site, and all pages directly contained
Tarballs
within, are in the
'public domain. Some portions of this site may be copyrighted by other
Stable: 4.2.8p15
authors. Please contact the webmaster with any questions regarding copyright: The NTP
2020/06/23
software distribution is
 copyrighted; as described in the NTP copyright_page:
Dev:: 4.3.99
2019/06/07
NTP is a protocol designed to synchronize the clocks of computers over a
network
RSS
NTP version 4
significant revision of the previous NTP standard, is the current development
HpTe
REadY
version. It is formalized by RFCs released by the IETF
The NTP Project (ReD)
The NTP Project conducts Research and Development in NTP and produces the Official Reference Implementation
of NTP along with the Implementation Documentation: Background information about NTP; along with briefings and
a bibliography;
are available at the Network Time Synchronization Project Page
The NTP Public Services Project
The NTP Public Services Project provides resources for the NTP software available here; which is the Official
Reference Implementation of NTP The available resources include:
Community_Supported Documentation
Issue
Reporting
Mailing Lists
Public Time Server Lists
Reference Implementation Downloads
Server Pool Project
resources for the NTP Public Services Project are provided by Internet Systems Consortiun, Inc
Please direct comments and questions about this web site to the NTP Project webmaster: To contact the NTP Public
Services Project web maintainers Or any member of the NTP developer tean; please see the NTP Public Services
Project Contact Page:
The content at Wwwntp org
in the public domain; but contains some works copyrighted
XHTML10
WS:
by other authors. Please contact webmaster@ntp Org for more information:
updated: June 23, 2020.
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