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NP; The Network ulme Protocol
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NTP users are strongly
to take immediate action t0 ensure that their NTP daemons are not
susceptible to
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
NETYORNDATION
BCP38_
ntp-
4.2.8p15 was released on 23 June 2020.
It addresses
medium-severity security issue in ntpd, and provides 13 other non-security fixes
NTP Projects
improvements over 4.2.8p14.
R & D
Public Services
Please see our NTE Security_Notice page for vulnerability and mitigation details.
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Welcome to ntp.org; home of the Network Time Protocol project:
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Developer Notes
This page is bome for the NTP Project (R&D) This web site, and all pages directly contained within; are in the
domain. Some portions of this site may be copyrighted by other
Issues and Bugs
authors. Please contact the webmaster with any questions regarding copyright  The NTP software distribution is copyrighted, as described in the NTPcopyrightpage:
RFCs
Time Servers
NTP is a protocol designed to synchronize the clocks of computers over a network:
Tarballs
NTP version 4,
significant revision of the previous NTP standard; is the current development version It is formalized by RFCs released by the IETF
Stable: 4.2.8p15
The NTP Project (ReD)
2020/06/23
Dev:: 4.3.99
The NTP Project conducts Research and Development in NTP and produces the Official Reference Implementation of NTP along with the Implementation Documentation: Background
2019/06/07
information about NTP;
briefings and a bibliography, are available at the Network Time_Synchronization Project Page:
RSS
The NTP Public Services Project
Rerd 
The NTPPublic 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
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urged
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