r20 - 2019-03-07 - 12:13:47 - HarlanStennYou are here: NTP >  Dev Web > ReleaseTimeline
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 Release Timeline

Date Release # of Fixes Comment
      No more releases of ntp-4.2.8 are planned after ntp-4.2.8p13 is released.
ntp-4.2.8 will go EOL when ntp-4.4.0 is released.
At that time, support for ntp-4.2.8 will be available under contract.
Mar '19 ntp-4.2.8p13    
Aug '18 ntp-4.2.8p12    
Feb '18 ntp-4.2.8p11    
Mar '17 ntp-4.2.8p10    
Nov '16 ntp-4.2.8p9    
Jun '16 ntp-4.2.8p8    
Apr '16 ntp-4.2.8p7    
Jan '16 ntp-4.2.8p6    
Jan '16 ntp-4.2.8p5    
Oct '15 ntp-4.2.8p4    
Jun '15 ntp-4.2.8p3    
Apr '15 ntp-4.2.8p2    
Feb '15 ntp-4.2.8p1    
Dec '14 ntp-4.2.8 >1100 New major release. EOL for ntp-4.2.6.
Support for ntp-4.2.6 available under contract.
Dec '11 ntp-4.2.6p5    
Sep '11 ntp-4.2.6p4    
Jan '11 ntp-4.2.6p3    
Jul '10 ntp-4.2.6p2    
Jun '10 RFC5905   Publication of the NTPv4 Standard
Apr '10 ntp-4.2.6p1    
Dec '09 ntp-4.2.6 630-1000 New major release. EOL for ntp-4.2.4
Dec '06 ntp-4.2.4 >450 New major release. EOL for ntp-4.2.2
Jun '06 ntp-4.2.2 >560 New major release. EOL for ntp-4.2.0
Jul '05 draft-ietf-ntp-ntpv4-proto-00   Initial publication of what would become RFC5905
Oct '03 ntp-4.2.0   New major release. EOL for ntp-4.1.2
Jul '03 ntp-4.1.2   New major release. EOL for ntp-4.1.1
Feb '02 ntp-4.1.1   New major release. EOL for ntp-4.1.0
Aug '01 ntp-4.1.0   New major release. EOL for ntp-4 betas.
Move from CVS to BitKeeper.
Jan '00 ntp-4.0.99    
May '99     Initial CVS import
Nov '98 xntp3-5.93e.tar.gz
ntp-4.0.90
  Last release (EOL) of ntp-3
First beta release of ntp-4
Jun '98 ntp-4.0.73    
Feb '98 ntp-4.0.72    
Sep '97 ntp-4.0?   First alpha release of ntp-4
Oct '96 xntp3-5.86.5    
Jun '96     First ChangeLog comment from Harlan's autoconf conversion
Apr '96 xntp3.5f   Dave's last release
Jun '94 xntp3.3wy    
Jun '93 xntp3   Initial release?
Mar '92 RFC1305   Publication of the NTPv3 Standard
Nov '89 xntp2   Initial release?
Sep '89 RFC1119   Publication of the NTPv2 Standard
Jul '88 RFC1059   Publication of the NTPv1 Standard
Sep '85 RFC958   Publication of the NTP Standard Proposal
Feb '81 IEN-173   Dave publishes "Time Synchronization in DCNET Hosts", the first report on the first implementation of NTP
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