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r14 - 2011-09-27 - 15:42:35 - SteveKosteckeYou are here: NTP >  Main Web > SoftwareDownloads > ChangesStable
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.

Stable Release NEWS

NTP 4.2.6p4 (Harlan Stenn, 2011/09/23)

Changes:

  • Distribute ntp-wait.html
  • Update config.guess and config.sub for AIX
  • Upgrade required version of autogen and libopts for building from our source code repository

ntpd

  • Backported several fixes for Coverity warnings from ntp-dev
  • Fix a rare boundry condition in UNLINK_EXPR_SLIST()
  • Allow "logconfig =allall" configuration directive
  • Bind tentative IPv6 addresses on Linux
  • Correct WWVB/Spectracom driver to timestamp CR instead of LF
  • Improved tally bit handling to prevent incorrect ntpq peer status reports
  • Exclude the Undisciplined Local Clock and ACTS drivers from the initial candidate list unless they are designated a "prefer peer"
  • Prevent the consideration of Undisciplined Local Clock or ACTS drivers for selection during the 'tos orphanwait' period
  • Prefer an Orphan Mode Parent over the Undisciplined Local Clock or ACTS drivers
  • Improved support of the Parse Refclock trusttime flag in Meinberg mode
  • Backport utility routines from ntp-dev: mprintf(), emalloc_zero()
  • Added the NTPD_TICKADJ_PPM environment variable for specifying baseline clock slew on Microsoft Windows
  • Code cleanup in libntpq

ntpdc

  • Fix timerstats reporting

ntpdate

  • Reduce time required to set clock
  • Allow a timeout greater than 2 seconds

sntp

  • Backward incompatible command-line option change: -l/--filelog changed -l/--logfile (to be consistent with ntpd)

Documentation

  • Update html2man. Fix some tags in the .html files
  • Fix checking for struct rtattr

more Complete NEWS file
more Complete Change Log

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