Redwood City, CA - 2008/05/20 - The NTP Public Services Project
( is pleased to announce that NTP 4.2.4p5-RC1,
a Release Candidate of the NTP Reference Implementation from the
NTP Project, is now available at and

Bug Fixes:

* [Bug 982] ntpdate(and ntptimeset) buffer overrun if HAVE_POLL_H isn't set
(dup of 908).
* [Bug 857] ntpdate debug mode adjusts system clock when it shouldn't.
* [Bug 532] nptdate timeout is too long if several servers are supplied.
* [Bug 902] Fix problems with the -6 flag.
* [Bug 698] timeBeginPeriod is called without timeEndPeriod in some NTP tools.
* [Bug 987] Wake up the resolver thread/process when a new interface has
become available.
* [Bug 908] ntpdate crashes sometimes.
* [Bug 1000] allow implicit receive buffer allocation for Windows.
fixes startup for windows systems with many interfaces.
reduces dropped packets on network bursts.
additionally fix timer() starvation during high load.
* [Bug 957] Windows only: Let command line parameters from the Windows SCM GUI
override the standard parameters from the ImagePath registry key.
* [Bug 959] Refclock on Windows not properly releasing recvbuffs.
* [Bug 977] Fix mismatching #ifdefs for builds without IPv6.
* [Bug 990] drop minimum time restriction for interface update interval.
* [Bug 993] Fix memory leak when fetching system messages.
* [Bug 997] ntpdate buffer too small and unsafe.

Other Changes:

* Startup code for original LinuxPPS removed. LinuxPPS now conforms to
* Update the copyright year.
* Build system cleanup (make autogen-generated files writable).
* Fixes for ntpdate:
* ntpdate.c: Under Windows check whether NTP port in use under same conditions
as under other OSs.
* ntpdate.c: Fixed some typos and indents (tabs/spaces).
* Correctly apply negative-sawtooth for oncore 12 channel receiver.

The file-size of this Release Candidate is 3439745 bytes. An MD5 sum
of this release is available at and

Please report any bugs, issues, or desired enhancements at

The NTP (Network Time Protocol) Public Services Project, which is
hosted by Internet Systems Consortium, Inc. (,
provides support and additional development resources for the
Reference Implementation of NTP produced by the NTP Project