+* [Bug 1013] ntpdate's HTML page claims wrong default version.
* [Bug 1374] Support SO_TIMESTAMPNS.
* [Bug 2266] Remove deprecated refclock_trak.c from Windows Makefile
equivalents.
<dt><tt>-k <i>keyfile</i></tt></dt>
<dd>Specify the path for the authentication key file as the string <i>keyfile</i>. The default is <tt>/etc/ntp.keys</tt>. This file should be in the format described in <tt>ntpd</tt>.</dd>
<dt><tt>-o <i>version</i></tt></dt>
- <dd>Specify the NTP version for outgoing packets as the integer <i>version</i>, which can be 1 or 2. The default is 3. This allows <tt>ntpdate</tt> to be used with older NTP versions.</dd>
+ <dd>Specify the NTP version for outgoing packets as the integer
+ <i>version</i>, which can be 1, 2, 3 or 4. The default is 4. This allows <tt>ntpdate</tt> to be used with older NTP versions.</dd>
<dt><tt>-p <i>samples</i></tt></dt>
<dd>Specify the number of samples to be acquired from each server as the integer <i>samples</i>, with values from 1 to 8 inclusive. The default is 4.</dd>
<dt><i><tt>-q</tt></i></dt>