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author	Cy Schubert <cy@FreeBSD.org>	2023-05-11 18:17:53 +0000
committer	Cy Schubert <cy@FreeBSD.org>	2023-06-01 13:28:01 +0000
commit	26fd3d5616df1ccc17b6e487b1db4633dfdd555b (patch)
tree	7d1c88a759cdd57ee5c53d6ec4aeede71f126961 /ntpd/ntpd.html
parent	3914721463f70500ecc1f59312b122d8788465cf (diff)
download	src-26fd3d5616df1ccc17b6e487b1db4633dfdd555b.tar.gz src-26fd3d5616df1ccc17b6e487b1db4633dfdd555b.zip

ntp: import ntp-4.2.8p16vendor/ntp/4.2.8p16

Security: NtpBug3767, NtpBug3808, NtpBug3807 (CVE-2023-26555)

Diffstat (limited to 'ntpd/ntpd.html')

-rw-r--r--

ntpd/ntpd.html

420

1 files changed, 164 insertions, 256 deletions

diff --git a/ntpd/ntpd.html b/ntpd/ntpd.html
index f002faa2ac5e..9eff3bc81569 100644
--- a/ntpd/ntpd.html
+++ b/ntpd/ntpd.html

@@ -1,6 +1,6 @@

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

-

+

<head>

<title>ntpd: Network Time Protocol (NTP) Daemon User’s Manual</title>

@@ -16,23 +16,14 @@

<!--

a.summary-letter {text-decoration: none}

blockquote.indentedblock {margin-right: 0em}

-blockquote.smallindentedblock {margin-right: 0em; font-size: smaller}

-blockquote.smallquotation {font-size: smaller}

div.display {margin-left: 3.2em}

div.example {margin-left: 3.2em}

div.lisp {margin-left: 3.2em}

-div.smalldisplay {margin-left: 3.2em}

-div.smallexample {margin-left: 3.2em}

-div.smalllisp {margin-left: 3.2em}

kbd {font-style: oblique}

pre.display {font-family: inherit}

pre.format {font-family: inherit}

pre.menu-comment {font-family: serif}

pre.menu-preformatted {font-family: serif}

-pre.smalldisplay {font-family: inherit; font-size: smaller}

-pre.smallexample {font-size: smaller}

-pre.smallformat {font-family: inherit; font-size: smaller}

-pre.smalllisp {font-size: smaller}

span.nolinebreak {white-space: nowrap}

span.roman {font-family: initial; font-weight: normal}

span.sansserif {font-family: sans-serif; font-weight: normal}

@@ -50,13 +41,11 @@ ul.no-bullet {list-style: none}

-<a name="Top"></a>

-<div class="header">

+<span id="Top"></span><div class="header">

<p>

Next: <a href="#ntpd-Description" accesskey="n" rel="next">ntpd Description</a>, Previous: <a href="dir.html#Top" accesskey="p" rel="prev">(dir)</a>, Up: <a href="dir.html#Top" accesskey="u" rel="up">(dir)</a>   </p>

</div>

-<a name="ntpd_003a-Network-Time-Protocol-_0028NTP_0029-Daemon-User-Manual"></a>

-<h1 class="top">ntpd: Network Time Protocol (NTP) Daemon User Manual</h1>

+<span id="ntpd_003a-Network-Time-Protocol-_0028NTP_0029-Daemon-User-Manual"></span><h1 class="top">ntpd: Network Time Protocol (NTP) Daemon User Manual</h1>

<p>The <code>ntpd</code> program is an operating system daemon that synchronizes the

system clock to remote NTP time servers or local reference clocks.

@@ -67,35 +56,33 @@ The program can operate in any of several modes, including client/server,

symmetric and broadcast modes, and with both symmetric-key and public-key

cryptography.

</p>

-<p>This document applies to version 4.2.8p15 of <code>ntpd</code>.

+<p>This document applies to version 4.2.8p16 of <code>ntpd</code>.

</p>

-<a name="SEC_Overview"></a>

+<span id="SEC_Overview"></span>

<h2 class="shortcontents-heading">Short Table of Contents</h2>

-<li><a name="stoc-Description" href="#toc-Description">1 Description</a></li>

+<li><a id="stoc-Description" href="#toc-Description">1 Description</a></li>

</ul>

</div>

-<tr><td align="left" valign="top">• <a href="#ntpd-Description" accesskey="1">ntpd Description</a>:</td><td>  </td><td align="left" valign="top">Description

+<tr><td align="left" valign="top">• <a href="#ntpd-Description" accesskey="1">ntpd Description</a></td><td>  </td><td align="left" valign="top">Description

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-Invocation" accesskey="2">ntpd Invocation</a>:</td><td>  </td><td align="left" valign="top">Invoking ntpd

+<tr><td align="left" valign="top">• <a href="#ntpd-Invocation" accesskey="2">ntpd Invocation</a></td><td>  </td><td align="left" valign="top">Invoking ntpd

</td></tr>

-<tr><td align="left" valign="top">• <a href="#Usage" accesskey="3">Usage</a>:</td><td>  </td><td align="left" valign="top">Usage

+<tr><td align="left" valign="top">• <a href="#Usage" accesskey="3">Usage</a></td><td>  </td><td align="left" valign="top">Usage

</td></tr>

</table>

<hr>

-<a name="ntpd-Description"></a>

-<div class="header">

+<span id="ntpd-Description"></span><div class="header">

<p>

Next: <a href="#ntpd-Invocation" accesskey="n" rel="next">ntpd Invocation</a>, Up: <a href="#Top" accesskey="u" rel="up">Top</a>   </p>

</div>

-<a name="Description"></a>

-<h2 class="chapter">1 Description</h2>

+<span id="Description"></span><h2 class="chapter">1 Description</h2>

<p>The <code>ntpd</code> program ordinarily requires

a configuration file described at ‘ntp.conf’.

@@ -119,22 +106,20 @@ If nothing is heard after a few minutes’ time,

the daemon times out and exits without setting the clock.

</p>

-<tr><td align="left" valign="top">• <a href="#ntpd-Invocation" accesskey="1">ntpd Invocation</a>:</td><td>  </td><td align="left" valign="top">

+<tr><td align="left" valign="top">• <a href="#ntpd-Invocation" accesskey="1">Invoking ntpd</a></td><td>  </td><td align="left" valign="top">

</td></tr>

-<tr><td align="left" valign="top">• <a href="#Usage" accesskey="2">Usage</a>:</td><td>  </td><td align="left" valign="top">

+<tr><td align="left" valign="top">• <a href="#Usage" accesskey="2">Usage</a></td><td>  </td><td align="left" valign="top">

</td></tr>

</table>

<hr>

-<a name="ntpd-Invocation"></a>

-<div class="header">

+<span id="ntpd-Invocation"></span><div class="header">

<p>

Next: <a href="#Usage" accesskey="n" rel="next">Usage</a>, Previous: <a href="#ntpd-Description" accesskey="p" rel="prev">ntpd Description</a>, Up: <a href="#ntpd-Description" accesskey="u" rel="up">ntpd Description</a>   </p>

</div>

-<a name="Invoking-ntpd"></a>

-<h3 class="section">1.1 Invoking ntpd</h3>

-<a name="index-ntpd"></a>

-<a name="index-NTP-daemon-program"></a>

+<span id="Invoking-ntpd"></span><h3 class="section">1.1 Invoking ntpd</h3>

+<span id="index-ntpd"></span>

+<span id="index-NTP-daemon-program"></span>

@@ -212,91 +197,89 @@ using the <code>agtexi-cmd</code> template and the option descriptions for the <

This software is released under the NTP license, <http://ntp.org/license>.

</p>

-<tr><td align="left" valign="top">• <a href="#ntpd-usage" accesskey="1">ntpd usage</a>:</td><td>  </td><td align="left" valign="top">ntpd help/usage (<samp>--help</samp>)

+<tr><td align="left" valign="top">• <a href="#ntpd-usage" accesskey="1">ntpd usage</a></td><td>  </td><td align="left" valign="top">ntpd help/usage (<samp>--help</samp>)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-ipv4" accesskey="2">ntpd ipv4</a>:</td><td>  </td><td align="left" valign="top">ipv4 option (-4)

+<tr><td align="left" valign="top">• <a href="#ntpd-ipv4" accesskey="2">ntpd ipv4</a></td><td>  </td><td align="left" valign="top">ipv4 option (-4)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-ipv6" accesskey="3">ntpd ipv6</a>:</td><td>  </td><td align="left" valign="top">ipv6 option (-6)

+<tr><td align="left" valign="top">• <a href="#ntpd-ipv6" accesskey="3">ntpd ipv6</a></td><td>  </td><td align="left" valign="top">ipv6 option (-6)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-authreq" accesskey="4">ntpd authreq</a>:</td><td>  </td><td align="left" valign="top">authreq option (-a)

+<tr><td align="left" valign="top">• <a href="#ntpd-authreq" accesskey="4">ntpd authreq</a></td><td>  </td><td align="left" valign="top">authreq option (-a)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-authnoreq" accesskey="5">ntpd authnoreq</a>:</td><td>  </td><td align="left" valign="top">authnoreq option (-A)

+<tr><td align="left" valign="top">• <a href="#ntpd-authnoreq" accesskey="5">ntpd authnoreq</a></td><td>  </td><td align="left" valign="top">authnoreq option (-A)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-configfile" accesskey="6">ntpd configfile</a>:</td><td>  </td><td align="left" valign="top">configfile option (-c)

+<tr><td align="left" valign="top">• <a href="#ntpd-configfile" accesskey="6">ntpd configfile</a></td><td>  </td><td align="left" valign="top">configfile option (-c)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-driftfile" accesskey="7">ntpd driftfile</a>:</td><td>  </td><td align="left" valign="top">driftfile option (-f)

+<tr><td align="left" valign="top">• <a href="#ntpd-driftfile" accesskey="7">ntpd driftfile</a></td><td>  </td><td align="left" valign="top">driftfile option (-f)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-panicgate" accesskey="8">ntpd panicgate</a>:</td><td>  </td><td align="left" valign="top">panicgate option (-g)

+<tr><td align="left" valign="top">• <a href="#ntpd-panicgate" accesskey="8">ntpd panicgate</a></td><td>  </td><td align="left" valign="top">panicgate option (-g)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-force_002dstep_002donce" accesskey="9">ntpd force-step-once</a>:</td><td>  </td><td align="left" valign="top">force-step-once option (-G)

+<tr><td align="left" valign="top">• <a href="#ntpd-force_002dstep_002donce" accesskey="9">ntpd force-step-once</a></td><td>  </td><td align="left" valign="top">force-step-once option (-G)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-jaildir">ntpd jaildir</a>:</td><td>  </td><td align="left" valign="top">jaildir option (-i)

+<tr><td align="left" valign="top">• <a href="#ntpd-jaildir">ntpd jaildir</a></td><td>  </td><td align="left" valign="top">jaildir option (-i)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-interface">ntpd interface</a>:</td><td>  </td><td align="left" valign="top">interface option (-I)

+<tr><td align="left" valign="top">• <a href="#ntpd-interface">ntpd interface</a></td><td>  </td><td align="left" valign="top">interface option (-I)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-keyfile">ntpd keyfile</a>:</td><td>  </td><td align="left" valign="top">keyfile option (-k)

+<tr><td align="left" valign="top">• <a href="#ntpd-keyfile">ntpd keyfile</a></td><td>  </td><td align="left" valign="top">keyfile option (-k)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-logfile">ntpd logfile</a>:</td><td>  </td><td align="left" valign="top">logfile option (-l)

+<tr><td align="left" valign="top">• <a href="#ntpd-logfile">ntpd logfile</a></td><td>  </td><td align="left" valign="top">logfile option (-l)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-novirtualips">ntpd novirtualips</a>:</td><td>  </td><td align="left" valign="top">novirtualips option (-L)

+<tr><td align="left" valign="top">• <a href="#ntpd-novirtualips">ntpd novirtualips</a></td><td>  </td><td align="left" valign="top">novirtualips option (-L)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-modifymmtimer">ntpd modifymmtimer</a>:</td><td>  </td><td align="left" valign="top">modifymmtimer option (-M)

+<tr><td align="left" valign="top">• <a href="#ntpd-modifymmtimer">ntpd modifymmtimer</a></td><td>  </td><td align="left" valign="top">modifymmtimer option (-M)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-nice">ntpd nice</a>:</td><td>  </td><td align="left" valign="top">nice option (-N)

+<tr><td align="left" valign="top">• <a href="#ntpd-nice">ntpd nice</a></td><td>  </td><td align="left" valign="top">nice option (-N)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-pidfile">ntpd pidfile</a>:</td><td>  </td><td align="left" valign="top">pidfile option (-p)

+<tr><td align="left" valign="top">• <a href="#ntpd-pidfile">ntpd pidfile</a></td><td>  </td><td align="left" valign="top">pidfile option (-p)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-priority">ntpd priority</a>:</td><td>  </td><td align="left" valign="top">priority option (-P)

+<tr><td align="left" valign="top">• <a href="#ntpd-priority">ntpd priority</a></td><td>  </td><td align="left" valign="top">priority option (-P)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-quit">ntpd quit</a>:</td><td>  </td><td align="left" valign="top">quit option (-q)

+<tr><td align="left" valign="top">• <a href="#ntpd-quit">ntpd quit</a></td><td>  </td><td align="left" valign="top">quit option (-q)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-propagationdelay">ntpd propagationdelay</a>:</td><td>  </td><td align="left" valign="top">propagationdelay option (-r)

+<tr><td align="left" valign="top">• <a href="#ntpd-propagationdelay">ntpd propagationdelay</a></td><td>  </td><td align="left" valign="top">propagationdelay option (-r)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-saveconfigquit">ntpd saveconfigquit</a>:</td><td>  </td><td align="left" valign="top">saveconfigquit option

+<tr><td align="left" valign="top">• <a href="#ntpd-saveconfigquit">ntpd saveconfigquit</a></td><td>  </td><td align="left" valign="top">saveconfigquit option

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-statsdir">ntpd statsdir</a>:</td><td>  </td><td align="left" valign="top">statsdir option (-s)

+<tr><td align="left" valign="top">• <a href="#ntpd-statsdir">ntpd statsdir</a></td><td>  </td><td align="left" valign="top">statsdir option (-s)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-trustedkey">ntpd trustedkey</a>:</td><td>  </td><td align="left" valign="top">trustedkey option (-t)

+<tr><td align="left" valign="top">• <a href="#ntpd-trustedkey">ntpd trustedkey</a></td><td>  </td><td align="left" valign="top">trustedkey option (-t)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-user">ntpd user</a>:</td><td>  </td><td align="left" valign="top">user option (-u)

+<tr><td align="left" valign="top">• <a href="#ntpd-user">ntpd user</a></td><td>  </td><td align="left" valign="top">user option (-u)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-updateinterval">ntpd updateinterval</a>:</td><td>  </td><td align="left" valign="top">updateinterval option (-U)

+<tr><td align="left" valign="top">• <a href="#ntpd-updateinterval">ntpd updateinterval</a></td><td>  </td><td align="left" valign="top">updateinterval option (-U)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-wait_002dsync">ntpd wait-sync</a>:</td><td>  </td><td align="left" valign="top">wait-sync option (-w)

+<tr><td align="left" valign="top">• <a href="#ntpd-wait_002dsync">ntpd wait-sync</a></td><td>  </td><td align="left" valign="top">wait-sync option (-w)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-slew">ntpd slew</a>:</td><td>  </td><td align="left" valign="top">slew option (-x)

+<tr><td align="left" valign="top">• <a href="#ntpd-slew">ntpd slew</a></td><td>  </td><td align="left" valign="top">slew option (-x)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-usepcc">ntpd usepcc</a>:</td><td>  </td><td align="left" valign="top">usepcc option

+<tr><td align="left" valign="top">• <a href="#ntpd-usepcc">ntpd usepcc</a></td><td>  </td><td align="left" valign="top">usepcc option

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-pccfreq">ntpd pccfreq</a>:</td><td>  </td><td align="left" valign="top">pccfreq option

+<tr><td align="left" valign="top">• <a href="#ntpd-pccfreq">ntpd pccfreq</a></td><td>  </td><td align="left" valign="top">pccfreq option

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-mdns">ntpd mdns</a>:</td><td>  </td><td align="left" valign="top">mdns option (-m)

+<tr><td align="left" valign="top">• <a href="#ntpd-mdns">ntpd mdns</a></td><td>  </td><td align="left" valign="top">mdns option (-m)

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-config">ntpd config</a>:</td><td>  </td><td align="left" valign="top">presetting/configuring ntpd

+<tr><td align="left" valign="top">• <a href="#ntpd-config">ntpd config</a></td><td>  </td><td align="left" valign="top">presetting/configuring ntpd

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-exit-status">ntpd exit status</a>:</td><td>  </td><td align="left" valign="top">exit status

+<tr><td align="left" valign="top">• <a href="#ntpd-exit-status">ntpd exit status</a></td><td>  </td><td align="left" valign="top">exit status

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-Usage">ntpd Usage</a>:</td><td>  </td><td align="left" valign="top">Usage

+<tr><td align="left" valign="top">• <a href="#ntpd-Usage">ntpd Usage</a></td><td>  </td><td align="left" valign="top">Usage

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-Files">ntpd Files</a>:</td><td>  </td><td align="left" valign="top">Files

+<tr><td align="left" valign="top">• <a href="#ntpd-Files">ntpd Files</a></td><td>  </td><td align="left" valign="top">Files

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-See-Also">ntpd See Also</a>:</td><td>  </td><td align="left" valign="top">See Also

+<tr><td align="left" valign="top">• <a href="#ntpd-See-Also">ntpd See Also</a></td><td>  </td><td align="left" valign="top">See Also

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-Bugs">ntpd Bugs</a>:</td><td>  </td><td align="left" valign="top">Bugs

+<tr><td align="left" valign="top">• <a href="#ntpd-Bugs">ntpd Bugs</a></td><td>  </td><td align="left" valign="top">Bugs

</td></tr>

-<tr><td align="left" valign="top">• <a href="#ntpd-Notes">ntpd Notes</a>:</td><td>  </td><td align="left" valign="top">Notes

+<tr><td align="left" valign="top">• <a href="#ntpd-Notes">ntpd Notes</a></td><td>  </td><td align="left" valign="top">Notes

</td></tr>

</table>

<hr>

-<a name="ntpd-usage"></a>

-<div class="header">

+<span id="ntpd-usage"></span><div class="header">

<p>

Next: <a href="#ntpd-ipv4" accesskey="n" rel="next">ntpd ipv4</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="ntpd-help_002fusage-_0028_002d_002dhelp_0029"></a>

-<h4 class="subsection">1.1.1 ntpd help/usage (<samp>--help</samp>)</h4>

-<a name="index-ntpd-help"></a>

+<span id="ntpd-help_002fusage-_0028_002d_002dhelp_0029"></span><h4 class="subsection">1.1.1 ntpd help/usage (<samp>--help</samp>)</h4>

+<span id="index-ntpd-help"></span>

<p>This is the automatically generated usage text for ntpd.

</p>

@@ -309,7 +292,7 @@ used to select the program, defaulting to <samp>more</samp>. Both will exit

with a status code of 0.

</p>

-<pre class="example">ntpd - NTP daemon program - Ver. 4.2.8p15

+<pre class="example">ntpd - NTP daemon program - Ver. 4.2.8p16

Usage: ntpd [ -<flag> [<val>] | --<name>[{=| }<val>] ]... \

[ <server1> ... <serverN> ]

Flg Arg Option-Name Description

@@ -377,18 +360,16 @@ hyphen and the flag character.

The following option preset mechanisms are supported:

- examining environment variables named NTPD_*

-Please send bug reports to: <http://bugs.ntp.org, bugs@ntp.org>

+Please send bug reports to: <https://bugs.ntp.org, bugs@ntp.org>

</pre></div>

<hr>

-<a name="ntpd-ipv4"></a>

-<div class="header">

+<span id="ntpd-ipv4"></span><div class="header">

<p>

Next: <a href="#ntpd-ipv6" accesskey="n" rel="next">ntpd ipv6</a>, Previous: <a href="#ntpd-usage" accesskey="p" rel="prev">ntpd usage</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="ipv4-option-_0028_002d4_0029"></a>

-<h4 class="subsection">1.1.2 ipv4 option (-4)</h4>

-<a name="index-ntpd_002dipv4"></a>

+<span id="ipv4-option-_0028_002d4_0029"></span><h4 class="subsection">1.1.2 ipv4 option (-4)</h4>

+<span id="index-ntpd_002dipv4"></span>

<p>This is the “force ipv4 dns name resolution” option.

</p>

@@ -401,14 +382,12 @@ ipv6.

<p>Force DNS resolution of following host names on the command line

to the IPv4 namespace.

</p><hr>

-<a name="ntpd-ipv6"></a>

-<div class="header">

+<span id="ntpd-ipv6"></span><div class="header">

<p>

Next: <a href="#ntpd-authreq" accesskey="n" rel="next">ntpd authreq</a>, Previous: <a href="#ntpd-ipv4" accesskey="p" rel="prev">ntpd ipv4</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="ipv6-option-_0028_002d6_0029"></a>

-<h4 class="subsection">1.1.3 ipv6 option (-6)</h4>

-<a name="index-ntpd_002dipv6"></a>

+<span id="ipv6-option-_0028_002d6_0029"></span><h4 class="subsection">1.1.3 ipv6 option (-6)</h4>

+<span id="index-ntpd_002dipv6"></span>

<p>This is the “force ipv6 dns name resolution” option.

</p>

@@ -421,14 +400,12 @@ ipv4.

<p>Force DNS resolution of following host names on the command line

to the IPv6 namespace.

</p><hr>

-<a name="ntpd-authreq"></a>

-<div class="header">

+<span id="ntpd-authreq"></span><div class="header">

<p>

Next: <a href="#ntpd-authnoreq" accesskey="n" rel="next">ntpd authnoreq</a>, Previous: <a href="#ntpd-ipv6" accesskey="p" rel="prev">ntpd ipv6</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="authreq-option-_0028_002da_0029"></a>

-<h4 class="subsection">1.1.4 authreq option (-a)</h4>

-<a name="index-ntpd_002dauthreq"></a>

+<span id="authreq-option-_0028_002da_0029"></span><h4 class="subsection">1.1.4 authreq option (-a)</h4>

+<span id="index-ntpd_002dauthreq"></span>

<p>This is the “require crypto authentication” option.

</p>

@@ -442,14 +419,12 @@ authnoreq.

multicast client and symmetric passive associations.

This is the default.

</p><hr>

-<a name="ntpd-authnoreq"></a>

-<div class="header">

+<span id="ntpd-authnoreq"></span><div class="header">

<p>

Next: <a href="#ntpd-configfile" accesskey="n" rel="next">ntpd configfile</a>, Previous: <a href="#ntpd-authreq" accesskey="p" rel="prev">ntpd authreq</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="authnoreq-option-_0028_002dA_0029"></a>

-<h4 class="subsection">1.1.5 authnoreq option (-A)</h4>

-<a name="index-ntpd_002dauthnoreq"></a>

+<span id="authnoreq-option-_0028_002dA_0029"></span><h4 class="subsection">1.1.5 authnoreq option (-A)</h4>

+<span id="index-ntpd_002dauthnoreq"></span>

<p>This is the “do not require crypto authentication” option.

</p>

@@ -463,14 +438,12 @@ authreq.

multicast client and symmetric passive associations.

This is almost never a good idea.

</p><hr>

-<a name="ntpd-configfile"></a>

-<div class="header">

+<span id="ntpd-configfile"></span><div class="header">

<p>

Next: <a href="#ntpd-driftfile" accesskey="n" rel="next">ntpd driftfile</a>, Previous: <a href="#ntpd-authnoreq" accesskey="p" rel="prev">ntpd authnoreq</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="configfile-option-_0028_002dc_0029"></a>

-<h4 class="subsection">1.1.6 configfile option (-c)</h4>

-<a name="index-ntpd_002dconfigfile"></a>

+<span id="configfile-option-_0028_002dc_0029"></span><h4 class="subsection">1.1.6 configfile option (-c)</h4>

+<span id="index-ntpd_002dconfigfile"></span>

<p>This is the “configuration file name” option.

This option takes a string argument.

@@ -478,14 +451,12 @@ The name and path of the configuration file,

by default.

</p><hr>

-<a name="ntpd-driftfile"></a>

-<div class="header">

+<span id="ntpd-driftfile"></span><div class="header">

<p>

Next: <a href="#ntpd-panicgate" accesskey="n" rel="next">ntpd panicgate</a>, Previous: <a href="#ntpd-configfile" accesskey="p" rel="prev">ntpd configfile</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="driftfile-option-_0028_002df_0029"></a>

-<h4 class="subsection">1.1.7 driftfile option (-f)</h4>

-<a name="index-ntpd_002ddriftfile"></a>

+<span id="driftfile-option-_0028_002df_0029"></span><h4 class="subsection">1.1.7 driftfile option (-f)</h4>

+<span id="index-ntpd_002ddriftfile"></span>

<p>This is the “frequency drift file name” option.

This option takes a string argument.

@@ -498,14 +469,12 @@ configuration specification in the

file.

</p><hr>

-<a name="ntpd-panicgate"></a>

-<div class="header">

+<span id="ntpd-panicgate"></span><div class="header">

<p>

Next: <a href="#ntpd-force_002dstep_002donce" accesskey="n" rel="next">ntpd force-step-once</a>, Previous: <a href="#ntpd-driftfile" accesskey="p" rel="prev">ntpd driftfile</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="panicgate-option-_0028_002dg_0029"></a>

-<h4 class="subsection">1.1.8 panicgate option (-g)</h4>

-<a name="index-ntpd_002dpanicgate"></a>

+<span id="panicgate-option-_0028_002dg_0029"></span><h4 class="subsection">1.1.8 panicgate option (-g)</h4>

+<span id="index-ntpd_002dpanicgate"></span>

<p>This is the “allow the first adjustment to be big” option.

</p>

@@ -527,14 +496,12 @@ See the

<code>tinker</code>

configuration file directive for other options.

</p><hr>

-<a name="ntpd-force_002dstep_002donce"></a>

-<div class="header">

+<span id="ntpd-force_002dstep_002donce"></span><div class="header">

<p>

Next: <a href="#ntpd-jaildir" accesskey="n" rel="next">ntpd jaildir</a>, Previous: <a href="#ntpd-panicgate" accesskey="p" rel="prev">ntpd panicgate</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="force_002dstep_002donce-option-_0028_002dG_0029"></a>

-<h4 class="subsection">1.1.9 force-step-once option (-G)</h4>

-<a name="index-ntpd_002dforce_002dstep_002donce"></a>

+<span id="force_002dstep_002donce-option-_0028_002dG_0029"></span><h4 class="subsection">1.1.9 force-step-once option (-G)</h4>

+<span id="index-ntpd_002dforce_002dstep_002donce"></span>

<p>This is the “step any initial offset correction.” option.

Normally,

@@ -548,14 +515,12 @@ so this option must not be used if

applications requiring monotonic time are running.

See the <code>tinker</code> configuration file directive for other options.

</p><hr>

-<a name="ntpd-jaildir"></a>

-<div class="header">

+<span id="ntpd-jaildir"></span><div class="header">

<p>

Next: <a href="#ntpd-interface" accesskey="n" rel="next">ntpd interface</a>, Previous: <a href="#ntpd-force_002dstep_002donce" accesskey="p" rel="prev">ntpd force-step-once</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="jaildir-option-_0028_002di_0029"></a>

-<h4 class="subsection">1.1.10 jaildir option (-i)</h4>

-<a name="index-ntpd_002djaildir"></a>

+<span id="jaildir-option-_0028_002di_0029"></span><h4 class="subsection">1.1.10 jaildir option (-i)</h4>

+<span id="index-ntpd_002djaildir"></span>

<p>This is the “jail directory” option.

This option takes a string argument.

@@ -578,14 +543,12 @@ This option is supported under NetBSD (configure with

<code>--enable-clockctl</code>) or Linux (configure with

<code>--enable-linuxcaps</code>) or Solaris (configure with <code>--enable-solarisprivs</code>).

</p><hr>

-<a name="ntpd-interface"></a>

-<div class="header">

+<span id="ntpd-interface"></span><div class="header">

<p>

Next: <a href="#ntpd-keyfile" accesskey="n" rel="next">ntpd keyfile</a>, Previous: <a href="#ntpd-jaildir" accesskey="p" rel="prev">ntpd jaildir</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="interface-option-_0028_002dI_0029"></a>

-<h4 class="subsection">1.1.11 interface option (-I)</h4>

-<a name="index-ntpd_002dinterface"></a>

+<span id="interface-option-_0028_002dI_0029"></span><h4 class="subsection">1.1.11 interface option (-I)</h4>

+<span id="index-ntpd_002dinterface"></span>

<p>This is the “listen on an interface name or address” option.

This option takes a string argument <samp>iface</samp>.

@@ -601,14 +564,12 @@ also implies not opening other addresses, except wildcard and localhost.

This option is deprecated. Please consider using the configuration file

<code>interface</code> command, which is more versatile.

</p><hr>

-<a name="ntpd-keyfile"></a>

-<div class="header">

+<span id="ntpd-keyfile"></span><div class="header">

<p>

Next: <a href="#ntpd-logfile" accesskey="n" rel="next">ntpd logfile</a>, Previous: <a href="#ntpd-interface" accesskey="p" rel="prev">ntpd interface</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="keyfile-option-_0028_002dk_0029"></a>

-<h4 class="subsection">1.1.12 keyfile option (-k)</h4>

-<a name="index-ntpd_002dkeyfile"></a>

+<span id="keyfile-option-_0028_002dk_0029"></span><h4 class="subsection">1.1.12 keyfile option (-k)</h4>

+<span id="index-ntpd_002dkeyfile"></span>

<p>This is the “path to symmetric keys” option.

This option takes a string argument.

@@ -619,14 +580,12 @@ This is the same operation as the

<code>keys</code> <kbd>keyfile</kbd>

configuration file directive.

</p><hr>

-<a name="ntpd-logfile"></a>

-<div class="header">

+<span id="ntpd-logfile"></span><div class="header">

<p>

Next: <a href="#ntpd-novirtualips" accesskey="n" rel="next">ntpd novirtualips</a>, Previous: <a href="#ntpd-keyfile" accesskey="p" rel="prev">ntpd keyfile</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="logfile-option-_0028_002dl_0029"></a>

-<h4 class="subsection">1.1.13 logfile option (-l)</h4>

-<a name="index-ntpd_002dlogfile"></a>

+<span id="logfile-option-_0028_002dl_0029"></span><h4 class="subsection">1.1.13 logfile option (-l)</h4>

+<span id="index-ntpd_002dlogfile"></span>

<p>This is the “path to the log file” option.

This option takes a string argument.

@@ -636,14 +595,12 @@ This is the same operation as the

<code>logfile</code> <kbd>logfile</kbd>

configuration file directive.

</p><hr>

-<a name="ntpd-novirtualips"></a>

-<div class="header">

+<span id="ntpd-novirtualips"></span><div class="header">

<p>

Next: <a href="#ntpd-modifymmtimer" accesskey="n" rel="next">ntpd modifymmtimer</a>, Previous: <a href="#ntpd-logfile" accesskey="p" rel="prev">ntpd logfile</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="novirtualips-option-_0028_002dL_0029"></a>

-<h4 class="subsection">1.1.14 novirtualips option (-L)</h4>

-<a name="index-ntpd_002dnovirtualips"></a>

+<span id="novirtualips-option-_0028_002dL_0029"></span><h4 class="subsection">1.1.14 novirtualips option (-L)</h4>

+<span id="index-ntpd_002dnovirtualips"></span>

<p>This is the “do not listen to virtual interfaces” option.

Do not listen to virtual interfaces, defined as those with

@@ -651,14 +608,12 @@ names containing a colon. This option is deprecated. Please

consider using the configuration file <code>interface</code> command, which

is more versatile.

</p><hr>

-<a name="ntpd-modifymmtimer"></a>

-<div class="header">

+<span id="ntpd-modifymmtimer"></span><div class="header">

<p>

Next: <a href="#ntpd-nice" accesskey="n" rel="next">ntpd nice</a>, Previous: <a href="#ntpd-novirtualips" accesskey="p" rel="prev">ntpd novirtualips</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="modifymmtimer-option-_0028_002dM_0029"></a>

-<h4 class="subsection">1.1.15 modifymmtimer option (-M)</h4>

-<a name="index-ntpd_002dmodifymmtimer"></a>

+<span id="modifymmtimer-option-_0028_002dM_0029"></span><h4 class="subsection">1.1.15 modifymmtimer option (-M)</h4>

+<span id="index-ntpd_002dmodifymmtimer"></span>

<p>This is the “modify multimedia timer (windows only)” option.

</p>

@@ -671,28 +626,24 @@ Next: <a href="#ntpd-nice" accesskey="n" rel="next">ntpd nice</a>, Previous: <a

ensures the resolution does not change while ntpd is running,

avoiding timekeeping glitches associated with changes.

</p><hr>

-<a name="ntpd-nice"></a>

-<div class="header">

+<span id="ntpd-nice"></span><div class="header">

<p>

Next: <a href="#ntpd-pidfile" accesskey="n" rel="next">ntpd pidfile</a>, Previous: <a href="#ntpd-modifymmtimer" accesskey="p" rel="prev">ntpd modifymmtimer</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="nice-option-_0028_002dN_0029"></a>

-<h4 class="subsection">1.1.16 nice option (-N)</h4>

-<a name="index-ntpd_002dnice"></a>

+<span id="nice-option-_0028_002dN_0029"></span><h4 class="subsection">1.1.16 nice option (-N)</h4>

+<span id="index-ntpd_002dnice"></span>

<p>This is the “run at high priority” option.

To the extent permitted by the operating system, run

at the highest priority.

</p><hr>

-<a name="ntpd-pidfile"></a>

-<div class="header">

+<span id="ntpd-pidfile"></span><div class="header">

<p>

Next: <a href="#ntpd-priority" accesskey="n" rel="next">ntpd priority</a>, Previous: <a href="#ntpd-nice" accesskey="p" rel="prev">ntpd nice</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="pidfile-option-_0028_002dp_0029"></a>

-<h4 class="subsection">1.1.17 pidfile option (-p)</h4>

-<a name="index-ntpd_002dpidfile"></a>

+<span id="pidfile-option-_0028_002dp_0029"></span><h4 class="subsection">1.1.17 pidfile option (-p)</h4>

+<span id="index-ntpd_002dpidfile"></span>

<p>This is the “path to the pid file” option.

This option takes a string argument.

@@ -703,14 +654,12 @@ This is the same operation as the

<code>pidfile</code> <kbd>pidfile</kbd>

configuration file directive.

</p><hr>

-<a name="ntpd-priority"></a>

-<div class="header">

+<span id="ntpd-priority"></span><div class="header">

<p>

Next: <a href="#ntpd-quit" accesskey="n" rel="next">ntpd quit</a>, Previous: <a href="#ntpd-pidfile" accesskey="p" rel="prev">ntpd pidfile</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="priority-option-_0028_002dP_0029"></a>

-<h4 class="subsection">1.1.18 priority option (-P)</h4>

-<a name="index-ntpd_002dpriority"></a>

+<span id="priority-option-_0028_002dP_0029"></span><h4 class="subsection">1.1.18 priority option (-P)</h4>

+<span id="index-ntpd_002dpriority"></span>

<p>This is the “process priority” option.

This option takes a number argument.

@@ -720,14 +669,12 @@ at the specified

<code>sched_setscheduler(SCHED_FIFO)</code>

priority.

</p><hr>

-<a name="ntpd-quit"></a>

-<div class="header">

+<span id="ntpd-quit"></span><div class="header">

<p>

Next: <a href="#ntpd-propagationdelay" accesskey="n" rel="next">ntpd propagationdelay</a>, Previous: <a href="#ntpd-priority" accesskey="p" rel="prev">ntpd priority</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="quit-option-_0028_002dq_0029"></a>

-<h4 class="subsection">1.1.19 quit option (-q)</h4>

-<a name="index-ntpd_002dquit"></a>

+<span id="quit-option-_0028_002dq_0029"></span><h4 class="subsection">1.1.19 quit option (-q)</h4>

+<span id="index-ntpd_002dquit"></span>

<p>This is the “set the time and quit” option.

</p>

@@ -749,27 +696,23 @@ and

options can be used with this option.

Note: The kernel time discipline is disabled with this option.

</p><hr>

-<a name="ntpd-propagationdelay"></a>

-<div class="header">

+<span id="ntpd-propagationdelay"></span><div class="header">

<p>

Next: <a href="#ntpd-saveconfigquit" accesskey="n" rel="next">ntpd saveconfigquit</a>, Previous: <a href="#ntpd-quit" accesskey="p" rel="prev">ntpd quit</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="propagationdelay-option-_0028_002dr_0029"></a>

-<h4 class="subsection">1.1.20 propagationdelay option (-r)</h4>

-<a name="index-ntpd_002dpropagationdelay"></a>

+<span id="propagationdelay-option-_0028_002dr_0029"></span><h4 class="subsection">1.1.20 propagationdelay option (-r)</h4>

+<span id="index-ntpd_002dpropagationdelay"></span>

<p>This is the “broadcast/propagation delay” option.

This option takes a string argument.

Specify the default propagation delay from the broadcast/multicast server to this client. This is necessary only if the delay cannot be computed automatically by the protocol.

</p><hr>

-<a name="ntpd-saveconfigquit"></a>

-<div class="header">

+<span id="ntpd-saveconfigquit"></span><div class="header">

<p>

Next: <a href="#ntpd-statsdir" accesskey="n" rel="next">ntpd statsdir</a>, Previous: <a href="#ntpd-propagationdelay" accesskey="p" rel="prev">ntpd propagationdelay</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="saveconfigquit-option"></a>

-<h4 class="subsection">1.1.21 saveconfigquit option</h4>

-<a name="index-ntpd_002dsaveconfigquit"></a>

+<span id="saveconfigquit-option"></span><h4 class="subsection">1.1.21 saveconfigquit option</h4>

+<span id="index-ntpd_002dsaveconfigquit"></span>

<p>This is the “save parsed configuration and quit” option.

This option takes a string argument.

@@ -785,14 +728,12 @@ quit, wait-sync.

equivalent to the given filename and exit. This option was

designed for automated testing.

</p><hr>

-<a name="ntpd-statsdir"></a>

-<div class="header">

+<span id="ntpd-statsdir"></span><div class="header">

<p>

Next: <a href="#ntpd-trustedkey" accesskey="n" rel="next">ntpd trustedkey</a>, Previous: <a href="#ntpd-saveconfigquit" accesskey="p" rel="prev">ntpd saveconfigquit</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="statsdir-option-_0028_002ds_0029"></a>

-<h4 class="subsection">1.1.22 statsdir option (-s)</h4>

-<a name="index-ntpd_002dstatsdir"></a>

+<span id="statsdir-option-_0028_002ds_0029"></span><h4 class="subsection">1.1.22 statsdir option (-s)</h4>

+<span id="index-ntpd_002dstatsdir"></span>

<p>This is the “statistics file location” option.

This option takes a string argument.

@@ -801,14 +742,12 @@ This is the same operation as the

<code>statsdir</code> <kbd>statsdir</kbd>

configuration file directive.

</p><hr>

-<a name="ntpd-trustedkey"></a>

-<div class="header">

+<span id="ntpd-trustedkey"></span><div class="header">

<p>

Next: <a href="#ntpd-user" accesskey="n" rel="next">ntpd user</a>, Previous: <a href="#ntpd-statsdir" accesskey="p" rel="prev">ntpd statsdir</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="trustedkey-option-_0028_002dt_0029"></a>

-<h4 class="subsection">1.1.23 trustedkey option (-t)</h4>

-<a name="index-ntpd_002dtrustedkey"></a>

+<span id="trustedkey-option-_0028_002dt_0029"></span><h4 class="subsection">1.1.23 trustedkey option (-t)</h4>

+<span id="index-ntpd_002dtrustedkey"></span>

<p>This is the “trusted key number” option.

This option takes a string argument <samp>tkey</samp>.

@@ -820,14 +759,12 @@ This option takes a string argument <samp>tkey</samp>.

<p>Add the specified key number to the trusted key list.

</p><hr>

-<a name="ntpd-user"></a>

-<div class="header">

+<span id="ntpd-user"></span><div class="header">

<p>

Next: <a href="#ntpd-updateinterval" accesskey="n" rel="next">ntpd updateinterval</a>, Previous: <a href="#ntpd-trustedkey" accesskey="p" rel="prev">ntpd trustedkey</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="user-option-_0028_002du_0029"></a>

-<h4 class="subsection">1.1.24 user option (-u)</h4>

-<a name="index-ntpd_002duser"></a>

+<span id="user-option-_0028_002du_0029"></span><h4 class="subsection">1.1.24 user option (-u)</h4>

+<span id="index-ntpd_002duser"></span>

<p>This is the “run as userid (or userid:groupid)” option.

This option takes a string argument.

@@ -844,14 +781,12 @@ This option is supported under NetBSD (configure with

<code>--enable-clockctl</code>) or Linux (configure with

<code>--enable-linuxcaps</code>) or Solaris (configure with <code>--enable-solarisprivs</code>).

</p><hr>

-<a name="ntpd-updateinterval"></a>

-<div class="header">

+<span id="ntpd-updateinterval"></span><div class="header">

<p>

Next: <a href="#ntpd-wait_002dsync" accesskey="n" rel="next">ntpd wait-sync</a>, Previous: <a href="#ntpd-user" accesskey="p" rel="prev">ntpd user</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="updateinterval-option-_0028_002dU_0029"></a>

-<h4 class="subsection">1.1.25 updateinterval option (-U)</h4>

-<a name="index-ntpd_002dupdateinterval"></a>

+<span id="updateinterval-option-_0028_002dU_0029"></span><h4 class="subsection">1.1.25 updateinterval option (-U)</h4>

+<span id="index-ntpd_002dupdateinterval"></span>

<p>This is the “interval in seconds between scans for new or dropped interfaces” option.

This option takes a number argument.

@@ -860,14 +795,12 @@ For systems with routing socket support the scans will be performed shortly afte

has been detected by the system.

Use 0 to disable scanning. 60 seconds is the minimum time between scans.

</p><hr>

-<a name="ntpd-wait_002dsync"></a>

-<div class="header">

+<span id="ntpd-wait_002dsync"></span><div class="header">

<p>

Next: <a href="#ntpd-slew" accesskey="n" rel="next">ntpd slew</a>, Previous: <a href="#ntpd-updateinterval" accesskey="p" rel="prev">ntpd updateinterval</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="wait_002dsync-option-_0028_002dw_0029"></a>

-<h4 class="subsection">1.1.26 wait-sync option (-w)</h4>

-<a name="index-ntpd_002dwait_002dsync"></a>

+<span id="wait_002dsync-option-_0028_002dw_0029"></span><h4 class="subsection">1.1.26 wait-sync option (-w)</h4>

+<span id="index-ntpd_002dwait_002dsync"></span>

<p>This is the “seconds to wait for first clock sync” option.

This option takes a number argument.

@@ -888,14 +821,12 @@ otherwise it is <code>ETIMEDOUT</code>.

This provides the option for a script starting <code>ntpd</code> to easily

wait for the first set of the clock before proceeding.

</p><hr>

-<a name="ntpd-slew"></a>

-<div class="header">

+<span id="ntpd-slew"></span><div class="header">

<p>

Next: <a href="#ntpd-usepcc" accesskey="n" rel="next">ntpd usepcc</a>, Previous: <a href="#ntpd-wait_002dsync" accesskey="p" rel="prev">ntpd wait-sync</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="slew-option-_0028_002dx_0029"></a>

-<h4 class="subsection">1.1.27 slew option (-x)</h4>

-<a name="index-ntpd_002dslew"></a>

+<span id="slew-option-_0028_002dx_0029"></span><h4 class="subsection">1.1.27 slew option (-x)</h4>

+<span id="index-ntpd_002dslew"></span>

<p>This is the “slew up to 600 seconds” option.

Normally, the time is slewed if the offset is less than the step threshold, which is 128 ms by default, and stepped if above the threshold.

@@ -912,14 +843,12 @@ See the

configuration file directive for other options.

Note: The kernel time discipline is disabled with this option.

</p><hr>

-<a name="ntpd-usepcc"></a>

-<div class="header">

+<span id="ntpd-usepcc"></span><div class="header">

<p>

Next: <a href="#ntpd-pccfreq" accesskey="n" rel="next">ntpd pccfreq</a>, Previous: <a href="#ntpd-slew" accesskey="p" rel="prev">ntpd slew</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="usepcc-option"></a>

-<h4 class="subsection">1.1.28 usepcc option</h4>

-<a name="index-ntpd_002dusepcc"></a>

+<span id="usepcc-option"></span><h4 class="subsection">1.1.28 usepcc option</h4>

+<span id="index-ntpd_002dusepcc"></span>

<p>This is the “use cpu cycle counter (windows only)” option.

</p>

@@ -933,14 +862,12 @@ The CPU counter and <code>QueryPerformanceCounter</code> are compared, and if

they have the same frequency, the CPU counter (RDTSC on x86) is

used directly, saving the overhead of a system call.

</p><hr>

-<a name="ntpd-pccfreq"></a>

-<div class="header">

+<span id="ntpd-pccfreq"></span><div class="header">

<p>

Next: <a href="#ntpd-mdns" accesskey="n" rel="next">ntpd mdns</a>, Previous: <a href="#ntpd-usepcc" accesskey="p" rel="prev">ntpd usepcc</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="pccfreq-option"></a>

-<h4 class="subsection">1.1.29 pccfreq option</h4>

-<a name="index-ntpd_002dpccfreq"></a>

+<span id="pccfreq-option"></span><h4 class="subsection">1.1.29 pccfreq option</h4>

+<span id="index-ntpd_002dpccfreq"></span>

<p>This is the “force cpu cycle counter use (windows only)” option.

This option takes a string argument.

@@ -954,14 +881,12 @@ This option takes a string argument.

The CPU counter (RDTSC on x86) is used unconditionally with the

given frequency (in Hz).

</p><hr>

-<a name="ntpd-mdns"></a>

-<div class="header">

+<span id="ntpd-mdns"></span><div class="header">

<p>

Next: <a href="#ntpd-config" accesskey="n" rel="next">ntpd config</a>, Previous: <a href="#ntpd-pccfreq" accesskey="p" rel="prev">ntpd pccfreq</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="mdns-option-_0028_002dm_0029"></a>

-<h4 class="subsection">1.1.30 mdns option (-m)</h4>

-<a name="index-ntpd_002dmdns"></a>

+<span id="mdns-option-_0028_002dm_0029"></span><h4 class="subsection">1.1.30 mdns option (-m)</h4>

+<span id="index-ntpd_002dmdns"></span>

<p>This is the “register with mdns as a ntp server” option.

</p>

@@ -975,13 +900,11 @@ the server to be discovered via mDNS client lookup.

</p>

<hr>

-<a name="ntpd-config"></a>

-<div class="header">

+<span id="ntpd-config"></span><div class="header">

<p>

Next: <a href="#ntpd-exit-status" accesskey="n" rel="next">ntpd exit status</a>, Previous: <a href="#ntpd-mdns" accesskey="p" rel="prev">ntpd mdns</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="presetting_002fconfiguring-ntpd"></a>

-<h4 class="subsection">1.1.31 presetting/configuring ntpd</h4>

+<span id="presetting_002fconfiguring-ntpd"></span><h4 class="subsection">1.1.31 presetting/configuring ntpd</h4>

<p>Any option that is not marked as <i>not presettable</i> may be preset by

loading values from environment variables named <code>NTPD</code> and <code>NTPD_<OPTION_NAME></code>. <code><OPTION_NAME></code> must be one of

@@ -993,12 +916,11 @@ values are treated like option arguments.

<p>The command line options relating to configuration and/or usage help are:

</p>

-<a name="version-_0028_002d_0029"></a>

-<h4 class="subsubheading">version (-)</h4>

+<span id="version-_0028_002d_0029"></span><h4 class="subsubheading">version (-)</h4>

<p>Print the program version to standard out, optionally with licensing

information, then exit 0. The optional argument specifies how much licensing

-detail to provide. The default is to print just the version. The licensing infomation may be selected with an option argument.

+detail to provide. The default is to print just the version. The licensing information may be selected with an option argument.

Only the first letter of the argument is examined:

</p>

@@ -1014,13 +936,11 @@ Only the first letter of the argument is examined:

</dl>

<hr>

-<a name="ntpd-exit-status"></a>

-<div class="header">

+<span id="ntpd-exit-status"></span><div class="header">

<p>

Next: <a href="#ntpd-Usage" accesskey="n" rel="next">ntpd Usage</a>, Previous: <a href="#ntpd-config" accesskey="p" rel="prev">ntpd config</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="ntpd-exit-status-1"></a>

-<h4 class="subsection">1.1.32 ntpd exit status</h4>

+<span id="ntpd-exit-status-1"></span><h4 class="subsection">1.1.32 ntpd exit status</h4>

<p>One of the following exit values will be returned:

</p><dl compact="compact">

@@ -1032,54 +952,42 @@ Next: <a href="#ntpd-Usage" accesskey="n" rel="next">ntpd Usage</a>, Previous: <

</p></dd>

</dl>

<hr>

-<a name="ntpd-Usage"></a>

-<div class="header">

+<span id="ntpd-Usage"></span><div class="header">

<p>

Next: <a href="#ntpd-Files" accesskey="n" rel="next">ntpd Files</a>, Previous: <a href="#ntpd-exit-status" accesskey="p" rel="prev">ntpd exit status</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="ntpd-Usage-1"></a>

-<h4 class="subsection">1.1.33 ntpd Usage</h4>

+<span id="ntpd-Usage-1"></span><h4 class="subsection">1.1.33 ntpd Usage</h4>

<hr>

-<a name="ntpd-Files"></a>

-<div class="header">

+<span id="ntpd-Files"></span><div class="header">

<p>

Next: <a href="#ntpd-See-Also" accesskey="n" rel="next">ntpd See Also</a>, Previous: <a href="#ntpd-Usage" accesskey="p" rel="prev">ntpd Usage</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="ntpd-Files-1"></a>

-<h4 class="subsection">1.1.34 ntpd Files</h4>

+<span id="ntpd-Files-1"></span><h4 class="subsection">1.1.34 ntpd Files</h4>

<hr>

-<a name="ntpd-See-Also"></a>

-<div class="header">

+<span id="ntpd-See-Also"></span><div class="header">

<p>

Next: <a href="#ntpd-Bugs" accesskey="n" rel="next">ntpd Bugs</a>, Previous: <a href="#ntpd-Files" accesskey="p" rel="prev">ntpd Files</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="ntpd-See-Also-1"></a>

-<h4 class="subsection">1.1.35 ntpd See Also</h4>

+<span id="ntpd-See-Also-1"></span><h4 class="subsection">1.1.35 ntpd See Also</h4>

<hr>

-<a name="ntpd-Bugs"></a>

-<div class="header">

+<span id="ntpd-Bugs"></span><div class="header">

<p>

Next: <a href="#ntpd-Notes" accesskey="n" rel="next">ntpd Notes</a>, Previous: <a href="#ntpd-See-Also" accesskey="p" rel="prev">ntpd See Also</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="ntpd-Bugs-1"></a>

-<h4 class="subsection">1.1.36 ntpd Bugs</h4>

+<span id="ntpd-Bugs-1"></span><h4 class="subsection">1.1.36 ntpd Bugs</h4>

<hr>

-<a name="ntpd-Notes"></a>

-<div class="header">

+<span id="ntpd-Notes"></span><div class="header">

<p>

Previous: <a href="#ntpd-Bugs" accesskey="p" rel="prev">ntpd Bugs</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a>   </p>

</div>

-<a name="ntpd-Notes-1"></a>

-<h4 class="subsection">1.1.37 ntpd Notes</h4>

+<span id="ntpd-Notes-1"></span><h4 class="subsection">1.1.37 ntpd Notes</h4>

<hr>

-<a name="Usage"></a>

-<div class="header">

+<span id="Usage"></span><div class="header">

<p>

Previous: <a href="#ntpd-Invocation" accesskey="p" rel="prev">ntpd Invocation</a>, Up: <a href="#ntpd-Description" accesskey="u" rel="up">ntpd Description</a>   </p>

</div>

-<a name="Usage-1"></a>

-<h3 class="section">1.2 Usage</h3>

+<span id="Usage-1"></span><h3 class="section">1.2 Usage</h3>

<table>

<thead><tr><th width="23%">What</th><th width="23%">Default</th><th width="5%">Flag</th><th width="15%">Option</th></tr></thead>