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Diffstat (limited to 'contrib/ntp/ntpd/ntp.conf.html')
| -rw-r--r-- | contrib/ntp/ntpd/ntp.conf.html | 44 |
1 files changed, 34 insertions, 10 deletions
diff --git a/contrib/ntp/ntpd/ntp.conf.html b/contrib/ntp/ntpd/ntp.conf.html index c50f0e1eec62..c7f1b747921e 100644 --- a/contrib/ntp/ntpd/ntp.conf.html +++ b/contrib/ntp/ntpd/ntp.conf.html @@ -33,7 +33,7 @@ Up: <a rel="up" accesskey="u" href="#dir">(dir)</a> <p>This document describes the configuration file for the NTP Project's <code>ntpd</code> program. - <p>This document applies to version 4.2.8p6 of <code>ntp.conf</code>. + <p>This document applies to version 4.2.8p7 of <code>ntp.conf</code>. <div class="shortcontents"> <h2>Short Contents</h2> @@ -296,7 +296,9 @@ described in instead of the usual one. The packet spacing is normally 2 s; however, the spacing between the first and second packets -can be changed with the calldelay command to allow +can be changed with the +<code>calldelay</code> +command to allow additional time for a modem or ISDN call to complete. This is designed to improve timekeeping quality with the @@ -306,7 +308,9 @@ command and s addresses. instead of the usual one. The packet spacing is normally 2 s; however, the spacing between the first two packets can be -changed with the calldelay command to allow +changed with the +<code>calldelay</code> +command to allow additional time for a modem or ISDN call to complete. This is designed to speed the initial synchronization acquisition with the @@ -335,6 +339,8 @@ the option to a lower limit of 4 (16 s). <br><dt><code>noselect</code><dd>Marks the server as unused, except for display purposes. The server is discarded by the selection algroithm. +<br><dt><code>preempt</code><dd>Says the association can be preempted. +<br><dt><code>true</code><dd>Marks the server as a truechimer. <br><dt><code>prefer</code><dd>Marks the server as preferred. All other things being equal, this host will be chosen for synchronization among a set of @@ -362,6 +368,11 @@ network administrator. packets. Versions 1-4 are the choices, with version 4 the default. +<br><dt><code>xleave</code><dd>Valid in +<code>peer</code> +and +<code>broadcast</code> +modes only, this flag enables interleave mode. </dl> <h5 class="subsubsection">Auxiliary Commands</h5> @@ -1369,7 +1380,9 @@ Source address based restrictions are easily circumvented by a determined cracker. <p>Clients can be denied service because they are explicitly -included in the restrict list created by the restrict command +included in the restrict list created by the +<code>restrict</code> +command or implicitly as the result of cryptographic or rate limit violations. Cryptographic violations include certificate @@ -1438,7 +1451,9 @@ Packets that violate these minima are discarded and a kiss-o'-death packet returned if enabled. The default minimum average and minimum are 5 and 2, respectively. -The monitor subcommand specifies the probability of discard +The +<code>monitor</code> +subcommand specifies the probability of discard for packets that overflow the rate-control window. <br><dt><code>restrict</code> <code>address</code> <code>[mask </code><kbd>mask</kbd><code>]</code> <code>[</code><kbd>flag</kbd> <kbd>...</kbd><code>]</code><dd>The <kbd>address</kbd> @@ -1490,7 +1505,9 @@ per second. If another KoD packet occurs within one second after the last one, the packet is dropped. <br><dt><code>limited</code><dd>Deny service if the packet spacing violates the lower limits specified -in the discard command. +in the +<code>discard</code> +command. A history of clients is kept using the monitoring capability of <code>ntpd(1ntpdmdoc)</code>. @@ -1615,8 +1632,11 @@ The library can also be used with other NTPv4 modes as well and is highly recommended, especially for broadcast modes. <p>A persistent manycast client association is configured -using the manycastclient command, which is similar to the -server command but with a multicast (IPv4 class +using the +<code>manycastclient</code> +command, which is similar to the +<code>server</code> +command but with a multicast (IPv4 class <code>D</code> or IPv6 prefix <code>FF</code>) @@ -1686,7 +1706,9 @@ command and, under normal circumstances, increments to the <code>maxpolll</code> value specified in this command. Initially, the TTL is -set at the minimum hops specified by the ttl command. +set at the minimum hops specified by the +<code>ttl</code> +command. At each retransmission the TTL is increased until reaching the maximum hops specified by this command or a sufficient number client associations have been found. @@ -2503,7 +2525,9 @@ peers, system events and so on is suppressed. be used instead of the default system <code>syslog(3)</code> facility. -This is the same operation as the -l command line option. +This is the same operation as the +<code>-l</code> +command line option. <br><dt><code>setvar</code> <kbd>variable</kbd> <code>[default]</code><dd>This command adds an additional system variable. These variables can be used to distribute additional information such as |