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@@ -14,7 +14,7 @@
- OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- PERFORMANCE OF THIS SOFTWARE.
-->
<!-- $Id: Bv9ARM.ch06.html,v 1.297 2011/10/28 12:23:39 tbox Exp $ -->
<!-- $Id: Bv9ARM.ch06.html,v 1.298 2011/11/05 01:14:50 tbox Exp $ -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
@@ -48,58 +48,58 @@
<dt><span class="sect1"><a href="Bv9ARM.ch06.html#configuration_file_elements">Configuration File Elements</a></span></dt>
<dd><dl>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#address_match_lists">Address Match Lists</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574419">Comment Syntax</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2574465">Comment Syntax</a></span></dt>
</dl></dd>
<dt><span class="sect1"><a href="Bv9ARM.ch06.html#Configuration_File_Grammar">Configuration File Grammar</a></span></dt>
<dd><dl>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2575147"><span><strong class="command">acl</strong></span> Statement Grammar</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2575193"><span><strong class="command">acl</strong></span> Statement Grammar</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#acl"><span><strong class="command">acl</strong></span> Statement Definition and
Usage</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2575337"><span><strong class="command">controls</strong></span> Statement Grammar</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2575383"><span><strong class="command">controls</strong></span> Statement Grammar</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#controls_statement_definition_and_usage"><span><strong class="command">controls</strong></span> Statement Definition and
Usage</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2575697"><span><strong class="command">include</strong></span> Statement Grammar</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2575714"><span><strong class="command">include</strong></span> Statement Definition and
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2575742"><span><strong class="command">include</strong></span> Statement Grammar</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2575760"><span><strong class="command">include</strong></span> Statement Definition and
Usage</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2575737"><span><strong class="command">key</strong></span> Statement Grammar</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2575761"><span><strong class="command">key</strong></span> Statement Definition and Usage</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2575920"><span><strong class="command">logging</strong></span> Statement Grammar</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2576114"><span><strong class="command">logging</strong></span> Statement Definition and
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2575783"><span><strong class="command">key</strong></span> Statement Grammar</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2575806"><span><strong class="command">key</strong></span> Statement Definition and Usage</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2575965"><span><strong class="command">logging</strong></span> Statement Grammar</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2576160"><span><strong class="command">logging</strong></span> Statement Definition and
Usage</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2578071"><span><strong class="command">lwres</strong></span> Statement Grammar</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2578145"><span><strong class="command">lwres</strong></span> Statement Definition and Usage</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2578209"><span><strong class="command">masters</strong></span> Statement Grammar</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2578252"><span><strong class="command">masters</strong></span> Statement Definition and
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2578117"><span><strong class="command">lwres</strong></span> Statement Grammar</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2578259"><span><strong class="command">lwres</strong></span> Statement Definition and Usage</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2578323"><span><strong class="command">masters</strong></span> Statement Grammar</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2578366"><span><strong class="command">masters</strong></span> Statement Definition and
Usage</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2578274"><span><strong class="command">options</strong></span> Statement Grammar</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2578388"><span><strong class="command">options</strong></span> Statement Grammar</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#options"><span><strong class="command">options</strong></span> Statement Definition and
Usage</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#server_statement_grammar"><span><strong class="command">server</strong></span> Statement Grammar</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#server_statement_definition_and_usage"><span><strong class="command">server</strong></span> Statement Definition and
Usage</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#statschannels"><span><strong class="command">statistics-channels</strong></span> Statement Grammar</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2589798"><span><strong class="command">statistics-channels</strong></span> Statement Definition and
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2590117"><span><strong class="command">statistics-channels</strong></span> Statement Definition and
Usage</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#trusted-keys"><span><strong class="command">trusted-keys</strong></span> Statement Grammar</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2590006"><span><strong class="command">trusted-keys</strong></span> Statement Definition
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2590257"><span><strong class="command">trusted-keys</strong></span> Statement Definition
and Usage</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2590053"><span><strong class="command">managed-keys</strong></span> Statement Grammar</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2590304"><span><strong class="command">managed-keys</strong></span> Statement Grammar</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#managed-keys"><span><strong class="command">managed-keys</strong></span> Statement Definition
and Usage</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#view_statement_grammar"><span><strong class="command">view</strong></span> Statement Grammar</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2590547"><span><strong class="command">view</strong></span> Statement Definition and Usage</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2590729"><span><strong class="command">view</strong></span> Statement Definition and Usage</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#zone_statement_grammar"><span><strong class="command">zone</strong></span>
Statement Grammar</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2592295"><span><strong class="command">zone</strong></span> Statement Definition and Usage</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2592409"><span><strong class="command">zone</strong></span> Statement Definition and Usage</a></span></dt>
</dl></dd>
<dt><span class="sect1"><a href="Bv9ARM.ch06.html#id2595724">Zone File</a></span></dt>
<dt><span class="sect1"><a href="Bv9ARM.ch06.html#id2595907">Zone File</a></span></dt>
<dd><dl>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#types_of_resource_records_and_when_to_use_them">Types of Resource Records and When to Use Them</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2597955">Discussion of MX Records</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2598069">Discussion of MX Records</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#Setting_TTLs">Setting TTLs</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2598570">Inverse Mapping in IPv4</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2598697">Other Zone File Directives</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2598902"><acronym class="acronym">BIND</acronym> Master File Extension: the <span><strong class="command">$GENERATE</strong></span> Directive</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2598684">Inverse Mapping in IPv4</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2598880">Other Zone File Directives</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#id2599084"><acronym class="acronym">BIND</acronym> Master File Extension: the <span><strong class="command">$GENERATE</strong></span> Directive</a></span></dt>
<dt><span class="sect2"><a href="Bv9ARM.ch06.html#zonefile_format">Additional File Formats</a></span></dt>
</dl></dd>
<dt><span class="sect1"><a href="Bv9ARM.ch06.html#statistics">BIND9 Statistics</a></span></dt>
@@ -477,7 +477,7 @@
<a name="address_match_lists"></a>Address Match Lists</h3></div></div></div>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2574185"></a>Syntax</h4></div></div></div>
<a name="id2574299"></a>Syntax</h4></div></div></div>
<pre class="programlisting"><code class="varname">address_match_list</code> = address_match_list_element ;
[<span class="optional"> address_match_list_element; ... </span>]
<code class="varname">address_match_list_element</code> = [<span class="optional"> ! </span>] (ip_address [<span class="optional">/length</span>] |
@@ -486,7 +486,7 @@
</div>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2574213"></a>Definition and Usage</h4></div></div></div>
<a name="id2574327"></a>Definition and Usage</h4></div></div></div>
<p>
Address match lists are primarily used to determine access
control for various server operations. They are also used in
@@ -570,7 +570,7 @@
</div>
<div class="sect2" lang="en">
<div class="titlepage"><div><div><h3 class="title">
<a name="id2574419"></a>Comment Syntax</h3></div></div></div>
<a name="id2574465"></a>Comment Syntax</h3></div></div></div>
<p>
The <acronym class="acronym">BIND</acronym> 9 comment syntax allows for
comments to appear
@@ -580,7 +580,7 @@
</p>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2574434"></a>Syntax</h4></div></div></div>
<a name="id2574616"></a>Syntax</h4></div></div></div>
<p>
</p>
<pre class="programlisting">/* This is a <acronym class="acronym">BIND</acronym> comment as in C */</pre>
@@ -596,7 +596,7 @@
</div>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2574464"></a>Definition and Usage</h4></div></div></div>
<a name="id2574646"></a>Definition and Usage</h4></div></div></div>
<p>
Comments may appear anywhere that whitespace may appear in
a <acronym class="acronym">BIND</acronym> configuration file.
@@ -850,7 +850,7 @@
</p>
<div class="sect2" lang="en">
<div class="titlepage"><div><div><h3 class="title">
<a name="id2575147"></a><span><strong class="command">acl</strong></span> Statement Grammar</h3></div></div></div>
<a name="id2575193"></a><span><strong class="command">acl</strong></span> Statement Grammar</h3></div></div></div>
<pre class="programlisting"><span><strong class="command">acl</strong></span> acl-name {
address_match_list
};
@@ -932,7 +932,7 @@
</div>
<div class="sect2" lang="en">
<div class="titlepage"><div><div><h3 class="title">
<a name="id2575337"></a><span><strong class="command">controls</strong></span> Statement Grammar</h3></div></div></div>
<a name="id2575383"></a><span><strong class="command">controls</strong></span> Statement Grammar</h3></div></div></div>
<pre class="programlisting"><span><strong class="command">controls</strong></span> {
[ inet ( ip_addr | * ) [ port ip_port ]
allow { <em class="replaceable"><code> address_match_list </code></em> }
@@ -1056,12 +1056,12 @@
</div>
<div class="sect2" lang="en">
<div class="titlepage"><div><div><h3 class="title">
<a name="id2575697"></a><span><strong class="command">include</strong></span> Statement Grammar</h3></div></div></div>
<a name="id2575742"></a><span><strong class="command">include</strong></span> Statement Grammar</h3></div></div></div>
<pre class="programlisting"><span><strong class="command">include</strong></span> <em class="replaceable"><code>filename</code></em>;</pre>
</div>
<div class="sect2" lang="en">
<div class="titlepage"><div><div><h3 class="title">
<a name="id2575714"></a><span><strong class="command">include</strong></span> Statement Definition and
<a name="id2575760"></a><span><strong class="command">include</strong></span> Statement Definition and
Usage</h3></div></div></div>
<p>
The <span><strong class="command">include</strong></span> statement inserts the
@@ -1076,7 +1076,7 @@
</div>
<div class="sect2" lang="en">
<div class="titlepage"><div><div><h3 class="title">
<a name="id2575737"></a><span><strong class="command">key</strong></span> Statement Grammar</h3></div></div></div>
<a name="id2575783"></a><span><strong class="command">key</strong></span> Statement Grammar</h3></div></div></div>
<pre class="programlisting"><span><strong class="command">key</strong></span> <em class="replaceable"><code>key_id</code></em> {
algorithm <em class="replaceable"><code>string</code></em>;
secret <em class="replaceable"><code>string</code></em>;
@@ -1085,7 +1085,7 @@
</div>
<div class="sect2" lang="en">
<div class="titlepage"><div><div><h3 class="title">
<a name="id2575761"></a><span><strong class="command">key</strong></span> Statement Definition and Usage</h3></div></div></div>
<a name="id2575806"></a><span><strong class="command">key</strong></span> Statement Definition and Usage</h3></div></div></div>
<p>
The <span><strong class="command">key</strong></span> statement defines a shared
secret key for use with TSIG (see <a href="Bv9ARM.ch04.html#tsig" title="TSIG">the section called &#8220;TSIG&#8221;</a>)
@@ -1132,7 +1132,7 @@
</div>
<div class="sect2" lang="en">
<div class="titlepage"><div><div><h3 class="title">
<a name="id2575920"></a><span><strong class="command">logging</strong></span> Statement Grammar</h3></div></div></div>
<a name="id2575965"></a><span><strong class="command">logging</strong></span> Statement Grammar</h3></div></div></div>
<pre class="programlisting"><span><strong class="command">logging</strong></span> {
[ <span><strong class="command">channel</strong></span> <em class="replaceable"><code>channel_name</code></em> {
( <span><strong class="command">file</strong></span> <em class="replaceable"><code>path_name</code></em>
@@ -1156,7 +1156,7 @@
</div>
<div class="sect2" lang="en">
<div class="titlepage"><div><div><h3 class="title">
<a name="id2576114"></a><span><strong class="command">logging</strong></span> Statement Definition and
<a name="id2576160"></a><span><strong class="command">logging</strong></span> Statement Definition and
Usage</h3></div></div></div>
<p>
The <span><strong class="command">logging</strong></span> statement configures a
@@ -1190,7 +1190,7 @@
</p>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2576166"></a>The <span><strong class="command">channel</strong></span> Phrase</h4></div></div></div>
<a name="id2576212"></a>The <span><strong class="command">channel</strong></span> Phrase</h4></div></div></div>
<p>
All log output goes to one or more <span class="emphasis"><em>channels</em></span>;
you can make as many of them as you want.
@@ -1768,7 +1768,7 @@ category notify { null; };
</div>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2577620"></a>The <span><strong class="command">query-errors</strong></span> Category</h4></div></div></div>
<a name="id2577597"></a>The <span><strong class="command">query-errors</strong></span> Category</h4></div></div></div>
<p>
The <span><strong class="command">query-errors</strong></span> category is
specifically intended for debugging purposes: To identify
@@ -1996,7 +1996,7 @@ badresp:1,adberr:0,findfail:0,valfail:0]
</div>
<div class="sect2" lang="en">
<div class="titlepage"><div><div><h3 class="title">
<a name="id2578071"></a><span><strong class="command">lwres</strong></span> Statement Grammar</h3></div></div></div>
<a name="id2578117"></a><span><strong class="command">lwres</strong></span> Statement Grammar</h3></div></div></div>
<p>
This is the grammar of the <span><strong class="command">lwres</strong></span>
statement in the <code class="filename">named.conf</code> file:
@@ -2012,7 +2012,7 @@ badresp:1,adberr:0,findfail:0,valfail:0]
</div>
<div class="sect2" lang="en">
<div class="titlepage"><div><div><h3 class="title">
<a name="id2578145"></a><span><strong class="command">lwres</strong></span> Statement Definition and Usage</h3></div></div></div>
<a name="id2578259"></a><span><strong class="command">lwres</strong></span> Statement Definition and Usage</h3></div></div></div>
<p>
The <span><strong class="command">lwres</strong></span> statement configures the
name
@@ -2063,7 +2063,7 @@ badresp:1,adberr:0,findfail:0,valfail:0]
</div>
<div class="sect2" lang="en">
<div class="titlepage"><div><div><h3 class="title">
<a name="id2578209"></a><span><strong class="command">masters</strong></span> Statement Grammar</h3></div></div></div>
<a name="id2578323"></a><span><strong class="command">masters</strong></span> Statement Grammar</h3></div></div></div>
<pre class="programlisting">
<span><strong class="command">masters</strong></span> <em class="replaceable"><code>name</code></em> [<span class="optional">port <em class="replaceable"><code>ip_port</code></em></span>] { ( <em class="replaceable"><code>masters_list</code></em> |
<em class="replaceable"><code>ip_addr</code></em> [<span class="optional">port <em class="replaceable"><code>ip_port</code></em></span>] [<span class="optional">key <em class="replaceable"><code>key</code></em></span>] ) ; [<span class="optional">...</span>] };
@@ -2071,7 +2071,7 @@ badresp:1,adberr:0,findfail:0,valfail:0]
</div>
<div class="sect2" lang="en">
<div class="titlepage"><div><div><h3 class="title">
<a name="id2578252"></a><span><strong class="command">masters</strong></span> Statement Definition and
<a name="id2578366"></a><span><strong class="command">masters</strong></span> Statement Definition and
Usage</h3></div></div></div>
<p><span><strong class="command">masters</strong></span>
lists allow for a common set of masters to be easily used by
@@ -2081,7 +2081,7 @@ badresp:1,adberr:0,findfail:0,valfail:0]
</div>
<div class="sect2" lang="en">
<div class="titlepage"><div><div><h3 class="title">
<a name="id2578274"></a><span><strong class="command">options</strong></span> Statement Grammar</h3></div></div></div>
<a name="id2578388"></a><span><strong class="command">options</strong></span> Statement Grammar</h3></div></div></div>
<p>
This is the grammar of the <span><strong class="command">options</strong></span>
statement in the <code class="filename">named.conf</code> file:
@@ -3711,7 +3711,7 @@ options {
</div>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2583925"></a>Forwarding</h4></div></div></div>
<a name="id2584107"></a>Forwarding</h4></div></div></div>
<p>
The forwarding facility can be used to create a large site-wide
cache on a few servers, reducing traffic over links to external
@@ -3755,7 +3755,7 @@ options {
</div>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2584120"></a>Dual-stack Servers</h4></div></div></div>
<a name="id2584166"></a>Dual-stack Servers</h4></div></div></div>
<p>
Dual-stack servers are used as servers of last resort to work
around
@@ -3966,7 +3966,7 @@ options {
</div>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2584740"></a>Interfaces</h4></div></div></div>
<a name="id2584854"></a>Interfaces</h4></div></div></div>
<p>
The interfaces and ports that the server will answer queries
from may be specified using the <span><strong class="command">listen-on</strong></span> option. <span><strong class="command">listen-on</strong></span> takes
@@ -4434,7 +4434,7 @@ avoid-v6-udp-ports {};
</div>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2585820"></a>UDP Port Lists</h4></div></div></div>
<a name="id2585866"></a>UDP Port Lists</h4></div></div></div>
<p>
<span><strong class="command">use-v4-udp-ports</strong></span>,
<span><strong class="command">avoid-v4-udp-ports</strong></span>,
@@ -4476,7 +4476,7 @@ avoid-v6-udp-ports { 40000; range 50000 60000; };
</div>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2586017"></a>Operating System Resource Limits</h4></div></div></div>
<a name="id2585994"></a>Operating System Resource Limits</h4></div></div></div>
<p>
The server's usage of many system resources can be limited.
Scaled values are allowed when specifying resource limits. For
@@ -4638,7 +4638,7 @@ avoid-v6-udp-ports { 40000; range 50000 60000; };
</div>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2586371"></a>Periodic Task Intervals</h4></div></div></div>
<a name="id2586485"></a>Periodic Task Intervals</h4></div></div></div>
<div class="variablelist"><dl>
<dt><span class="term"><span><strong class="command">cleaning-interval</strong></span></span></dt>
<dd><p>
@@ -5297,10 +5297,11 @@ avoid-v6-udp-ports { 40000; range 50000 60000; };
and which queries should not be sent to the Internet's root
servers. The official servers which cover these namespaces
return NXDOMAIN responses to these queries. In particular,
these cover the reverse namespace for addresses from RFC 1918 and
RFC 3330. They also include the reverse namespace for IPv6 local
address (locally assigned), IPv6 link local addresses, the IPv6
loopback address and the IPv6 unknown address.
these cover the reverse namespaces for addresses from
RFC 1918, RFC 4193, and RFC 5737. They also include the
reverse namespace for IPv6 local address (locally assigned),
IPv6 link local addresses, the IPv6 loopback address and the
IPv6 unknown address.
</p>
<p>
Named will attempt to determine if a built-in zone already exists
@@ -5493,7 +5494,7 @@ avoid-v6-udp-ports { 40000; range 50000 60000; };
</div>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2588573"></a>Content Filtering</h4></div></div></div>
<a name="id2588619"></a>Content Filtering</h4></div></div></div>
<p>
<acronym class="acronym">BIND</acronym> 9 provides the ability to filter
out DNS responses from external DNS servers containing
@@ -5616,7 +5617,7 @@ deny-answer-aliases { "example.net"; };
</div>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2588696"></a>Response Policy Zone (RPZ) Rewriting</h4></div></div></div>
<a name="id2588947"></a>Response Policy Zone (RPZ) Rewriting</h4></div></div></div>
<p>
<acronym class="acronym">BIND</acronym> 9 includes an intentionally limited
mechanism to modify DNS responses for recursive requests
@@ -6052,7 +6053,7 @@ ns.domain.com.rpz-nsdname CNAME .
</div>
<div class="sect2" lang="en">
<div class="titlepage"><div><div><h3 class="title">
<a name="id2589798"></a><span><strong class="command">statistics-channels</strong></span> Statement Definition and
<a name="id2590117"></a><span><strong class="command">statistics-channels</strong></span> Statement Definition and
Usage</h3></div></div></div>
<p>
The <span><strong class="command">statistics-channels</strong></span> statement
@@ -6112,7 +6113,7 @@ ns.domain.com.rpz-nsdname CNAME .
</div>
<div class="sect2" lang="en">
<div class="titlepage"><div><div><h3 class="title">
<a name="id2590006"></a><span><strong class="command">trusted-keys</strong></span> Statement Definition
<a name="id2590257"></a><span><strong class="command">trusted-keys</strong></span> Statement Definition
and Usage</h3></div></div></div>
<p>
The <span><strong class="command">trusted-keys</strong></span> statement defines
@@ -6152,7 +6153,7 @@ ns.domain.com.rpz-nsdname CNAME .
</div>
<div class="sect2" lang="en">
<div class="titlepage"><div><div><h3 class="title">
<a name="id2590053"></a><span><strong class="command">managed-keys</strong></span> Statement Grammar</h3></div></div></div>
<a name="id2590304"></a><span><strong class="command">managed-keys</strong></span> Statement Grammar</h3></div></div></div>
<pre class="programlisting"><span><strong class="command">managed-keys</strong></span> {
<em class="replaceable"><code>string</code></em> initial-key <em class="replaceable"><code>number</code></em> <em class="replaceable"><code>number</code></em> <em class="replaceable"><code>number</code></em> <em class="replaceable"><code>string</code></em> ;
[<span class="optional"> <em class="replaceable"><code>string</code></em> initial-key <em class="replaceable"><code>number</code></em> <em class="replaceable"><code>number</code></em> <em class="replaceable"><code>number</code></em> <em class="replaceable"><code>string</code></em> ; [<span class="optional">...</span>]</span>]
@@ -6287,7 +6288,7 @@ ns.domain.com.rpz-nsdname CNAME .
</div>
<div class="sect2" lang="en">
<div class="titlepage"><div><div><h3 class="title">
<a name="id2590547"></a><span><strong class="command">view</strong></span> Statement Definition and Usage</h3></div></div></div>
<a name="id2590729"></a><span><strong class="command">view</strong></span> Statement Definition and Usage</h3></div></div></div>
<p>
The <span><strong class="command">view</strong></span> statement is a powerful
feature
@@ -6588,10 +6589,10 @@ zone <em class="replaceable"><code>zone_name</code></em> [<span class="optional"
</div>
<div class="sect2" lang="en">
<div class="titlepage"><div><div><h3 class="title">
<a name="id2592295"></a><span><strong class="command">zone</strong></span> Statement Definition and Usage</h3></div></div></div>
<a name="id2592409"></a><span><strong class="command">zone</strong></span> Statement Definition and Usage</h3></div></div></div>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2592302"></a>Zone Types</h4></div></div></div>
<a name="id2592417"></a>Zone Types</h4></div></div></div>
<div class="informaltable"><table border="1">
<colgroup>
<col>
@@ -6871,7 +6872,7 @@ zone <em class="replaceable"><code>zone_name</code></em> [<span class="optional"
</div>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2592880"></a>Class</h4></div></div></div>
<a name="id2593062"></a>Class</h4></div></div></div>
<p>
The zone's name may optionally be followed by a class. If
a class is not specified, class <code class="literal">IN</code> (for <code class="varname">Internet</code>),
@@ -6893,7 +6894,7 @@ zone <em class="replaceable"><code>zone_name</code></em> [<span class="optional"
</div>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2592981"></a>Zone Options</h4></div></div></div>
<a name="id2593095"></a>Zone Options</h4></div></div></div>
<div class="variablelist"><dl>
<dt><span class="term"><span><strong class="command">allow-notify</strong></span></span></dt>
<dd><p>
@@ -7804,7 +7805,7 @@ example.com. NS ns2.example.net.
</div>
<div class="sect1" lang="en">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="id2595724"></a>Zone File</h2></div></div></div>
<a name="id2595907"></a>Zone File</h2></div></div></div>
<div class="sect2" lang="en">
<div class="titlepage"><div><div><h3 class="title">
<a name="types_of_resource_records_and_when_to_use_them"></a>Types of Resource Records and When to Use Them</h3></div></div></div>
@@ -7817,7 +7818,7 @@ example.com. NS ns2.example.net.
</p>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2595742"></a>Resource Records</h4></div></div></div>
<a name="id2595925"></a>Resource Records</h4></div></div></div>
<p>
A domain name identifies a node. Each node has a set of
resource information, which may be empty. The set of resource
@@ -8554,7 +8555,7 @@ example.com. NS ns2.example.net.
</div>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2597434"></a>Textual expression of RRs</h4></div></div></div>
<a name="id2597617"></a>Textual expression of RRs</h4></div></div></div>
<p>
RRs are represented in binary form in the packets of the DNS
protocol, and are usually represented in highly encoded form
@@ -8757,7 +8758,7 @@ example.com. NS ns2.example.net.
</div>
<div class="sect2" lang="en">
<div class="titlepage"><div><div><h3 class="title">
<a name="id2597955"></a>Discussion of MX Records</h3></div></div></div>
<a name="id2598069"></a>Discussion of MX Records</h3></div></div></div>
<p>
As described above, domain servers store information as a
series of resource records, each of which contains a particular
@@ -9013,7 +9014,7 @@ example.com. NS ns2.example.net.
</div>
<div class="sect2" lang="en">
<div class="titlepage"><div><div><h3 class="title">
<a name="id2598570"></a>Inverse Mapping in IPv4</h3></div></div></div>
<a name="id2598684"></a>Inverse Mapping in IPv4</h3></div></div></div>
<p>
Reverse name resolution (that is, translation from IP address
to name) is achieved by means of the <span class="emphasis"><em>in-addr.arpa</em></span> domain
@@ -9074,7 +9075,7 @@ example.com. NS ns2.example.net.
</div>
<div class="sect2" lang="en">
<div class="titlepage"><div><div><h3 class="title">
<a name="id2598697"></a>Other Zone File Directives</h3></div></div></div>
<a name="id2598880"></a>Other Zone File Directives</h3></div></div></div>
<p>
The Master File Format was initially defined in RFC 1035 and
has subsequently been extended. While the Master File Format
@@ -9089,7 +9090,7 @@ example.com. NS ns2.example.net.
</p>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2598720"></a>The <span><strong class="command">@</strong></span> (at-sign)</h4></div></div></div>
<a name="id2598902"></a>The <span><strong class="command">@</strong></span> (at-sign)</h4></div></div></div>
<p>
When used in the label (or name) field, the asperand or
at-sign (@) symbol represents the current origin.
@@ -9100,7 +9101,7 @@ example.com. NS ns2.example.net.
</div>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2598736"></a>The <span><strong class="command">$ORIGIN</strong></span> Directive</h4></div></div></div>
<a name="id2598918"></a>The <span><strong class="command">$ORIGIN</strong></span> Directive</h4></div></div></div>
<p>
Syntax: <span><strong class="command">$ORIGIN</strong></span>
<em class="replaceable"><code>domain-name</code></em>
@@ -9129,7 +9130,7 @@ WWW.EXAMPLE.COM. CNAME MAIN-SERVER.EXAMPLE.COM.
</div>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2598796"></a>The <span><strong class="command">$INCLUDE</strong></span> Directive</h4></div></div></div>
<a name="id2598979"></a>The <span><strong class="command">$INCLUDE</strong></span> Directive</h4></div></div></div>
<p>
Syntax: <span><strong class="command">$INCLUDE</strong></span>
<em class="replaceable"><code>filename</code></em>
@@ -9165,7 +9166,7 @@ WWW.EXAMPLE.COM. CNAME MAIN-SERVER.EXAMPLE.COM.
</div>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2598866"></a>The <span><strong class="command">$TTL</strong></span> Directive</h4></div></div></div>
<a name="id2599048"></a>The <span><strong class="command">$TTL</strong></span> Directive</h4></div></div></div>
<p>
Syntax: <span><strong class="command">$TTL</strong></span>
<em class="replaceable"><code>default-ttl</code></em>
@@ -9184,7 +9185,7 @@ WWW.EXAMPLE.COM. CNAME MAIN-SERVER.EXAMPLE.COM.
</div>
<div class="sect2" lang="en">
<div class="titlepage"><div><div><h3 class="title">
<a name="id2598902"></a><acronym class="acronym">BIND</acronym> Master File Extension: the <span><strong class="command">$GENERATE</strong></span> Directive</h3></div></div></div>
<a name="id2599084"></a><acronym class="acronym">BIND</acronym> Master File Extension: the <span><strong class="command">$GENERATE</strong></span> Directive</h3></div></div></div>
<p>
Syntax: <span><strong class="command">$GENERATE</strong></span>
<em class="replaceable"><code>range</code></em>
@@ -9608,7 +9609,7 @@ HOST-127.EXAMPLE. MX 0 .
</p>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2599924"></a>Name Server Statistics Counters</h4></div></div></div>
<a name="id2600174"></a>Name Server Statistics Counters</h4></div></div></div>
<div class="informaltable"><table border="1">
<colgroup>
<col>
@@ -10165,7 +10166,7 @@ HOST-127.EXAMPLE. MX 0 .
</div>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2601533"></a>Zone Maintenance Statistics Counters</h4></div></div></div>
<a name="id2601716"></a>Zone Maintenance Statistics Counters</h4></div></div></div>
<div class="informaltable"><table border="1">
<colgroup>
<col>
@@ -10319,7 +10320,7 @@ HOST-127.EXAMPLE. MX 0 .
</div>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2601916"></a>Resolver Statistics Counters</h4></div></div></div>
<a name="id2602099"></a>Resolver Statistics Counters</h4></div></div></div>
<div class="informaltable"><table border="1">
<colgroup>
<col>
@@ -10702,7 +10703,7 @@ HOST-127.EXAMPLE. MX 0 .
</div>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2603006"></a>Socket I/O Statistics Counters</h4></div></div></div>
<a name="id2603121"></a>Socket I/O Statistics Counters</h4></div></div></div>
<p>
Socket I/O statistics counters are defined per socket
types, which are
@@ -10857,7 +10858,7 @@ HOST-127.EXAMPLE. MX 0 .
</div>
<div class="sect3" lang="en">
<div class="titlepage"><div><div><h4 class="title">
<a name="id2603448"></a>Compatibility with <span class="emphasis"><em>BIND</em></span> 8 Counters</h4></div></div></div>
<a name="id2603562"></a>Compatibility with <span class="emphasis"><em>BIND</em></span> 8 Counters</h4></div></div></div>
<p>
Most statistics counters that were available
in <span><strong class="command">BIND</strong></span> 8 are also supported in