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251
bin/nsupdate/nsupdate.1
View file

@ -1,4 +1,4 @@
.\" Copyright (C) 2004-2012, 2014 Internet Systems Consortium, Inc. ("ISC")
.\" Copyright (C) 2004-2012, 2014, 2015 Internet Systems Consortium, Inc. ("ISC")
.\" Copyright (C) 2000-2003 Internet Software Consortium.
.\"
.\" Permission to use, copy, modify, and/or distribute this software for any
@ -33,7 +33,7 @@
nsupdate \- Dynamic DNS update utility
.SH "SYNOPSIS"
.HP 9
\fBnsupdate\fR [\fB\-d\fR] [\fB\-D\fR] [[\fB\-g\fR] | [\fB\-o\fR] | [\fB\-l\fR] | [\fB\-y\ \fR\fB\fI[hmac:]\fR\fIkeyname:secret\fR\fR] | [\fB\-k\ \fR\fB\fIkeyfile\fR\fR]] [\fB\-t\ \fR\fB\fItimeout\fR\fR] [\fB\-u\ \fR\fB\fIudptimeout\fR\fR] [\fB\-r\ \fR\fB\fIudpretries\fR\fR] [\fB\-R\ \fR\fB\fIrandomdev\fR\fR] [\fB\-v\fR] [\fB\-T\fR] [\fB\-P\fR] [\fB\-V\fR] [filename]
\fBnsupdate\fR [\fB\-d\fR] [\fB\-D\fR] [\fB\-L\ \fR\fB\fIlevel\fR\fR] [[\fB\-g\fR] | [\fB\-o\fR] | [\fB\-l\fR] | [\fB\-y\ \fR\fB\fI[hmac:]\fR\fIkeyname:secret\fR\fR] | [\fB\-k\ \fR\fB\fIkeyfile\fR\fR]] [\fB\-t\ \fR\fB\fItimeout\fR\fR] [\fB\-u\ \fR\fB\fIudptimeout\fR\fR] [\fB\-r\ \fR\fB\fIudpretries\fR\fR] [\fB\-R\ \fR\fB\fIrandomdev\fR\fR] [\fB\-v\fR] [\fB\-T\fR] [\fB\-P\fR] [\fB\-V\fR] [filename]
.SH "DESCRIPTION"
.PP
\fBnsupdate\fR
@ -47,53 +47,148 @@ The resource records that are dynamically added or removed with
\fBnsupdate\fR
have to be in the same zone. Requests are sent to the zone's master server. This is identified by the MNAME field of the zone's SOA record.
.PP
The
\fB\-d\fR
option makes
\fBnsupdate\fR
operate in debug mode. This provides tracing information about the update requests that are made and the replies received from the name server.
Transaction signatures can be used to authenticate the Dynamic DNS updates. These use the TSIG resource record type described in RFC 2845 or the SIG(0) record described in RFC 2535 and RFC 2931 or GSS\-TSIG as described in RFC 3645.
.PP
The
\fB\-D\fR
option makes
TSIG relies on a shared secret that should only be known to
\fBnsupdate\fR
report additional debugging information to
\fB\-d\fR.
.PP
The
\fB\-L\fR
option with an integer argument of zero or higher sets the logging debug level. If zero, logging is disabled.
.PP
Transaction signatures can be used to authenticate the Dynamic DNS updates. These use the TSIG resource record type described in RFC 2845 or the SIG(0) record described in RFC 2535 and RFC 2931 or GSS\-TSIG as described in RFC 3645. TSIG relies on a shared secret that should only be known to
\fBnsupdate\fR
and the name server. Currently, the only supported encryption algorithm for TSIG is HMAC\-MD5, which is defined in RFC 2104. Once other algorithms are defined for TSIG, applications will need to ensure they select the appropriate algorithm as well as the key when authenticating each other. For instance, suitable
and the name server. For instance, suitable
\fBkey\fR
and
\fBserver\fR
statements would be added to
\fI/etc/named.conf\fR
so that the name server can associate the appropriate secret key and algorithm with the IP address of the client application that will be using TSIG authentication. SIG(0) uses public key cryptography. To use a SIG(0) key, the public key must be stored in a KEY record in a zone served by the name server.
so that the name server can associate the appropriate secret key and algorithm with the IP address of the client application that will be using TSIG authentication. You can use
\fBddns\-confgen\fR
to generate suitable configuration fragments.
\fBnsupdate\fR
does not read
\fI/etc/named.conf\fR.
uses the
\fB\-y\fR
or
\fB\-k\fR
options to provide the TSIG shared secret. These options are mutually exclusive.
.PP
SIG(0) uses public key cryptography. To use a SIG(0) key, the public key must be stored in a KEY record in a zone served by the name server.
.PP
GSS\-TSIG uses Kerberos credentials. Standard GSS\-TSIG mode is switched on with the
\fB\-g\fR
flag. A non\-standards\-compliant variant of GSS\-TSIG used by Windows 2000 can be switched on with the
\fB\-o\fR
flag.
.SH "OPTIONS"
.PP
\fBnsupdate\fR
uses the
\fB\-y\fR
or
\-d
.RS 4
Debug mode. This provides tracing information about the update requests that are made and the replies received from the name server.
.RE
.PP
\-D
.RS 4
Extra debug mode.
.RE
.PP
\-k \fIkeyfile\fR
.RS 4
The file containing the TSIG authentication key. Keyfiles may be in two formats: a single file containing a
\fInamed.conf\fR\-format
\fBkey\fR
statement, which may be generated automatically by
\fBddns\-confgen\fR, or a pair of files whose names are of the format
\fIK{name}.+157.+{random}.key\fR
and
\fIK{name}.+157.+{random}.private\fR, which can be generated by
\fBdnssec\-keygen\fR. The
\fB\-k\fR
option to provide the shared secret needed to generate a TSIG record for authenticating Dynamic DNS update requests, default type HMAC\-MD5. These options are mutually exclusive.
may also be used to specify a SIG(0) key used to authenticate Dynamic DNS update requests. In this case, the key specified is not an HMAC\-MD5 key.
.RE
.PP
When the
\fB\-y\fR
option is used, a signature is generated from
[\fIhmac:\fR]\fIkeyname:secret.\fR
\-l
.RS 4
Local\-host only mode. This sets the server address to localhost (disabling the
\fBserver\fR
so that the server address cannot be overridden). Connections to the local server will use a TSIG key found in
\fI/var/run/named/session.key\fR, which is automatically generated by
\fBnamed\fR
if any local master zone has set
\fBupdate\-policy\fR
to
\fBlocal\fR. The location of this key file can be overridden with the
\fB\-k\fR
option.
.RE
.PP
\-L \fIlevel\fR
.RS 4
Set the logging debug level. If zero, logging is disabled.
.RE
.PP
\-p \fIport\fR
.RS 4
Set the port to use for connections to a name server. The default is 53.
.RE
.PP
\-P
.RS 4
Print the list of private BIND\-specific resource record types whose format is understood by
\fBnsupdate\fR. See also the
\fB\-T\fR
option.
.RE
.PP
\-r \fIudpretries\fR
.RS 4
The number of UDP retries. The default is 3. If zero, only one update request will be made.
.RE
.PP
\-R \fIrandomdev\fR
.RS 4
Where to obtain randomness. If the operating system does not provide a
\fI/dev/random\fR
or equivalent device, the default source of randomness is keyboard input.
\fIrandomdev\fR
specifies the name of a character device or file containing random data to be used instead of the default. The special value
\fIkeyboard\fR
indicates that keyboard input should be used. This option may be specified multiple times.
.RE
.PP
\-t \fItimeout\fR
.RS 4
The maximum time an update request can take before it is aborted. The default is 300 seconds. Zero can be used to disable the timeout.
.RE
.PP
\-T
.RS 4
Print the list of IANA standard resource record types whose format is understood by
\fBnsupdate\fR.
\fBnsupdate\fR
will exit after the lists are printed. The
\fB\-T\fR
option can be combined with the
\fB\-P\fR
option.
.sp
Other types can be entered using "TYPEXXXXX" where "XXXXX" is the decimal value of the type with no leading zeros. The rdata, if present, will be parsed using the UNKNOWN rdata format, (<backslash> <hash> <space> <length> <space> <hexstring>).
.RE
.PP
\-u \fIudptimeout\fR
.RS 4
The UDP retry interval. The default is 3 seconds. If zero, the interval will be computed from the timeout interval and number of UDP retries.
.RE
.PP
\-v
.RS 4
Use TCP even for small update requests. By default,
\fBnsupdate\fR
uses UDP to send update requests to the name server unless they are too large to fit in a UDP request in which case TCP will be used. TCP may be preferable when a batch of update requests is made.
.RE
.PP
\-V
.RS 4
Print the version number and exit.
.RE
.PP
\-y \fI[hmac:]\fR\fIkeyname:secret\fR
.RS 4
Literal TSIG authentication key.
\fIkeyname\fR
is the name of the key, and
\fIsecret\fR
@ -108,96 +203,14 @@ hmac\-sha384, or
hmac\-sha512. If
\fIhmac\fR
is not specified, the default is
hmac\-md5. NOTE: Use of the
hmac\-md5.
.sp
NOTE: Use of the
\fB\-y\fR
option is discouraged because the shared secret is supplied as a command line argument in clear text. This may be visible in the output from
\fBps\fR(1)
or in a history file maintained by the user's shell.
.PP
With the
\fB\-k\fR
option,
\fBnsupdate\fR
reads the shared secret from the file
\fIkeyfile\fR. Keyfiles may be in two formats: a single file containing a
\fInamed.conf\fR\-format
\fBkey\fR
statement, which may be generated automatically by
\fBddns\-confgen\fR, or a pair of files whose names are of the format
\fIK{name}.+157.+{random}.key\fR
and
\fIK{name}.+157.+{random}.private\fR, which can be generated by
\fBdnssec\-keygen\fR. The
\fB\-k\fR
may also be used to specify a SIG(0) key used to authenticate Dynamic DNS update requests. In this case, the key specified is not an HMAC\-MD5 key.
.PP
\fBnsupdate\fR
can be run in a local\-host only mode using the
\fB\-l\fR
flag. This sets the server address to localhost (disabling the
\fBserver\fR
so that the server address cannot be overridden). Connections to the local server will use a TSIG key found in
\fI/var/run/named/session.key\fR, which is automatically generated by
\fBnamed\fR
if any local master zone has set
\fBupdate\-policy\fR
to
\fBlocal\fR. The location of this key file can be overridden with the
\fB\-k\fR
option.
.PP
By default,
\fBnsupdate\fR
uses UDP to send update requests to the name server unless they are too large to fit in a UDP request in which case TCP will be used. The
\fB\-v\fR
option makes
\fBnsupdate\fR
use a TCP connection. This may be preferable when a batch of update requests is made.
.PP
The
\fB\-p\fR
sets the default port number to use for connections to a name server. The default is 53.
.PP
The
\fB\-t\fR
option sets the maximum time an update request can take before it is aborted. The default is 300 seconds. Zero can be used to disable the timeout.
.PP
The
\fB\-u\fR
option sets the UDP retry interval. The default is 3 seconds. If zero, the interval will be computed from the timeout interval and number of UDP retries.
.PP
The
\fB\-r\fR
option sets the number of UDP retries. The default is 3. If zero, only one update request will be made.
.PP
The
\fB\-R \fR\fB\fIrandomdev\fR\fR
option specifies a source of randomness. If the operating system does not provide a
\fI/dev/random\fR
or equivalent device, the default source of randomness is keyboard input.
\fIrandomdev\fR
specifies the name of a character device or file containing random data to be used instead of the default. The special value
\fIkeyboard\fR
indicates that keyboard input should be used. This option may be specified multiple times.
.PP
Other types can be entered using "TYPEXXXXX" where "XXXXX" is the decimal value of the type with no leading zeros. The rdata, if present, will be parsed using the UNKNOWN rdata format, (<backslash> <hash> <space> <length> <space> <hexstring>).
.PP
The
\fB\-T\fR
and
\fB\-P\fR
options print out lists of non\-meta types for which the type\-specific presentation formats are known.
\fB\-T\fR
prints out the list of IANA\-assigned types.
\fB\-P\fR
prints out the list of private types specific to
\fBnamed\fR. These options may be combined.
\fBnsupdate\fR
will exit after the lists are printed.
.PP
The \-V option causes
\fBnsupdate\fR
to print the version number and exit.
.RE
.SH "INPUT FORMAT"
.PP
\fBnsupdate\fR
@ -483,7 +496,7 @@ RFC 2931,
.PP
The TSIG key is redundantly stored in two separate files. This is a consequence of nsupdate using the DST library for its cryptographic operations, and may change in future releases.
.SH "COPYRIGHT"
Copyright \(co 2004\-2012, 2014 Internet Systems Consortium, Inc. ("ISC")
Copyright \(co 2004\-2012, 2014, 2015 Internet Systems Consortium, Inc. ("ISC")
.br
Copyright \(co 2000\-2003 Internet Software Consortium.
.br

752
bin/nsupdate/nsupdate.html
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@ -1,5 +1,5 @@
<!--
- Copyright (C) 2004-2012, 2014 Internet Systems Consortium, Inc. ("ISC")
- Copyright (C) 2004-2012, 2014, 2015 Internet Systems Consortium, Inc. ("ISC")
- Copyright (C) 2000-2003 Internet Software Consortium.
-
- Permission to use, copy, modify, and/or distribute this software for any
@ -29,10 +29,10 @@
</div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="cmdsynopsis"><p><code class="command">nsupdate</code> [<code class="option">-d</code>] [<code class="option">-D</code>] [[<code class="option">-g</code>] | [<code class="option">-o</code>] | [<code class="option">-l</code>] | [<code class="option">-y <em class="replaceable"><code>[<span class="optional">hmac:</span>]keyname:secret</code></em></code>] | [<code class="option">-k <em class="replaceable"><code>keyfile</code></em></code>]] [<code class="option">-t <em class="replaceable"><code>timeout</code></em></code>] [<code class="option">-u <em class="replaceable"><code>udptimeout</code></em></code>] [<code class="option">-r <em class="replaceable"><code>udpretries</code></em></code>] [<code class="option">-R <em class="replaceable"><code>randomdev</code></em></code>] [<code class="option">-v</code>] [<code class="option">-T</code>] [<code class="option">-P</code>] [<code class="option">-V</code>] [filename]</p></div>
<div class="cmdsynopsis"><p><code class="command">nsupdate</code> [<code class="option">-d</code>] [<code class="option">-D</code>] [<code class="option">-L <em class="replaceable"><code>level</code></em></code>] [[<code class="option">-g</code>] | [<code class="option">-o</code>] | [<code class="option">-l</code>] | [<code class="option">-y <em class="replaceable"><code>[<span class="optional">hmac:</span>]keyname:secret</code></em></code>] | [<code class="option">-k <em class="replaceable"><code>keyfile</code></em></code>]] [<code class="option">-t <em class="replaceable"><code>timeout</code></em></code>] [<code class="option">-u <em class="replaceable"><code>udptimeout</code></em></code>] [<code class="option">-r <em class="replaceable"><code>udpretries</code></em></code>] [<code class="option">-R <em class="replaceable"><code>randomdev</code></em></code>] [<code class="option">-v</code>] [<code class="option">-T</code>] [<code class="option">-P</code>] [<code class="option">-V</code>] [filename]</p></div>
</div>
<div class="refsect1" lang="en">
<a name="id2543488"></a><h2>DESCRIPTION</h2>
<a name="id2543499"></a><h2>DESCRIPTION</h2>
<p><span><strong class="command">nsupdate</strong></span>
is used to submit Dynamic DNS Update requests as defined in RFC 2136
to a name server.
@ -56,44 +56,31 @@
Requests are sent to the zone's master server.
This is identified by the MNAME field of the zone's SOA record.
</p>
<p>
The
<code class="option">-d</code>
option makes
<span><strong class="command">nsupdate</strong></span>
operate in debug mode.
This provides tracing information about the update requests that are
made and the replies received from the name server.
</p>
<p>
The <code class="option">-D</code> option makes <span><strong class="command">nsupdate</strong></span>
report additional debugging information to <code class="option">-d</code>.
</p>
<p>
The <code class="option">-L</code> option with an integer argument of zero or
higher sets the logging debug level. If zero, logging is disabled.
</p>
<p>
Transaction signatures can be used to authenticate the Dynamic
DNS updates. These use the TSIG resource record type described
in RFC 2845 or the SIG(0) record described in RFC 2535 and
RFC 2931 or GSS-TSIG as described in RFC 3645. TSIG relies on
RFC 2931 or GSS-TSIG as described in RFC 3645.
</p>
<p>
TSIG relies on
a shared secret that should only be known to
<span><strong class="command">nsupdate</strong></span> and the name server. Currently,
the only supported encryption algorithm for TSIG is HMAC-MD5,
which is defined in RFC 2104. Once other algorithms are
defined for TSIG, applications will need to ensure they select
the appropriate algorithm as well as the key when authenticating
each other. For instance, suitable <span class="type">key</span> and
<span><strong class="command">nsupdate</strong></span> and the name server.
For instance, suitable <span class="type">key</span> and
<span class="type">server</span> statements would be added to
<code class="filename">/etc/named.conf</code> so that the name server
can associate the appropriate secret key and algorithm with
the IP address of the client application that will be using
TSIG authentication. SIG(0) uses public key cryptography.
TSIG authentication. You can use <span><strong class="command">ddns-confgen</strong></span>
to generate suitable configuration fragments.
<span><strong class="command">nsupdate</strong></span>
uses the <code class="option">-y</code> or <code class="option">-k</code> options
to provide the TSIG shared secret. These options are mutually exclusive.
</p>
<p>
SIG(0) uses public key cryptography.
To use a SIG(0) key, the public key must be stored in a KEY
record in a zone served by the name server.
<span><strong class="command">nsupdate</strong></span> does not read
<code class="filename">/etc/named.conf</code>.
</p>
<p>
GSS-TSIG uses Kerberos credentials. Standard GSS-TSIG mode
@ -101,124 +88,143 @@
non-standards-compliant variant of GSS-TSIG used by Windows
2000 can be switched on with the <code class="option">-o</code> flag.
</p>
<p><span><strong class="command">nsupdate</strong></span>
uses the <code class="option">-y</code> or <code class="option">-k</code> option
to provide the shared secret needed to generate a TSIG record
for authenticating Dynamic DNS update requests, default type
HMAC-MD5. These options are mutually exclusive.
</p>
<p>
When the <code class="option">-y</code> option is used, a signature is
generated from
[<span class="optional"><em class="parameter"><code>hmac:</code></em></span>]<em class="parameter"><code>keyname:secret.</code></em>
<em class="parameter"><code>keyname</code></em> is the name of the key, and
<em class="parameter"><code>secret</code></em> is the base64 encoded shared secret.
<em class="parameter"><code>hmac</code></em> is the name of the key algorithm;
valid choices are <code class="literal">hmac-md5</code>,
<code class="literal">hmac-sha1</code>, <code class="literal">hmac-sha224</code>,
<code class="literal">hmac-sha256</code>, <code class="literal">hmac-sha384</code>, or
<code class="literal">hmac-sha512</code>. If <em class="parameter"><code>hmac</code></em>
is not specified, the default is <code class="literal">hmac-md5</code>.
NOTE: Use of the <code class="option">-y</code> option is discouraged because the
shared secret is supplied as a command line argument in clear text.
This may be visible in the output from
<span class="citerefentry"><span class="refentrytitle">ps</span>(1)</span>
or in a history file maintained by the user's shell.
</p>
<p>
With the
<code class="option">-k</code> option, <span><strong class="command">nsupdate</strong></span> reads
the shared secret from the file <em class="parameter"><code>keyfile</code></em>.
Keyfiles may be in two formats: a single file containing
a <code class="filename">named.conf</code>-format <span><strong class="command">key</strong></span>
statement, which may be generated automatically by
<span><strong class="command">ddns-confgen</strong></span>, or a pair of files whose names are
of the format <code class="filename">K{name}.+157.+{random}.key</code> and
<code class="filename">K{name}.+157.+{random}.private</code>, which can be
generated by <span><strong class="command">dnssec-keygen</strong></span>.
The <code class="option">-k</code> may also be used to specify a SIG(0) key used
to authenticate Dynamic DNS update requests. In this case, the key
specified is not an HMAC-MD5 key.
</p>
<p>
<span><strong class="command">nsupdate</strong></span> can be run in a local-host only mode
using the <code class="option">-l</code> flag. This sets the server address to
localhost (disabling the <span><strong class="command">server</strong></span> so that the server
address cannot be overridden). Connections to the local server will
use a TSIG key found in <code class="filename">/var/run/named/session.key</code>,
which is automatically generated by <span><strong class="command">named</strong></span> if any
local master zone has set <span><strong class="command">update-policy</strong></span> to
<span><strong class="command">local</strong></span>. The location of this key file can be
overridden with the <code class="option">-k</code> option.
</p>
<p>
By default, <span><strong class="command">nsupdate</strong></span>
uses UDP to send update requests to the name server unless they are too
large to fit in a UDP request in which case TCP will be used.
The
<code class="option">-v</code>
option makes
<span><strong class="command">nsupdate</strong></span>
use a TCP connection.
This may be preferable when a batch of update requests is made.
</p>
<p>
The <code class="option">-p</code> sets the default port number to use for
connections to a name server. The default is 53.
</p>
<p>
The <code class="option">-t</code> option sets the maximum time an update request
can
take before it is aborted. The default is 300 seconds. Zero can be
used
to disable the timeout.
</p>
<p>
The <code class="option">-u</code> option sets the UDP retry interval. The default
is
3 seconds. If zero, the interval will be computed from the timeout
interval
and number of UDP retries.
</p>
<p>
The <code class="option">-r</code> option sets the number of UDP retries. The
default is
3. If zero, only one update request will be made.
</p>
<p>
The <code class="option">-R <em class="replaceable"><code>randomdev</code></em></code> option
specifies a source of randomness. If the operating system
does not provide a <code class="filename">/dev/random</code> or
equivalent device, the default source of randomness is keyboard
input. <code class="filename">randomdev</code> specifies the name of
a character device or file containing random data to be used
instead of the default. The special value
<code class="filename">keyboard</code> indicates that keyboard input
should be used. This option may be specified multiple times.
</p>
<p>
Other types can be entered using "TYPEXXXXX" where "XXXXX" is the
decimal value of the type with no leading zeros. The rdata,
if present, will be parsed using the UNKNOWN rdata format,
(&lt;backslash&gt; &lt;hash&gt; &lt;space&gt; &lt;length&gt;
&lt;space&gt; &lt;hexstring&gt;).
</p>
<p>
The <code class="option">-T</code> and <code class="option">-P</code> options print out
lists of non-meta types for which the type-specific presentation
formats are known. <code class="option">-T</code> prints out the list of
IANA-assigned types. <code class="option">-P</code> prints out the list of
private types specific to <span><strong class="command">named</strong></span>. These options
may be combined. <span><strong class="command">nsupdate</strong></span> will exit after the
lists are printed.
</p>
<p>
The -V option causes <span><strong class="command">nsupdate</strong></span> to print the
version number and exit.
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2543888"></a><h2>INPUT FORMAT</h2>
<a name="id2543573"></a><h2>OPTIONS</h2>
<div class="variablelist"><dl>
<dt><span class="term">-d</span></dt>
<dd><p>
Debug mode. This provides tracing information about the
update requests that are made and the replies received
from the name server.
</p></dd>
<dt><span class="term">-D</span></dt>
<dd><p>
Extra debug mode.
</p></dd>
<dt><span class="term">-k <em class="replaceable"><code>keyfile</code></em></span></dt>
<dd><p>
The file containing the TSIG authentication key.
Keyfiles may be in two formats: a single file containing
a <code class="filename">named.conf</code>-format <span><strong class="command">key</strong></span>
statement, which may be generated automatically by
<span><strong class="command">ddns-confgen</strong></span>, or a pair of files whose names are
of the format <code class="filename">K{name}.+157.+{random}.key</code> and
<code class="filename">K{name}.+157.+{random}.private</code>, which can be
generated by <span><strong class="command">dnssec-keygen</strong></span>.
The <code class="option">-k</code> may also be used to specify a SIG(0) key used
to authenticate Dynamic DNS update requests. In this case, the key
specified is not an HMAC-MD5 key.
</p></dd>
<dt><span class="term">-l</span></dt>
<dd><p>
Local-host only mode. This sets the server address to
localhost (disabling the <span><strong class="command">server</strong></span> so that the server
address cannot be overridden). Connections to the local server will
use a TSIG key found in <code class="filename">/var/run/named/session.key</code>,
which is automatically generated by <span><strong class="command">named</strong></span> if any
local master zone has set <span><strong class="command">update-policy</strong></span> to
<span><strong class="command">local</strong></span>. The location of this key file can be
overridden with the <code class="option">-k</code> option.
</p></dd>
<dt><span class="term">-L <em class="replaceable"><code>level</code></em></span></dt>
<dd><p>
Set the logging debug level. If zero, logging is disabled.
</p></dd>
<dt><span class="term">-p <em class="replaceable"><code>port</code></em></span></dt>
<dd><p>
Set the port to use for connections to a name server. The
default is 53.
</p></dd>
<dt><span class="term">-P</span></dt>
<dd><p>
Print the list of private BIND-specific resource record
types whose format is understood
by <span><strong class="command">nsupdate</strong></span>. See also
the <code class="option">-T</code> option.
</p></dd>
<dt><span class="term">-r <em class="replaceable"><code>udpretries</code></em></span></dt>
<dd><p>
The number of UDP retries. The default is 3. If zero, only
one update request will be made.
</p></dd>
<dt><span class="term">-R <em class="replaceable"><code>randomdev</code></em></span></dt>
<dd><p>
Where to obtain randomness. If the operating system
does not provide a <code class="filename">/dev/random</code> or
equivalent device, the default source of randomness is keyboard
input. <code class="filename">randomdev</code> specifies the name of
a character device or file containing random data to be used
instead of the default. The special value
<code class="filename">keyboard</code> indicates that keyboard input
should be used. This option may be specified multiple times.
</p></dd>
<dt><span class="term">-t <em class="replaceable"><code>timeout</code></em></span></dt>
<dd><p>
The maximum time an update request can take before it is
aborted. The default is 300 seconds. Zero can be used to
disable the timeout.
</p></dd>
<dt><span class="term">-T</span></dt>
<dd>
<p>
Print the list of IANA standard resource record types
whose format is understood by <span><strong class="command">nsupdate</strong></span>.
<span><strong class="command">nsupdate</strong></span> will exit after the lists are
printed. The <code class="option">-T</code> option can be combined
with the <code class="option">-P</code> option.
</p>
<p>
Other types can be entered using "TYPEXXXXX" where "XXXXX" is the
decimal value of the type with no leading zeros. The rdata,
if present, will be parsed using the UNKNOWN rdata format,
(&lt;backslash&gt; &lt;hash&gt; &lt;space&gt; &lt;length&gt;
&lt;space&gt; &lt;hexstring&gt;).
</p>
</dd>
<dt><span class="term">-u <em class="replaceable"><code>udptimeout</code></em></span></dt>
<dd><p>
The UDP retry interval. The default is 3 seconds. If zero,
the interval will be computed from the timeout interval and
number of UDP retries.
</p></dd>
<dt><span class="term">-v</span></dt>
<dd><p>
Use TCP even for small update requests.
By default, <span><strong class="command">nsupdate</strong></span>
uses UDP to send update requests to the name server unless they are too
large to fit in a UDP request in which case TCP will be used.
TCP may be preferable when a batch of update requests is made.
</p></dd>
<dt><span class="term">-V</span></dt>
<dd><p>
Print the version number and exit.
</p></dd>
<dt><span class="term">-y <em class="replaceable"><code>[<span class="optional">hmac:</span>]keyname:secret</code></em></span></dt>
<dd>
<p>
Literal TSIG authentication key.
<em class="parameter"><code>keyname</code></em> is the name of the key, and
<em class="parameter"><code>secret</code></em> is the base64 encoded shared secret.
<em class="parameter"><code>hmac</code></em> is the name of the key algorithm;
valid choices are <code class="literal">hmac-md5</code>,
<code class="literal">hmac-sha1</code>, <code class="literal">hmac-sha224</code>,
<code class="literal">hmac-sha256</code>, <code class="literal">hmac-sha384</code>, or
<code class="literal">hmac-sha512</code>. If <em class="parameter"><code>hmac</code></em>
is not specified, the default is <code class="literal">hmac-md5</code>.
</p>
<p>
NOTE: Use of the <code class="option">-y</code> option is discouraged because the
shared secret is supplied as a command line argument in clear text.
This may be visible in the output from
<span class="citerefentry"><span class="refentrytitle">ps</span>(1)</span>
or in a history file maintained by the user's shell.
</p>
</dd>
</dl></div>
</div>
<div class="refsect1" lang="en">
<a name="id2544090"></a><h2>INPUT FORMAT</h2>
<p><span><strong class="command">nsupdate</strong></span>
reads input from
<em class="parameter"><code>filename</code></em>
@ -248,120 +254,120 @@
</p>
<div class="variablelist"><dl>
<dt><span class="term">
<span><strong class="command">server</strong></span>
{servername}
[port]
</span></dt>
<span><strong class="command">server</strong></span>
{servername}
[port]
</span></dt>
<dd><p>
Sends all dynamic update requests to the name server
<em class="parameter"><code>servername</code></em>.
When no server statement is provided,
<span><strong class="command">nsupdate</strong></span>
will send updates to the master server of the correct zone.
The MNAME field of that zone's SOA record will identify the
master
server for that zone.
<em class="parameter"><code>port</code></em>
is the port number on
<em class="parameter"><code>servername</code></em>
where the dynamic update requests get sent.
If no port number is specified, the default DNS port number of
53 is
used.
</p></dd>
Sends all dynamic update requests to the name server
<em class="parameter"><code>servername</code></em>.
When no server statement is provided,
<span><strong class="command">nsupdate</strong></span>
will send updates to the master server of the correct zone.
The MNAME field of that zone's SOA record will identify the
master
server for that zone.
<em class="parameter"><code>port</code></em>
is the port number on
<em class="parameter"><code>servername</code></em>
where the dynamic update requests get sent.
If no port number is specified, the default DNS port number of
53 is
used.
</p></dd>
<dt><span class="term">
<span><strong class="command">local</strong></span>
{address}
[port]
</span></dt>
<span><strong class="command">local</strong></span>
{address}
[port]
</span></dt>
<dd><p>
Sends all dynamic update requests using the local
<em class="parameter"><code>address</code></em>.
Sends all dynamic update requests using the local
<em class="parameter"><code>address</code></em>.
When no local statement is provided,
<span><strong class="command">nsupdate</strong></span>
will send updates using an address and port chosen by the
system.
<em class="parameter"><code>port</code></em>
can additionally be used to make requests come from a specific
port.
If no port number is specified, the system will assign one.
</p></dd>
When no local statement is provided,
<span><strong class="command">nsupdate</strong></span>
will send updates using an address and port chosen by the
system.
<em class="parameter"><code>port</code></em>
can additionally be used to make requests come from a specific
port.
If no port number is specified, the system will assign one.
</p></dd>
<dt><span class="term">
<span><strong class="command">zone</strong></span>
{zonename}
</span></dt>
<span><strong class="command">zone</strong></span>
{zonename}
</span></dt>
<dd><p>
Specifies that all updates are to be made to the zone
<em class="parameter"><code>zonename</code></em>.
If no
<em class="parameter"><code>zone</code></em>
statement is provided,
<span><strong class="command">nsupdate</strong></span>
will attempt determine the correct zone to update based on the
rest of the input.
</p></dd>
Specifies that all updates are to be made to the zone
<em class="parameter"><code>zonename</code></em>.
If no
<em class="parameter"><code>zone</code></em>
statement is provided,
<span><strong class="command">nsupdate</strong></span>
will attempt determine the correct zone to update based on the
rest of the input.
</p></dd>
<dt><span class="term">
<span><strong class="command">class</strong></span>
{classname}
</span></dt>
<span><strong class="command">class</strong></span>
{classname}
</span></dt>
<dd><p>
Specify the default class.
If no <em class="parameter"><code>class</code></em> is specified, the
default class is
<em class="parameter"><code>IN</code></em>.
</p></dd>
Specify the default class.
If no <em class="parameter"><code>class</code></em> is specified, the
default class is
<em class="parameter"><code>IN</code></em>.
</p></dd>
<dt><span class="term">
<span><strong class="command">ttl</strong></span>
{seconds}
</span></dt>
<span><strong class="command">ttl</strong></span>
{seconds}
</span></dt>
<dd><p>
Specify the default time to live for records to be added.
Specify the default time to live for records to be added.
The value <em class="parameter"><code>none</code></em> will clear the default
ttl.
</p></dd>
</p></dd>
<dt><span class="term">
<span><strong class="command">key</strong></span>
[hmac:] {keyname}
{secret}
</span></dt>
<span><strong class="command">key</strong></span>
[hmac:] {keyname}
{secret}
</span></dt>
<dd><p>
Specifies that all updates are to be TSIG-signed using the
<em class="parameter"><code>keyname</code></em> <em class="parameter"><code>secret</code></em> pair.
If <em class="parameter"><code>hmac</code></em> is specified, then it sets the
signing algorithm in use; the default is
<code class="literal">hmac-md5</code>. The <span><strong class="command">key</strong></span>
command overrides any key specified on the command line via
<code class="option">-y</code> or <code class="option">-k</code>.
</p></dd>
Specifies that all updates are to be TSIG-signed using the
<em class="parameter"><code>keyname</code></em> <em class="parameter"><code>secret</code></em> pair.
If <em class="parameter"><code>hmac</code></em> is specified, then it sets the
signing algorithm in use; the default is
<code class="literal">hmac-md5</code>. The <span><strong class="command">key</strong></span>
command overrides any key specified on the command line via
<code class="option">-y</code> or <code class="option">-k</code>.
</p></dd>
<dt><span class="term">
<span><strong class="command">gsstsig</strong></span>
</span></dt>
<span><strong class="command">gsstsig</strong></span>
</span></dt>
<dd><p>
Use GSS-TSIG to sign the updated. This is equivalent to
specifying <code class="option">-g</code> on the commandline.
</p></dd>
</p></dd>
<dt><span class="term">
<span><strong class="command">oldgsstsig</strong></span>
</span></dt>
<span><strong class="command">oldgsstsig</strong></span>
</span></dt>
<dd><p>
Use the Windows 2000 version of GSS-TSIG to sign the updated.
This is equivalent to specifying <code class="option">-o</code> on the
commandline.
</p></dd>
</p></dd>
<dt><span class="term">
<span><strong class="command">realm</strong></span>
{[<span class="optional">realm_name</span>]}
</span></dt>
<span><strong class="command">realm</strong></span>
{[<span class="optional">realm_name</span>]}
</span></dt>
<dd><p>
When using GSS-TSIG use <em class="parameter"><code>realm_name</code></em> rather
than the default realm in <code class="filename">krb5.conf</code>. If no
realm is specified the saved realm is cleared.
</p></dd>
</p></dd>
<dt><span class="term">
<span><strong class="command">check-names</strong></span>
{[<span class="optional">yes_or_no</span>]}
</span></dt>
<span><strong class="command">check-names</strong></span>
{[<span class="optional">yes_or_no</span>]}
</span></dt>
<dd><p>
Turn on or off check-names processing on records to
be added. Check-names has no effect on prerequisites
@ -370,159 +376,159 @@
the record will not be added to the UPDATE message.
</p></dd>
<dt><span class="term">
<span><strong class="command">[<span class="optional">prereq</span>] nxdomain</strong></span>
{domain-name}
</span></dt>
<span><strong class="command">[<span class="optional">prereq</span>] nxdomain</strong></span>
{domain-name}
</span></dt>
<dd><p>
Requires that no resource record of any type exists with name
<em class="parameter"><code>domain-name</code></em>.
</p></dd>
Requires that no resource record of any type exists with name
<em class="parameter"><code>domain-name</code></em>.
</p></dd>
<dt><span class="term">
<span><strong class="command">[<span class="optional">prereq</span>] yxdomain</strong></span>
{domain-name}
</span></dt>
<span><strong class="command">[<span class="optional">prereq</span>] yxdomain</strong></span>
{domain-name}
</span></dt>
<dd><p>
Requires that
<em class="parameter"><code>domain-name</code></em>
exists (has as at least one resource record, of any type).
</p></dd>
Requires that
<em class="parameter"><code>domain-name</code></em>
exists (has as at least one resource record, of any type).
</p></dd>
<dt><span class="term">
<span><strong class="command">[<span class="optional">prereq</span>] nxrrset</strong></span>
{domain-name}
[class]
{type}
</span></dt>
<span><strong class="command">[<span class="optional">prereq</span>] nxrrset</strong></span>
{domain-name}
[class]
{type}
</span></dt>
<dd><p>
Requires that no resource record exists of the specified
<em class="parameter"><code>type</code></em>,
<em class="parameter"><code>class</code></em>
and
<em class="parameter"><code>domain-name</code></em>.
If
<em class="parameter"><code>class</code></em>
is omitted, IN (internet) is assumed.
</p></dd>
Requires that no resource record exists of the specified
<em class="parameter"><code>type</code></em>,
<em class="parameter"><code>class</code></em>
and
<em class="parameter"><code>domain-name</code></em>.
If
<em class="parameter"><code>class</code></em>
is omitted, IN (internet) is assumed.
</p></dd>
<dt><span class="term">
<span><strong class="command">[<span class="optional">prereq</span>] yxrrset</strong></span>
{domain-name}
[class]
{type}
</span></dt>
<span><strong class="command">[<span class="optional">prereq</span>] yxrrset</strong></span>
{domain-name}
[class]
{type}
</span></dt>
<dd><p>
This requires that a resource record of the specified
<em class="parameter"><code>type</code></em>,
<em class="parameter"><code>class</code></em>
and
<em class="parameter"><code>domain-name</code></em>
must exist.
If
<em class="parameter"><code>class</code></em>
is omitted, IN (internet) is assumed.
</p></dd>
This requires that a resource record of the specified
<em class="parameter"><code>type</code></em>,
<em class="parameter"><code>class</code></em>
and
<em class="parameter"><code>domain-name</code></em>
must exist.
If
<em class="parameter"><code>class</code></em>
is omitted, IN (internet) is assumed.
</p></dd>
<dt><span class="term">
<span><strong class="command">[<span class="optional">prereq</span>] yxrrset</strong></span>
{domain-name}
[class]
{type}
{data...}
</span></dt>
<span><strong class="command">[<span class="optional">prereq</span>] yxrrset</strong></span>
{domain-name}
[class]
{type}
{data...}
</span></dt>
<dd><p>
The
<em class="parameter"><code>data</code></em>
from each set of prerequisites of this form
sharing a common
<em class="parameter"><code>type</code></em>,
<em class="parameter"><code>class</code></em>,
and
<em class="parameter"><code>domain-name</code></em>
are combined to form a set of RRs. This set of RRs must
exactly match the set of RRs existing in the zone at the
given
<em class="parameter"><code>type</code></em>,
<em class="parameter"><code>class</code></em>,
and
<em class="parameter"><code>domain-name</code></em>.
The
<em class="parameter"><code>data</code></em>
are written in the standard text representation of the resource
record's
RDATA.
</p></dd>
The
<em class="parameter"><code>data</code></em>
from each set of prerequisites of this form
sharing a common
<em class="parameter"><code>type</code></em>,
<em class="parameter"><code>class</code></em>,
and
<em class="parameter"><code>domain-name</code></em>
are combined to form a set of RRs. This set of RRs must
exactly match the set of RRs existing in the zone at the
given
<em class="parameter"><code>type</code></em>,
<em class="parameter"><code>class</code></em>,
and
<em class="parameter"><code>domain-name</code></em>.
The
<em class="parameter"><code>data</code></em>
are written in the standard text representation of the resource
record's
RDATA.
</p></dd>
<dt><span class="term">
<span><strong class="command">[<span class="optional">update</span>] del[<span class="optional">ete</span>]</strong></span>
{domain-name}
[ttl]
[class]
[type [data...]]
</span></dt>
<span><strong class="command">[<span class="optional">update</span>] del[<span class="optional">ete</span>]</strong></span>
{domain-name}
[ttl]
[class]
[type [data...]]
</span></dt>
<dd><p>
Deletes any resource records named
<em class="parameter"><code>domain-name</code></em>.
If
<em class="parameter"><code>type</code></em>
and
<em class="parameter"><code>data</code></em>
is provided, only matching resource records will be removed.
The internet class is assumed if
<em class="parameter"><code>class</code></em>
is not supplied. The
<em class="parameter"><code>ttl</code></em>
is ignored, and is only allowed for compatibility.
</p></dd>
Deletes any resource records named
<em class="parameter"><code>domain-name</code></em>.
If
<em class="parameter"><code>type</code></em>
and
<em class="parameter"><code>data</code></em>
is provided, only matching resource records will be removed.
The internet class is assumed if
<em class="parameter"><code>class</code></em>
is not supplied. The
<em class="parameter"><code>ttl</code></em>
is ignored, and is only allowed for compatibility.
</p></dd>
<dt><span class="term">
<span><strong class="command">[<span class="optional">update</span>] add</strong></span>
{domain-name}
{ttl}
[class]
{type}
{data...}
</span></dt>
<span><strong class="command">[<span class="optional">update</span>] add</strong></span>
{domain-name}
{ttl}
[class]
{type}
{data...}
</span></dt>
<dd><p>
Adds a new resource record with the specified
<em class="parameter"><code>ttl</code></em>,
<em class="parameter"><code>class</code></em>
and
<em class="parameter"><code>data</code></em>.
</p></dd>
Adds a new resource record with the specified
<em class="parameter"><code>ttl</code></em>,
<em class="parameter"><code>class</code></em>
and
<em class="parameter"><code>data</code></em>.
</p></dd>
<dt><span class="term">
<span><strong class="command">show</strong></span>
</span></dt>
<span><strong class="command">show</strong></span>
</span></dt>
<dd><p>
Displays the current message, containing all of the
prerequisites and
updates specified since the last send.
</p></dd>
Displays the current message, containing all of the
prerequisites and
updates specified since the last send.
</p></dd>
<dt><span class="term">
<span><strong class="command">send</strong></span>
</span></dt>
<span><strong class="command">send</strong></span>
</span></dt>
<dd><p>
Sends the current message. This is equivalent to entering a
blank line.
</p></dd>
Sends the current message. This is equivalent to entering a
blank line.
</p></dd>
<dt><span class="term">
<span><strong class="command">answer</strong></span>
</span></dt>
<span><strong class="command">answer</strong></span>
</span></dt>
<dd><p>
Displays the answer.
</p></dd>
Displays the answer.
</p></dd>
<dt><span class="term">
<span><strong class="command">debug</strong></span>
</span></dt>
<span><strong class="command">debug</strong></span>
</span></dt>
<dd><p>
Turn on debugging.
</p></dd>
Turn on debugging.
</p></dd>
<dt><span class="term">
<span><strong class="command">version</strong></span>
</span></dt>
<span><strong class="command">version</strong></span>
</span></dt>
<dd><p>
Print version number.
</p></dd>
Print version number.
</p></dd>
<dt><span class="term">
<span><strong class="command">help</strong></span>
</span></dt>
<span><strong class="command">help</strong></span>
</span></dt>
<dd><p>
Print a list of commands.
</p></dd>
Print a list of commands.
</p></dd>
</dl></div>
<p>
</p>
@ -531,7 +537,7 @@
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2544884"></a><h2>EXAMPLES</h2>
<a name="id2545012"></a><h2>EXAMPLES</h2>
<p>
The examples below show how
<span><strong class="command">nsupdate</strong></span>
@ -585,30 +591,30 @@
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2544928"></a><h2>FILES</h2>
<a name="id2545056"></a><h2>FILES</h2>
<div class="variablelist"><dl>
<dt><span class="term"><code class="constant">/etc/resolv.conf</code></span></dt>
<dd><p>
used to identify default name server
</p></dd>
used to identify default name server
</p></dd>
<dt><span class="term"><code class="constant">/var/run/named/session.key</code></span></dt>
<dd><p>
sets the default TSIG key for use in local-only mode
</p></dd>
sets the default TSIG key for use in local-only mode
</p></dd>
<dt><span class="term"><code class="constant">K{name}.+157.+{random}.key</code></span></dt>
<dd><p>
base-64 encoding of HMAC-MD5 key created by
<span class="citerefentry"><span class="refentrytitle">dnssec-keygen</span>(8)</span>.
</p></dd>
base-64 encoding of HMAC-MD5 key created by
<span class="citerefentry"><span class="refentrytitle">dnssec-keygen</span>(8)</span>.
</p></dd>
<dt><span class="term"><code class="constant">K{name}.+157.+{random}.private</code></span></dt>
<dd><p>
base-64 encoding of HMAC-MD5 key created by
<span class="citerefentry"><span class="refentrytitle">dnssec-keygen</span>(8)</span>.
</p></dd>
base-64 encoding of HMAC-MD5 key created by
<span class="citerefentry"><span class="refentrytitle">dnssec-keygen</span>(8)</span>.
</p></dd>
</dl></div>
</div>
<div class="refsect1" lang="en">
<a name="id2542007"></a><h2>SEE ALSO</h2>
<a name="id2545142"></a><h2>SEE ALSO</h2>
<p>
<em class="citetitle">RFC 2136</em>,
<em class="citetitle">RFC 3007</em>,
@ -623,7 +629,7 @@
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2545273"></a><h2>BUGS</h2>
<a name="id2545200"></a><h2>BUGS</h2>
<p>
The TSIG key is redundantly stored in two separate files.
This is a consequence of nsupdate using the DST library

6
doc/arm/man.arpaname.html
View file

@ -50,20 +50,20 @@
<div class="cmdsynopsis"><p><code class="command">arpaname</code> {<em class="replaceable"><code>ipaddress </code></em>...}</p></div>
</div>
<div class="refsect1" lang="en">
<a name="id2622651"></a><h2>DESCRIPTION</h2>
<a name="id2622631"></a><h2>DESCRIPTION</h2>
<p>
<span><strong class="command">arpaname</strong></span> translates IP addresses (IPv4 and
IPv6) to the corresponding IN-ADDR.ARPA or IP6.ARPA names.
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2622666"></a><h2>SEE ALSO</h2>
<a name="id2622646"></a><h2>SEE ALSO</h2>
<p>
<em class="citetitle">BIND 9 Administrator Reference Manual</em>.
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2669306"></a><h2>AUTHOR</h2>
<a name="id2622660"></a><h2>AUTHOR</h2>
<p><span class="corpauthor">Internet Systems Consortium</span>
</p>
</div>

8
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@ -51,7 +51,7 @@
<div class="cmdsynopsis"><p><code class="command">ddns-confgen</code> [<code class="option">-a <em class="replaceable"><code>algorithm</code></em></code>] [<code class="option">-h</code>] [<code class="option">-k <em class="replaceable"><code>keyname</code></em></code>] [<code class="option">-q</code>] [<code class="option">-r <em class="replaceable"><code>randomfile</code></em></code>] [ -s <em class="replaceable"><code>name</code></em> | -z <em class="replaceable"><code>zone</code></em> ]</p></div>
</div>
<div class="refsect1" lang="en">
<a name="id2664087"></a><h2>DESCRIPTION</h2>
<a name="id2664749"></a><h2>DESCRIPTION</h2>
<p>
<span><strong class="command">tsig-keygen</strong></span> and <span><strong class="command">ddns-confgen</strong></span>
are invocation methods for a utility that generates keys for use
@ -87,7 +87,7 @@
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2664190"></a><h2>OPTIONS</h2>
<a name="id2664853"></a><h2>OPTIONS</h2>
<div class="variablelist"><dl>
<dt><span class="term">-a <em class="replaceable"><code>algorithm</code></em></span></dt>
<dd><p>
@ -159,7 +159,7 @@
</dl></div>
</div>
<div class="refsect1" lang="en">
<a name="id2664680"></a><h2>SEE ALSO</h2>
<a name="id2665138"></a><h2>SEE ALSO</h2>
<p><span class="citerefentry"><span class="refentrytitle">nsupdate</span>(1)</span>,
<span class="citerefentry"><span class="refentrytitle">named.conf</span>(5)</span>,
<span class="citerefentry"><span class="refentrytitle">named</span>(8)</span>,
@ -167,7 +167,7 @@
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2664718"></a><h2>AUTHOR</h2>
<a name="id2665176"></a><h2>AUTHOR</h2>
<p><span class="corpauthor">Internet Systems Consortium</span>
</p>
</div>

8
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@ -50,7 +50,7 @@
<div class="cmdsynopsis"><p><code class="command">genrandom</code> [<code class="option">-n <em class="replaceable"><code>number</code></em></code>] {<em class="replaceable"><code>size</code></em>} {<em class="replaceable"><code>filename</code></em>}</p></div>
</div>
<div class="refsect1" lang="en">
<a name="id2623255"></a><h2>DESCRIPTION</h2>
<a name="id2669178"></a><h2>DESCRIPTION</h2>
<p>
<span><strong class="command">genrandom</strong></span>
generates a file or a set of files containing a specified quantity
@ -59,7 +59,7 @@
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2623270"></a><h2>ARGUMENTS</h2>
<a name="id2669193"></a><h2>ARGUMENTS</h2>
<div class="variablelist"><dl>
<dt><span class="term">-n <em class="replaceable"><code>number</code></em></span></dt>
<dd><p>
@ -77,14 +77,14 @@
</dl></div>
</div>
<div class="refsect1" lang="en">
<a name="id2669479"></a><h2>SEE ALSO</h2>
<a name="id2669254"></a><h2>SEE ALSO</h2>
<p>
<span class="citerefentry"><span class="refentrytitle">rand</span>(3)</span>,
<span class="citerefentry"><span class="refentrytitle">arc4random</span>(3)</span>
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2669506"></a><h2>AUTHOR</h2>
<a name="id2669281"></a><h2>AUTHOR</h2>
<p><span class="corpauthor">Internet Systems Consortium</span>
</p>
</div>

8
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@ -50,7 +50,7 @@
<div class="cmdsynopsis"><p><code class="command">isc-hmac-fixup</code> {<em class="replaceable"><code>algorithm</code></em>} {<em class="replaceable"><code>secret</code></em>}</p></div>
</div>
<div class="refsect1" lang="en">
<a name="id2623346"></a><h2>DESCRIPTION</h2>
<a name="id2623325"></a><h2>DESCRIPTION</h2>
<p>
Versions of BIND 9 up to and including BIND 9.6 had a bug causing
HMAC-SHA* TSIG keys which were longer than the digest length of the
@ -76,7 +76,7 @@
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2669795"></a><h2>SECURITY CONSIDERATIONS</h2>
<a name="id2669365"></a><h2>SECURITY CONSIDERATIONS</h2>
<p>
Secrets that have been converted by <span><strong class="command">isc-hmac-fixup</strong></span>
are shortened, but as this is how the HMAC protocol works in
@ -87,14 +87,14 @@
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2669811"></a><h2>SEE ALSO</h2>
<a name="id2669381"></a><h2>SEE ALSO</h2>
<p>
<em class="citetitle">BIND 9 Administrator Reference Manual</em>,
<em class="citetitle">RFC 2104</em>.
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2669828"></a><h2>AUTHOR</h2>
<a name="id2669398"></a><h2>AUTHOR</h2>
<p><span class="corpauthor">Internet Systems Consortium</span>
</p>
</div>

8
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@ -48,7 +48,7 @@
<div class="cmdsynopsis"><p><code class="command">nsec3hash</code> {<em class="replaceable"><code>salt</code></em>} {<em class="replaceable"><code>algorithm</code></em>} {<em class="replaceable"><code>iterations</code></em>} {<em class="replaceable"><code>domain</code></em>}</p></div>
</div>
<div class="refsect1" lang="en">
<a name="id2670146"></a><h2>DESCRIPTION</h2>
<a name="id2669511"></a><h2>DESCRIPTION</h2>
<p>
<span><strong class="command">nsec3hash</strong></span> generates an NSEC3 hash based on
a set of NSEC3 parameters. This can be used to check the validity
@ -56,7 +56,7 @@
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2670161"></a><h2>ARGUMENTS</h2>
<a name="id2669526"></a><h2>ARGUMENTS</h2>
<div class="variablelist"><dl>
<dt><span class="term">salt</span></dt>
<dd><p>
@ -80,14 +80,14 @@
</dl></div>
</div>
<div class="refsect1" lang="en">
<a name="id2670222"></a><h2>SEE ALSO</h2>
<a name="id2669588"></a><h2>SEE ALSO</h2>
<p>
<em class="citetitle">BIND 9 Administrator Reference Manual</em>,
<em class="citetitle">RFC 5155</em>.
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2670240"></a><h2>AUTHOR</h2>
<a name="id2669605"></a><h2>AUTHOR</h2>
<p><span class="corpauthor">Internet Systems Consortium</span>
</p>
</div>

750
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@ -47,10 +47,10 @@
</div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="cmdsynopsis"><p><code class="command">nsupdate</code> [<code class="option">-d</code>] [<code class="option">-D</code>] [[<code class="option">-g</code>] | [<code class="option">-o</code>] | [<code class="option">-l</code>] | [<code class="option">-y <em class="replaceable"><code>[<span class="optional">hmac:</span>]keyname:secret</code></em></code>] | [<code class="option">-k <em class="replaceable"><code>keyfile</code></em></code>]] [<code class="option">-t <em class="replaceable"><code>timeout</code></em></code>] [<code class="option">-u <em class="replaceable"><code>udptimeout</code></em></code>] [<code class="option">-r <em class="replaceable"><code>udpretries</code></em></code>] [<code class="option">-R <em class="replaceable"><code>randomdev</code></em></code>] [<code class="option">-v</code>] [<code class="option">-T</code>] [<code class="option">-P</code>] [<code class="option">-V</code>] [filename]</p></div>
<div class="cmdsynopsis"><p><code class="command">nsupdate</code> [<code class="option">-d</code>] [<code class="option">-D</code>] [<code class="option">-L <em class="replaceable"><code>level</code></em></code>] [[<code class="option">-g</code>] | [<code class="option">-o</code>] | [<code class="option">-l</code>] | [<code class="option">-y <em class="replaceable"><code>[<span class="optional">hmac:</span>]keyname:secret</code></em></code>] | [<code class="option">-k <em class="replaceable"><code>keyfile</code></em></code>]] [<code class="option">-t <em class="replaceable"><code>timeout</code></em></code>] [<code class="option">-u <em class="replaceable"><code>udptimeout</code></em></code>] [<code class="option">-r <em class="replaceable"><code>udpretries</code></em></code>] [<code class="option">-R <em class="replaceable"><code>randomdev</code></em></code>] [<code class="option">-v</code>] [<code class="option">-T</code>] [<code class="option">-P</code>] [<code class="option">-V</code>] [filename]</p></div>
</div>
<div class="refsect1" lang="en">
<a name="id2655314"></a><h2>DESCRIPTION</h2>
<a name="id2655787"></a><h2>DESCRIPTION</h2>
<p><span><strong class="command">nsupdate</strong></span>
is used to submit Dynamic DNS Update requests as defined in RFC 2136
to a name server.
@ -74,44 +74,31 @@
Requests are sent to the zone's master server.
This is identified by the MNAME field of the zone's SOA record.
</p>
<p>
The
<code class="option">-d</code>
option makes
<span><strong class="command">nsupdate</strong></span>
operate in debug mode.
This provides tracing information about the update requests that are
made and the replies received from the name server.
</p>
<p>
The <code class="option">-D</code> option makes <span><strong class="command">nsupdate</strong></span>
report additional debugging information to <code class="option">-d</code>.
</p>
<p>
The <code class="option">-L</code> option with an integer argument of zero or
higher sets the logging debug level. If zero, logging is disabled.
</p>
<p>
Transaction signatures can be used to authenticate the Dynamic
DNS updates. These use the TSIG resource record type described
in RFC 2845 or the SIG(0) record described in RFC 2535 and
RFC 2931 or GSS-TSIG as described in RFC 3645. TSIG relies on
RFC 2931 or GSS-TSIG as described in RFC 3645.
</p>
<p>
TSIG relies on
a shared secret that should only be known to
<span><strong class="command">nsupdate</strong></span> and the name server. Currently,
the only supported encryption algorithm for TSIG is HMAC-MD5,
which is defined in RFC 2104. Once other algorithms are
defined for TSIG, applications will need to ensure they select
the appropriate algorithm as well as the key when authenticating
each other. For instance, suitable <span class="type">key</span> and
<span><strong class="command">nsupdate</strong></span> and the name server.
For instance, suitable <span class="type">key</span> and
<span class="type">server</span> statements would be added to
<code class="filename">/etc/named.conf</code> so that the name server
can associate the appropriate secret key and algorithm with
the IP address of the client application that will be using
TSIG authentication. SIG(0) uses public key cryptography.
TSIG authentication. You can use <span><strong class="command">ddns-confgen</strong></span>
to generate suitable configuration fragments.
<span><strong class="command">nsupdate</strong></span>
uses the <code class="option">-y</code> or <code class="option">-k</code> options
to provide the TSIG shared secret. These options are mutually exclusive.
</p>
<p>
SIG(0) uses public key cryptography.
To use a SIG(0) key, the public key must be stored in a KEY
record in a zone served by the name server.
<span><strong class="command">nsupdate</strong></span> does not read
<code class="filename">/etc/named.conf</code>.
</p>
<p>
GSS-TSIG uses Kerberos credentials. Standard GSS-TSIG mode
@ -119,124 +106,143 @@
non-standards-compliant variant of GSS-TSIG used by Windows
2000 can be switched on with the <code class="option">-o</code> flag.
</p>
<p><span><strong class="command">nsupdate</strong></span>
uses the <code class="option">-y</code> or <code class="option">-k</code> option
to provide the shared secret needed to generate a TSIG record
for authenticating Dynamic DNS update requests, default type
HMAC-MD5. These options are mutually exclusive.
</p>
<p>
When the <code class="option">-y</code> option is used, a signature is
generated from
[<span class="optional"><em class="parameter"><code>hmac:</code></em></span>]<em class="parameter"><code>keyname:secret.</code></em>
<em class="parameter"><code>keyname</code></em> is the name of the key, and
<em class="parameter"><code>secret</code></em> is the base64 encoded shared secret.
<em class="parameter"><code>hmac</code></em> is the name of the key algorithm;
valid choices are <code class="literal">hmac-md5</code>,
<code class="literal">hmac-sha1</code>, <code class="literal">hmac-sha224</code>,
<code class="literal">hmac-sha256</code>, <code class="literal">hmac-sha384</code>, or
<code class="literal">hmac-sha512</code>. If <em class="parameter"><code>hmac</code></em>
is not specified, the default is <code class="literal">hmac-md5</code>.
NOTE: Use of the <code class="option">-y</code> option is discouraged because the
shared secret is supplied as a command line argument in clear text.
This may be visible in the output from
<span class="citerefentry"><span class="refentrytitle">ps</span>(1)</span>
or in a history file maintained by the user's shell.
</p>
<p>
With the
<code class="option">-k</code> option, <span><strong class="command">nsupdate</strong></span> reads
the shared secret from the file <em class="parameter"><code>keyfile</code></em>.
Keyfiles may be in two formats: a single file containing
a <code class="filename">named.conf</code>-format <span><strong class="command">key</strong></span>
statement, which may be generated automatically by
<span><strong class="command">ddns-confgen</strong></span>, or a pair of files whose names are
of the format <code class="filename">K{name}.+157.+{random}.key</code> and
<code class="filename">K{name}.+157.+{random}.private</code>, which can be
generated by <span><strong class="command">dnssec-keygen</strong></span>.
The <code class="option">-k</code> may also be used to specify a SIG(0) key used
to authenticate Dynamic DNS update requests. In this case, the key
specified is not an HMAC-MD5 key.
</p>
<p>
<span><strong class="command">nsupdate</strong></span> can be run in a local-host only mode
using the <code class="option">-l</code> flag. This sets the server address to
localhost (disabling the <span><strong class="command">server</strong></span> so that the server
address cannot be overridden). Connections to the local server will
use a TSIG key found in <code class="filename">/var/run/named/session.key</code>,
which is automatically generated by <span><strong class="command">named</strong></span> if any
local master zone has set <span><strong class="command">update-policy</strong></span> to
<span><strong class="command">local</strong></span>. The location of this key file can be
overridden with the <code class="option">-k</code> option.
</p>
<p>
By default, <span><strong class="command">nsupdate</strong></span>
uses UDP to send update requests to the name server unless they are too
large to fit in a UDP request in which case TCP will be used.
The
<code class="option">-v</code>
option makes
<span><strong class="command">nsupdate</strong></span>
use a TCP connection.
This may be preferable when a batch of update requests is made.
</p>
<p>
The <code class="option">-p</code> sets the default port number to use for
connections to a name server. The default is 53.
</p>
<p>
The <code class="option">-t</code> option sets the maximum time an update request
can
take before it is aborted. The default is 300 seconds. Zero can be
used
to disable the timeout.
</p>
<p>
The <code class="option">-u</code> option sets the UDP retry interval. The default
is
3 seconds. If zero, the interval will be computed from the timeout
interval
and number of UDP retries.
</p>
<p>
The <code class="option">-r</code> option sets the number of UDP retries. The
default is
3. If zero, only one update request will be made.
</p>
<p>
The <code class="option">-R <em class="replaceable"><code>randomdev</code></em></code> option
specifies a source of randomness. If the operating system
does not provide a <code class="filename">/dev/random</code> or
equivalent device, the default source of randomness is keyboard
input. <code class="filename">randomdev</code> specifies the name of
a character device or file containing random data to be used
instead of the default. The special value
<code class="filename">keyboard</code> indicates that keyboard input
should be used. This option may be specified multiple times.
</p>
<p>
Other types can be entered using "TYPEXXXXX" where "XXXXX" is the
decimal value of the type with no leading zeros. The rdata,
if present, will be parsed using the UNKNOWN rdata format,
(&lt;backslash&gt; &lt;hash&gt; &lt;space&gt; &lt;length&gt;
&lt;space&gt; &lt;hexstring&gt;).
</p>
<p>
The <code class="option">-T</code> and <code class="option">-P</code> options print out
lists of non-meta types for which the type-specific presentation
formats are known. <code class="option">-T</code> prints out the list of
IANA-assigned types. <code class="option">-P</code> prints out the list of
private types specific to <span><strong class="command">named</strong></span>. These options
may be combined. <span><strong class="command">nsupdate</strong></span> will exit after the
lists are printed.
</p>
<p>
The -V option causes <span><strong class="command">nsupdate</strong></span> to print the
version number and exit.
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2691104"></a><h2>INPUT FORMAT</h2>
<a name="id2655876"></a><h2>OPTIONS</h2>
<div class="variablelist"><dl>
<dt><span class="term">-d</span></dt>
<dd><p>
Debug mode. This provides tracing information about the
update requests that are made and the replies received
from the name server.
</p></dd>
<dt><span class="term">-D</span></dt>
<dd><p>
Extra debug mode.
</p></dd>
<dt><span class="term">-k <em class="replaceable"><code>keyfile</code></em></span></dt>
<dd><p>
The file containing the TSIG authentication key.
Keyfiles may be in two formats: a single file containing
a <code class="filename">named.conf</code>-format <span><strong class="command">key</strong></span>
statement, which may be generated automatically by
<span><strong class="command">ddns-confgen</strong></span>, or a pair of files whose names are
of the format <code class="filename">K{name}.+157.+{random}.key</code> and
<code class="filename">K{name}.+157.+{random}.private</code>, which can be
generated by <span><strong class="command">dnssec-keygen</strong></span>.
The <code class="option">-k</code> may also be used to specify a SIG(0) key used
to authenticate Dynamic DNS update requests. In this case, the key
specified is not an HMAC-MD5 key.
</p></dd>
<dt><span class="term">-l</span></dt>
<dd><p>
Local-host only mode. This sets the server address to
localhost (disabling the <span><strong class="command">server</strong></span> so that the server
address cannot be overridden). Connections to the local server will
use a TSIG key found in <code class="filename">/var/run/named/session.key</code>,
which is automatically generated by <span><strong class="command">named</strong></span> if any
local master zone has set <span><strong class="command">update-policy</strong></span> to
<span><strong class="command">local</strong></span>. The location of this key file can be
overridden with the <code class="option">-k</code> option.
</p></dd>
<dt><span class="term">-L <em class="replaceable"><code>level</code></em></span></dt>
<dd><p>
Set the logging debug level. If zero, logging is disabled.
</p></dd>
<dt><span class="term">-p <em class="replaceable"><code>port</code></em></span></dt>
<dd><p>
Set the port to use for connections to a name server. The
default is 53.
</p></dd>
<dt><span class="term">-P</span></dt>
<dd><p>
Print the list of private BIND-specific resource record
types whose format is understood
by <span><strong class="command">nsupdate</strong></span>. See also
the <code class="option">-T</code> option.
</p></dd>
<dt><span class="term">-r <em class="replaceable"><code>udpretries</code></em></span></dt>
<dd><p>
The number of UDP retries. The default is 3. If zero, only
one update request will be made.
</p></dd>
<dt><span class="term">-R <em class="replaceable"><code>randomdev</code></em></span></dt>
<dd><p>
Where to obtain randomness. If the operating system
does not provide a <code class="filename">/dev/random</code> or
equivalent device, the default source of randomness is keyboard
input. <code class="filename">randomdev</code> specifies the name of
a character device or file containing random data to be used
instead of the default. The special value
<code class="filename">keyboard</code> indicates that keyboard input
should be used. This option may be specified multiple times.
</p></dd>
<dt><span class="term">-t <em class="replaceable"><code>timeout</code></em></span></dt>
<dd><p>
The maximum time an update request can take before it is
aborted. The default is 300 seconds. Zero can be used to
disable the timeout.
</p></dd>
<dt><span class="term">-T</span></dt>
<dd>
<p>
Print the list of IANA standard resource record types
whose format is understood by <span><strong class="command">nsupdate</strong></span>.
<span><strong class="command">nsupdate</strong></span> will exit after the lists are
printed. The <code class="option">-T</code> option can be combined
with the <code class="option">-P</code> option.
</p>
<p>
Other types can be entered using "TYPEXXXXX" where "XXXXX" is the
decimal value of the type with no leading zeros. The rdata,
if present, will be parsed using the UNKNOWN rdata format,
(&lt;backslash&gt; &lt;hash&gt; &lt;space&gt; &lt;length&gt;
&lt;space&gt; &lt;hexstring&gt;).
</p>
</dd>
<dt><span class="term">-u <em class="replaceable"><code>udptimeout</code></em></span></dt>
<dd><p>
The UDP retry interval. The default is 3 seconds. If zero,
the interval will be computed from the timeout interval and
number of UDP retries.
</p></dd>
<dt><span class="term">-v</span></dt>
<dd><p>
Use TCP even for small update requests.
By default, <span><strong class="command">nsupdate</strong></span>
uses UDP to send update requests to the name server unless they are too
large to fit in a UDP request in which case TCP will be used.
TCP may be preferable when a batch of update requests is made.
</p></dd>
<dt><span class="term">-V</span></dt>
<dd><p>
Print the version number and exit.
</p></dd>
<dt><span class="term">-y <em class="replaceable"><code>[<span class="optional">hmac:</span>]keyname:secret</code></em></span></dt>
<dd>
<p>
Literal TSIG authentication key.
<em class="parameter"><code>keyname</code></em> is the name of the key, and
<em class="parameter"><code>secret</code></em> is the base64 encoded shared secret.
<em class="parameter"><code>hmac</code></em> is the name of the key algorithm;
valid choices are <code class="literal">hmac-md5</code>,
<code class="literal">hmac-sha1</code>, <code class="literal">hmac-sha224</code>,
<code class="literal">hmac-sha256</code>, <code class="literal">hmac-sha384</code>, or
<code class="literal">hmac-sha512</code>. If <em class="parameter"><code>hmac</code></em>
is not specified, the default is <code class="literal">hmac-md5</code>.
</p>
<p>
NOTE: Use of the <code class="option">-y</code> option is discouraged because the
shared secret is supplied as a command line argument in clear text.
This may be visible in the output from
<span class="citerefentry"><span class="refentrytitle">ps</span>(1)</span>
or in a history file maintained by the user's shell.
</p>
</dd>
</dl></div>
</div>
<div class="refsect1" lang="en">
<a name="id2691203"></a><h2>INPUT FORMAT</h2>
<p><span><strong class="command">nsupdate</strong></span>
reads input from
<em class="parameter"><code>filename</code></em>
@ -266,120 +272,120 @@
</p>
<div class="variablelist"><dl>
<dt><span class="term">
<span><strong class="command">server</strong></span>
{servername}
[port]
</span></dt>
<span><strong class="command">server</strong></span>
{servername}
[port]
</span></dt>
<dd><p>
Sends all dynamic update requests to the name server
<em class="parameter"><code>servername</code></em>.
When no server statement is provided,
<span><strong class="command">nsupdate</strong></span>
will send updates to the master server of the correct zone.
The MNAME field of that zone's SOA record will identify the
master
server for that zone.
<em class="parameter"><code>port</code></em>
is the port number on
<em class="parameter"><code>servername</code></em>
where the dynamic update requests get sent.
If no port number is specified, the default DNS port number of
53 is
used.
</p></dd>
Sends all dynamic update requests to the name server
<em class="parameter"><code>servername</code></em>.
When no server statement is provided,
<span><strong class="command">nsupdate</strong></span>
will send updates to the master server of the correct zone.
The MNAME field of that zone's SOA record will identify the
master
server for that zone.
<em class="parameter"><code>port</code></em>
is the port number on
<em class="parameter"><code>servername</code></em>
where the dynamic update requests get sent.
If no port number is specified, the default DNS port number of
53 is
used.
</p></dd>
<dt><span class="term">
<span><strong class="command">local</strong></span>
{address}
[port]
</span></dt>
<span><strong class="command">local</strong></span>
{address}
[port]
</span></dt>
<dd><p>
Sends all dynamic update requests using the local
<em class="parameter"><code>address</code></em>.
Sends all dynamic update requests using the local
<em class="parameter"><code>address</code></em>.
When no local statement is provided,
<span><strong class="command">nsupdate</strong></span>
will send updates using an address and port chosen by the
system.
<em class="parameter"><code>port</code></em>
can additionally be used to make requests come from a specific
port.
If no port number is specified, the system will assign one.
</p></dd>
When no local statement is provided,
<span><strong class="command">nsupdate</strong></span>
will send updates using an address and port chosen by the
system.
<em class="parameter"><code>port</code></em>
can additionally be used to make requests come from a specific
port.
If no port number is specified, the system will assign one.
</p></dd>
<dt><span class="term">
<span><strong class="command">zone</strong></span>
{zonename}
</span></dt>
<span><strong class="command">zone</strong></span>
{zonename}
</span></dt>
<dd><p>
Specifies that all updates are to be made to the zone
<em class="parameter"><code>zonename</code></em>.
If no
<em class="parameter"><code>zone</code></em>
statement is provided,
<span><strong class="command">nsupdate</strong></span>
will attempt determine the correct zone to update based on the
rest of the input.
</p></dd>
Specifies that all updates are to be made to the zone
<em class="parameter"><code>zonename</code></em>.
If no
<em class="parameter"><code>zone</code></em>
statement is provided,
<span><strong class="command">nsupdate</strong></span>
will attempt determine the correct zone to update based on the
rest of the input.
</p></dd>
<dt><span class="term">
<span><strong class="command">class</strong></span>
{classname}
</span></dt>
<span><strong class="command">class</strong></span>
{classname}
</span></dt>
<dd><p>
Specify the default class.
If no <em class="parameter"><code>class</code></em> is specified, the
default class is
<em class="parameter"><code>IN</code></em>.
</p></dd>
Specify the default class.
If no <em class="parameter"><code>class</code></em> is specified, the
default class is
<em class="parameter"><code>IN</code></em>.
</p></dd>
<dt><span class="term">
<span><strong class="command">ttl</strong></span>
{seconds}
</span></dt>
<span><strong class="command">ttl</strong></span>
{seconds}
</span></dt>
<dd><p>
Specify the default time to live for records to be added.
Specify the default time to live for records to be added.
The value <em class="parameter"><code>none</code></em> will clear the default
ttl.
</p></dd>
</p></dd>
<dt><span class="term">
<span><strong class="command">key</strong></span>
[hmac:] {keyname}
{secret}
</span></dt>
<span><strong class="command">key</strong></span>
[hmac:] {keyname}
{secret}
</span></dt>
<dd><p>
Specifies that all updates are to be TSIG-signed using the
<em class="parameter"><code>keyname</code></em> <em class="parameter"><code>secret</code></em> pair.
If <em class="parameter"><code>hmac</code></em> is specified, then it sets the
signing algorithm in use; the default is
<code class="literal">hmac-md5</code>. The <span><strong class="command">key</strong></span>
command overrides any key specified on the command line via
<code class="option">-y</code> or <code class="option">-k</code>.
</p></dd>
Specifies that all updates are to be TSIG-signed using the
<em class="parameter"><code>keyname</code></em> <em class="parameter"><code>secret</code></em> pair.
If <em class="parameter"><code>hmac</code></em> is specified, then it sets the
signing algorithm in use; the default is
<code class="literal">hmac-md5</code>. The <span><strong class="command">key</strong></span>
command overrides any key specified on the command line via
<code class="option">-y</code> or <code class="option">-k</code>.
</p></dd>
<dt><span class="term">
<span><strong class="command">gsstsig</strong></span>
</span></dt>
<span><strong class="command">gsstsig</strong></span>
</span></dt>
<dd><p>
Use GSS-TSIG to sign the updated. This is equivalent to
specifying <code class="option">-g</code> on the commandline.
</p></dd>
</p></dd>
<dt><span class="term">
<span><strong class="command">oldgsstsig</strong></span>
</span></dt>
<span><strong class="command">oldgsstsig</strong></span>
</span></dt>
<dd><p>
Use the Windows 2000 version of GSS-TSIG to sign the updated.
This is equivalent to specifying <code class="option">-o</code> on the
commandline.
</p></dd>
</p></dd>
<dt><span class="term">
<span><strong class="command">realm</strong></span>
{[<span class="optional">realm_name</span>]}
</span></dt>
<span><strong class="command">realm</strong></span>
{[<span class="optional">realm_name</span>]}
</span></dt>
<dd><p>
When using GSS-TSIG use <em class="parameter"><code>realm_name</code></em> rather
than the default realm in <code class="filename">krb5.conf</code>. If no
realm is specified the saved realm is cleared.
</p></dd>
</p></dd>
<dt><span class="term">
<span><strong class="command">check-names</strong></span>
{[<span class="optional">yes_or_no</span>]}
</span></dt>
<span><strong class="command">check-names</strong></span>
{[<span class="optional">yes_or_no</span>]}
</span></dt>
<dd><p>
Turn on or off check-names processing on records to
be added. Check-names has no effect on prerequisites
@ -388,159 +394,159 @@
the record will not be added to the UPDATE message.
</p></dd>
<dt><span class="term">
<span><strong class="command">[<span class="optional">prereq</span>] nxdomain</strong></span>
{domain-name}
</span></dt>
<span><strong class="command">[<span class="optional">prereq</span>] nxdomain</strong></span>
{domain-name}
</span></dt>
<dd><p>
Requires that no resource record of any type exists with name
<em class="parameter"><code>domain-name</code></em>.
</p></dd>
Requires that no resource record of any type exists with name
<em class="parameter"><code>domain-name</code></em>.
</p></dd>
<dt><span class="term">
<span><strong class="command">[<span class="optional">prereq</span>] yxdomain</strong></span>
{domain-name}
</span></dt>
<span><strong class="command">[<span class="optional">prereq</span>] yxdomain</strong></span>
{domain-name}
</span></dt>
<dd><p>
Requires that
<em class="parameter"><code>domain-name</code></em>
exists (has as at least one resource record, of any type).
</p></dd>
Requires that
<em class="parameter"><code>domain-name</code></em>
exists (has as at least one resource record, of any type).
</p></dd>
<dt><span class="term">
<span><strong class="command">[<span class="optional">prereq</span>] nxrrset</strong></span>
{domain-name}
[class]
{type}
</span></dt>
<span><strong class="command">[<span class="optional">prereq</span>] nxrrset</strong></span>
{domain-name}
[class]
{type}
</span></dt>
<dd><p>
Requires that no resource record exists of the specified
<em class="parameter"><code>type</code></em>,
<em class="parameter"><code>class</code></em>
and
<em class="parameter"><code>domain-name</code></em>.
If
<em class="parameter"><code>class</code></em>
is omitted, IN (internet) is assumed.
</p></dd>
Requires that no resource record exists of the specified
<em class="parameter"><code>type</code></em>,
<em class="parameter"><code>class</code></em>
and
<em class="parameter"><code>domain-name</code></em>.
If
<em class="parameter"><code>class</code></em>
is omitted, IN (internet) is assumed.
</p></dd>
<dt><span class="term">
<span><strong class="command">[<span class="optional">prereq</span>] yxrrset</strong></span>
{domain-name}
[class]
{type}
</span></dt>
<span><strong class="command">[<span class="optional">prereq</span>] yxrrset</strong></span>
{domain-name}
[class]
{type}
</span></dt>
<dd><p>
This requires that a resource record of the specified
<em class="parameter"><code>type</code></em>,
<em class="parameter"><code>class</code></em>
and
<em class="parameter"><code>domain-name</code></em>
must exist.
If
<em class="parameter"><code>class</code></em>
is omitted, IN (internet) is assumed.
</p></dd>
This requires that a resource record of the specified
<em class="parameter"><code>type</code></em>,
<em class="parameter"><code>class</code></em>
and
<em class="parameter"><code>domain-name</code></em>
must exist.
If
<em class="parameter"><code>class</code></em>
is omitted, IN (internet) is assumed.
</p></dd>
<dt><span class="term">
<span><strong class="command">[<span class="optional">prereq</span>] yxrrset</strong></span>
{domain-name}
[class]
{type}
{data...}
</span></dt>
<span><strong class="command">[<span class="optional">prereq</span>] yxrrset</strong></span>
{domain-name}
[class]
{type}
{data...}
</span></dt>
<dd><p>
The
<em class="parameter"><code>data</code></em>
from each set of prerequisites of this form
sharing a common
<em class="parameter"><code>type</code></em>,
<em class="parameter"><code>class</code></em>,
and
<em class="parameter"><code>domain-name</code></em>
are combined to form a set of RRs. This set of RRs must
exactly match the set of RRs existing in the zone at the
given
<em class="parameter"><code>type</code></em>,
<em class="parameter"><code>class</code></em>,
and
<em class="parameter"><code>domain-name</code></em>.
The
<em class="parameter"><code>data</code></em>
are written in the standard text representation of the resource
record's
RDATA.
</p></dd>
The
<em class="parameter"><code>data</code></em>
from each set of prerequisites of this form
sharing a common
<em class="parameter"><code>type</code></em>,
<em class="parameter"><code>class</code></em>,
and
<em class="parameter"><code>domain-name</code></em>
are combined to form a set of RRs. This set of RRs must
exactly match the set of RRs existing in the zone at the
given
<em class="parameter"><code>type</code></em>,
<em class="parameter"><code>class</code></em>,
and
<em class="parameter"><code>domain-name</code></em>.
The
<em class="parameter"><code>data</code></em>
are written in the standard text representation of the resource
record's
RDATA.
</p></dd>
<dt><span class="term">
<span><strong class="command">[<span class="optional">update</span>] del[<span class="optional">ete</span>]</strong></span>
{domain-name}
[ttl]
[class]
[type [data...]]
</span></dt>
<span><strong class="command">[<span class="optional">update</span>] del[<span class="optional">ete</span>]</strong></span>
{domain-name}
[ttl]
[class]
[type [data...]]
</span></dt>
<dd><p>
Deletes any resource records named
<em class="parameter"><code>domain-name</code></em>.
If
<em class="parameter"><code>type</code></em>
and
<em class="parameter"><code>data</code></em>
is provided, only matching resource records will be removed.
The internet class is assumed if
<em class="parameter"><code>class</code></em>
is not supplied. The
<em class="parameter"><code>ttl</code></em>
is ignored, and is only allowed for compatibility.
</p></dd>
Deletes any resource records named
<em class="parameter"><code>domain-name</code></em>.
If
<em class="parameter"><code>type</code></em>
and
<em class="parameter"><code>data</code></em>
is provided, only matching resource records will be removed.
The internet class is assumed if
<em class="parameter"><code>class</code></em>
is not supplied. The
<em class="parameter"><code>ttl</code></em>
is ignored, and is only allowed for compatibility.
</p></dd>
<dt><span class="term">
<span><strong class="command">[<span class="optional">update</span>] add</strong></span>
{domain-name}
{ttl}
[class]
{type}
{data...}
</span></dt>
<span><strong class="command">[<span class="optional">update</span>] add</strong></span>
{domain-name}
{ttl}
[class]
{type}
{data...}
</span></dt>
<dd><p>
Adds a new resource record with the specified
<em class="parameter"><code>ttl</code></em>,
<em class="parameter"><code>class</code></em>
and
<em class="parameter"><code>data</code></em>.
</p></dd>
Adds a new resource record with the specified
<em class="parameter"><code>ttl</code></em>,
<em class="parameter"><code>class</code></em>
and
<em class="parameter"><code>data</code></em>.
</p></dd>
<dt><span class="term">
<span><strong class="command">show</strong></span>
</span></dt>
<span><strong class="command">show</strong></span>
</span></dt>
<dd><p>
Displays the current message, containing all of the
prerequisites and
updates specified since the last send.
</p></dd>
Displays the current message, containing all of the
prerequisites and
updates specified since the last send.
</p></dd>
<dt><span class="term">
<span><strong class="command">send</strong></span>
</span></dt>
<span><strong class="command">send</strong></span>
</span></dt>
<dd><p>
Sends the current message. This is equivalent to entering a
blank line.
</p></dd>
Sends the current message. This is equivalent to entering a
blank line.
</p></dd>
<dt><span class="term">
<span><strong class="command">answer</strong></span>
</span></dt>
<span><strong class="command">answer</strong></span>
</span></dt>
<dd><p>
Displays the answer.
</p></dd>
Displays the answer.
</p></dd>
<dt><span class="term">
<span><strong class="command">debug</strong></span>
</span></dt>
<span><strong class="command">debug</strong></span>
</span></dt>
<dd><p>
Turn on debugging.
</p></dd>
Turn on debugging.
</p></dd>
<dt><span class="term">
<span><strong class="command">version</strong></span>
</span></dt>
<span><strong class="command">version</strong></span>
</span></dt>
<dd><p>
Print version number.
</p></dd>
Print version number.
</p></dd>
<dt><span class="term">
<span><strong class="command">help</strong></span>
</span></dt>
<span><strong class="command">help</strong></span>
</span></dt>
<dd><p>
Print a list of commands.
</p></dd>
Print a list of commands.
</p></dd>
</dl></div>
<p>
</p>
@ -549,7 +555,7 @@
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2692320"></a><h2>EXAMPLES</h2>
<a name="id2692412"></a><h2>EXAMPLES</h2>
<p>
The examples below show how
<span><strong class="command">nsupdate</strong></span>
@ -603,30 +609,30 @@
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2692370"></a><h2>FILES</h2>
<a name="id2692531"></a><h2>FILES</h2>
<div class="variablelist"><dl>
<dt><span class="term"><code class="constant">/etc/resolv.conf</code></span></dt>
<dd><p>
used to identify default name server
</p></dd>
used to identify default name server
</p></dd>
<dt><span class="term"><code class="constant">/var/run/named/session.key</code></span></dt>
<dd><p>
sets the default TSIG key for use in local-only mode
</p></dd>
sets the default TSIG key for use in local-only mode
</p></dd>
<dt><span class="term"><code class="constant">K{name}.+157.+{random}.key</code></span></dt>
<dd><p>
base-64 encoding of HMAC-MD5 key created by
<span class="citerefentry"><span class="refentrytitle">dnssec-keygen</span>(8)</span>.
</p></dd>
base-64 encoding of HMAC-MD5 key created by
<span class="citerefentry"><span class="refentrytitle">dnssec-keygen</span>(8)</span>.
</p></dd>
<dt><span class="term"><code class="constant">K{name}.+157.+{random}.private</code></span></dt>
<dd><p>
base-64 encoding of HMAC-MD5 key created by
<span class="citerefentry"><span class="refentrytitle">dnssec-keygen</span>(8)</span>.
</p></dd>
base-64 encoding of HMAC-MD5 key created by
<span class="citerefentry"><span class="refentrytitle">dnssec-keygen</span>(8)</span>.
</p></dd>
</dl></div>
</div>
<div class="refsect1" lang="en">
<a name="id2692453"></a><h2>SEE ALSO</h2>
<a name="id2692617"></a><h2>SEE ALSO</h2>
<p>
<em class="citetitle">RFC 2136</em>,
<em class="citetitle">RFC 3007</em>,
@ -641,7 +647,7 @@
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2692510"></a><h2>BUGS</h2>
<a name="id2692675"></a><h2>BUGS</h2>
<p>
The TSIG key is redundantly stored in two separate files.
This is a consequence of nsupdate using the DST library

10
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@ -50,7 +50,7 @@
<div class="cmdsynopsis"><p><code class="command">rndc-confgen</code> [<code class="option">-a</code>] [<code class="option">-A <em class="replaceable"><code>algorithm</code></em></code>] [<code class="option">-b <em class="replaceable"><code>keysize</code></em></code>] [<code class="option">-c <em class="replaceable"><code>keyfile</code></em></code>] [<code class="option">-h</code>] [<code class="option">-k <em class="replaceable"><code>keyname</code></em></code>] [<code class="option">-p <em class="replaceable"><code>port</code></em></code>] [<code class="option">-r <em class="replaceable"><code>randomfile</code></em></code>] [<code class="option">-s <em class="replaceable"><code>address</code></em></code>] [<code class="option">-t <em class="replaceable"><code>chrootdir</code></em></code>] [<code class="option">-u <em class="replaceable"><code>user</code></em></code>]</p></div>
</div>
<div class="refsect1" lang="en">
<a name="id2663384"></a><h2>DESCRIPTION</h2>
<a name="id2663296"></a><h2>DESCRIPTION</h2>
<p><span><strong class="command">rndc-confgen</strong></span>
generates configuration files
for <span><strong class="command">rndc</strong></span>. It can be used as a
@ -66,7 +66,7 @@
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2663450"></a><h2>OPTIONS</h2>
<a name="id2663362"></a><h2>OPTIONS</h2>
<div class="variablelist"><dl>
<dt><span class="term">-a</span></dt>
<dd>
@ -180,7 +180,7 @@
</dl></div>
</div>
<div class="refsect1" lang="en">
<a name="id2663853"></a><h2>EXAMPLES</h2>
<a name="id2666564"></a><h2>EXAMPLES</h2>
<p>
To allow <span><strong class="command">rndc</strong></span> to be used with
no manual configuration, run
@ -197,7 +197,7 @@
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2666641"></a><h2>SEE ALSO</h2>
<a name="id2666620"></a><h2>SEE ALSO</h2>
<p><span class="citerefentry"><span class="refentrytitle">rndc</span>(8)</span>,
<span class="citerefentry"><span class="refentrytitle">rndc.conf</span>(5)</span>,
<span class="citerefentry"><span class="refentrytitle">named</span>(8)</span>,
@ -205,7 +205,7 @@
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2666679"></a><h2>AUTHOR</h2>
<a name="id2666659"></a><h2>AUTHOR</h2>
<p><span class="corpauthor">Internet Systems Consortium</span>
</p>
</div>

10
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@ -50,7 +50,7 @@
<div class="cmdsynopsis"><p><code class="command">rndc.conf</code> </p></div>
</div>
<div class="refsect1" lang="en">
<a name="id2621068"></a><h2>DESCRIPTION</h2>
<a name="id2621048"></a><h2>DESCRIPTION</h2>
<p><code class="filename">rndc.conf</code> is the configuration file
for <span><strong class="command">rndc</strong></span>, the BIND 9 name server control
utility. This file has a similar structure and syntax to
@ -136,7 +136,7 @@
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2662951"></a><h2>EXAMPLE</h2>
<a name="id2662521"></a><h2>EXAMPLE</h2>
<pre class="programlisting">
options {
default-server localhost;
@ -210,7 +210,7 @@
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2663073"></a><h2>NAME SERVER CONFIGURATION</h2>
<a name="id2662643"></a><h2>NAME SERVER CONFIGURATION</h2>
<p>
The name server must be configured to accept rndc connections and
to recognize the key specified in the <code class="filename">rndc.conf</code>
@ -220,7 +220,7 @@
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2663098"></a><h2>SEE ALSO</h2>
<a name="id2662668"></a><h2>SEE ALSO</h2>
<p><span class="citerefentry"><span class="refentrytitle">rndc</span>(8)</span>,
<span class="citerefentry"><span class="refentrytitle">rndc-confgen</span>(8)</span>,
<span class="citerefentry"><span class="refentrytitle">mmencode</span>(1)</span>,
@ -228,7 +228,7 @@
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2663137"></a><h2>AUTHOR</h2>
<a name="id2663116"></a><h2>AUTHOR</h2>
<p><span class="corpauthor">Internet Systems Consortium</span>
</p>
</div>

12
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@ -50,7 +50,7 @@
<div class="cmdsynopsis"><p><code class="command">rndc</code> [<code class="option">-b <em class="replaceable"><code>source-address</code></em></code>] [<code class="option">-c <em class="replaceable"><code>config-file</code></em></code>] [<code class="option">-k <em class="replaceable"><code>key-file</code></em></code>] [<code class="option">-s <em class="replaceable"><code>server</code></em></code>] [<code class="option">-p <em class="replaceable"><code>port</code></em></code>] [<code class="option">-q</code>] [<code class="option">-V</code>] [<code class="option">-y <em class="replaceable"><code>key_id</code></em></code>] {command}</p></div>
</div>
<div class="refsect1" lang="en">
<a name="id2659411"></a><h2>DESCRIPTION</h2>
<a name="id2659390"></a><h2>DESCRIPTION</h2>
<p><span><strong class="command">rndc</strong></span>
controls the operation of a name
server. It supersedes the <span><strong class="command">ndc</strong></span> utility
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</p>
</div>
<div class="refsect1" lang="en">
<a name="id2659461"></a><h2>OPTIONS</h2>
<a name="id2659441"></a><h2>OPTIONS</h2>
<div class="variablelist"><dl>
<dt><span class="term">-b <em class="replaceable"><code>source-address</code></em></span></dt>
<dd><p>
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</dl></div>
</div>
<div class="refsect1" lang="en">
<a name="id2661459"></a><h2>COMMANDS</h2>
<a name="id2659732"></a><h2>COMMANDS</h2>
<p>
A list of commands supported by <span><strong class="command">rndc</strong></span> can
be seen by running <span><strong class="command">rndc</strong></span> without arguments.
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</dl></div>
</div>
<div class="refsect1" lang="en">
<a name="id2694917"></a><h2>LIMITATIONS</h2>
<a name="id2694965"></a><h2>LIMITATIONS</h2>
<p>
There is currently no way to provide the shared secret for a
<code class="option">key_id</code> without using the configuration file.
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</p>
</div>
<div class="refsect1" lang="en">
<a name="id2694935"></a><h2>SEE ALSO</h2>
<a name="id2694983"></a><h2>SEE ALSO</h2>
<p><span class="citerefentry"><span class="refentrytitle">rndc.conf</span>(5)</span>,
<span class="citerefentry"><span class="refentrytitle">rndc-confgen</span>(8)</span>,
<span class="citerefentry"><span class="refentrytitle">named</span>(8)</span>,
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</p>
</div>
<div class="refsect1" lang="en">
<a name="id2694990"></a><h2>AUTHOR</h2>
<a name="id2695038"></a><h2>AUTHOR</h2>
<p><span class="corpauthor">Internet Systems Consortium</span>
</p>
</div>