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<HTML
><HEAD
><TITLE
>rndc-confgen</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.79"></HEAD
><BODY
CLASS="REFENTRY"
BGCOLOR="#FFFFFF"
TEXT="#000000"
LINK="#0000FF"
VLINK="#840084"
ALINK="#0000FF"
><H1
><A
NAME="AEN1"
></A
><SPAN
CLASS="APPLICATION"
>rndc-confgen</SPAN
></H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN9"
></A
><H2
>Name</H2
><SPAN
CLASS="APPLICATION"
>rndc-confgen</SPAN
>&nbsp;--&nbsp;rndc key generation tool</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN13"
></A
><H2
>Synopsis</H2
><P
><B
CLASS="COMMAND"
>rndc-confgen</B
> [<CODE
CLASS="OPTION"
>-a</CODE
>] [<CODE
CLASS="OPTION"
>-b <TT
CLASS="REPLACEABLE"
><I
>keysize</I
></TT
></CODE
>] [<CODE
CLASS="OPTION"
>-c <TT
CLASS="REPLACEABLE"
><I
>keyfile</I
></TT
></CODE
>] [<CODE
CLASS="OPTION"
>-h</CODE
>] [<CODE
CLASS="OPTION"
>-k <TT
CLASS="REPLACEABLE"
><I
>keyname</I
></TT
></CODE
>] [<CODE
CLASS="OPTION"
>-p <TT
CLASS="REPLACEABLE"
><I
>port</I
></TT
></CODE
>] [<CODE
CLASS="OPTION"
>-r <TT
CLASS="REPLACEABLE"
><I
>randomfile</I
></TT
></CODE
>] [<CODE
CLASS="OPTION"
>-s <TT
CLASS="REPLACEABLE"
><I
>address</I
></TT
></CODE
>] [<CODE
CLASS="OPTION"
>-t <TT
CLASS="REPLACEABLE"
><I
>chrootdir</I
></TT
></CODE
>] [<CODE
CLASS="OPTION"
>-u <TT
CLASS="REPLACEABLE"
><I
>user</I
></TT
></CODE
>]</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN44"
></A
><H2
>DESCRIPTION</H2
><P
> <B
CLASS="COMMAND"
>rndc-confgen</B
> generates configuration files
for <B
CLASS="COMMAND"
>rndc</B
>. It can be used as a
convenient alternative to writing the
<TT
CLASS="FILENAME"
>rndc.conf</TT
> file
and the corresponding <B
CLASS="COMMAND"
>controls</B
>
and <B
CLASS="COMMAND"
>key</B
>
statements in <TT
CLASS="FILENAME"
>named.conf</TT
> by hand.
Alternatively, it can be run with the <B
CLASS="COMMAND"
>-a</B
>
option to set up a <TT
CLASS="FILENAME"
>rndc.key</TT
> file and
avoid the need for a <TT
CLASS="FILENAME"
>rndc.conf</TT
> file
and a <B
CLASS="COMMAND"
>controls</B
> statement altogether.
</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN57"
></A
><H2
>OPTIONS</H2
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
>-a</DT
><DD
><P
> Do automatic <B
CLASS="COMMAND"
>rndc</B
> configuration.
This creates a file <TT
CLASS="FILENAME"
>rndc.key</TT
>
in <TT
CLASS="FILENAME"
>/etc</TT
> (or whatever
<CODE
CLASS="VARNAME"
>sysconfdir</CODE
>
was specified as when <ACRONYM
CLASS="ACRONYM"
>BIND</ACRONYM
> was built)
that is read by both <B
CLASS="COMMAND"
>rndc</B
>
and <B
CLASS="COMMAND"
>named</B
> on startup. The
<TT
CLASS="FILENAME"
>rndc.key</TT
> file defines a default
command channel and authentication key allowing
<B
CLASS="COMMAND"
>rndc</B
> to communicate with
<B
CLASS="COMMAND"
>named</B
> on the local host
with no further configuration.
</P
><P
> Running <B
CLASS="COMMAND"
>rndc-confgen -a</B
> allows
BIND 9 and <B
CLASS="COMMAND"
>rndc</B
> to be used as drop-in
replacements for BIND 8 and <B
CLASS="COMMAND"
>ndc</B
>,
with no changes to the existing BIND 8
<TT
CLASS="FILENAME"
>named.conf</TT
> file.
</P
><P
> If a more elaborate configuration than that
generated by <B
CLASS="COMMAND"
>rndc-confgen -a</B
>
is required, for example if rndc is to be used remotely,
you should run <B
CLASS="COMMAND"
>rndc-confgen</B
> without the
<B
CLASS="COMMAND"
>-a</B
> option and set up a
<TT
CLASS="FILENAME"
>rndc.conf</TT
> and
<TT
CLASS="FILENAME"
>named.conf</TT
>
as directed.
</P
></DD
><DT
>-b <TT
CLASS="REPLACEABLE"
><I
>keysize</I
></TT
></DT
><DD
><P
> Specifies the size of the authentication key in bits.
Must be between 1 and 512 bits; the default is 128.
</P
></DD
><DT
>-c <TT
CLASS="REPLACEABLE"
><I
>keyfile</I
></TT
></DT
><DD
><P
> Used with the <B
CLASS="COMMAND"
>-a</B
> option to specify
an alternate location for <TT
CLASS="FILENAME"
>rndc.key</TT
>.
</P
></DD
><DT
>-h</DT
><DD
><P
> Prints a short summary of the options and arguments to
<B
CLASS="COMMAND"
>rndc-confgen</B
>.
</P
></DD
><DT
>-k <TT
CLASS="REPLACEABLE"
><I
>keyname</I
></TT
></DT
><DD
><P
> Specifies the key name of the rndc authentication key.
This must be a valid domain name.
The default is <CODE
CLASS="CONSTANT"
>rndc-key</CODE
>.
</P
></DD
><DT
>-p <TT
CLASS="REPLACEABLE"
><I
>port</I
></TT
></DT
><DD
><P
> Specifies the command channel port where <B
CLASS="COMMAND"
>named</B
>
listens for connections from <B
CLASS="COMMAND"
>rndc</B
>.
The default is 953.
</P
></DD
><DT
>-r <TT
CLASS="REPLACEABLE"
><I
>randomfile</I
></TT
></DT
><DD
><P
> Specifies a source of random data for generating the
authorization. If the operating
system does not provide a <TT
CLASS="FILENAME"
>/dev/random</TT
>
or equivalent device, the default source of randomness
is keyboard input. <TT
CLASS="FILENAME"
>randomdev</TT
> specifies
the name of a character device or file containing random
data to be used instead of the default. The special value
<TT
CLASS="FILENAME"
>keyboard</TT
> indicates that keyboard
input should be used.
</P
></DD
><DT
>-s <TT
CLASS="REPLACEABLE"
><I
>address</I
></TT
></DT
><DD
><P
> Specifies the IP address where <B
CLASS="COMMAND"
>named</B
>
listens for command channel connections from
<B
CLASS="COMMAND"
>rndc</B
>. The default is the loopback
address 127.0.0.1.
</P
></DD
><DT
>-t <TT
CLASS="REPLACEABLE"
><I
>chrootdir</I
></TT
></DT
><DD
><P
> Used with the <B
CLASS="COMMAND"
>-a</B
> option to specify
a directory where <B
CLASS="COMMAND"
>named</B
> will run
chrooted. An additional copy of the <TT
CLASS="FILENAME"
>rndc.key</TT
>
will be written relative to this directory so that
it will be found by the chrooted <B
CLASS="COMMAND"
>named</B
>.
</P
></DD
><DT
>-u <TT
CLASS="REPLACEABLE"
><I
>user</I
></TT
></DT
><DD
><P
> Used with the <B
CLASS="COMMAND"
>-a</B
> option to set the owner
of the <TT
CLASS="FILENAME"
>rndc.key</TT
> file generated. If
<B
CLASS="COMMAND"
>-t</B
> is also specified only the file in
the chroot area has its owner changed.
</P
></DD
></DL
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN147"
></A
><H2
>EXAMPLES</H2
><P
> To allow <B
CLASS="COMMAND"
>rndc</B
> to be used with
no manual configuration, run
</P
><P
> <KBD
CLASS="USERINPUT"
>rndc-confgen -a</KBD
>
</P
><P
> To print a sample <TT
CLASS="FILENAME"
>rndc.conf</TT
> file and
corresponding <B
CLASS="COMMAND"
>controls</B
> and <B
CLASS="COMMAND"
>key</B
>
statements to be manually inserted into <TT
CLASS="FILENAME"
>named.conf</TT
>,
run
</P
><P
> <KBD
CLASS="USERINPUT"
>rndc-confgen</KBD
>
</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN160"
></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
>,
<I
CLASS="CITETITLE"
>BIND 9 Administrator Reference Manual</I
>.
</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN173"
></A
><H2
>AUTHOR</H2
><P
> Internet Systems Consortium
</P
></DIV
></BODY
></HTML
>