.\" Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC")
.\" Copyright (C) 2001, 2003 Internet Software Consortium.
.\" 
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.\" PERFORMANCE OF THIS SOFTWARE.
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.\" $Id$
.\"
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.TH "RNDC\-CONFGEN" "1m" "Aug 27, 2001" "SunOS 5.10" "Maintenance Commands"
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.SH "NAME"
rndc\-confgen \- rndc key generation tool
.SH "SYNOPSIS"
.HP 13
\fBrndc\-confgen\fR [\fB\-a\fR] [\fB\-b\ \fR\fB\fIkeysize\fR\fR] [\fB\-c\ \fR\fB\fIkeyfile\fR\fR] [\fB\-h\fR] [\fB\-k\ \fR\fB\fIkeyname\fR\fR] [\fB\-p\ \fR\fB\fIport\fR\fR] [\fB\-r\ \fR\fB\fIrandomfile\fR\fR] [\fB\-s\ \fR\fB\fIaddress\fR\fR] [\fB\-t\ \fR\fB\fIchrootdir\fR\fR] [\fB\-u\ \fR\fB\fIuser\fR\fR]
.SH "DESCRIPTION"
.PP
\fBrndc\-confgen\fR
generates configuration files for
\fBrndc\fR. It can be used as a convenient alternative to writing the
\fIrndc.conf\fR
file and the corresponding
\fBcontrols\fR
and
\fBkey\fR
statements in
\fInamed.conf\fR
by hand. Alternatively, it can be run with the
\fB\-a\fR
option to set up a
\fIrndc.key\fR
file and avoid the need for a
\fIrndc.conf\fR
file and a
\fBcontrols\fR
statement altogether.
.SH "OPTIONS"
.TP
\-a
Do automatic
\fBrndc\fR
configuration. This creates a file
\fIrndc.key\fR
in
\fI/etc\fR
(or whatever
\fIsysconfdir\fR
was specified as when
BIND
was built) that is read by both
\fBrndc\fR
and
\fBnamed\fR
on startup. The
\fIrndc.key\fR
file defines a default command channel and authentication key allowing
\fBrndc\fR
to communicate with
\fBnamed\fR
on the local host with no further configuration.
.sp
Running
\fBrndc\-confgen \-a\fR
allows BIND 9 and
\fBrndc\fR
to be used as drop\-in replacements for BIND 8 and
\fBndc\fR, with no changes to the existing BIND 8
\fInamed.conf\fR
file.
.sp
If a more elaborate configuration than that generated by
\fBrndc\-confgen \-a\fR
is required, for example if rndc is to be used remotely, you should run
\fBrndc\-confgen\fR
without the
\fB\-a\fR
option and set up a
\fIrndc.conf\fR
and
\fInamed.conf\fR
as directed.
.TP
\-b \fIkeysize\fR
Specifies the size of the authentication key in bits. Must be between 1 and 512 bits; the default is 128.
.TP
\-c \fIkeyfile\fR
Used with the
\fB\-a\fR
option to specify an alternate location for
\fIrndc.key\fR.
.TP
\-h
Prints a short summary of the options and arguments to
\fBrndc\-confgen\fR.
.TP
\-k \fIkeyname\fR
Specifies the key name of the rndc authentication key. This must be a valid domain name. The default is
\fBrndc\-key\fR.
.TP
\-p \fIport\fR
Specifies the command channel port where
\fBnamed\fR
listens for connections from
\fBrndc\fR. The default is 953.
.TP
\-r \fIrandomfile\fR
Specifies a source of random data for generating the authorization. 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.
.TP
\-s \fIaddress\fR
Specifies the IP address where
\fBnamed\fR
listens for command channel connections from
\fBrndc\fR. The default is the loopback address 127.0.0.1.
.TP
\-t \fIchrootdir\fR
Used with the
\fB\-a\fR
option to specify a directory where
\fBnamed\fR
will run chrooted. An additional copy of the
\fIrndc.key\fR
will be written relative to this directory so that it will be found by the chrooted
\fBnamed\fR.
.TP
\-u \fIuser\fR
Used with the
\fB\-a\fR
option to set the owner of the
\fIrndc.key\fR
file generated. If
\fB\-t\fR
is also specified only the file in the chroot area has its owner changed.
.SH "EXAMPLES"
.PP
To allow
\fBrndc\fR
to be used with no manual configuration, run
.PP
\fBrndc\-confgen \-a\fR
.PP
To print a sample
\fIrndc.conf\fR
file and corresponding
\fBcontrols\fR
and
\fBkey\fR
statements to be manually inserted into
\fInamed.conf\fR, run
.PP
\fBrndc\-confgen\fR
.SH "SEE ALSO"
.PP
\fBrndc\fR(1m),
\fBrndc.conf\fR(4),
\fBnamed\fR(1m),
BIND 9 Administrator Reference Manual.
.SH "AUTHOR"
.PP
Internet Systems Consortium