716 lines
16 KiB
Groff
716 lines
16 KiB
Groff
.\" $NetBSD: rc.conf.5,v 1.26 1999/09/28 14:52:33 bouyer Exp $
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.\"
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.\" Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
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.\" by Luke Mewburn.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by Luke Mewburn.
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.\" 4. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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.\" OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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.\" ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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.\" TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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.\" USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.\" Copyright (c) 1996 Matthew R. Green
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.\" Copyright (c) 1997 Curt J. Sampson
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.\" Copyright (c) 1997 Michael W. Long
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.Dd February 15, 1999
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.Dt RC.CONF 5
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.Os
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.\" turn off hyphenation
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.hym 999
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.Sh NAME
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.Nm rc.conf
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.Nd system startup configuration file
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.Sh DESCRIPTION
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The
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.Nm
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file specifies which services are enabled during system startup by
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the startup script
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.Pa /etc/rc .
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The
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.Nm
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file is a shell script that is sourced by
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.Pa /etc/rc
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if it exists, meaning that
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.Nm
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must contain valid shell commands.
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.Pp
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Listed below are the
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.Nm
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variables that may be set, the values to which each may be set,
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a brief description of what each variable does, and a reference to
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relevant manual pages.
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.Pp
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Most variables are one of two types: enabling variables or flags
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variables.
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Enabling variables, such as
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.Sy inetd ,
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are generally named after the program or the system they enable,
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and are set to "YES" or "NO".
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Flags variables, such as
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.Sy inetd_flags
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have the same name with "_flags" appended, and determine what
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arguments are passed to the program if it is enabled.
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.Pp
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If a variable that
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.Pa /etc/rc
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expects to be set is not set, or the value is not one of the allowed
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values, a warning will be printed.
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.Pp
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.Ss Basic network configuration:
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.Bl -tag -width net_interfaces
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.It Sy hostname
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Name of host.
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If empty or not set, then the contents of
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.Pa /etc/myname
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(if it exists) are used.
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.It Sy domainname
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.Tn NIS
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(YP) domain of host.
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If empty or not set, then the contents of
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.Pa /etc/defaultdomain
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(if it exists) are used.
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.It Sy defaultroute
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Default network route.
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If empty or not set, then the contents of
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.Pa /etc/mygate
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(if it exists) are used.
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.El
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.Pp
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.Ss Boottime file-system and swap configuration:
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.Bl -tag -width critfs_require_network
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.It Sy critical_filesystems
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File systems mounted very early in the system boot, except for the
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.Pa /usr
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and
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.Pa /var
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file-systems.
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.It Sy critfs_require_network
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YES or NO.
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Set the
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.Sy critfs_require_network
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variable to YES if the network must be configured before critical filesystems
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can be mounted. This should be set to NO if you are using the DHCP client,
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because the DHCP client needs to store its lease database in the
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.Pa /var/db
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directory.
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.It Sy no_swap
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Set the
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.Sy no_swap
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variable to YES if you have configured your system with no swap on purpose.
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If not set, or set to anything other than YES, and no swap devices
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are configured, the system will warn you.
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.El
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.Pp
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.Ss One-time actions to perform or programs to run on boot-up:
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.Bl -tag -width net_interfaces
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.It Sy lkm
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YES or NO.
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Runs
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.Pa /etc/rc.lkm .
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.It Sy savecore
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YES or NO.
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Runs the
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.Xr savecore 8
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utility.
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Passes
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.Sy savecore_flags .
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.It Sy update_motd
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YES or NO.
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Updates the
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.Nx
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version string in the
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.Pa /etc/motd
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file to reflect the version of the running kernel.
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See
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.Xr motd 5 .
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.It Sy defcorename
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A string.
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This sets the default core name template, from which are derived core dump
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files names. The template can include format charaters which are dynamically
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interpreted. See
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.Xr core 5
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for details of the format.
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If set to nothing, the default compiled-in value is keept (see
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.Xr options 4 ,
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.Xr sysctl 3
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).
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.El
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.Pp
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.Ss System security setting:
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.Bl -tag -width securelevel
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.It Sy securelevel
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A number. The system securelevel is set to the specified value early
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in the boot process, before any external logins, or other programs
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that run users job, are started. If set to nothing, the default
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action is taken, as described
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.Xr init 8 ,
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which contains definative information about the system securelevel.
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.El
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.Pp
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.Ss Networking startup:
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.Bl -tag -width net_interfaces
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.It Sy ipfilter
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YES or NO.
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Runs
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.Xr ipf 8
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to load in packet filter specifications from
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.Pa /etc/ipf.conf
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at network boot time, before any interfaces are configured.
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See
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.Xr ipf 5 .
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.It Sy auto_ifconfig
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YES or NO.
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Sets the
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.Sy net_interfaces
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variable (see below) to the output of
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.Xr ifconfig 8
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with the
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.Ar -l
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flag and suppresses warnings about interfaces in this list that
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do not have an ifconfig file or variable.
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.It Sy net_interfaces
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The list of network interfaces to be configured at boot time.
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For each interface "xxn", the system first looks for ifconfig
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parameters in
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.Pa /etc/ifconfig.xxn
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and then in the variable
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.Sy ifconfig_xxn .
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The contents of the file or the variable are handed to ifconfig
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after the interface name.
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If
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.Sy auto_ifconfig
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is set to "NO" and neither the file nor the variable is found,
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a warning is printed.
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.It Sy ifaliases_*
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List of
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.Sq Ar "address netmask"
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pairs to configure additional network addresses for the given
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configured interface
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.Dq *
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(e.g.
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.Sy ifaliases_le0 ) .
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If
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.Ar netmask
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is
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.Dq - ,
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then use the default netmask for the interface.
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.It Sy flushroutes
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YES or NO.
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Flushes the route table on networking startup.
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Useful when coming up to multiuser mode after going down to
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single-user mode.
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.It Sy dhclient
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YES or NO.
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Set to YES to configure some or all network interfaces using
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the DHCP client. If you set
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.Sy dhclient
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to YES, you must either set
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.Sy critfs_require_network
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to NO or direct the DHCP client to store the leases file on the root
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filesystem by modifying the
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.Sy dhclient_flags
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variable. You must not provide ifconfig information or ifaliases
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information for any interface that is to be configured using the DHCP
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client. Interface aliases can be set up in the DHCP client configuration
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file if needed - see
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.Xr dhclient.conf 5
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for details.
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.It Sy dhclient_flags
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Flags to pass to the DHCP client. See
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.Xr dhclient 8
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for complete documentation. If you wish to configure all broadcast
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network interfaces using the DHCP client, you can leave this blank.
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To configure only specific interfaces, name the interfaces to be configured
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on the command line.
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.Pp
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If you must run the DHCP client before mounting critical filesystems,
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then you should specify an alternate location for the DHCP client's lease
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file in the
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.Sy dhclient_flags
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variable - for example, "-lf /tmp/dhclient.leases".
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.It Sy ntpdate
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YES or NO.
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Runs
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.Xr ntpdate 8
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to set the system time from one of the hosts in
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.Sy ntpdate_hosts .
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If
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.Sy ntpdate_hosts
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is empty, it will attempt to find a list of hosts in
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.Pa /etc/ntp.conf .
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.It Sy ppp_peers
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If
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.Sy ppp_peers
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is not empty, then
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.Pa /etc/netstart
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will check each word in
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.Sy ppp_peers
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for a coresponding ppp configuration file in
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.Pa /etc/ppp/peers
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and will call
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.Xr pppd 8
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with the
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.Dq call Sy peer
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option.
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.It Sy ip6forwarding
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YES or NO.
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An IPv6 node can be a router
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.Pq nodes that forward packet for others
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or host
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.Pq nodes that do not forward .
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By setting
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.Sy ip6forwarding
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to YES, the node will become an IPv6 router.
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Note that this is orthogonal to IPv4 forwarding/routing.
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.It Sy rtsol
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YES or NO.
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Run
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.Xr rtsol 8 ,
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router solicitation command for IPv6 host.
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By setting this option to YES, your host will be autoconfigured
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based on the information advertised by adjacent IPv6 router.
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On nomadic host like notebook computers, you may want to enable
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.Sy rtsold
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as well.
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Passes
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.Sy rtsol_flags .
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This is only for IPv6 host, so set
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.Sy ip6forwarding
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to NO if you use
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.Sy rtsol .
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.El
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.Pp
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.Ss Daemons required by other daemons:
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.Bl -tag -width net_interfaces
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.It Sy inetd
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YES or NO.
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Runs the
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.Xr inetd 8
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daemon to start network server processes (as listed in
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.Pa /etc/inetd.conf )
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as necessary.
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Passes
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.Sy inetd_flags .
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The
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.Ar -l
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flag turns on libwrap connection logging.
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.It Sy portmap
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YES or NO.
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The
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.Xr portmap 8
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daemon is required for any
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.Xr rpc 3
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services.
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These include NFS,
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.Tn NIS ,
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.Xr bootparamd 8 ,
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.Xr rstatd 8 ,
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.Xr rusersd 8 ,
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and
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.Xr rwalld 8 .
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.El
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.Pp
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.Ss Commonly used daemons:
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.Bl -tag -width net_interfaces
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.It Sy update
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YES or NO.
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Runs
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.Xr update 8
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and passes
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.Sy update_flags .
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.It Sy syslogd
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YES or NO.
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Runs
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.Xr syslogd 8
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and passes
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.Sy syslogd_flags .
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.It Sy named
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YES or NO.
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Runs
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.Xr named 8
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and passes
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.Sy named_flags .
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.It Sy timed
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YES or NO.
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Runs
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.Xr timed 8
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and passes
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.Sy timed_flags .
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The
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.Ar -M
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option allows
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.Xr timed 8
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to be a master time source as well as a slave.
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If you are also running
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.Xr xntpd 8 ,
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only one machine running both should have the
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.Ar -M
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flag given to
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.Xr timed 8 .
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.It Sy xntpd
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YES or NO.
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Runs
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.Xr xntpd 8
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and passes
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.Sy xntpd_flags .
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.It Sy sendmail
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YES or NO.
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Runs
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.Xr sendmail 8
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and passes
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.Sy sendmail_flags .
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.It Sy lpd
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YES or NO.
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Runs
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.Xr lpd 8
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and passes
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.Sy lpd_flags .
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The
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.Ar -l
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flag will turn on extra logging.
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.El
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.Pp
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.Ss Routing daemons:
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.Bl -tag -width net_interfaces
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.It Sy routed
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YES or NO.
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Runs
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.Xr routed 8 ,
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the RIP routing protocol daemon.
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Passes
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.Sy routed_flags .
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This should be NO if
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.Sy gated
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is YES.
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.It Sy gated
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YES or NO.
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Runs
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.Xr gated 8 ,
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the multiprotocol routing daemon.
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Passes
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.Sy gated_flags .
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This should be NO if
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.Sy routed
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is YES.
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.Xr gated 8
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is not included with
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.Nx .
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.It Sy mrouted
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YES or NO.
|
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Runs
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.Xr mrouted 8 ,
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the DVMRP multicast routing protocol daemon.
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Passes
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.Sy mrouted_flags .
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.It Sy route6d
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YES or NO.
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Runs
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.Xr route6d 8 ,
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the RIPng routing protocol daemon for IPv6.
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Passes
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.Sy route6d_flags .
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.It Sy rtsold
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YES or NO.
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Runs
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.Xr rtsold 8 ,
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the IPv6 router solicitation daemon.
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.Xr rtsold 8
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periodically transmits router solicitation packet
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to find IPv6 router on the network.
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This configuration is mainly for nomadic host like notebook computers.
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Stationary host should work fine with
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.Sy rtsol
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only.
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Passes
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.Sy rtsold_flags .
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This is only for IPv6 host, so set
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.Sy ip6forwarding
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to NO if you use it.
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.El
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.Pp
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.Ss Daemons used to boot other hosts over a network:
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.Bl -tag -width net_interfaces
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.It Sy rarpd
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YES or NO.
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Runs
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.Xr rarpd 8 ,
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the reverse ARP daemon, often used to boot
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.Nx
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and Sun workstations.
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Passes
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.Sy rarpd_flags .
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.It Sy bootparamd
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YES or NO.
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Runs
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.Xr bootparamd 8 ,
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the boot parameter server, with
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.Sy bootparamd_flags
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|
as options.
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|
Used to boot
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.Nx
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and
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.Tn "SunOS 4.x"
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systems.
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.It Sy dhcpd
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|
YES or NO.
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Runs
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.Xr dhcpd 8 ,
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the Dynamic Host Configuration Protocol (DHCP) daemon,
|
|
for assigning IP addresses to hosts and passing boot information.
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Passes
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.Sy dhcpd_flags .
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.It Sy rbootd
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YES or NO.
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Runs
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.Xr rbootd 8 ,
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the
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.Tn HP
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boot protocol daemon; used for booting
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.Tn HP
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workstations.
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Passes
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.Sy rbootd_flags .
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.It Sy mopd
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YES or NO.
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Runs
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.Xr mopd 8 ,
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the
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.Tn DEC
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.Tn MOP
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protocol daemon; used for booting
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.Tn VAX
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and other
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.Tn DEC
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machines.
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Passes
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.Sy mopd_flags .
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.It Sy rtadvd
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|
YES or NO.
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Runs
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.Xr rtadvd 8 ,
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the IPv6 router advertisement daemon, which is used to advertise
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information about the subnet to IPv6 end hosts.
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|
Passes
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.Sy rtadvd_flags .
|
|
This is only for IPv6 router, so set
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.Sy ip6forwarding
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to YES if you use it.
|
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.El
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.Pp
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|
.Ss NIS (YP) daemons:
|
|
.Bl -tag -width net_interfaces
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|
.It Sy ypbind
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|
YES or NO.
|
|
Runs
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.Xr ypbind 8 ,
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|
which lets
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.Tn NIS
|
|
(YP) clients use information from a
|
|
.Tn NIS
|
|
server.
|
|
Passes
|
|
.Sy ypbind_flags .
|
|
.It Sy ypserv
|
|
YES or NO.
|
|
Runs
|
|
.Xr ypserv 8 ,
|
|
the
|
|
.Tn NIS
|
|
(YP) server for distributing information from certain files in
|
|
.Pa /etc .
|
|
Passes
|
|
.Sy ypserv_flags .
|
|
The
|
|
.Ar -d
|
|
flag causes it to use DNS for lookups in
|
|
.Pa /etc/hosts
|
|
that fail.
|
|
.It Sy yppasswdd
|
|
YES or NO.
|
|
Runs
|
|
.Xr yppasswdd 8 ,
|
|
which allows remote
|
|
.Tn NIS
|
|
users to update password on master server.
|
|
Passes
|
|
.Sy yppasswdd_flags .
|
|
.El
|
|
.Pp
|
|
.Ss NFS daemons and parameters:
|
|
.Bl -tag -width net_interfaces
|
|
.It Sy nfs_client
|
|
YES or NO.
|
|
Runs
|
|
.Xr nfsiod 8
|
|
to increase performance of an NFS client host.
|
|
Passes
|
|
.Sy nfsiod_flags .
|
|
.It Sy nfs_server
|
|
YES or NO.
|
|
Sets up a host to be a NFS server by running
|
|
.Xr mountd 8
|
|
and
|
|
.Xr nfsd 8 ,
|
|
and passing
|
|
.Sy mountd_flags
|
|
and
|
|
.Sy nfsd_flags
|
|
to them, respectively.
|
|
.It Sy lockd
|
|
YES or NO.
|
|
Runs
|
|
.Xr rpc.lockd 8
|
|
if either
|
|
.Sy nfs_server
|
|
or
|
|
.Sy nfs_client
|
|
is (or both are) set to YES.
|
|
Passes
|
|
.Sy lockd_flags .
|
|
.It Sy statd
|
|
YES or NO.
|
|
Runs
|
|
.Xr rpc.statd 8 ,
|
|
a status monitoring daemon used when
|
|
.Xr rpc.lockd 8
|
|
is running, if either
|
|
.Sy nfs_server
|
|
or
|
|
.Sy nfs_client
|
|
is (or both are) set to YES.
|
|
Passes
|
|
.Sy statd_flags .
|
|
.It Sy amd
|
|
YES or NO.
|
|
Runs
|
|
.Xr amd 8 ,
|
|
the automounter daemon, which automatically mounts NFS file systems
|
|
whenever a file or directory within that filesystem is accessed.
|
|
Passes
|
|
.Sy amd_flags .
|
|
.It Sy amd_dir
|
|
The
|
|
.Xr amd 8
|
|
mount directory.
|
|
Used only if
|
|
.Sy amd
|
|
is set to YES.
|
|
.It Sy amd_master
|
|
The
|
|
.Xr amd 8
|
|
automounter master map.
|
|
Used only if
|
|
.Sy amd
|
|
is set to YES.
|
|
.El
|
|
.Pp
|
|
.Ss X Window System daemons:
|
|
.Bl -tag -width net_interfaces
|
|
.It Sy xfs
|
|
YES or NO.
|
|
Runs the
|
|
.Xr xfs 1
|
|
X11 font server, which supplies local X font files to X terminals.
|
|
.It Sy xdm
|
|
YES or NO.
|
|
Runs the
|
|
.Xr xdm 1
|
|
X display manager.
|
|
These X daemons are available only with the optional X distribution of
|
|
.Nx .
|
|
.El
|
|
.Pp
|
|
.Ss Other daemons:
|
|
.Bl -tag -width net_interfaces
|
|
.It Sy apmd
|
|
YES or NO.
|
|
Runs
|
|
.Xr apmd 8
|
|
and passes
|
|
.Sy apmd_flags .
|
|
.It Sy rwhod
|
|
YES or NO.
|
|
Runs
|
|
.Xr rwhod 8
|
|
to support the
|
|
.Xr rwho 1
|
|
and
|
|
.Xr ruptime 1
|
|
commands.
|
|
.It Sy kerberos
|
|
YES or NO.
|
|
Runs the kerberos server
|
|
.Xr kerberos 8
|
|
and the kerberos admininstration server,
|
|
.Xr kadmind 8 .
|
|
This should only be run on the kerberos master server.
|
|
Both servers implement version IV of the Kerberos protocol, not the
|
|
newer Kerberos version 5.
|
|
The kerberos server is only available with the USA distribution of
|
|
.Nx .
|
|
.It Sy screenblank
|
|
YES or NO.
|
|
Runs
|
|
.Xr screenblank 1
|
|
and passes
|
|
.Sy screenblank_flags .
|
|
.El
|
|
.Sh FILES
|
|
.Pa /etc/rc.conf
|
|
.Sh SEE ALSO
|
|
.Xr boot 8 ,
|
|
.Xr rc 8
|
|
.Sh HISTORY
|
|
The
|
|
.Nm
|
|
file appeared in
|
|
.Nx 1.3 .
|