freebsd-dev/share/man/man5/rc.conf.5

.\" Copyright (c) 1995
.\"	Jordan K. Hubbard
.\"
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.\"     $Id: rc.conf.5,v 1.36 1999/07/16 09:22:01 jkh Exp $
.\"
.Dd April 26, 1997
.Dt RC.CONF 5
.Os FreeBSD 2.2.2
.Sh NAME
.Nm rc.conf
.Nd system configuration information.
.Sh DESCRIPTION
The file
.Nm rc.conf
contains descriptive information about the local host name, configuration
details for any potential network interfaces and which services should be
started up at system initial boot time.  In new installations, the
.Nm rc.conf
file is generally initialized by the system installation utility:
.Pa /stand/sysinstall .
.Pp
The purpose of
.Nm rc.conf
is not to run commands or perform system startup actions
directly.  Instead, it is included by the
various generic startup scripts in
.Pa /etc
which conditionalize their
internal actions according to the settings found there.
.Pp
The
.Pa /etc/rc.conf
file is included from the file
.Pa /etc/defaults/rc.conf ,
which specifies the default settings for all the available options. Options
need only be specified in 
.Pa /etc/rc.conf
when the system administrator wishes to override these defaults. The file
.Pa /etc/rc.conf.local
is used to override settings in
.Pa /etc/rc.conf
for historical reasons. See the
.Dq rc_conf_files
option below.
.Pp
The following list provides a name and short description for each
variable you can set in the
.Nm
file:
.Bl -tag -width Ar
.It Ar swapfile
(str) If set to
.Ar NO
then no swapfile is installed, otherwise the value is used as the full
pathname to a file to use for additional swap space.
.It Ar apm_enable
(bool) If set to
.Ar YES ,
enable support for Automatic Power Management with
the
.Xr apm 8
command.
.It Ar pccard_enable
(bool) If set to
.Ar YES ,
enable PCCARD support at boot time.
.It Ar pccard_mem
(str) Set to PCCARD controller memory address or
.Ar DEFAULT
for the default value.
.It Ar pccard_ifconfig
(str) List of arguments to be passed to ifconfig(8) at boot time or on
insertion of of the card (e.g. "inet 192.168.1.1 netmask 255.255.255.0"
for a fixed address or "DHCP" for a DHCP client).
.It Ar pccard_conf
(str) Path to the configuration file for the
.Xr pccardd 8
daemon (e.g. 
.Ar /etc/pccard.conf.sample ) .
.It Ar pccardd_flags
(str) If 
.Ar pccard_enable 
is set to 
.Ar YES , 
these are the flags to pass to the 
.Xr pccardd 8
daemon.
.It Ar local_startup
(str) List of directories to search for startup script files.
.It Ar local_periodic
(str) List of directories to search for periodic scripts (3.0 only).
.It Ar hostname
(str) The Fully Qualified Domain Name of your host on the network.
This should almost certainly be set to something meaningful, even if
you've no network connected.
.It Ar nisdomainname
(str) The NIS domainname of your host, or
.Ar NO
if you're not running NIS.
.It Ar dhcp_program
(str) Path to the DHCP client progam (/sbin/dhclient, the ISC DHCP client,
is the default).
.It Ar dhcp_flags
(str) Additional flags to pass to the DHCP client program.
.It Ar firewall_enable
(bool) Set to
.Ar NO
if you don't want have firewall rules loaded at startup, or 
.Ar YES 
if you do.
If set to
.Ar YES ,
and the kernel was not built with IPFIREWALL, the ipfw
kernel module will be loaded.
.It Ar firewall_type
(str) Names the firewall type from the selection in 
.Pa /etc/rc.firewall ,
or the file which contains the local firewall ruleset.  Valid selections
from 
.Pa /etc/rc.firewall ,
are ``open'' - unrestricted IP access; ``closed'' - all IP services disabled,
except via lo0; ``client'' - basic protection for a workstation; ``simple'' -
basic protection for a LAN.  If a filename is specified, the full path 
must be given.
.It Ar firewall_quiet
(bool) Set to 
.Ar YES
to disable the display of ipfw rules on the console during boot.
.It Ar natd_program
(str) path to
.Xr natd 8 .
.It Ar natd_enable
(bool) Set to
.Ar YES
to enable natd.
.Ar Firewall_enable
must also be set to
.Ar YES ,
and
.Xr divert 4
sockets must be enabled in your kernel.
.It Ar natd_interface
This is the name of the public interface on which natd should run.  It
is mandatory if
.Ar natd_enable
is set to
.Ar YES .
The interface may be given as an interface name or as an IP address.
.It Ar natd_flags
Additional natd flags should be placed here.  The
.Fl n
or
.Fl a
flag is automatically added with the above
.Ar natd_interface
as an argument.
.It Ar tcp_extensions
(bool) Set to
.Ar NO
by default. Setting this to YES enables certain TCP options as described by
Internet RFCs 1323 and 1644.  If you have problems with connections
randomly hanging or other weird behavior of such nature, you might
try setting this back to
.Ar NO
and seeing if that helps.  Some hardware/software out there is known
to be broken with respect to these options.
.It Ar network_interfaces
(str) Set to the list of network interfaces to configure on this host.
For example, if you had a loopback device (standard) and an SMC Elite
Ultra NIC, you might have this set to
.Qq Ar "lo0 ed0"
for the two interfaces.  An 
.No ifconfig_ Ns Em interface
variable is also assumed to exist for each value of 
.Em interface .
It is also possible to add IP alias entries here in cases where you
want a single interface to have multiple IP addresses registered against
it.
Assuming that the interface in question was ed0, it might look
something like this:
.Bd -literal
ifconfig_ed0_alias0="inet 127.0.0.253 netmask 0xffffffff" 
ifconfig_ed0_alias1="inet 127.0.0.254 netmask 0xffffffff"

.Ed
And so on.  For each ifconfig_<interface>_alias<n> entry that is
found, its contents are passed to
.Xr ifconfig 8 .
Execution stops at the first unsuccessful access, so if you
had something like:
.Bd -literal
ifconfig_ed0_alias0="inet 127.0.0.251 netmask 0xffffffff"
ifconfig_ed0_alias1="inet 127.0.0.252 netmask 0xffffffff"
ifconfig_ed0_alias2="inet 127.0.0.253 netmask 0xffffffff"
ifconfig_ed0_alias4="inet 127.0.0.254 netmask 0xffffffff"

.Ed
Then note that alias4 would \fBnot\fR be added since the search would
stop with the missing alias3 entry.
.It Ar ppp_enable
(bool) If set to
.Ar YES ,
run the
.Xr ppp 8
daemon.
.It Ar ppp_mode
(str) Mode in which to run the
.Xr ppp 8
daemon.  Accepted modes are
.Ar auto , ddial , direct
and
.Ar dedicated .
See the manual for a full description.
.It Ar ppp_alias
(bool) If set to
.Ar YES ,
enables packet aliasing. Used in conjunction with
.Ar gateway_enable
allows hosts on private network addresses access to the Internet using
this host as a network address translating router.
.It Ar ppp_profile
(str) The name of the profile to use from
.Ar /etc/ppp/ppp.conf .
.It Ar rc_conf_files
(str) This option is used to specify a list of files that will override
the settings in
.Pa /etc/defaults/rc.conf .
The files will be read in the order in which they are specified and should
include the full path to the file. By default, the files specified are
.Pa /etc/rc.conf
and
.Pa /etc/rc.conf.local
.It Ar syslogd_enable
(bool) If set to
.Ar YES ,
run the
.Xr syslogd 8
daemon.
.It Ar syslogd_flags
(str) if syslogd_enable is set to
.Ar YES ,
these are the flags to pass to
.Xr syslogd 8 .
.It Ar inetd_enable
(bool) If set to
.Ar YES ,
run the
.Xr inetd 8
daemon.
.It Ar inetd_flags
(str) if inetd_enable is set to
.Ar YES ,
these are the flags to pass to
.Xr inetd 8 .
.It Ar named_enable
(bool) If set to
.Ar YES ,
run the
.Xr named 8
daemon.
.It Ar named_program
(str) path to
.Xr named 8
(default
.Pa /usr/sbin/named ) .
.It Ar named_flags
(str) if
.Ar named_enable
is set to
.Ar YES ,
these are the flags to pass to
.Xr named 8 .
.It Ar kerberos_server_enable
(bool) Set to
.Ar YES
if you want to run a Kerberos authentication server
at boot time.
.It Ar kadmind_server_enable
.Ar YES
if you want to run
.Xr kadmind 8
the Kerberos Administration Daemon); set to
.Ar NO
on a slave server.
.It Ar kerberos_stash
(str)
If
.Ar YES ,
instruct the Kerberos servers to use the stashed master key instead of
prompting for it (only if
.Ar kerberos_server_enable
is set to
.Ar YES ,
and is used for both
.Xr kerberos 1
and
.Xr kadmind 8 ).
.It Ar rwhod_enable
(bool) If set to
.Ar YES ,
run the
.Xr rwhod 8
daemon at boot time.
.It Ar rwhod_flags
(str) If
.Ar rwhod_enable
is set to
.Ar YES ,
these are the flags to pass to it.
.It Ar amd_enable
(bool) If set to
.Ar YES ,
run the
.Xr amd 8
daemon at boot time.
.It Ar amd_flags
(str) If
.Ar amd_enable
is set to
.Ar YES ,
these are the flags to pass to it.  Use the \fBinfo amd\fR
command for more information.
.It Ar update_motd
(bool) If set to 
.Ar YES ,
.Nm /etc/motd
will be updated at boot time to reflect the kernel release
bring run.  If set to
.Ar NO ,
.Nm
will not be updated
.It Ar nfs_client_enable
(bool) If set to
.Ar YES ,
run the NFS client daemons at boot time.
.It Ar nfs_client_flags
(str) If
.Ar nfs_client_enable
is set to
.Ar YES ,
these are the flags to pass to the
.Xr nfsiod 8
daemon.
.It Ar nfs_access_cache
if
.Ar nfs_client_enable
is set to 
.Ar YES ,
this can be set to
.Ar 0
to disable NFS ACCESS RPC caching, or to the number of seconds for which NFS ACCESS
results should be cached.  A value of 2-10 seconds will substantially reduce network
traffic for many NFS operations.
.It Ar nfs_server_enable
(bool) If set to
.Ar YES ,
run the NFS server daemons at boot time.
.It Ar nfs_server_flags
(str) If
.Ar nfs_server_enable
is set to
.Ar YES ,
these are the flags to pass to the
.Xr nfsd 8
daemon.
.It Ar weak_mountd_authentication
(bool) If set to
.Ar YES ,
allow services like \fBPCNFSD\fR to make non-privileged mount
requests.
.It Ar nfs_reserved_port_only
(bool) If set to
.Ar YES ,
provide NFS services only on a secure port.
.It Ar rcp_lockd_enable
(bool) If set to
.Ar YES
and also an NFS server, run
.Xr rpc.lockd 8
at boot time.
.It Ar rcp_statd_enable
(bool) If set to
.Ar YES
and also an NFS server, run
.Xr rpc.statd 8
at boot time.
.It Ar portmap_program
(str) path to
.Xr portmap 8
(default
.Pa /usr/sbin/portmap ) .
.It Ar portmap_enable
(bool) If set to
.Ar YES ,
run the
.Xr portmap 8
service at boot time.
.It Ar portmap_flags
(str) If
.Ar portmap_enable
is set to
.Ar YES ,
these are the flags to pass to the
.Xr portmap 8
daemon.
.It Ar xtend_enable
(bool) If set to
.Ar YES
then run the
.Xr xtend 8 
daemon at boot time.
.It Ar xtend_flags
(str) If
.Ar xtend_enable
is set to
.Ar YES ,
these are the flags to pass to the
.Xr xtend 8
daemon.
.It Ar timed_enable
(boot) if
.Ar YES
then run the
.Xr timed 8
service at boot time.  This command is intended for networks of
machines where a consistent
.Qq "network time"
for all hosts must be established.  This is often useful in large NFS
environments where time stamps on files are expected to be consistent
network-wide.
.It Ar timed_flags
(str) If
.Ar timed_enable
is set to
.Ar YES ,
these are the flags to pass to the
.Xr timed 8
service.
.It Ar ntpdate_enable
(bool) If set to
.Ar YES ,
run ntpdate at system startup.  This command is intended to
synchronize the system clock only
.Ar once
from some standard reference.  An option to set this up initially
(from a list of known servers) is also provided by the
.Pa /stand/sysinstall
program when the system is first installed.
.It Ar ntpdate_program
(str) path to
.Xr ntpdate 8
(default
.Pa /usr/sbin/ntpdate ) .
.It Ar ntpdate_flags
(str) If
.Ar ntpdate_enable
is set to
.Ar YES ,
these are the flags to pass to the
.Xr ntpdate 8
command (typically a hostname).
.It Ar xntpd_enable
(bool) If set to
.Ar YES
then run the
.Xr xntpd 8
command at boot time.
.It Ar xntpd_program
(str) path to
.Xr xntpd 8
(default
.Pa /usr/sbin/xntpd ) .
.It Ar xntpd_flags
(str) If
.Ar xntpd_enable
is set to
.Ar YES ,
these are the flags to pass to the
.Xr xntpd 8
daemon.
.It Ar nis_client_enable
(bool) If set to
.Ar YES
then run the
.Xr ypbind 8
service at system boot time.
.It Ar nis_client_flags
(str) If
.Ar nis_client_enable
is set to
.Ar YES ,
these are the flags to pass to the
.Xr ypbind 8
service.
.It Ar nis_ypset_enable
(bool) If set to
.Ar YES
then run the
.Xr ypset 8
daemon at system boot time.
.It Ar nis_ypset_flags
(str) If
.Ar nis_ypset_enable
is set to
.Ar YES ,
these are the flags to pass to the
.Xr ypset 8
daemon.
.It Ar nis_server_enable
(bool) If set to
.Ar YES
then run the
.Xr ypserv 8
daemon at system boot time.
.It Ar nis_server_flags
(str) If
.Ar nis_server_enable
is set to
.Ar YES ,
these are the flags to pass to the
.Xr ypserv 8
daemon.
.It Ar nis_ypxfrd_enable
(bool) If set to
.Ar YES
then run the
.Xr ypxfrd 8
daemon at system boot time.
.It Ar nis_ypxfrd_flags
(str) If
.Ar nis_ypxfrd_enable
is set to
.Ar YES ,
these are the flags to pass to the
.Xr ypxfrd 8
daemon.
.It Ar nis_yppasswdd_enable
(bool) If set to
.Ar YES
then run the
.Xr yppasswdd 8
daemon at system boot time.
.It Ar nis_yppasswdd_flags
(str) If
.Ar nis_yppasswdd_enable
is set to
.Ar YES ,
these are the flags to pass to the
.Xr yppasswdd 8
daemon.
.It Ar defaultrouter
(str) If not set to
.Ar NO
then create a default route to this host name or IP address (use IP
address value if you also require this router to get to a name
server!)
.It Ar static_routes
(str) Set to the list of static routes you would like to add at system
boot time.  If not set to
.Ar NO
then for each whitespace separated
.Em element 
in the value, a 
.No route_ Ns element
variable is assumed to exist 
whose contents will later be passed to a ``route add'' operation.
.It Ar gateway_enable
(bool) If set to
.Ar YES ,
then configure host to at as an IP router, e.g. to forward packets
between interfaces.
.It Ar router_enable
(bool) If set to
.Ar YES
then run a routing daemon of some sort, based on the
settings of
.Ar router
and
.Ar router_flags .
.It Ar router
(str) If
.Ar router_enable
is set to
.Ar YES ,
this is the name of the routing daemon to use.
.It Ar router_flags
(str) If
.Ar router_enable
is set to
.Ar YES ,
these are the flags to pass to the routing daemon.
.It Ar mrouted_enable
(bool) If set to
.Ar YES
then run the multicast routing daemon,
.Xr mrouted 8 .
.It Ar mrouted_flags
(str) If
.Ar mrouted_enable
is set to
.Ar YES ,
these are the flags to pass to the multicast routing daemon.
.It Ar ipxgateway_enable
(bool) If set to
.Ar YES
then enable the routing of IPX traffic.
.It Ar ipxrouted_enable
(bool) If set to
.Ar YES
then run the
.Xr ipxrouted 8
daemon at system boot time.
.It Ar ipxrouted_flags
(str) If
.Ar ipxrouted_enable
is set to
.Ar YES ,
these are the flags to pass to the
.Xr ipxrouted 8
daemon.
.It Ar arpproxy_all
If set to
.Ar YES
then enable global proxy ARP.
.It Ar forward_sourceroute
If set to
.Ar YES
then when
.Ar gateway_enable
is also set to
.Ar YES ,
source routed packets are forwarded.
.It Ar accept_sourceroute
If set to
.Ar YES
then the system will accept source routed packets directed at it.
.It Ar rarpd_enable
(bool) If set to
.Ar YES
then run the
.Xr rarpd 8
daemon at system boot time.
.It Ar rarpd_flags
(str) If
.Ar rarpd_enable
is set to
.Ar YES ,
these are the flags to pass to the
.Xr rarpd 8
daemon.
.It Ar atm_enable
(bool) Set to
.Ar YES 
to enable the configuration of ATM interfaces at system boot time.
For all of the ATM variables described below, please refer to the
.Xr atm 8
man page for further details on the available command parameters.
Also refer to the files in 
.Pa /usr/share/examples/atm
for more detailed configuration information.
.It Ar atm_netif_<intf>
(str) For the ATM physical interface 
.Va <intf> , 
this variable defines the name prefix and count for the ATM network interfaces to be created. 
The value will be passed as the parameters of an 
.Dq atm set netif Va <intf>
command.
.It Ar atm_sigmgr_<intf>
(str) For the ATM physical interface 
.Va <intf> , 
this variable defines the ATM signalling manager to be used.
The value will be passed as the parameters of an 
.Dq atm attach Va <intf>
command.
.It Ar atm_prefix_<intf>
(str) For the ATM physical interface 
.Va <intf> , 
this variable defines the NSAP prefix for interfaces using a UNI signalling 
manager.  If set to
.Em ILMI ,
then the prefix will automatically be set via the 
.Xr ilmid 8 
daemon.  Otherwise, the value will be passed as the parameters of an 
.Dq atm set prefix Va <intf>
command.
.It Ar atm_macaddr_<intf>
(str) For the ATM physical interface 
.Va <intf> , 
this variable defines the MAC address for interfaces using a UNI signalling 
manager.  If set to
.Em NO ,
then the hardware MAC address contained in the ATM interface card will be used.
Otherwise, the value will be passed as the parameters of an 
.Dq atm set mac Va <intf>
command.
.It Ar atm_arpserver_<netif>
(str) For the ATM network interface 
.Va <netif> , 
this variable defines the ATM address for a host which is to provide ATMARP
service.  This variable is only applicable to interfaces using a UNI signalling 
manager.  If set to
.Em local ,
then this host will become an ATMARP server.
The value will be passed as the parameters of an 
.Dq atm set arpserver Va <netif>
command.
.It Ar atm_scsparp_<netif>
(bool) If set to
.Em YES ,
then SCSP/ATMARP service for the network interface 
.Va <netif> 
will be initiated using the
.Xr scspd 8
and
.Xr atmarpd 8
daemons.  This variable is only applicable if 
.So 
.No atm_arpserver_ Ns Va <netif> 
.No Ns = Ns Qq local
.Sc 
is defined.
.It Ar atm_pvcs
(str) Set to the list of ATM PVCs you would like to add at system
boot time.  For each whitespace separated 
.Em element 
in the value, an 
.No atm_pvc_ Ns Em element
variable is assumed to exist.  The value of each of these variables 
will be passed as the parameters of an 
.Dq atm add pvc
command.
.It Ar atm_arps
(str) Set to the list of permanent ATM ARP entries you would like to add 
at system boot time.  For each whitespace separated 
.Em element 
in the value, an 
.No atm_arp_ Ns Em element
variable is assumed to exist.  The value of each of these variables 
will be passed as the parameters of an 
.Dq atm add arp
command.
.It Ar keymap
(str) If set to
.Ar NO
then no keymap is installed, otherwise the value is used to install
the keymap file in 
.Pa /usr/share/syscons/keymaps/<value>.kbd
.It Ar keyrate
(str) The keyboard repeat speed.  Set to
.Ar slow ,
.Ar normal ,
.Ar fast
or
.Ar NO
if the default behavior is desired.
.It Ar keychange
(str) If not set to
.Ar NO ,
attempt to program the function keys with the value.  The value should
be a single string of the form:
.Qq Ar "<funkey_number> <new_value> [<funkey_number> <new_value>]..."
.It Ar cursor
(str) Can be set to the value of
.Ar normal ,
.Ar blink ,
.Ar destructive
or
.Ar NO
to set the cursor behavior explicitly or choose the default behavior.
.It Ar scrnmap
(str) If set to
.Ar NO
then no screen map is installed, otherwise the value is used to install
the screen map file in 
.Pa /usr/share/syscons/scrnmaps/<value> .
.It Ar font8x16
(str) If set to
.Ar NO
then the default 8x16 font value is used for screen size requests, otherwise
the value in 
.Pa /usr/share/syscons/fonts/<value>
is used.
.It Ar font8x14
(str) If set to
.Ar NO
then the default 8x14 font value is used for screen size requests, otherwise
the value in
.Pa /usr/share/syscons/fonts/<value>
is used.
.It Ar font8x8
(str) If set to
.Ar NO
then the default 8x8 font value is used for screen size requests, otherwise
the value in
.Pa /usr/share/syscons/fonts/<value>
is used.
.It Ar blanktime
(int) If set to
.Ar NO
then the default screen blanking interval is used, otherwise it is set
to 
.Ar value 
seconds.
.It Ar saver
(str) If not set to
.Ar NO ,
this is the actual screen saver to use (blank, snake, daemon, etc).
.It Ar moused_enable
(str) If set to
.Ar YES ,
the
.Xr moused 8
daemon is started for doing cut/paste selection on the console.
.It Ar moused_type
(str) This is the protocol type of mouse you would like to use.
This variable must be set if 
.Ar moused_enable
is set to
.Ar YES .
The
.Xr moused 8
daemon
is able to detect the appropriate mouse type automatically in many cases.
You can set this variable to 
.Ar auto
to let the daemon detect it, or
select one from the following list if the automatic detection fails.
.Bd -literal
microsoft        Microsoft mouse
intellimouse     Microsoft IntelliMouse
mousesystems     Mouse systems Corp mouse
mmseries         MM Series mouse
logitech         Logitech mouse
busmouse         A bus mouse
mouseman         Logitech MouseMan and TrackMan
glidepoint       ALPS GlidePoint
thinkingmouse    Kensignton ThinkingMouse
ps/2             PS/2 mouse
mmhittab         MM HitTablet
x10mouseremote   X10 MouseRemote

.Ed
Even if your mouse is not in the above list, it may be compatible
with one in the list. Refer to the man page for
.Xr moused 8
for compatibility information.
.Pp
It should also be noted that while this is enabled, any
other client of the mouse (such as an X server) should access
the mouse through the virtual mouse device:
.Pa /dev/sysmouse
and configure it as a sysmouse type mouse, since all
mouse data is converted to this single canonical format when
using
.Xr moused 8 .
If the client program does not support the sysmouse type, 
specify the mousesystems type. It is the second prefered type.
.It Ar moused_port
(str) If
.Ar moused_enable
is set to
.Ar YES ,
this is the actual port the mouse is on.
It might be
.Pa /dev/cuaa0
for a COM1 serial mouse,
.Pa /dev/psm0
for a PS/2 mouse or
.Pa /dev/mse0
for a bus mouse, for example.
.It Ar moused_flags
(str) If
.Ar moused_type
is set, these are the additional flags to pass to the
.Xr moused 8
daemon.
.It Ar cron_enable
(bool) If set to
.Ar YES
then run the
.Xr cron 8
daemon at system boot time.
.It Ar lpd_program
(str) path to
.Xr lpd 8
(default
.Pa /usr/sbin/lpd ) .
.It Ar lpd_enable
(bool) If set to
.Ar YES
then run the
.Xr lpd 8
daemon at system boot time.
.It Ar lpd_flags
(str) If
.Ar lpd_enable
is set to
.Ar YES ,
these are the flags to pass to the
.Xr lpd 8
daemon.
.It Ar sendmail_enable
(bool) If set to
.Ar YES
then run the
.Xr sendmail 8
daemon at system boot time.
.It Ar sendmail_flags
(str) If
.Ar sendmail_enable
is set to
.Ar YES ,
these are the flags to pass to the
.Xr sendmail 8
daemon.
.It Ar savecore_enable
(bool) If set to
.Ar YES
then save kernel crashdumps for debugging purposes when the system
comes back up after a crash.  Crash images are typically stored in the
.Pa /var/crash
directory.
.It Ar dumpdev
(str) If not set to
.Ar NO
then point kernel crash-dumps at the swap device
specified as 
.Em value .
.It Ar check_quotas
(bool) Set to
.Ar YES
if you want to enable user disk quota checking via the 
.Xr quotacheck 8
command.
.It Ar accounting_enable
(bool) Set to
.Ar YES
if you wish to enable system accounting through the 
.Xr accton 8
facility.
.It Ar ibcs2_enable
(bool) Set to
.Ar YES
if you wish to enable iBCS2 (SCO) binary emulation at system initial boot
time.
.It Ar linux_enable
(bool) Set to
.Ar YES
if you wish to enable Linux/ELF binary emulation at system initial
boot time.
.It Ar rand_irqs
(str) Set to the list of IRQs to monitor for random number creation
(see the man page for
.Xr rndcontrol 8 ).
.It Ar clear_tmp_enable
(bool) Set to
.Ar YES
if you want
.Pa /tmp
to be cleaned at startup.
.It Ar ldconfig_paths
(str) Set to the list of shared library paths to use with
.Xr ldconfig 8 .
NOTE:
.Pa /usr/lib
will always be added first, so it need not appear in this list.
.It Ar kern_securelevel_enable
(bool) Set to 
.Ar YES
if you wish to set the kernel security level at system startup.
.It Ar kern_securelevel
(int) The kernel security level to set at startup.
The allowed range of 
.Ar value
ranges from -1 (the compile time default) to 3 (the
most secure).  See
.Xr init 8
for the list of possible security levels and their effect
on system operation.
.Sh FILES
.Bl -tag -width /etc/defaults/rc.conf -compact
.It Pa /etc/defaults/rc.conf
.El
.Pp
.Bl -tag -width /etc/rc.conf -compact
.It Pa /etc/rc.conf
.El
.Pp
.Bl -tag -width /etc/rc.conf.local -compact
.It Pa /etc/rc.conf.local
.El
.Sh SEE ALSO
.Xr gdb 1 ,
.Xr info 1 ,
.Xr exports 5 ,
.Xr accton 8 ,
.Xr amd 8 ,
.Xr apm 8 ,
.Xr atm 8 ,
.Xr cron 8 ,
.Xr gated 8 ,
.Xr ifconfig 8 ,
.Xr inetd 8 ,
.Xr lpd 8 ,
.Xr motd 5 ,
.Xr moused 8 ,
.Xr mrouted 8 ,
.Xr named 8 ,
.Xr nfsd 8 ,
.Xr nfsiod 8 ,
.Xr ntpdate 8 ,
.Xr pcnfsd 8 ,
.Xr portmap 8 ,
.Xr quotacheck 8 ,
.Xr rc 8 ,
.Xr rndcontrol 8 ,
.Xr route 8 ,
.Xr routed 8 ,
.Xr rpc.lockd 8 ,
.Xr rpc.statd 8 ,
.Xr rwhod 8 ,
.Xr sendmail 8 ,
.Xr sysctl 8 ,
.Xr syslogd 8 ,
.Xr swapon 8 ,
.Xr tickadj 8 ,
.Xr timed 8 ,
.Xr vnconfig 8 ,
.Xr xntpd 8 ,
.Xr xtend 8 ,
.Xr ypbind 8 ,
.Xr ypserv 8 ,
.Xr ypset 8
.Sh HISTORY
The
.Nm
file appeared in
.Fx 2.2.2 .

.Sh AUTHORS
.An Jordan K. Hubbard .