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RC.CONF(5)                FreeBSD File Formats Manual               RC.CONF(5)

NAME
     rc.conf - system configuration information

DESCRIPTION
     The file 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 rc.conf file is generally initialized by the system
     installation utility, sysinstall(8).

     The purpose of rc.conf is not to run commands or perform system startup
     actions directly.  Instead, it is included by the various generic startup
     scripts in /etc which conditionalize their internal actions according to
     the settings found there.

     The /etc/rc.conf file is included from the file /etc/defaults/rc.conf,
     which specifies the default settings for all the available options.
     Options need only be specified in /etc/rc.conf when the system
     administrator wishes to override these defaults.  The file
     /etc/rc.conf.local is used to override settings in /etc/rc.conf for
     historical reasons.  See the rc_conf_files variable below.

     The following list provides a name and short description for each
     variable that can be set in the rc.conf file:

     rc_debug    (bool) If set to ``YES'', enable output of debug messages
                 from rc scripts.  This variable can be helpful in diagnosing
                 mistakes when editing or integrating new scripts.  Beware
                 that this produces copious output to the terminal and
                 syslog(3).

     rc_info     (bool) If set to ``NO'', disable informational messages from
                 the rc scripts.  Informational messages are displayed when a
                 condition that is not serious enough to warrant a warning or
                 an error occurs.

     swapfile    (str) If set to ``NO'', no swapfile is installed, otherwise
                 the value is used as the full pathname to a file to use for
                 additional swap space.

     apm_enable  (bool) If set to ``YES'', enable support for Automatic Power
                 Management with the apm(8) command.

     apmd_enable
                 (bool) Run apmd(8) to handle APM event from userland.  This
                 also enables support for APM.

     apmd_flags  (str) If apmd_enable is set to ``YES'', these are the flags
                 to pass to the apmd(8) daemon.

     devd_enable
                 (bool) Run devd(8) to handle device added, removed or unknown
                 events from the kernel.

     kldxref_enable
                 (bool) Set to ``NO'' by default.  Set to ``YES'' to
                 automatically rebuild linker.hints files with kldxref(8) at
                 boot time.

     kldxref_clobber
                 (bool) Set to ``NO'' by default.  If kldxref_enable is true,
                 setting to ``YES'' will overwrite existing linker.hints files
                 at boot time.  Otherwise, only missing linker.hints files are
                 generated.

     kldxref_module_path
                 (str) Empty by default.  A semi-colon (`;') delimited list of
                 paths containing kld(4) modules.  If empty, the contents of
                 the kern.module_path sysctl(8) are used.

     pccard_enable
                 (bool) If set to ``YES'', enable PCCARD support at boot time.

     pccard_mem  (str) Set to PCCARD controller memory address or ``DEFAULT''
                 for the default value.

     pccard_ifconfig
                 (str) List of arguments to be passed to ifconfig(8) at boot
                 time or on insertion 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).

     pccard_beep
                 (int) If 0, set the PCCARD controller to silent mode.  If 1,
                 set it to beep mode.  If 2, set it to melody mode.

     pccard_conf
                 (str) Path to the configuration file for the pccardd(8)
                 daemon (e.g. /etc/pccard.conf.sample).

     pccardd_flags
                 (str) If pccard_enable is set to ``YES'', these are the flags
                 to pass to the pccardd(8) daemon.

     pccard_ether_delay
                 (str) Set the delay before starting dhclient(8) in the
                 /etc/pccard_ether script.  This defaults to 5 seconds to work
                 around a bug in the ed(4) driver which can lead to system
                 hangs when using some newer ed(4) based cards.

     removable_interfaces
                 (str) List of removable network interfaces to be supported by
                 /etc/pccard_ether.

     tmpmfs      Controls the creation of a /tmp memory file system.  Always
                 happens if set to ``YES'' and never happens if set to ``NO''.
                 If set to anything else, a memory file system is created if
                 /tmp is not writable.

     tmpsize     Controls the size of a created /tmp memory file system.

     tmpmfs_flags
                 Extra options passed to the mdmfs(8) utility when the memory
                 file system for /tmp is created.  The default is ``-S'',
                 which inhibits the use of softupdates on /tmp to waste as
                 little space as possible.  See mdmfs(8) for other options you
                 can use in tmpmfs_flags.

     varmfs      Controls the creation of a /var memory file system.  Always
                 happens if set to ``YES'' and never happens if set to ``NO''.
                 If set to anything else, a memory file system is created if
                 /var is not writable.

     varsize     Controls the size of a created /var memory file system.

     varmfs_flags
                 Extra options passed to the mdmfs(8) utility when the memory
                 file system for /var is created.  The default is ``-S'',
                 which inhibits the use of softupdates on /var to waste as
                 little space as possible.  See mdmfs(8) for other options you
                 can use in varmfs_flags.

     populate_var
                 Controls the automatic population of the /var file system.
                 Always happens if set to ``YES'' and never happens if set to
                 ``NO''.  If set to anything else, a memory file system is
                 created if /var is not writable.  Note that this process
                 requires access to certain commands in /usr before /usr is
                 mounted on normal systems.

     local_startup
                 (str) List of directories to search for startup script files.

     script_name_sep
                 (str) The field separator to use for breaking down the list
                 of startup script files into individual filenames.  The
                 default is a space.  It is not necessary to change this
                 unless there are startup scripts with names containing
                 spaces.

     hostname    (str) The fully qualified domain name (FQDN) of this host on
                 the network.  This should almost certainly be set to
                 something meaningful, even if there is no network connection.
                 If dhclient(8) is used to set the hostname via DHCP, this
                 variable should be set to an empty string.

     ipv6_enable
                 (bool) Enable support for IPv6 networking.  Note that this
                 requires that the kernel have been compiled with options
                 INET6.

     nisdomainname
                 (str) The NIS domain name of this host, or ``NO'' if NIS is
                 not used.

     dhclient_program
                 (str) Path to the DHCP client program (/sbin/dhclient, the
                 ISC DHCP client, is the default).

     dhclient_flags
                 (str) Additional flags to pass to the DHCP client program.
                 For the ISC DHCP client, see the dhclient(8) manpage for a
                 description of the command line options available.

     background_dhclient
                 (bool) Set to ``YES'' to start the dhcp client in background.
                 This can cause trouble with applications depending on a
                 working network, but it will provide a faster startup in many
                 cases.

     firewall_enable
                 (bool) Set to ``YES'' to load firewall rules at startup.  If
                 the kernel was not built with options IPFIREWALL, the ipfw.ko
                 kernel module will be loaded.  See also ipfilter_enable.

     ipv6_firewall_enable
                 (bool) The IPv6 equivalent of firewall_enable.  Set to
                 ``YES'' to load IPv6 firewall rules at startup.  If the
                 kernel was not built with options IPV6FIREWALL, the ip6fw.ko
                 kernel module will be loaded.

     firewall_script
                 (str) This variable specifies the full path to the firewall
                 script to run.  The default is /etc/rc.firewall.

     ipv6_firewall_script
                 (str) The IPv6 equivalent of firewall_script.

     firewall_type
                 (str) Names the firewall type from the selection in
                 /etc/rc.firewall, or the file which contains the local
                 firewall ruleset.  Valid selections from /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.

     ipv6_firewall_type
                 (str) The IPv6 equivalent of firewall_type.

     firewall_quiet
                 (bool) Set to ``YES'' to disable the display of firewall
                 rules on the console during boot.

     ipv6_firewall_quiet
                 (bool) The IPv6 equivalent of firewall_quiet.

     firewall_logging
                 (bool) Set to ``YES'' to enable firewall event logging.  This
                 is equivalent to the IPFIREWALL_VERBOSE kernel option.

     ipv6_firewall_logging
                 (bool) The IPv6 equivalent of firewall_logging.

     firewall_flags
                 (str) Flags passed to ipfw(8) if firewall_type specifies a
                 filename.

     ipv6_firewall_flags
                 (str) The IPv6 equivalent of firewall_flags.

     natd_program
                 (str) Path to natd(8).

     natd_enable
                 (bool) Set to ``YES'' to enable natd(8).  firewall_enable
                 must also be set to ``YES'', and divert(4) sockets must be
                 enabled in the kernel.  If the kernel was not built with
                 options IPDIVERT, the ipdivert.ko kernel module will be
                 loaded.

     natd_interface
                 (str) This is the name of the public interface on which
                 natd(8) should run.  The interface may be given as an
                 interface name or as an IP address.

     natd_flags  (str) Additional natd(8) flags should be placed here.  The -n
                 or -a flag is automatically added with the above
                 natd_interface as an argument.

     ipfilter_enable
                 (bool) Set to ``NO'' by default.  Setting this to ``YES''
                 enables ipf(8) packet filtering.

                 Typical usage will require putting

                 ipfilter_enable="YES"
                 ipnat_enable="YES"
                 ipmon_enable="YES"
                 ipfs_enable="YES"

                 into /etc/rc.conf and editing /etc/ipf.rules and
                 /etc/ipnat.rules appropriately.

                 Note that ipfilter_enable and ipnat_enable can be enabled
                 independently.  ipmon_enable and ipfs_enable both require at
                 least one of ipfilter_enable and ipnat_enable to be enabled.

                 Having

                 options IPFILTER
                 options IPFILTER_LOG
                 options IPFILTER_DEFAULT_BLOCK

                 in the kernel configuration file is a good idea, too.

     ipfilter_program
                 (str) Path to ipf(8) (default /sbin/ipf).

     ipfilter_rules
                 (str) Set to /etc/ipf.rules by default.  This variable
                 contains the name of the filter rule definition file.  The
                 file is expected to be readable for the ipf(8) command to
                 execute.

     ipv6_ipfilter_rules
                 (str) Set to /etc/ipf6.rules by default.  This variable
                 contains the IPv6 filter rule definition file.  The file is
                 expected to be readable for the ipf(8) command to execute.

     ipfilter_flags
                 (str) Empty by default.  This variable contains flags passed
                 to the ipf(8) program.

     ipnat_enable
                 (bool) Set to ``NO'' by default.  Set it to ``YES'' to enable
                 ipnat(1) network address translation.  See ipfilter_enable
                 for a detailed discussion.

     ipnat_program
                 (str) Path to ipnat(1) (default /sbin/ipnat).

     ipnat_rules
                 (str) Set to /etc/ipnat.rules by default.  This variable
                 contains the name of the file holding the network address
                 translation definition.  This file is expected to be readable
                 for the ipnat(1) command to execute.

     ipnat_flags
                 (str) Empty by default.  This variable contains flags passed
                 to the ipnat(1) program.

     ipmon_enable
                 (bool) Set to ``NO'' by default.  Set it to ``YES'' to enable
                 ipmon(8) monitoring (logging ipf(8) and ipnat(1) events).
                 Setting this variable needs setting ipfilter_enable or
                 ipnat_enable too.  See ipfilter_enable for a detailed
                 discussion.

     ipmon_program
                 (str) Path to ipmon(8) (default /sbin/ipmon).

     ipmon_flags
                 (str) Set to ``-Ds'' by default.  This variable contains
                 flags passed to the ipmon(8) program.  Another typical
                 example would be ``-D /var/log/ipflog'' to have ipmon(8) log
                 directly to a file bypassing syslogd(8).  Make sure to adjust
                 /etc/newsyslog.conf in such case like this:

                 /var/log/ipflog  640  10  100  *  Z  /var/run/ipmon.pid

     ipfs_enable
                 (bool) Set to ``NO'' by default.  Set it to ``YES'' to enable
                 ipfs(8) saving the filter and NAT state tables during
                 shutdown and reloading them during startup again.  Setting
                 this variable needs setting ipfilter_enable or ipnat_enable
                 to ``YES'' too.  See ipfilter_enable for a detailed
                 discussion.  Note that if kern_securelevel is set to 3,
                 ipfs_enable cannot be used because the raised securelevel
                 will prevent ipfs(8) from saving the state tables at shutdown
                 time.

     ipfs_program
                 (str) Path to ipfs(8) (default /sbin/ipfs).

     ipfs_flags  (str) Empty by default.  This variable contains flags passed
                 to the ipfs(8) program.

     pf_enable   (bool) Set to ``NO'' by default.  Setting this to ``YES''
                 enables pf(4) packet filtering.

                 Typical usage will require putting

                       pf_enable="YES"

                 into /etc/rc.conf and editing /etc/pf.conf appropriately.

                       device pf

                 builds pf(4) into the kernel.  Otherwise it is loaded from a
                 module.

     pf_rules    (str) Path to pf(4) ruleset configuration file (default
                 /etc/pf.conf).

     pf_program  (str) Path to pfctl(8) (default /sbin/pfctl).

     pf_flags    (str) If pf_enable is set to ``YES'', these flags are passed
                 to the pfctl(8) program when loading the ruleset.

     pflog_enable
                 (bool) Set to ``NO'' by default.  Setting this to ``YES''
                 enables pflogd(8) which logs packtes from the pf(4) packet
                 filter.

     pflog_logfile
                 (str) If pflog_enable is set to ``YES'' this controls where
                 pflogd(8) stores the logfile (default /var/log/pflog).  Check
                 /etc/newsyslog.conf to adjust logfile rotation for this.

     pflog_program
                 (str) Path to pflogd(8) (default /sbin/pflogd).

     pflog_flags
                 (str) Empty by default.  This variable contains additional
                 flags passed to the pflogd(8) program.

     tcp_extensions
                 (bool) Set to ``YES'' by default.  Setting this to ``NO''
                 disables certain TCP options as described by RFC 1323.
                 Setting this to ``NO'' might help remedy such problems with
                 connections as randomly hanging or other weird behavior.
                 Some network devices are known to be broken with respect to
                 these options.

     log_in_vain
                 (int) Set to 0 by default.  The sysctl(8) variables,
                 net.inet.tcp.log_in_vain and net.inet.udp.log_in_vain, as
                 described in tcp(4) and udp(4), are set to the given value.

     tcp_keepalive
                 (bool) Set to ``YES'' by default.  Setting to ``NO'' will
                 disable probing idle TCP connections to verify that the peer
                 is still up and reachable.

     tcp_drop_synfin
                 (bool) Set to ``NO'' by default.  Setting to ``YES'' will
                 cause the kernel to ignore TCP frames that have both the SYN
                 and FIN flags set.  This prevents OS fingerprinting, but may
                 break some legitimate applications.  This option is only
                 available if the kernel was built with the TCP_DROP_SYNFIN
                 option.

     icmp_drop_redirect
                 (bool) Set to ``NO'' by default.  Setting to ``YES'' will
                 cause the kernel to ignore ICMP REDIRECT packets.  Refer to
                 icmp(4) for more information.

     icmp_log_redirect
                 (bool) Set to ``NO'' by default.  Setting to ``YES'' will
                 cause the kernel to log ICMP REDIRECT packets.  Note that the
                 log messages are not rate-limited, so this option should only
                 be used for troubleshooting networks.  Refer to icmp(4) for
                 more information.

     icmp_bmcastecho
                 (bool) Set to ``YES'' to respond to broadcast or multicast
                 ICMP ping packets.  Refer to icmp(4) for more information.

     ip_portrange_first
                 (int) If not set to ``NO'', this is the first port in the
                 default portrange.  Refer to ip(4) for more information.

     ip_portrange_last
                 (int) If not set to ``NO'', this is the last port in the
                 default portrange.  Refer to ip(4) for more information.

     network_interfaces
                 (str) Set to the list of network interfaces to configure on
                 this host.  For example, if the only network devices in the
                 system are the loopback device (lo0) and a NIC using the
                 ed(4) driver, this could be set to ``lo0 ed0''.  An
                 ifconfig_<interface> variable is also assumed to exist for
                 each value of interface.  It is also possible to add IP alias
                 entries here in cases where multiple IP addresses registered
                 against a single interface are desired.  Assuming that the
                 interface in question was ed0, it might look something like
                 this:

                 ifconfig_ed0_alias0="inet 127.0.0.253 netmask 0xffffffff"
                 ifconfig_ed0_alias1="inet 127.0.0.254 netmask 0xffffffff"

                 And so on.  For each ifconfig_<interface>_alias<n> entry that
                 is found, its contents are passed to ifconfig(8).  Execution
                 stops at the first unsuccessful access, so if something like
                 this is present:

                 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"

                 Then note that alias4 would not be added since the search
                 would stop with the missing alias3 entry.

                 If the /etc/start_if.<interface> file is present, it is read
                 and executed by the sh(1) interpreter before configuring the
                 interface as specified in the ifconfig_<interface> and
                 ifconfig_<interface>_alias<n> variables.

                 It is possible to bring up an interface with DHCP by setting
                 the ifconfig_<interface> variable to ``DHCP''.  For instance,
                 to initialize the ed0 device via DHCP, it is possible to use
                 something like:

                 ifconfig_ed0="DHCP"

                 It is also possible to rename interface by doing:

                 ifconfig_ed0_name="net0"
                 ifconfig_net0="inet 10.0.0.1 netmask 0xffff0000"

     ipv6_network_interfaces
                 (str) This is the IPv6 equivalent of network_interfaces.
                 Instead of setting the ifconfig variables as
                 ifconfig_<interface> they should be set as
                 ipv6_ifconfig_<interface>.  Aliases should be set as
                 ipv6_ifconfig_<interface>_alias<n>.  ipv6_prefix_<interface>
                 does something.  Interfaces that do not have a
                 ipv6_ifconfig_<interface> setting will be auto configured by
                 rtsol(8) if the ipv6_gateway_enable is set to ``NO''.  Note
                 that the IPv6 networking code does not support the
                 /etc/start_if.<interface> files.

     ipv6_default_interface
                 (str) If not set to ``NO'', this is the default output
                 interface for scoped addresses.  Now this works only for IPv6
                 link local multicast addresses.

     cloned_interfaces
                 (str) Set to the list of clonable network interfaces to
                 create on this host.  Entries in cloned_interfaces are
                 automatically appended to network_interfaces for
                 configuration.

     gif_interfaces
                 (str) Set to the list of gif(4) tunnel interfaces to
                 configure on this host.  A gifconfig_<interface> variable is
                 assumed to exist for each value of interface.  The value of
                 this variable is used to configure the link layer of the
                 tunnel according to the syntax of the tunnel option to
                 ifconfig(8).  Additionally, this option ensures that each
                 listed interface is created via the create option to
                 ifconfig(8) before attempting to configure it.

     sppp_interfaces
                 (str) Set to the list of sppp(4) interfaces to configure on
                 this host.  A spppconfig_<interface> variable is assumed to
                 exist for each value of interface.  Each interface should
                 also be configured by a general ifconfig_<interface> setting.
                 Refer to spppcontrol(8) for more information about available
                 options.

     ppp_enable  (bool) If set to ``YES'', run the ppp(8) daemon.

     ppp_mode    (str) Mode in which to run the ppp(8) daemon.  Accepted modes
                 are ``auto'', ``ddial'', ``direct'' and ``dedicated''.  See
                 the manual for a full description.

     ppp_nat     (bool) If set to ``YES'', enables network address
                 translation.  Used in conjunction with gateway_enable allows
                 hosts on private network addresses access to the Internet
                 using this host as a network address translating router.

     ppp_profile
                 (str) The name of the profile to use from /etc/ppp/ppp.conf.

     ppp_user    (str) The name of the user under which ppp(8) should be
                 started.  By default, ppp(8) is started as ``root''.

     rc_conf_files
                 (str) This option is used to specify a list of files that
                 will override the settings in /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 /etc/rc.conf and /etc/rc.conf.local

     gbde_autoattach_all
                 (bool) If set to ``YES'', /etc/rc.d/gbde will attempt to
                 automatically initialize your .bde devices in /etc/fstab.

     gbde_devices
                 (str) List the devices that the script should try to attach,
                 or ``AUTO''.

     gbde_lockdir
                 (str) The directory where the gbde(4) lockfiles are located.
                 The default lockfile directory is /etc.

                 The lockfile for each individual gbde(4) device can be
                 overridden by setting the variable gbde_lock_<device>, where
                 device is the encrypted device without the ``/dev/'' and
                 ``.bde'' parts.

     gbde_attach_attempts
                 (int) Number of times to attempt attaching to a gbde(4)
                 device, i.e., how many times the user is asked for the pass-
                 phrase.  Default is 3.

     gbde_swap_enable
                 (bool) If set to ``YES'', any .bde swap devices listed in
                 /etc/fstab will be initialized with a random, one-shot key.
                 Note that this makes recovery of kernel dumps impossible.

     root_rw_mount
                 (bool) Set to ``YES'' by default.  After the file systems are
                 checked at boot time, the root file system is remounted as
                 read-write if this is set to ``YES''.  Diskless systems that
                 mount their root file system from a read-only remote NFS
                 share should set this to ``NO'' in their rc.conf.

     fsck_y_enable
                 (bool) If set to ``YES'', fsck(8) will be run with the -y
                 flag if the initial preen of the file systems fails.

     background_fsck
                 (bool) If set to ``YES'', the system will attempt to run
                 fsck(8) in the background where possible.

     background_fsck_delay
                 (int) The amount of time in seconds to sleep before starting
                 a background fsck(8).  It defaults to sixty seconds to allow
                 large applications such as the X server to start before disk
                 I/O bandwidth is monopolized by fsck(8).

     netfs_types
                 (str) List of file system types that are network-based.  This
                 list should generally not be modified by end users.  Use
                 extra_netfs_types instead.

     extra_netfs_types
                 (str) If set to something other than ``NO'' (the default),
                 this variable extends the list of file system types for which
                 automatic mounting at startup by rc(8) should be delayed
                 until the network is initialized.  It should contain a
                 whitespace-separated list of network file system descriptor
                 pairs, each consisting of a file system type as passed to
                 mount(8) and a human-readable, one-word description, joined
                 with a colon (`:').  Extending the default list in this way
                 is only necessary when third party file system types are
                 used.

     syslogd_enable
                 (bool) If set to ``YES'', run the syslogd(8) daemon.

     syslogd_program
                 (str) Path to syslogd(8) (default /usr/sbin/syslogd).

     syslogd_flags
                 (str) If syslogd_enable is set to ``YES'', these are the
                 flags to pass to syslogd(8).

     inetd_enable
                 (bool) If set to ``YES'', run the inetd(8) daemon.

     inetd_program
                 (str) Path to inetd(8) (default /usr/sbin/inetd).

     inetd_flags
                 (str) If inetd_enable is set to ``YES'', these are the flags
                 to pass to inetd(8).

     named_enable
                 (bool) If set to ``YES'', run the named(8) daemon.

     named_program
                 (str) Path to named(8) (default /usr/sbin/named).

     named_flags
                 (str) If named_enable is set to ``YES'', these are the flags
                 to pass to named(8).

     named_pidfile
                 (str) This is the default path to the named(8) daemon's PID
                 file.  Change it if you change the location in named.conf(5).

     named_chrootdir
                 (str) The root directory for a name server run in a chroot(8)
                 environment (default /var/named).  If left empty named(8)
                 will not be run in a chroot(8) environment.

     named_chroot_autoupdate
                 (bool) Set to ``NO'' to disable automatic update of the
                 chroot(8) environment.

     named_symlink_enable
                 (bool) Set to ``NO'' to disable symlinking of daemon's PID
                 file into the chroot(8) environment.

     kerberos5_server_enable
                 (bool) Set to ``YES'' to start a Kerberos 5 authentication
                 server at boot time.

     kerberos5_server
                 (str) If kerberos5_server_enable is set to ``YES'' this is
                 the path to Kerberos 5 Authentication Server.

     kadmind5_server_enable
                 (bool) Set to ``YES'' to start kadmind(8), the Kerberos 5
                 Administration Daemon; set to ``NO'' on a slave server.

     kadmind5_server
                 (str) If kadmind5_server_enable is set to ``YES'' this is the
                 path to Kerberos 5 Administration Daemon.

     kpasswdd_server_enable
                 (bool) Set to ``YES'' to start kpasswdd(8), the Kerberos 5
                 Password-Changing Daemon; set to ``NO'' on a slave server.

     kpasswdd_server
                 (str) If kpasswdd_server_enable is set to ``YES'' this is the
                 path to Kerberos 5 Password-Changing Daemon.

     rwhod_enable
                 (bool) If set to ``YES'', run the rwhod(8) daemon at boot
                 time.

     rwhod_flags
                 (str) If rwhod_enable is set to ``YES'', these are the flags
                 to pass to it.

     amd_enable  (bool) If set to ``YES'', run the amd(8) daemon at boot time.

     amd_flags   (str) If amd_enable is set to ``YES'', these are the flags to
                 pass to it.  See the amd(8) manpage for more information.

     amd_map_program
                 (str) If set, the specified program is run to get the list of
                 amd(8) maps.  For example, if the amd(8) maps are stored in
                 NIS, one can set this to run ypcat(1) to get a list of amd(8)
                 maps from the amd.master NIS map.

     update_motd
                 (bool) If set to ``YES'', /etc/motd will be updated at boot
                 time to reflect the kernel release being run.  If set to
                 ``NO'', /etc/motd will not be updated.

     nfs_client_enable
                 (bool) If set to ``YES'', run the NFS client daemons at boot
                 time.

     nfs_access_cache
                 (int) If nfs_client_enable is set to ``YES'', this can be set
                 to ``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.

     nfs_server_enable
                 (bool) If set to ``YES'', run the NFS server daemons at boot
                 time.

     nfs_server_flags
                 (str) If nfs_server_enable is set to ``YES'', these are the
                 flags to pass to the nfsd(8) daemon.

     mountd_enable
                 (bool) If set to ``YES'', and no nfs_server_enable is set,
                 start mountd(8), but not nfsd(8) daemon.  It is commonly
                 needed to run CFS without real NFS used.

     mountd_flags
                 (str) If mountd_enable is set to ``YES'', these are the flags
                 to pass to the mountd(8) daemon.

     weak_mountd_authentication
                 (bool) If set to ``YES'', allow services like PCNFSD to make
                 non-privileged mount requests.

     nfs_reserved_port_only
                 (bool) If set to ``YES'', provide NFS services only on a
                 secure port.

     nfs_bufpackets
                 (int) If set to a number, indicates the number of packets
                 worth of socket buffer space to reserve on an NFS client.
                 The kernel default is typically 4.  Using a higher number may
                 be useful on gigabit networks to improve performance.  The
                 minimum value is 2 and the maximum is 64.

     rpc_lockd_enable
                 (bool) If set to ``YES'' and also an NFS server, run
                 rpc.lockd(8) at boot time.

     rpc_statd_enable
                 (bool) If set to ``YES'' and also an NFS server, run
                 rpc.statd(8) at boot time.

     rpcbind_program
                 (str) Path to rpcbind(8) (default /usr/sbin/rpcbind).

     rpcbind_enable
                 (bool) If set to ``YES'', run the rpcbind(8) service at boot
                 time.

     rpcbind_flags
                 (str) If rpcbind_enable is set to ``YES'', these are the
                 flags to pass to the rpcbind(8) daemon.

     keyserv_enable
                 (bool) If set to ``YES'', run the keyserv(8) daemon on boot
                 for running Secure RPC.

     keyserv_flags
                 (str) If keyserv_enable is set to ``YES'', these are the
                 flags to pass to keyserv(8) daemon.

     pppoed_enable
                 (bool) If set to ``YES'', run the pppoed(8) daemon at boot
                 time to provide PPP over Ethernet services.

     pppoed_provider
                 (str) pppoed(8) listens to requests to this provider and
                 ultimately runs ppp(8) with a system argument of the same
                 name.

     pppoed_flags
                 (str) Additional flags to pass to pppoed(8).

     pppoed_interface
                 (str) The network interface to run pppoed(8) on.  This is
                 mandatory when pppoed_enable is set to ``YES''.

     timed_enable
                 (bool) If set to ``YES'', run the timed(8) service at boot
                 time.  This command is intended for networks of machines
                 where a consistent ``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.

     timed_flags
                 (str) If timed_enable is set to ``YES'', these are the flags
                 to pass to the timed(8) service.

     ntpdate_enable
                 (bool) If set to ``YES'', run ntpdate(8) at system startup.
                 This command is intended to synchronize the system clock only
                 once from some standard reference.  An option to set this up
                 initially (from a list of known servers) is also provided by
                 the sysinstall(8) program when the system is first installed.

     ntpdate_hosts
                 (str) A whitespace-separated list of NTP servers to
                 synchronize with at startup.  The default is to use the
                 servers listed in /etc/ntp.conf, if that file exists.

     ntpdate_program
                 (str) Path to ntpdate(8) (default /usr/sbin/ntpdate).

     ntpdate_flags
                 (str) If ntpdate_enable is set to ``YES'', these are the
                 flags to pass to the ntpdate(8) command (typically a
                 hostname).

     ntpd_enable
                 (bool) If set to ``YES'', run the ntpd(8) command at boot
                 time.

     ntpd_program
                 (str) Path to ntpd(8) (default /usr/sbin/ntpd).

     ntpd_flags  (str) If ntpd_enable is set to ``YES'', these are the flags
                 to pass to the ntpd(8) daemon.

     ntpd_sync_on_start
                 (bool) If set to ``YES'', ntpd(8) is run with the -g flag,
                 which syncs the system's clock on startup.  See ntpd(8) for
                 more information regarding the -g option.  This is a
                 preferred alternative to using ntpdate(8) or specifying the
                 ntpdate_enable variable.

     nis_client_enable
                 (bool) If set to ``YES'', run the ypbind(8) service at system
                 boot time.

     nis_client_flags
                 (str) If nis_client_enable is set to ``YES'', these are the
                 flags to pass to the ypbind(8) service.

     nis_ypset_enable
                 (bool) If set to ``YES'', run the ypset(8) daemon at system
                 boot time.

     nis_ypset_flags
                 (str) If nis_ypset_enable is set to ``YES'', these are the
                 flags to pass to the ypset(8) daemon.

     nis_server_enable
                 (bool) If set to ``YES'', run the ypserv(8) daemon at system
                 boot time.

     nis_server_flags
                 (str) If nis_server_enable is set to ``YES'', these are the
                 flags to pass to the ypserv(8) daemon.

     nis_ypxfrd_enable
                 (bool) If set to ``YES'', run the rpc.ypxfrd(8) daemon at
                 system boot time.

     nis_ypxfrd_flags
                 (str) If nis_ypxfrd_enable is set to ``YES'', these are the
                 flags to pass to the rpc.ypxfrd(8) daemon.

     nis_yppasswdd_enable
                 (bool) If set to ``YES'', run the rpc.yppasswdd(8) daemon at
                 system boot time.

     nis_yppasswdd_flags
                 (str) If nis_yppasswdd_enable is set to ``YES'', these are
                 the flags to pass to the rpc.yppasswdd(8) daemon.

     rpc_ypupdated_enable
                 (bool) If set to ``YES'', run the rpc.ypupdated daemon at
                 system boot time.

     defaultrouter
                 (str) If not set to ``NO'', create a default route to this
                 host name or IP address (use an IP address if this router is
                 also required to get to the name server!).

     ipv6_defaultrouter
                 (str) The IPv6 equivalent of defaultrouter.

     static_routes
                 (str) Set to the list of static routes that are to be added
                 at system boot time.  If not set to ``NO'' then for each
                 whitespace separated element in the value, a route_<element>
                 variable is assumed to exist whose contents will later be
                 passed to a ``route add'' operation.  For example:

                 static_routes="mcast gif0local"
                 route_mcast="-net 224.0.0.0/4 -iface gif0"
                 route_gif0local="-host 169.254.1.1 -iface lo0"

     ipv6_static_routes
                 (str) The IPv6 equivalent of static_routes.  If not set to
                 ``NO'' then for each whitespace separated element in the
                 value, a ipv6_route_<element> variable is assumed to exist
                 whose contents will later be passed to a ``route add -inet6''
                 operation.

     natm_static_routes
                 (str) The natmip(4) equivalent of static_routes.  If not
                 empty then for each whitespace separated element in the
                 value, a route_<element> variable is assumed to exist whose
                 contents will later be passed to a ``atmconfig natm add''
                 operation.

     gateway_enable
                 (bool) If set to ``YES'', configure host to act as an IP
                 router, e.g. to forward packets between interfaces.

     ipv6_gateway_enable
                 (bool) The IPv6 equivalent of gateway_enable.

     router_enable
                 (bool) If set to ``YES'', run a routing daemon of some sort,
                 based on the settings of router and router_flags.

     ipv6_router_enable
                 (bool) The IPv6 equivalent of router_enable.  If set to
                 ``YES'', run a routing daemon of some sort, based on the
                 settings of ipv6_router and ipv6_router_flags.

     router      (str) If router_enable is set to ``YES'', this is the name of
                 the routing daemon to use.

     ipv6_router
                 (str) The IPv6 equivalent of router.

     router_flags
                 (str) If router_enable is set to ``YES'', these are the flags
                 to pass to the routing daemon.

     ipv6_router_flags
                 (str) The IPv6 equivalent of router_flags.

     mrouted_enable
                 (bool) If set to ``YES'', run the multicast routing daemon,
                 mrouted(8).

     mroute6d_enable
                 (bool) The IPv6 equivalent of mrouted_enable.  If set to
                 ``YES'', run the IPv6 multicast routing daemon.  Note that no
                 IPv6 multicast routing daemon is included in the FreeBSD base
                 system but pim6dd(8) can be installed from the FreeBSD Ports
                 Collection.

     mrouted_flags
                 (str) If mrouted_enable is set to ``YES'', these are the
                 flags to pass to the mrouted(8) daemon.

     mroute6d_flags
                 (str) The IPv6 equivalent of mrouted_flags.  If
                 mroute6d_enable is set to ``YES'', these are the flags passed
                 to the IPv6 multicast routing daemon.

     mroute6d_program
                 (str) If mroute6d_enable is set to ``YES'', this is the path
                 to the IPv6 multicast routing daemon.

     rtadvd_enable
                 (bool) If set to ``YES'', run the rtadvd(8) daemon at boot
                 time.  rtadvd(8) will only run if ipv6_gateway_enable is also
                 set to ``YES''.  The rtadvd(8) utility sends router
                 advertisement packets to the interfaces specified in
                 rtadvd_interfaces and should only be enabled with great care.
                 You may want to fine-tune rtadvd.conf(5).

     rtadvd_interfaces
                 (str) If rtadvd_enable is set to ``YES'' this is the list of
                 interfaces to use.

     ipxgateway_enable
                 (bool) If set to ``YES'', enable the routing of IPX traffic.

     ipxrouted_enable
                 (bool) If set to ``YES'', run the IPXrouted(8) daemon at
                 system boot time.

     ipxrouted_flags
                 (str) If ipxrouted_enable is set to ``YES'', these are the
                 flags to pass to the IPXrouted(8) daemon.

     arpproxy_all
                 (bool) If set to ``YES'', enable global proxy ARP.

     forward_sourceroute
                 (bool) If set to ``YES'' and gateway_enable is also set to
                 ``YES'', source-routed packets are forwarded.

     accept_sourceroute
                 (bool) If set to ``YES'', the system will accept source-
                 routed packets directed at it.

     rarpd_enable
                 (bool) If set to ``YES'', run the rarpd(8) daemon at system
                 boot time.

     rarpd_flags
                 (str) If rarpd_enable is set to ``YES'', these are the flags
                 to pass to the rarpd(8) daemon.

     bootparamd_enable
                 (bool) If set to ``YES'', run the bootparamd(8) daemon at
                 system boot time.

     bootparamd_flags
                 (str) If bootparamd_enable is set to ``YES'', these are the
                 flags to pass to the bootparamd(8) daemon.

     stf_interface_ipv4addr
                 (str) If not set to ``NO'', this is the local IPv4 address
                 for 6to4 (IPv6 over IPv4 tunneling interface).  Specify this
                 entry to enable the 6to4 interface.

     stf_interface_ipv4plen
                 (int) Prefix length for 6to4 IPv4 addresses, to limit peer
                 address range.  An effective value is 0-31.

     stf_interface_ipv6_ifid
                 (str) IPv6 interface ID for stf(4).  This can be set to
                 ``AUTO''.

     stf_interface_ipv6_slaid
                 (str) IPv6 Site Level Aggregator for stf(4).

     ipv6_faith_prefix
                 (str) If not set to ``NO'', this is the faith prefix to
                 enable a FAITH IPv6-to-IPv4 TCP translator.  You also need
                 faithd(8) setup.

     ipv6_ipv4mapping
                 (bool) If set to ``YES'' this enables IPv4 mapped IPv6
                 address communication (like ::ffff:a.b.c.d).

     atm_enable  (bool) Set to ``YES'' to enable the configuration of ATM
                 interfaces at system boot time.  For all of the ATM variables
                 described below, please refer to the atm(8) man page for
                 further details on the available command parameters.  Also
                 refer to the files in /usr/share/examples/atm for more
                 detailed configuration information.

     atm_load    (str) This is a list of physical ATM interface drivers to
                 load.  Typical values are ``hfa_pci'' and/or ``hea_pci''.

     atm_netif_<intf>
                 (str) For the ATM physical interface 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 ``atm set netif intf'' command.

     atm_sigmgr_<intf>
                 (str) For the ATM physical interface intf, this variable
                 defines the ATM signalling manager to be used.  The value
                 will be passed as the parameters of an ``atm attach intf''
                 command.

     atm_prefix_<intf>
                 (str) For the ATM physical interface intf, this variable
                 defines the NSAP prefix for interfaces using a UNI signalling
                 manager.  If set to ``ILMI'', the prefix will automatically
                 be set via the ilmid(8) daemon.  Otherwise, the value will be
                 passed as the parameters of an ``atm set prefix intf''
                 command.

     atm_macaddr_<intf>
                 (str) For the ATM physical interface intf, this variable
                 defines the MAC address for interfaces using a UNI signalling
                 manager.  If set to ``NO'', the hardware MAC address
                 contained in the ATM interface card will be used.  Otherwise,
                 the value will be passed as the parameters of an ``atm set
                 mac intf'' command.

     atm_arpserver_<netif>
                 (str) For the ATM network interface 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 ``local'', this
                 host will become an ATMARP server.  The value will be passed
                 as the parameters of an ``atm set arpserver netif'' command.

     atm_scsparp_<netif>
                 (bool) If set to ``YES'', SCSP/ATMARP service for the network
                 interface netif will be initiated using the scspd(8) and
                 atmarpd(8) daemons.  This variable is only applicable if
                 atm_arpserver_<netif> is set to ``local''.

     atm_pvcs    (str) Set to the list of ATM PVCs to be added at system boot
                 time.  For each whitespace separated element in the value, an
                 atm_pvc_<element> variable is assumed to exist.  The value of
                 each of these variables will be passed as the parameters of
                 an ``atm add pvc'' command.

     atm_arps    (str) Set to the list of permanent ATM ARP entries to be
                 added at system boot time.  For each whitespace separated
                 element in the value, an atm_arp_<element> variable is
                 assumed to exist.  The value of each of these variables will
                 be passed as the parameters of an ``atm add arp'' command.

     natm_interfaces
                 (str) Set to the list of natm(4) interfaces that will also be
                 used for HARP through harp(4).  If this list is not empty all
                 interfaces in the list will be brought up with ifconfig(8)
                 and harp(4) will be loaded.  For this to work the interface
                 drivers must be either compiled into the kernel or must
                 reside on the root partition.

     keybell     (str) The keyboard bell sound.  Set to ``normal'',
                 ``visual'', ``off'', or ``NO'' if the default behavior is
                 desired.  For details, refer to the kbdcontrol(1) manpage.

     keyboard    (str) If set to a non-null string, the virtual console's
                 keyboard input is set to this device.

     keymap      (str) If set to ``NO'', no keymap is installed, otherwise the
                 value is used to install the keymap file in
                 /usr/share/syscons/keymaps/<value>.kbd.

     keyrate     (str) The keyboard repeat speed.  Set to ``slow'',
                 ``normal'', ``fast'', or ``NO'' if the default behavior is
                 desired.

     keychange   (str) If not set to ``NO'', attempt to program the function
                 keys with the value.  The value should be a single string of
                 the form: ``funkey_number new_value [funkey_number new_value
                 ...]''.

     cursor      (str) Can be set to the value of ``normal'', ``blink'',
                 ``destructive'', or ``NO'' to set the cursor behavior
                 explicitly or choose the default behavior.

     scrnmap     (str) If set to ``NO'', no screen map is installed, otherwise
                 the value is used to install the screen map file in
                 /usr/share/syscons/scrnmaps/<value>.

     font8x16    (str) If set to ``NO'', the default 8x16 font value is used
                 for screen size requests, otherwise the value in
                 /usr/share/syscons/fonts/<value> is used.

     font8x14    (str) If set to ``NO'', the default 8x14 font value is used
                 for screen size requests, otherwise the value in
                 /usr/share/syscons/fonts/<value> is used.

     font8x8     (str) If set to ``NO'', the default 8x8 font value is used
                 for screen size requests, otherwise the value in
                 /usr/share/syscons/fonts/<value> is used.

     blanktime   (int) If set to ``NO'', the default screen blanking interval
                 is used, otherwise it is set to value seconds.

     saver       (str) If not set to ``NO'', this is the actual screen saver
                 to use (blank, snake, daemon, etc).

     moused_nondefault_enable
                 (str) If set to ``NO'', the mouse device specified on the
                 command line is not automatically treated as enabled by the
                 /etc/rc.d/moused script.  Having this variable set to ``YES''
                 allows a usb(4) mouse, for example, to be enabled as soon as
                 it is plugged in.

     moused_enable
                 (str) If set to ``YES'', the moused(8) daemon is started for
                 doing cut/paste selection on the console.

     moused_type
                 (str) This is the protocol type of the mouse connected to
                 this host.  This variable must be set if moused_enable is set
                 to ``YES''.  The moused(8) daemon is able to detect the
                 appropriate mouse type automatically in many cases.  Set this
                 variable to ``auto'' to let the daemon detect it, or select
                 one from the following list if the automatic detection fails.

                 If the mouse is attached to the PS/2 mouse port, choose
                 ``auto'' or ``ps/2'', regardless of the brand and model of
                 the mouse.  Likewise, if the mouse is attached to the bus
                 mouse port, choose ``auto'' or ``busmouse''.  All other
                 protocols are for serial mice and will not work with the PS/2
                 and bus mice.  If this is a USB mouse, ``auto'' is the only
                 protocol type which will work.

                 microsoft           Microsoft mouse (serial)
                 intellimouse        Microsoft IntelliMouse (serial)
                 mousesystems        Mouse systems Corp. mouse (serial)
                 mmseries            MM Series mouse (serial)
                 logitech            Logitech mouse (serial)
                 busmouse            A bus mouse
                 mouseman            Logitech MouseMan and TrackMan (serial)
                 glidepoint          ALPS GlidePoint (serial)
                 thinkingmouse       Kensington ThinkingMouse (serial)
                 ps/2                PS/2 mouse
                 mmhittab            MM HitTablet (serial)
                 x10mouseremote      X10 MouseRemote (serial)
                 versapad            Interlink VersaPad (serial)

                 Even if the mouse is not in the above list, it may be
                 compatible with one in the list.  Refer to the man page for
                 moused(8) for compatibility information.

                 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, /dev/sysmouse, and
                 configure it as a ``sysmouse'' type mouse, since all mouse
                 data is converted to this single canonical format when using
                 moused(8).  If the client program does not support the
                 ``sysmouse'' type, specify the ``mousesystems'' type.  It is
                 the second preferred type.

     moused_port
                 (str) If moused_enable is set to ``YES'', this is the actual
                 port the mouse is on.  It might be /dev/cuad0 for a COM1
                 serial mouse, /dev/psm0 for a PS/2 mouse or /dev/mse0 for a
                 bus mouse, for example.

     moused_flags
                 (str) If moused_type is set, these are the additional flags
                 to pass to the moused(8) daemon.

     mousechar_start
                 (int) If set to ``NO'', the default mouse cursor character
                 range 0xd0-0xd3 is used, otherwise the range start is set to
                 value character, see vidcontrol(1).  Use if the default range
                 is occupied in the language code table.

     allscreens_flags
                 (str) If set, vidcontrol(1) is run with these options for
                 each of the virtual terminals (/dev/ttyv*).  For example,
                 ``-m on'' will enable the mouse pointer on all virtual
                 terminals if moused_enable is set to ``YES''.

     allscreens_kbdflags
                 (str) If set, kbdcontrol(1) is run with these options for
                 each of the virtual terminals (/dev/ttyv*).  For example,
                 ``-h 200'' will set the syscons(4) scrollback (history)
                 buffer to 200 lines.

     cron_enable
                 (bool) If set to ``YES'', run the cron(8) daemon at system
                 boot time.

     cron_program
                 (str) Path to cron(8) (default /usr/sbin/cron).

     cron_flags  (str) If cron_enable is set to ``YES'', these are the flags
                 to pass to cron(8).

     cron_dst    (bool) If set to ``YES'', enable the special handling of
                 transitions to and from the Daylight Saving Time in cron(8)
                 (equivalent to using the flag -s).

     lpd_program
                 (str) Path to lpd(8) (default /usr/sbin/lpd).

     lpd_enable  (bool) If set to ``YES'', run the lpd(8) daemon at system
                 boot time.

     lpd_flags   (str) If lpd_enable is set to ``YES'', these are the flags to
                 pass to the lpd(8) daemon.

     mta_start_script
                 (str) This variable specifies the full path to the script to
                 run to start a mail transfer agent.  The default is
                 /etc/rc.sendmail.  The sendmail_* variables which
                 /etc/rc.sendmail uses are documented in the rc.sendmail(8)
                 man page.

     dumpdev     (str) Indicates the device (usually a swap partition) to
                 which a crash dump should be written in the event of a system
                 crash.  The value of this variable is passed as the argument
                 to dumpon(8).  To disable crash dumps, set this variable to
                 ``NO''.

     dumpdir     (str) When the system reboots after a crash and a crash dump
                 is found on the device specified by the dumpdev variable,
                 savecore(8) will save that crash dump and a copy of the
                 kernel to the directory specified by the dumpdir variable.
                 The default value is /var/crash.  Set to ``NO'' to not run
                 savecore(8) at boot time when dumpdir is set.

     savecore_flags
                 (str) If crash dumps are enabled, these are the flags to pass
                 to the savecore(8) utility.

     enable_quotas
                 (bool) Set to ``YES'' to turn on user disk quotas on system
                 startup via the quotaon(8) command.

     check_quotas
                 (bool) Set to ``YES'' to enable user disk quota checking via
                 the quotacheck(8) command.

     accounting_enable
                 (bool) Set to ``YES'' to enable system accounting through the
                 accton(8) facility.

     ibcs2_enable
                 (bool) Set to ``YES'' to enable iBCS2 (SCO) binary emulation
                 at system initial boot time.

     ibcs2_loaders
                 (str) If not set to ``NO'' and if ibcs2_enable is set to
                 ``YES'', this specifies a list of additional iBCS2 loaders to
                 enable.

     linux_enable
                 (bool) Set to ``YES'' to enable Linux/ELF binary emulation at
                 system initial boot time.

     osf1_enable
                 (bool) Set to ``YES'' to enable OSF/1 (Digital UNIX) binary
                 emulation at system initial boot time.  (alpha)

     svr4_enable
                 (bool) If set to ``YES'', enable SysVR4 emulation at boot
                 time.

     sysvipc_enable
                 (bool) If set to ``YES'', load System V IPC primitives at
                 boot time.

     clear_tmp_enable
                 (bool) Set to ``YES'' to have /tmp cleaned at startup.

     ldconfig_paths
                 (str) Set to the list of shared library paths to use with
                 ldconfig(8).  NOTE: /usr/lib will always be added first, so
                 it need not appear in this list.

     ldconfig_paths_aout
                 (str) Set to the list of shared library paths to use with
                 ldconfig(8) legacy a.out(5) support.

     ldconfig_insecure
                 (bool) The ldconfig(8) utility normally refuses to use
                 directories which are writable by anyone except root.  Set
                 this variable to ``YES'' to disable that security check
                 during system startup.

     kern_securelevel_enable
                 (bool) Set to ``YES'' to set the kernel security level at
                 system startup.

     kern_securelevel
                 (int) The kernel security level to set at startup.  The
                 allowed range of value ranges from -1 (the compile time
                 default) to 3 (the most secure).  See init(8) for the list of
                 possible security levels and their effect on system
                 operation.

     sshd_program
                 (str) Path to the SSH server program (/usr/sbin/sshd is the
                 default).

     sshd_enable
                 (bool) Set to ``YES'' to start sshd(8) at system boot time.

     sshd_flags  (str) If sshd_enable is set to ``YES'', these are the flags
                 to pass to the sshd(8) daemon.

     usbd_enable
                 (bool) If set to ``YES'', run the usbd(8) daemon at boot
                 time.

     usbd_flags  (str) If usbd_enable is set to ``YES'', these are the flags
                 passed to the usbd(8) daemon.

     watchdogd_enable
                 (bool) If set to ``YES'', start the watchdogd(8) daemon at
                 boot time.  This requires that the kernel have been compiled
                 with a watchdog(4) compatible device.

     watchdogd_flags
                 (str) If watchdogd_enable is set to ``YES'', these are the
                 flags passed to the watchdogd(8) daemon.

     performance_cx_lowest
                 (str) CPU idle state to use while on AC power.  The string
                 ``LOW'' indicates that acpi(4) should use the lowest power
                 state available while ``HIGH'' indicates that the lowest
                 latency state (less power savings) should be used.

     performance_cpu_freq
                 (str) CPU clock frequency to use while on AC power.  The
                 string ``LOW'' indicates that cpufreq(4) should use the
                 lowest frequency available while ``HIGH'' indicates that the
                 highest frequency (less power savings) should be used.

     economy_cx_lowest
                 (str) CPU idle state to use when off AC power.  The string
                 ``LOW'' indicates that acpi(4) should use the lowest power
                 state available while ``HIGH'' indicates that the lowest
                 latency state (less power savings) should be used.

     economy_cpu_freq
                 (str) CPU clock frequency to use when off AC power.  The
                 string ``LOW'' indicates that cpufreq(4) should use the
                 lowest frequency available while ``HIGH'' indicates that the
                 highest frequency (less power savings) should be used.

     jail_enable
                 (bool) If set to ``NO'', any configured jails will not be
                 started.

     jail_list   (str) A space separated list of names for jails.  This is
                 purely a configuration aid to help identify and configure
                 multiple jails.  The names specified in this list will be
                 used to identify settings common to an instance of a jail.
                 Assuming that the jail in question was named vjail, you would
                 have the following dependant variables:

                 jail_vjail_hostname="jail.example.com"
                 jail_vjail_ip="192.168.1.100"
                 jail_vjail_rootdir="/var/jails/vjail/root"
                 jail_vjail_exec="/bin/sh /etc/rc"

                 The last one is optional.  It defaults to /etc/rc if it is
                 not set.

     jail_set_hostname_allow
                 (bool) If set to ``NO'', do not allow the root user in a jail
                 to set its hostname.

     jail_socket_unixiproute_only
                 (bool) If set to ``NO'', do not allow any protocol, besides
                 TCP/IP, to be used within a jail.

     jail_sysvipc_allow
                 (bool) If set to ``YES'', allow applications within a jail to
                 use System V IPC.

     unaligned_print
                 (bool) If set to ``NO'', unaligned access warnings will not
                 be printed.  (alpha)

     isdn_enable
                 (bool) Set to ``NO'' by default.  When set to ``YES'', starts
                 the isdnd(8) daemon at system boot time.

     isdn_flags  (str) Set to ``-dn -d0x1f9'' by default.  Additional flags to
                 pass to isdnd(8) (but see isdn_fsdev and isdn_ttype for
                 certain tunable parameters).

     isdn_ttype  (str) Set to ``cons25'' by default.  The terminal type of the
                 output device when isdnd(8) operates in full-screen mode.

     isdn_screenflags
                 (str) Set to ``NO'' by default.  The video mode for full-
                 screen mode (only for syscons(4) console driver, see
                 vidcontrol(1) for valid modes).

     isdn_fsdev  (str) Set to ``NO'' by default.  The output device for
                 isdnd(8) in full-screen mode (or ``NO'' for daemon mode).

     isdn_trace  (bool) Set to ``NO'' by default.  When set to ``YES'',
                 enables the ISDN protocol trace utility isdntrace(8) at
                 system boot time.

     isdn_traceflags
                 (str) Set to ``-f /var/tmp/isdntrace0'' by default.  Flags
                 for isdntrace(8).

     pcvt_verbose
                 (bool) Set to ``NO'' by default.  When set to ``YES'',
                 verbose messages about the actions done by the start script
                 are displayed.  Note: the pcvt(4) driver must be compiled
                 into the kernel before the pcvt(4) related options described
                 here take any effect.

     pcvt_keymap
                 (str) Set to ``NO'' by default.  Use this to configure a
                 national keyboard mapping found in the
                 /usr/share/misc/keycap.pcvt file of keyboard mappings.  (See
                 also the manual pages keycap(5) and keycap(3) for usage of
                 pcvt(4)'s keycap database and the manual page kcon(1) option
                 -m for national keyboard mapping configuration.)

     pcvt_keydel
                 (int) Set to ``NO'' by default.  Used to set the keyboard key
                 repeat delay value.  Valid values are in the range 0..3 for
                 delay values of 250, 500, 750 and 1000 msec.  (See also the
                 kcon(1) manual page.)

     pcvt_keyrate
                 (int) Set to ``NO'' by default.  Used to set the keyboard key
                 repetition rate value.  Valid values are in the range 0..31
                 for repetition values of 2..30 characters per second.

     pcvt_keyrepeat
                 (bool) Set to ``NO'' by default.  Set to ``YES'' to enable
                 automatic keyboard key repeating.

     pcvt_force24
                 (bool) Set to ``NO'' by default.  Set to ``YES'' to force
                 pcvt(4) to use 24 lines only (in 25 lines mode) for
                 compatibility with the original VT220 terminal.

     pcvt_hpext  (bool) Set to ``NO'' by default.  Set to ``YES'' to enable
                 the display and functionality of function key labels (as
                 found on Hewlett-Packard terminals such as the HP2392A and
                 the HP700/92 in ANSI mode).

     pcvt_lines  (int) Set to ``NO'' by default resulting in a value of 25.
                 Used to set the number of lines on the screen.  For VGA
                 displays, valid values are 25, 28, 40 and 50 lines.  (See
                 also the scon(1) manual page.)

     pcvt_blanktime
                 (int) Set to ``NO'' by default.  Used to set the screen saver
                 timeout in seconds for values greater than zero.

     pcvt_cursorh
                 (int) Set to ``NO'' by default.  Used to set the cursor top
                 scanline.  (See also the cursor(1) manual page.)

     pcvt_cursorl
                 (int) Set to ``NO'' by default.  Used to set the cursor
                 bottom scanline.

     pcvt_monohigh
                 (bool) Set to ``NO'' by default.  Set to ``YES'' to set
                 intensity to high on monochrome monitors.  (See also the
                 scon(1) manual page, option -p, for more information on
                 changing VGA palette values.)

     harvest_interrupt
                 (bool) Set to ``YES'' to use hardware interrupts as an
                 entropy source.  Refer to random(4) for more information.

     harvest_ethernet
                 (bool) Set to ``YES'' to use LAN traffic as an entropy
                 source.  Refer to random(4) for more information.

     harvest_p_to_p
                 (bool) Set to ``YES'' to use serial line traffic as an
                 entropy source.  Refer to random(4) for more information.

     entropy_dir
                 (str) Set to ``NO'' to disable caching entropy via cron(8).
                 Otherwise set to the directory used to store entropy files
                 in.

     entropy_file
                 (str) Set to ``NO'' to disable caching entropy through
                 reboots.  Otherwise set to the filename used to store cached
                 entropy through reboots.  This file should be located on the
                 root file system to seed the random(4) device as early as
                 possible in the boot process.

     entropy_save_sz
                 (int) Size of the entropy cache files saved by save-entropy
                 periodically.

     entropy_save_num
                 (int) Number of entropy cache files to save by save-entropy
                 periodically.

     ipsec_enable
                 (bool) Set to ``YES'' to run setkey(8) on ipsec_file at boot
                 time.

     ipsec_file  (str) Configuration file for setkey(8).

     dmesg_enable
                 (bool) Set to ``YES'' to save dmesg(8) to /var/run/dmesg.boot
                 on boot.

     rcshutdown_timeout
                 (int) If set, start a watchdog timer in the background which
                 will terminate rc.shutdown if shutdown(8) has not completed
                 within the specified time (in seconds).

     virecover_enable
                 (bool) Set to ``NO'' to prevent the system from trying to
                 recover pre-maturely terminated vi(1) sessions.

     ugidfw_enable
                 (bool) Set to ``YES'' to load the mac_bsdextended(4) module
                 upon system initialization and load a default ruleset file.

     bsdextended_script
                 (str) The default mac_bsdextended(4) ruleset file to load.
                 The default value of this variable is /etc/rc.bsdextended.

     ramdisk_units
                 (str) A list of one or more ramdisk units to configure with
                 mdconfig(8) and newfs(8) in time to be mounted from fstab(5).
                 Each listed unit X must specify at least a type in a
                 ramdisk_<X>_config variable.

     ramdisk_<X>_config
                 (str) Arguments to mdconfig(8) for ramdisk X.  At minimum a
                 -t type must be specified, where type must be one of malloc
                 or swap.

     ramdisk_<X>_newfs
                 (str) Optional arguments passed to newfs(8) to initialize
                 ramdisk X.

     ramdisk_<X>_owner
                 (str) An ownership specification passed to chown(8) after the
                 specified ramdisk unit X has been mounted.  Both the md(4)
                 device and the mount point will be changed.

     ramdisk_<X>_perms
                 (str) A mode string passed to chmod(1) after the specified
                 ramdisk unit X has been mounted.  Both the md(4) device and
                 the mount point will be changed.

FILES
     /etc/defaults/rc.conf
     /etc/rc.conf
     /etc/rc.conf.local

SEE ALSO
     catman(1), chmod(1), gdb(1), info(1), kbdcontrol(1), makewhatis(1),
     vi(1), vidcontrol(1), ip(4), kld(4), tcp(4), udp(4), exports(5), motd(5),
     newsyslog.conf(5), accton(8), amd(8), apm(8), atm(8), chown(8), cron(8),
     dhclient(8), ifconfig(8), inetd(8), isdnd(8), isdntrace(8), kldxref(8),
     lpd(8), mdconfig(8), mdmfs(8), mountd(8), moused(8), mrouted(8),
     named(8), newfs(8), nfsd(8), ntpd(8), ntpdate(8), pcnfsd(8),
     quotacheck(8), quotaon(8), rc(8), rc.sendmail(8), route(8), routed(8),
     rpcbind(8), rpc.lockd(8), rpc.statd(8), rwhod(8), savecore(8), sshd(8),
     swapon(8), sysctl(8), syslogd(8), timed(8), usbd(8), yp(8), ypbind(8),
     ypserv(8), ypset(8)

HISTORY
     The rc.conf file appeared in FreeBSD 2.2.2.

AUTHORS
     Jordan K. Hubbard.

FreeBSD 11.0-PRERELEASE         March 12, 2005         FreeBSD 11.0-PRERELEASE

NAME | DESCRIPTION | FILES | SEE ALSO | HISTORY | AUTHORS

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