/etc/crontab - root's crontab for FreeBSD
$FreeBSD$
SHELL=/bin/sh
PATH=/etc:/bin:/sbin:/usr/bin:/usr/sbin
#minute hour mday month wday who command
#*/5 * * * * root /usr/libexec/atrun
Save some entropy so that /dev/random can re-seed on boot.
#*/11 * * * * operator /usr/libexec/save-entropy
Rotate log files every hour, if necessary.
#0 * * * * root newsyslog
Perform daily/weekly/monthly maintenance.
#1 3 * * * root periodic daily
#15 4 * * 6 root periodic weekly
#30 5 1 * * root periodic monthly
Adjust the time zone if the CMOS clock keeps local time, as opposed to
UTC time. See adjkerntz(8) for details.
#1,31 0-5 * * * root adjkerntz -a
pfSense specific crontab entries
Created: July 24, 2018, 8:39 pm
1,31 0-5 * * * root /usr/bin/nice -n20 adjkerntz -a
1 3 1 * * root /usr/bin/nice -n20 /etc/rc.update_bogons.sh
*/60 * * * * root /usr/bin/nice -n20 /usr/local/sbin/expiretable -v -t 3600 sshlockout
*/60 * * * * root /usr/bin/nice -n20 /usr/local/sbin/expiretable -v -t 3600 webConfiguratorlockout
1 1 * * * root /usr/bin/nice -n20 /etc/rc.dyndns.update
*/60 * * * * root /usr/bin/nice -n20 /usr/local/sbin/expiretable -v -t 3600 virusprot
30 12 * * * root /usr/bin/nice -n20 /etc/rc.update_urltables
1 0 * * * root /usr/bin/nice -n20 /etc/rc.update_pkg_metadata
*/5 * * * * root /usr/local/bin/vnstat -u
1 0 * * * root /bin/pkill -HUP -F /var/run/bandwidthd.pid
If possible do not add items to this file manually.
If done so, this file must be terminated with a blank line (e.g. new line)
Hope it helps you!