FreeBSD Security Level

To see your current security level, use:
sysctl kern.securelevel

To modify your security level, change the level in /etc/rc.conf and reboot. The variables are:

• kern_securelevel
• kern_securelevel_enable

-1 - no security

0 - low security

1 - normal securiy

2? - high

3? - extreme

Good man pages to look at include:

• init(8)
• sysctl(8)