BastilleBSD 
SYNOPSIS
bastille config [-x] set|add PROPERTY [VALUE]
bastille config [-x] get|remove PROPERTY
DESCRIPTION
The bastille config sub-command will modify targeted jail(s) configuration and get, set, add or remove properties.
EXAMPLES
Set allow.mlock inside myjail:
# bastille config myjail set allow.mlock 1
Set to priority value of myjail:
# bastille config myjail set priority 10
Set the boot value:
# bastille config myjail set boot off