pkg install py27-fail2ban nano
cd /usr/local/etc/fail2ban
cp jail.conf jail.local
sysrc fail2ban_enable="YES"
sysrc firewall_enable="YES"
sysrc firewall_type="open"
service fail2ban restart
nano fail2ban.local
Fail2ban SSH Port 22 (7 Days Banntime)
[ssh]
ignoreip = 127.0.0.1
enabled = true
port = ssh
filter = sshd
action = bsd-ipfw[table=22]
logpath = /var/log/auth.log
bantime = 3600
findtime = 3600
maxretry = 3