install fail2ban from slackbuilds.org

copy jail.conf to jail.local

<code>cp /etc/fail2ban/jail.conf /etc/fail2ban/jail.local</code>

open jail.local

<code>nano /etc/fail2ban/jail.local</code>

scroll down to the section [SSHD]


[sshd]

To use more aggressive sshd modes set filter parameter "mode" in jail.local:

-normal (default), 

-ddos, 

-extra or 

-aggressive (combines all).

See "tests/files/logs/sshd" or "filter.d/sshd.conf" for usage example and details.
mode   = normal

<code>logpath = /var/log/secure
backend = auto
enabled = true
port = ssh 2200
filter = sshd
maxretry = 2
findtime = 300
bantime = 86400
ignoreip = 127.0.0.1 192.168.0.*</code>