fail2ban for Ubuntu Server 14.04

Installation of fail2ban

sudo apt-get install fail2ban

Back up the default configuration file and make changes to new.conf

sudo cp /etc/fail2ban/jail.conf /etc/fail2ban/kim.conf
sudo nano /etc/fail2ban/kim.conf

Change setting according to your liking

maxretry = incorrect login attempts before getting banned

Destemail = to receive ban email notification

MTA = email program

Enabled = true or false (turn on services you want fail2ban to monitor)

Apply changes

sudo service fail2ban restart

Verify new changes and take a look at your IP table

sudo fail2ban-client get ssh bantime
sudo iptables -L

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