Install Fail2Ban on Ubuntu Server
In this guide we will install fail2ban on your ubuntu server to further improve system protection
offer a great out of the box protection against malicious authentication attemps, it integrates seamlessly with your system logs to detect and ban offending IPs, and it does this by adding firewall rules to the tools already in place.
Install Fail2Ban
Like all packages on Ubuntu, we install fail2ban using apt:
sudo apt install fail2banEnable and start the service
# enable sstart of fail2ban on system boot
sudo systemctl enable fail2ban
# start fail2ban now
sudo systemctl start fail2banCheck the status of the service
You can check the status of the service.
sudo systemctl status fail2banStop the service temporarily
This will stop the service until the next reboot, or until you explicitly starts it again.
sudo systemctl stop fail2banRestart the service
This will restart the service, use this if you changed any configuration related to fail2ban
sudo systemctl restart fail2banDisable the service from starting on boot
This will stop the service from running on system boot, but will not stop the currently running service.
sudo systemctl disable fail2ban