#secure ssh

How to install fail2ban on CentOS 6 and 7

I will show you how to install fail2ban on centos 6 and centos 7 to protect SSH brute force attacks. There are many ways to protect SSH server, I guess the best way is to use ssh-keys authentication rather than regular password authentication. I have also written a long detailed article How to install, config and secure openssh server. In that article I have shown you several ways to secure ssh…