Various malicious bots or human-attackers may be trying to get access to your server over SSH. In this article I will explain how to secure your server against SSH brute-force attacks with fail2ban on CentOS.
If you are looking for instructions for Ubuntu, Debian or Linux Mint, see my other post.
fail2ban is a special software that is installed on a server to block intruders’ IP addresses after exceeding configured amount of failed login attempts. (more…)