Linux Hint published a tutorial about setting up Fail2ban to protect from different attacks.

How to Setup an IPS (Fail2ban) to Protect from Different Attacks

IPS or Intrusion Prevention System is a technology used in network security to examine network traffic and prevent different attacks by detecting malicious inputs. IPS are placed just behind the firewall, and they can send alarms, drop malicious packets and block offending IP addresses. How to Setup an IPS (Fail2ban) to Protect from Different Attacks is explained in this article.

How to Setup an IPS (Fail2ban) to Protect from Different Attacks – Linux Hint