Preventing Brute Force Attacks with Fail2Ban

If you have FTP or SSH server exposed to internet with static IP, then you may face issue of Brute Force Attack on your FTP or SSH server. In this article, we will learn how to secure our FTP or SSH server from Brute Force Attack

To detect unusual or changed or higher SSH Port

Many times people change their SSH default port i.e. 22. They modify it to any other port.Then if you want to detect modified SSH port with Nmap regular options, it wont able to get that.So to detect port use below command: nmap -T Aggressive -A -v <IP of Machine to be scanned>