Internet is a very insecure place where anytime your server can get attacked, if not secured well. A brute force attack is one such attack that tries to login to your server by repeated password guessing attempts.
While the ideal way to prevent a brute force attack is to disable access to that service totally, it is not feasible in a public web hosting server which can get access from all over the world.
It is practically impossible to manually allow or deny each IP, from the whole range of IP addresses. That’s when a brute force protection tool becomes relevant. (more…)