"In this article I will show how to install and configure
fail2ban on a Debian Etch system. Fail2ban is a tool that observes
login attempts to various services, e.g. SSH, FTP, SMTP, Apache,
etc., and if it finds failed login attempts again and again from
the same IP address or host, fail2ban stops further login attempts
from that IP address/host by blocking it with an iptables firewall
Some of the products that appear on this site are from companies from which QuinStreet receives compensation. This compensation may impact how and where products appear on this site including, for example, the order in which they appear. QuinStreet does not include all companies or all types of products available in the marketplace.