HowtoMatrix

In this article I will show how to install and configure fail2ban
on a Fedora 9 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 rule.

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