HowTo: Install and Configure Fail2Ban

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Fail2ban is an intrusion prevention software framework that protects computers from brute-force attacks. It scans log files and bans IP addresses that show malicious signs, such as, too many password failures. Fail2Ban then updates firewall rules to reject the IP addresses for a specified amount of time, although any arbitrary other action (e.g. sending an email) could also be configured.

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