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Howtoforge published a tutorial about installing Fail2Ban on CentOS 8 and Fedora 33.



How to Install and Configure Fail2Ban on CentOS 8 and Fedora 33

Fail2Ban is a log parsing utility that scans log files of various processes and bans IP addresses that make too many password failures. 



How to Install and Configure Fail2Ban on CentOS 8 and Fedora 33