How to Install Fail2Ban to Protect SSH on CentOS/RHEL 8 | Linux Today
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How to Install Fail2Ban to Protect SSH on CentOS/RHEL 8

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Tecmint
Oct 9, 2019

Fail2ban is a free, open-source and widely used intrusion prevention tool that scans log files for IP addresses that show malicious signs such as too many password failures, and much more, and it bans them (updates firewall rules to reject the IP addresses). By default, it ships with filters for various services including sshd.
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Tecmint

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