fail2ban

Scans log files and bans IPs showing malicious signs

brewmacoslinux

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Scan log files and ban IPs showing malicious signs

fail2ban-clientfail2ban-serverfail2ban-regex

Start the fail2ban service$ fail2ban-client start

Check status of all jails$ fail2ban-client status

Test a regex pattern against log files$ fail2ban-regex /var/log/auth.log 'failregex_pattern'