fail2ban

Шпаргалка

• sudo fail2ban-client status jail'ы
• sudo fail2ban-client status sshd забаненные
• sudo fail2ban-client set sshd unbanip 1.2.3.4 разбан
• sudo fail2ban-regex /var/log/auth.log sshd тест фильтра
• jail.local: bantime, findtime, maxretry, ignoreip, backend