安装
sudo yum install fail2ban
sudo apt-get
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install fail2ban
服务状态
systemctl status fail2ban
systemctl restart fail2ban
查看敏感日志：
sudo tail -f /var/log/fail2ban.log
检查 fail2ban 状态
fail2ban-client status
fail2ban-client status sshd
解锁 ip
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问题记录
Failed during configuration: Have not found any log file for sshd jail #3567
From other point of view it is a configuration issue and can be surely simply fixed using:
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With other words:
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