Vielen Dank für Ihre Unterstützung: https://paypal.me/SemperVideo http://www.patreon.com/sempervideo?ty=c http://flattr.com/profile/SemperVideo http://amzn.to/28YoGFh grep 'authentication failures' /var/log/auth.log apt-get install fail2ban nano /etc/fail2ban/jail.conf [ssh] enabled = true port = ssh filter = sshd logpath = /var/log/auth.log bantime = 3600 maxretry = 3