Fail2ban ssh

Hydra installieren

• apt install hydra

brute Force auf den Rechner

• hydra -l xinux -P bad-passwords 10.0.10.104 ssh

sshd in fail2ban aktivieren

• sed -ie "/^\[sshd\]/aenabled = true" jail.local

fail2ban neustarten

• systemctl restart fail2ban

Status checken

• fail2ban-client status sshd