Key-Only Login

SSH-Config

nano /etc/ssh/sshd_config

Wichtige Einstellungen

PasswordAuthentication no
ChallengeResponseAuthentication no
UsePAM no
PermitRootLogin prohibit-password
PermitEmptyPasswords no
Protocol 2
LoginGraceTime 60
MaxAuthTries 3
X11Forwarding no

SSH neustarten:

systemctl restart sshd