Guía de hardening para servidores
De TechShareRoom wiki
Más acciones
Cambiar puerto ssh
Configuración recomendada
sudo nano /etc/ssh/sshd_config
Port XX #any different to 22, IMPORTANT open port before!
PermitRootLogin no
PasswordAuthentication no
PubkeyAuthentication yes
MaxAuthTries 3
LoginGraceTime 30#Refrescar
systemctl daemon-reload
systemctl restart ssh.socket