= Linux install ssh
/via: [[https://community.hetzner.com/tutorials/securing-ssh]]
Protocol 2 # disables protocol 1
LoginGraceTime 30 # tiempo disponible para teclear usuario y contraseƱa
AllowTcpForwarding no # Disables port forwarding.
X11Forwarding no # Disables remote GUI view.
AllowAgentForwarding no # Disables the forwarding of the SSH login.
MaxAuthTries 2
MaxSessions 5
AllowUsers fidmag
ClientAliveInterval 300 # Timeout por inactividad
ClientAliveCountMax 1 # cliente ssh que no responde
PermitRootLogin no
sudo sshd -t # test configuration
sudo systemctl restart sshd