X11Forwarding no HostKey /etc/ssh/ssh_host_ed25519_key HostKeyAlgorithms ssh-ed25519 PubkeyAcceptedKeyTypes ssh-ed25519 Ciphers aes256-gcm@openssh.com MACs -* PasswordAuthentication no PermitRootLogin no KerberosAuthentication no GSSAPIAuthentication no Banner /etc/issue.net