update: 2024-06: ed25519 is currently “the way to go” update: 2024 GNU Linux howto ssh sshd config hardening security guide https://www.openssh.com https://github.com/openssh it is ALWAYS a good idea to use ssh -v for enhanced debugging-output-info messages. SSH might use one … Continue reading GNU Linux ssh – generate public private keys of 8192Bits (RSA) or better update to new Ed25519 method