Core: SSH with keys only

Switch password authentication off for a UNIX user, and SSH accepts keys only. One switch per user, and a guessed or leaked password no longer gets anyone in.

  • One switch per user

    Switch password authentication for SSH off, separately for every UNIX user.

  • Access with SSH keys only

    Once it is off, SSH accepts nothing but SSH-key authentication for that user.

  • Additional SSH check

    Disable password authentication per UNIX user to enforce SSH access with keys. Core also uses health checks to verify that the SSH firewall is sufficiently locked down.

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William David Edwards
FounderPlan an introduction