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Considerations

  • These docs are not the only way to accomplish the goal nor are YubiKeys the only way to accomplish password-less authentication however the further you deviate from these docs the less knowledge ITS has to assist you.
  • The OS requires a lock on the YubiKey. If using multiple computers, even if a computer is virtual, multiple devices will be needed – one device per instance of the OS.
    • A YubiKey can be passed through RDP session(s) (Windows only)
  • Each device will have a different certificate. A certificate can, however, be used for access to both Linux and Windows servers.
  • Expert mode: While a YubiKey (i.e. a Yubico device) is not required, the docs and process are assuming a YubiKey is being used. Any device that can securely generate and store keys in a way that can be cryptographically verified will work.

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