- You can register a Yubico U2F token using the Duo Portal:
- U2F tokens only function with supported web browsers
- Create backup codes:
- You can generate and save 2 non-expiring backup codes.
- You are urged to write these down and place in a safe location or save into a password vault.
- To use a backup code after rebuilding your (or getting a new) phone:
- Install the DUO app on your phone
- On a computer, go to: https://duo.security.ncsa.illinois.edu
- Launch Device Management Portal
- Click the "Enter a Passcode" button
- Enter your backup code and then click "Login"
- NCSA can provide a Duo hardware token: