Hardware token for Cloudflare two-factor authentication


Cloudflare supports two-factor authentication using standard TOTP protocol. Therefore, Token2 programmable hardware tokens are fully compatible with Cloudflare two-factor authentication system and can be used as an alternative to the mobile authenticator app, or as one of the backup methods.

Requirements

  • A Cloudflare account with a Super Administrator privilege
  • A Token2 programmable token 
  • An Android device with NFC*  - this is needed for the enrollment only, subsequent logins will only require the hardware token
  • TOKEN2 NFC Burner app*  
[* Windows version is also available, but this guide will use Android as an example]


To enable two-factor authentication for your Cloudflare login:

  • Log in to the Cloudflare dashboard.
  • Under the My Profile dropdown, click My Profile.
  • Click the Authentication tab. 
  • Scroll down to the Two-Factor Authentication section and click to toggle it to On

    Hardware token for Cloudflare two-factor authentication

  • Once 2FA is set to "On", the following page with a QR code will pop up
  • Launch the NFC burner app on your Android device and hit the "QR" button
  • Point the camera to the QR code shown on the account page. Upon a successful QR scan, the camera window should disappear
  • Turn on the token and touch it with your phone (make sure it is overlapped by the NFC antenna) and click "Connect" on the app
  • Upon successful connection, click the "Burn seed" button. If NFC link is established and the code is correctly scanned, you should see a status window showing "Burning..." and eventually (in a second or two), "burn seed successful.." message in the log window


  • After completing the burning process, turn the token display off and turn it on again
  • Enter the code generated by your hardware token to the Cloudflare 2FA popup windows (Field #3, "Enter the code from your authenticator app"), then your account password and click "Next"
    Hardware token for Cloudflare two-factor authentication

  • The enrollment is now complete


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