Once you have successfully enrolled in 2FA, you are able to use any of the following authentication options.
|Duo Mobile App for Smartphone||Two Options for 2nd Factor:
Free download from device’s App Store for phone or tablet
|Hard Token (Yubikey)||
Available at Patriot Tech for $35
Codes are free and one-time use only. Unused codes expire after one year. For instructions for generating and printing a list of codes, see How to Request a Bypass Code (Non-Emergency)
Smartphone with Duo App
Push-Login attempt sends a message to your smartphone; push Approve button.
One Time Passcode—Generate a single-use code; enter it into the 2FA login window. Note: passcodes generated through the Duo Mobile app do not require you have data or wireless internet connection on your device.
- Generating a Duo Mobile Passcode
- Using the Duo Mobile App Passcode (Web Applications)
- Using the Duo Mobile App Passcode (VPN)
Yubikey (USB device for generating codes)
Plug it into the USB slot; press the button when prompted; a code will be auto-populated in the 2FA login window.
- How to Set Up & Enroll a Yubikey
- Using the Yubikey with Web Applications
- Using the Yubikey with Cisco AnyConnect VPN
Yubikeys are available for purchase at Patriot Tech and online retailers. All Yubikeys that support One-Time Password (OTP) authentication are compatible with Duo 2FA. A list of available Yubikeys is available on the Yubico website.