Ways to pass DUO 2FA


DUO_push.png

Applies to

Students, Staff, Project and Other Accounts

 

Solution

You may use any method below to pass DUO 2FA. However, if you cannot see the DUO Authentication Page quoted at the top, please use Method 6 to pass DUO 2FA.

 

  1. Approve DUO push with your device
  2. Approve DUO push with other registered device
  3. Enter Passcode from DUO Mobile App
  4. Enter Passcode from Hardware Token
  5. Enter Bypass Code from DUO 2FA Portal
  6. Enter Passcode together with Onepass password

 

Approve DUO push with your device

  1. When your account has only one device enrolled and the mobile device has network. Please approve the DUO push on device to proceed.
    2FA_approve.png

 

Approve DUO push with other registered device

  1. When there are multiple devices enrolled in DUO 2FA, please click Other Options at DUO authentication page.

    DUO_push_Other_Option.png

  2. Choose which device you would like to send DUO push to.

    DUO_Mobile_alt_devices.png

  3. The device chosen will receive a prompt of DUO push

    DUO_push_notification.png

  4. Click Approve to proceed the 2FA.

    2FA_approve.png

 

Enter Passcode from DUO Mobile App

  1. When you see the below DUO Push authentication page.  Click Other Options.

    DUO_push_Other_Option.png

  2.  Choose Duo Mobile passcode.

    DUO_Other_Options_DUOMobile_passcode.png

  3.  Open DUO Mobile App and click on your registration record.

    DUO_Mobile_App_Passcode.png

  4. Then you will see 6 digits passcode.

    DUO_Mobile_App_Passcode_2.png

  5. Use the passcode and enter it into the field and click Verify

    other_option_passcode_DuoMobileApp.png


Enter Passcode from Hardware Token

  1. When you see the below DUO Push authentication page.  Click Other Options.

    DUO_push_Other_Option.png
  2. Choose Hardware token to proceed.

    DUO_Other_Options_hardwareToken.png

  3. Take out your registered hardware token and press on the switch to retrieve a 6-digit passcode.

    hwtoken.png

  4. Then enter the passcode into the field and click Verify.

    other_option_passcode_hwToken.png

 

Enter Bypass Code from DUO 2FA Portal

  1. Bypass Code can be used for 20 times within 12 hours. To generate a bypass code at DUO 2FA Portal (https://duo.itsc.cuhk.edu.hk), you can
    1. use your CU Link (for staff / student account)
    2. use Rescue Code (for any account)

  2. Please use the Bypass Code to get pass DUO 2FA.

Enter Passcode together with OnePass Password

 

Note:  This method is not applicable for changing password - please enter your old password, and you will be prompted to respond to 2FA by entering a code.

 

  1. Before login, take out your registered hardware token and press on the switch to retrieve a 6-digit passcode.

    hwtoken.png

    OR, you can also obtain the 6-digit passcode by opening DUO Mobile App and clicking to expand the related account

    DUO_Mobile_App_Passcode.png
    DUO_Mobile_App_Passcode_2.png

    OR, you can also obtain a bypass code from DUO 2FA portal.

  2. You can input the 6-digit passcode / bypass code at where you input your OnePass password. Simply append a comma and the 6-digit passcode /  bypass code after your OnePass password. And then, hit the login button.

 

#2FA #passcode #hardware token #DUO push