There are several methods you can use while abroad to authenticate using two-step login. In order to register a device for use with two-step login when traveling, you will need to either have no devices registered or an existing device registered that has Duo Mobile installed. Additional methods are outlined below.

Traveling Abroad Two-Step Login Options

Duo Mobile app

Register your mobile device (smart phone or tablet) and install Duo Mobile prior to traveling abroad. You can generate a passcode using Duo Mobile without having an internet connection. If Internet access is available, Duo Push is an easy method of authenticating to two-step login.

Note: The Google Play Store cannot be accessed from China. Those with Android devices will need to already have Duo Mobile installed before arriving or to use one of the other authentication methods outlined below.

YubiKey/U2F token

A YubiKey/U2F token allows you to authenticate to two-step login from anywhere without having internet access or using Duo Mobile. Simply plug the YubiKey/U2F token into the computer via USB/USB-C.

SMS Passcodes

Before going abroad, you can text yourself a batch of ten passcodes for one-time use. Keep them with you in case you cannot access any of your devices. To use a passcode, click on the green “Enter a Passcode” button in the two-step login frame in your browser. Then click on “Text me new codes” in the blue bar. Each time you use the passcode method for two-step login, the first digit of the next code in the series will be shown in the blue bar.

Passcodes are valid for six months.

Temporary Bypass Code

You may request a temporary bypass code that can be used to register a mobile phone, landline, or other device after arriving at your destination.

Request a temporary bypass code by contacting the Help Desk at help@lafayette.edu or (610) 330-5501.

Setting up Two-Factor Login Abroad

Registering Your Devices for Two-Step Login

Visit Two-Step Login and follow the steps in Enrolling in Two-Step Login. It is important to register more than device, including one you will continue to have access to after arriving on campus.

ITS recommends using SMS passcodes or a YubiKey/U2F token to ensure continued access to your Lafayette accounts. Prior to traveling to campus from locations abroad, you can send yourself a batch of passcodes via SMS (see Two-Step Login for more information).

Installing Duo Mobile

The Duo Mobile app can be added to any smart phone or tablet following the instructions found on Two-Step Login under the Installing Duo Mobile section.

Note: The Google Play Store cannot be accessed from China. Those with Android devices will need to already have Duo Mobile installed before arriving or to use one of the other authentication methods outlined below.

Phone Callback Method

Another authentication method for two-step login is phone callback. Note that phone callback does not work with phone numbers having country code +82. Those with devices having that number are still able to use Duo Mobile or SMS passcodes.