Topics Map > Do-IT Yourself > Network > VPN
Two-factor Authentication (Duo) and VPN
Duo Security is a two-factor authentication service that provides additional security for access to university and personal data and accounts. Duo offers several options for authenticating users: a mobile push notification, one-button verification of identity to a smartphone, as well as voice and SMS verification. Duo will be required when using VPN to access university resources.
Duo Mobile Authentication
Duo Mobile is a two-factor authentication service that can be utilized for systems that require an additional layer of security such as Esther, VPN and NetID login.

Getting Started with Duo
All about Duo: Learn all you can do with Duo including managing and enrolling devices as well like using the authentication service while traveling.
Install VPN Client Software
Rice University uses the Duo Authentication service in order to protect VPN access to Rice systems. The following are the installation links for the AnyConnect VPN Client. Campus login is required for all of these softwares.
- AnyConnect for Windows
- AnyConnect for Mac
- AnyConnect for Red Hat Linux
- AnyConnect for iOS
- AnyConnect for Android