FREE: PhoneFactor – Mobile phone based two-factor authentication
By Justin Shin | 1 Comment | PermalinkPhoneFactor offers an easy to implement and inexpensive solution for IT groups that want to implement two-factor mobile phone based authentication without the overhead of physical tokens and licensing.
PhoneFactor is free for up to 25 users and reasonably priced after that. The beauty of PhoneFactor is that it utilizes something users already have – a mobile phone – as a token rather than a proprietary device.
PhoneFactor Agent, the software behind the service, acts as a RADIUS server for authentication to network resources such as a VPN. When a user attempts authentication, he will still first be prompted for a user name and password. After he enters those details, the service will place a call to his phone and require the user to answer the call and press the “#” button. Once this is completed, the user is successfully authenticated.
In this tutorial we will install the Agent on Windows Server 2008 R2, integrate with Active Directory, link a few user accounts, and set up a RADIUS server.
Getting started
You can download the PhoneFactor Agent after registering here. You will need a mobile phone to register since PhoneFactor utilizes their own system on their customer portal. Run the installer and launch the PhoneFactor Agent. You will be greeted by the Authentication Configuration Wizard, where you can:




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