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Securing Azure AD with Duo 2FA

Duo has been one of the most common MFA solutions I’ve worked with over the past 5 years and most clients who have this as their MFA solution for on-premise services such as ADFS, tend to ask whether they can also use it for Azure

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Duo MFA login prompt does not show up after successfully authenticating username and password with Citrix ADC / NetScaler Citrix Gateway

Problem You’ve completed configuring a Citrix Gateway with Duo MFA as described in the following configuration documentation: Duo for Citrix Gateway Basic Primary Authentication https://duo.com/docs/citrix-netscaler However, you notice that authenticating through the portal does not display the Duo 2FA prompt as expected: Note how only

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Securing Microsoft ADFS on Windows Server 2019 with Duo Authentication MFA

As a continuation of the AD FS deployment from two of my previous posts: Deploying a redundant Active Directory Federation Services (ADFS) Web Application Proxy servers on Windows Server 2019 https://blog.terenceluk.com/2020/04/deploying-redundant-active-directory_21.html Deploying a redundant Active Directory Federation Services (ADFS) farm on Windows Server 2019 https://blog.terenceluk.com/2020/04/deploying-redundant-active-directory.html

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