An organization wants to ensure that all their Azure App Service web apps are only accessible via their centralized Azure Front Door instance. What is the most secure way to enforce this restricted access?

Direct Answer (Verified)Reviewed by Sunny (Senior Cloud Engineer)

Correct Answer: Configure 'Access Restrictions' in the App Service to only allow the Front Door service tag and verify the X-Azure-FDID header

By checking the unique Front Door ID in the header, you ensure that traffic not only comes from the Azure network but specifically from YOUR Front Door instance....

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Real Exam ScenarioAzure Application Gateway

An organization wants to ensure that all their Azure App Service web apps are only accessible via their centralized Azure Front Door instance. What is the most secure way to enforce this restricted access?

โœ“ Correct Answer & ExplanationAzure Application Gateway

Correct Answer

Configure 'Access Restrictions' in the App Service to only allow the Front Door service tag and verify the X-Azure-FDID header

Why This Answer Is Correct

By checking the unique Front Door ID in the header, you ensure that traffic not only comes from the Azure network but specifically from YOUR Front Door instance.

๐Ÿ“š What This Question Tests

This question evaluates your knowledge of Azure Application Gateway โ€” a core concept tested in Microsoft Certified: Azure Solutions Architect Expert (AZ-305). Understanding Azure Application Gateway is essential for designing scalable, secure, and cost-effective cloud architectures. Mastery of this topic will help you answer scenario-based questions confidently on exam day.