Tobias Zimmergren • 8/5/2021

Enforce authentication when sending Application Insights telemetry

This article provides a step-by-step guide on configuring Azure Application Insights to require authentication for telemetry ingestion. It covers disabling local authentication in the Azure Portal, verifying the configuration via ARM template export, and assigning the Monitoring Metrics Publisher role to identities. The post also demonstrates how to write and run code to send authenticated telemetry, verify ingestion using Fiddler, and test both successful and failed authentication scenarios. This is a technical tutorial relevant to IT professionals working with Azure monitoring and security.

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#authentication #telemetry #Azure