Nicola Delfino • 9/1/2025

Azure Private Endpoint Routing in Hub-and-Spoke Networks: Understanding the hidden behavior

This technical article analyzes a puzzling Azure networking scenario where a Private Endpoint in a hub-and-spoke topology bypasses expected routing rules. It details the root cause: Private Endpoints create implicit routes on all peered VMs, allowing traffic to flow outside designed paths. The article provides a solution using route tables and firewall policies to regain centralized traffic control.

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#networking #Azure #Private Endpoint