In this post, I will explain why Azure’s software-defined networking (virtual networks) differs from the cable-defined networking of on-premises networks. Background Why am I writing this […]
This post is about using either Network Rules or Application Rules in Azure Firewall for internal traffic. I’m going to discuss a common scenario, a “problem” […]
Microsoft recently announced a public preview of User-Defined Route (UDR) management using Azure Virtual Network Manager. I’ve taken some time to play with it, and here […]
Have you wondered why an Azure subnet with no route table has so many default routes? What the heck is 25.176.0.0/13? Or What is 198.18.0.0/15? And […]
I have recently expanded my SDWAN in hub-and-spoke networks design guide to include SDWAN-to-firewall routing. Initially I didn’t have this point, but recent conversations have made […]
In this post, I want to discuss how one should design network security in Microsoft Azure, dispensing with past patterns and combatting threats that are crippling […]