Default Outbound Access For VMs In Azure Will Be Retired

Microsoft has announced that the default route, an implicit public IP address, is being deprecated 30 September 2025.

Background

Let’s define “Internet” for the purposes of this post. The Internet includes:

The actual Internet.

Azure services, such as Azure SQL or Azure’s KMS for Windows…

12/10/2023 Article Bloggers Aidan Finn

Share:

You may be interested in

Designing Network Security To Combat Modern Threats
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 businesses today. The Past…
07/03/2024
Microsoft Ignite 2023 – I Will Not Be Attending
Microsoft Ignite 2023 has been announced as a hybrid event. Let me explain why I have no interest in attending in person or taking part digitally. Technical Education One of…
07/09/2023
Your Azure Migration Project Is Doomed To Fail
That heading is a positive way to get your holiday spirit going, eh? I’m afraid I’m going to be your Festive Tech Calendar 2022 Grinch and rain doom and gloom…
03/12/2022
Getting Private Endpoints To WORK In The Real World
In this Festive Tech Calendar post, I am going to explain how to get Private Endpoints working in the real world. Thank you to the team that runs Festive Tech…
29/12/2023
Referencing Private Endpoint IP Addresses In Terraform
It is possible to dynamically retrieve the resulting IP address of an Azure Private Endpoint and use it in other resources in Terraform. This post will show you how. Scenario…
16/03/2023
The Digital Intern – Early Experience with Microsoft Copilot
I will share my early experiences with Microsoft Copilot, the positives and negatives, clear up some false expectations, and explain why I think of Generative AI as a digital intern.…
03/11/2023
Azure Firewall Basic – For Small/Medium Business & “Branch”
Microsoft has just announced a lower cost SKU of Azure Firewall, Basic, that is aimed at small/medium business but could also play a role in “branch office” deployments in Microsoft…
04/10/2022
Why Are There So Many Default Routes In Azure?
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 why are they routing…
20/05/2024
Azure & Oracle Cloud Interconnect
This post will explain how you can connect your Azure network(s) with Oracle Cloud Infrastructure (OCI) via the Oracle Cloud Interconnect. Background Many mid-large organisations run applications that are based…
19/02/2024
Azure Infrastructure Announcements – August 2023
This post brings you a summary of the infrastructure announcements from Azure that were made during August 2023. There are lots of announcements from Storage and a few interesting notes…
01/09/2023
Cosmos DB Replicas With Private Endpoint
This post explains how to make Cosmos DB replicas available using Private Endpoint. The Problem A lot of (most) Azure documentation and community content assumes that PaaS resources will be…
17/08/2023
E: Could Not Open File /var/lib/apt/lists
In this post, I’ll show how I solved a failure, that occurred during an Azure Image Builder (Packer) build with a Ubuntu 20.04 image, which resulted in a bunch of…
24/03/2023