Beware Of The Default Rules In Network Security Groups

The Network Security Group (NSG) is the primary mechanism for segmenting a subnet in Microsoft Azure. NSGs are commonly implemented. Unfortunately, people assume quite a bit about NSGs, and I want to tackle that by explaining why you need to be aware of the default rules in Network Security Groups.

…

20/02/2025 Article Bloggers Aidan Finn

Share:

You may be interested in

Azure Back To School 2024 – Govern Azure Networking Using Azure Virtual Network Manager
This post about Azure Virtual Network Manager is a part of the online community event, Azure Back To School 2024. In this post, I will discuss how you can use…
28/08/2024
Azure Infrastructure Announcements – October 2023
October is the month of ghosts and monsters – Halloween (Samhain as we Celts originally called it). Read on to find out what ghouls and creatures crawled from under the…
01/11/2023
Building A Hub & Spoke Using Azure Virtual Network Manager
In this post, I will show how to use Azure Virtual Network Manager (AVNM) to enforce peering and routing policies in a zero-trust hub-and-spoke Azure network. The goal will be…
07/07/2025
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
What Happens When An Azure Region Is Destroyed?
This is a topic that has been “top of mind” (I sound like a management consulting muppet) recently: how can I recover from an Azure region being destroyed? Why Am…
31/01/2025
How Many Subnets Do I Need In An Azure Virtual Network?
You’re designing a new virtual network in Azure. You’re going to have three different security zones in your application. How many subnets do you need? I will help you understand…
21/02/2025
Importing Azure Resource To Terraform State After Timed Out Pipeline
This article will explain how to simply import a resource that was successfully deployed by Terraform from a GitHub action or DevOps pipeline that timed out into your state file.…
27/02/2023
The Evolution of My Company, Cloud Mechanix
Exciting News: Cloud Mechanix is Evolving! I’m thrilled to announce the relaunch and transformation of Cloud Mechanix into a full-service Azure consulting company. For the past 7 years, Cloud Mechanix…
30/06/2025
Day Two Devops – Azure VNets Don’t Exist
I had the pleasure of chatting with Ned Bellavance and Kyler Middleton on Day Two DevOps one evening recently to discuss the basics of Azure networking, using my line “Azure…
28/05/2025
Azure WAF and False Positives
This post will explain how to override false positives in the (network) Azure Web Application Firewall (WAF), without compromising security, using one of four methods in combination with a tiered…
28/06/2023
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 – July 2023
Many people in Europe take the month of July off for vacation so they would have missed out on an unusually busy few weeks of announcements for Microsoft. This post…
30/08/2023