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Articles

Field notes from Azure projects: networking, Infrastructure as Code, identity, cost and the tools in between. In English or German, newest first.

2026

04 Aug
Apply Tenant Restrictions with Azure Firewall
Use the Azure Firewall Header Insertion to secure your environment against accessing foreign tenants.
NetworkingEN
26 Mar
Hub-Deployment mit Azure Verified Modules
Ein Hub-and-Spoke-Netzwerk in Azure mit einem AVM-Pattern-Modul aufbauen: Adressplanung, Firewall Policy und Firewall-Regeln Schritt für Schritt.
Infrastructure as CodeDE

03 Dec
Santa Claus' Cloud-Powered Christmas: Optimizing Deliveries with Azure Multi-Hub Deployments 🎅🎄🎁
Festive Tech Calendar 2024: connecting regional Azure hubs in a full mesh while keeping spokes isolated, with careful IP planning and simple route tables.
NetworkingEN

04 Oct
Outbound Internet Access for Azure VMs - your options
Since Microsoft is retiring default outbound connectivity for Azure Virtual Machines, we should have a look at the other options.
NetworkingEN
03 Jul
Find Azure RBAC Roles with specific permissions
How to find the best fitting Azure RBAC role for a job by searching the role assignment dialog for a specific permission.
Identity & GovernanceEN

07 Sept
Erste Schritte mit Azure Bicep 💪
Die Grundlagen von Azure Bicep 0.1: Parameter, Variablen, Ressourcen und Ausgaben, und wie aus einer Bicep-Datei ein ARM-Template wird.
Infrastructure as CodeDE
02 Mar
Save money using Azure Hybrid Benefit for your VMs
How to activate Azure Hybrid Benefit for Windows Server VMs, how to find out which VMs use it and how many VMs you may activate it for.
CostEN
18 Feb
Export your Azure inventory as CSV files
A PowerShell script that exports your Azure inventory as one CSV file per subscription, including a separate file for marketplace resources.
Tooling & WorkshopsEN
17 Feb
What are the default security settings for an Azure VNet?
An Azure VNet has no security settings of its own, but the NSGs on its subnets come with default rules, and port 25 is blocked by default.
NetworkingEN
12 Feb
4 useful sites for your next Azure Workshop
Four nicely done websites I use during my Azure workshops: Azure Charts, Azure Speed, azureprice.net and the AAD Application Proxy Port Check.
Tooling & WorkshopsEN

Looking for SharePoint? The SharePoint archive keeps 12 posts from 2016 and 2017, as they were.