by George Chrysovaladis Grammatikos | Oct 27, 2025 | Azure, Networking, Security
In today’s cloud era, securing cloud-hosted resources is important. In particular, Azure Cloud offers a security service called Azure Firewall that helps you control and monitor traffic in your Azure resources. This post outlines the key steps to configure your...
by George Chrysovaladis Grammatikos | Oct 3, 2025 | Azure, Network, Security
This article outlines one of the many ways to implement Azure Front Door, emphasising best practices and key considerations to ensure a successful deployment. As is known, Azure Front Door operates at Layer 7, which is the Application Layer. It means that it...
by George Chrysovaladis Grammatikos | Jul 27, 2025 | Azure, Compute
Here’s how to load a PEM private key into PuTTYgen, convert it to a PPK file, and set up PuTTY so you can connect to your Linux virtual machine with SSH key authentication. Step 1. Load the PEM Key in PuTTYgen Open PuTTYgen. At the top of the window, click File, then...
by George Chrysovaladis Grammatikos | Jul 25, 2025 | Azure, Compute, Networking
In this post, I will provide a guide on how to troubleshoot your Azure Function if it doesn’t function properly. Disclaimer: The instructions presented in this article are informed by my own experiences and the solutions I implemented while navigating similar...
by George Chrysovaladis Grammatikos | Jun 21, 2025 | Azure, Networking, Power Apps, Power Automate, Power Pages, Power Platform
There is a growing discussion around security, with a strong emphasis on ensuring customer service safety while minimizing exposure on the public internet. To address this critical need, Virtual Network support has been introduced, allowing the use of Azure VNet...
by George Chrysovaladis Grammatikos | May 8, 2025 | Azure, Networking
Hiya! Security is one of the most important topics when the discussion comes to the cloud. As an Azure architect with over a decade of experience, I’ve used most of Azure’s security features, including Service endpoints, which I’ll discuss in this...
