Security Archives - cloudopszone.com

Configure Azure Firewall to Access an Azure VM

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...

An Approach for Implementing Azure Front Door

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...

Exploring Azure Firewall Policies

by George Chrysovaladis Grammatikos | Jun 7, 2024 | Azure, Identity + Security, Security

Intro Cloud infrastructure security is increasingly important in today’s corresponding digital landscape. As cloud computing continues to grow, businesses are leveraging platforms such as Microsoft Azure to host their applications and data. It is, however,...

Azure App Registration: Extend Secret Expiration Date

by George Chrysovaladis Grammatikos | Jun 5, 2024 | Azure, General, Identity, Security

An Azure registered app to be used as a secure client needs to have certificates and/or client secrets. In the distant past (until about three years ago), there was the “Never” option for the Secrets to expire. Nowadays, the long expiration value that can...

Azure Firewall: Filter Traffic via Policy DNAT

by George Chrysovaladis Grammatikos | May 5, 2024 | Azure, Networking, Security

Any organization must ensure that Azure resources, such as virtual machines, remain secure. This is provided by Microsoft through the Azure Firewall offering. Useful terms Azure Firewall Using Azure Firewall, you can protect your Azure VNet resources using a managed,...

FrontDoorWebApplicationPolicy could not be deleted

by George Chrysovaladis Grammatikos | Mar 30, 2023 | Azure, Identity + Security, Security

This post focuses on a common error message that occurs during an Azure FrontDoor Web Application policy deletion. Problem You will probably notice that sometimes when you try to delete an Azure FrontDoor Web Application policy, you receive the following error...

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