Azure Networking Blog

Summary: Regulated companies impose stringent requirements on data governance to prevent data exfiltration. As a Cloud Architect, ensuring the safe and efficient exit of data from our network to external…

Today, Azure Load Balancer distributes incoming traffic across healthy backend pool instances. It accomplishes this by using health probes to send periodic requests to the instances and check for valid…

We’re thrilled to announce that Azure Load Balancer now supports health event logs! These new logs are published to the Azure Monitor resource log category LoadBalancerHealthEvent and are intended to…

Contents Overview Context What changes are happening? ExpressRoute Virtual Network Gateway Azure Virtual WAN (VWAN) VWAN Hub-to-Hub - Same Virtual WAN parent resource VWAN Hub-to-Hub - Different Virtual WAN parent…

As Microsoft Azure continues to evolve to accommodate its expanding user community, we are pleased to release a groundbreaking offering in response to developer feedback and demands: the new Bastion…

We are thrilled to share that last week during the ONE Summit North America, we launched Paraglider as an open source project under the Linux Foundation.   Paraglider is the result of…

Prologue - The creation of a new proxy with Linux, Rust, and OSS In this introductory blog to the new Azure Front Door next generation platform, we will go over…

What will you learn in this blog? What is Azure Virtual Network Manager’s UDR management feature? How UDR management simplifies route settings How you can automate routing behavior for the…

Azure Network Watcher provides network monitoring and troubleshooting capabilities to increase observability and actionable insights. Network Watcher supports four main scenarios: Connectivity Monitoring detects packet loss and latency, built-in health…

What is virtual WAN? Azure Virtual WAN is a NAAS (networking as a service) to enable simplified global transit networking architecture that brings many networking, security, and routing functionalities together…

Azure Network Watcher provides network monitoring and troubleshooting capabilities to increase observability and actionable insights with out-of-box health metrics & topology visualization, connectivity  monitoring, traffic monitoring and diagnostics suite. For…

Virtual Wan Traffic Flow Scenarios   This guide offers an exploration of the essential elements related to vWAN traffic flows, including their significance in shaping flow topology patterns. At the…

Microsoft Azure ExpressRoute lets you extend your on-premises networks into the Microsoft Cloud over a private connection with the help of a connectivity provider. With ExpressRoute, you can establish connections to…

Problem statement: While Azure Application Gateway probes backend health and reports the status, it does not log failed health probe requests. These logs if stored can help you to diagnose…

Context   Azure Virtual WAN (vWAN) simplifies large-scale branch connectivity by optimizing routing using the Microsoft global network for connectivity of branch offices, on-premises data centers and Azure Cloud resources.…

In this article, we will explore the concept of hair-pinning, also referred to as MSEE hair-pinning. This involves a process where traffic from a VNET, connected via an ExpressRoute circuit,…

The reuse of DNS names is a common requirement for cloud customers, as applications and services may need to be upgraded or migrated while still having the ability to deploy…

For a vast majority of Application Gateway customers, multi-site hosting and path-based routing options are all you need to expose your applications to the world. In the simplest terms, you…

Dynamic Host Configuration Protocol (DHCP) is a network protocol used to dynamically assign IP addresses and other network parameters to devices on a network.         HOW DHCP WORKS…

Scope No breaking news here, just an illustrated recap of the recommendations and attention points highlighted here and there in the Microsoft ExpressRoute documentation. This article focuses on ExpressRoute Private Peering only, to…

  /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Aptos",sans-serif; mso-ascii-font-family:Aptos; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Aptos; mso-hansi-theme-font:minor-latin;} table.MsoTableGrid {mso-style-name:"Table Grid"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0;…

Introduction Organizations adopting Microsoft Azure strive for a balance between providing application teams with the freedom to innovate while maintaining the security posture of the organization. Azure Virtual Network Manager provides Security Admin…

Introduction DNS is one of the most essential networking services, next to IP routing. A modern hybrid cloud network may have various sources of DNS: Azure Private DNS Zones, public…

Introduction Machine learning (ML) is a branch of artificial intelligence that enables computers to learn from data and make predictions or decisions. ML applications often require access to large amounts…

Prerequisites: Before diving into the implementation, make sure you have the following in place: An active Azure subscription. An existing Azure Virtual WAN environment. A contributor role to create the…

As you may recall, we announced back on November 8, 2022, Azure Front Door (classic, standard, premium SKU), Azure CDN Standard from Microsoft (classic) would no longer support domain fronting…

Over the past couple of months, the Microsoft C++ team reached out to a series of customers voting on a suggestion ticket asking for Remote Linux Unit Testing support to better understand…

  One of the key features of Azure Application Gateway is TLS termination. Terminating TLS (HTTPS traffic) on the application gateway resource, which acts as a reverse proxy, allows you…

This article was co-authored by @aimeelittleton and @brianlehr  While there are multiple methods for obtaining explicit outbound connectivity to the internet from your virtual machines on Azure, there is also one method for…

Introduction   This article introduces an approach to connect IPv6 devices to Azure IoT Hub.   Azure IoT Hub Azure IoT Hub is a crucial component in the Internet of…

Azure Application Gateway now supports HTTP/3 QUIC. As part of private preview, Application Gateway users can create HTTP/3 enabled Listeners which can support either of HTTP/1.1 or HTTP/2 along with…

Introduction   Before diving into Azure DNS Private Resolver (ADPR), let's go back in time a little bit, to understand its value. Before ADPR, companies that had to deal with…

Do you know the difference between SNI and HTTP host headers ? It is sometimes very confusing. I think we should properly understand these technologies if we bulid a website…

Today, we are so excited to announce the general availability of Azure cross-region Load Balancer in all Azure public and national cloud regions. Since the preview, this product has been…

As part of Azure Firewall continues strive to improve its troubleshooting capabilities, we have recently announced New flow logs and latency metrics. Today, we are happy to announce the general…

We're excited to see Azure Firewall's growing popularity and the positive feedback we are getting from the market. That's why we're pleased to let you know that Azure firewall Standard…

In November of 2022, we launched the zero downtime migration tool in public preview and received a lot of feedback and interest from our users. We truly appreciate your participation…

As customers bring sophisticated, high-performance workloads into Azure, there is a critical need for increased visibility and control over the operational state of complex networks running these workloads. Multi-cloud and…

Hi,   I have blogged many maps to describe the Azure landscape. These have proven helpful and I've received a lot of positive feedback about them. The networking piece in…

I have already written a few articles on AKS, so feel free to have a look at them as I will not repeat what I've already written there. For the…

As the cloud continues to evolve, your work as a network engineer will only get more stimulating—and challenging. Your role overseeing your company’s computer infrastructure is as demanding as it…

Production deployments of Kubernetes continue to soar as customers increasingly containerize their applications. With the growth in application modernization customers are looking to rapidly scale their Kubernetes deployments by building…

Hi,   Azure networking can sometimes give headaches. Here are a few tips which may make your life easier.   1. Private link effect - episode 1 - route tables…

Azure Virtual Network Manager AVNM is a one-stop-shop for managing the connectivity and security of virtual networks, or VNets, at scale. In this guide, we’re going to focus on the…

  Azure Application Gateway is a web traffic load balancer that works on Layer 7 of the OSI model and enables you to manage traffic for your web applications. It…

If you are using Azure Application Gateway as Layer 7 WAF for End to End SSL connectivity , you might have come across Certificate related issues most of the times.…

Since I started working for the "Cloud Giants" some 7 years ago I have been on a journey. This journey always involves changing as much technology in my house to…

Update The code out on GitHub has been enhanced by Craig Thacker to add support for Terraform, so that you can use it to automate the creation of subnets and…

    Migrate an existing Standard SKU Azure Firewall to Premium SKU   If you have an existing Azure Standard Firewall and are looking to move forward with upgrading it…

Hey folks Hope you had a chance to check out the IaaS event on-demand video : https://info.microsoft.com/ww-landing-azure-iaas-day.html?ocid=AID3041475_QSG_552301. We are excited to share the content (pptx) here. You can also check…