As you might already know, there are a couple of ways of filtering traffic in Azure Virtual Networks: Network Security Groups (NSGs) and Azure Firewall. NSGs offer unlimited performance for Layer 4 filtering, while Azure Firewall is more powerful with features like deep packet inspection or application-level intelligence. However, even if these solutions follow a … Continue reading Combining Azure Firewall and Flow Log analysis
Today I came across a concept while not being too new in Azure, I had not met before: Private Link Scopes. This is something that specific services do, more concretely Azure Arc and Azure Monitor (see here for the official docs on how to configure this for Azure Monitor). In the case of the latter, … Continue reading Private Link and Azure Monitor: what is an AMPLS?
If you work in Azure, you probably know about Connection Monitor, a tool that generates synthetic traffic to test connectivity and measure response times. You configure sources (Virtual Machines) to generate traffic that can be addressed to destinations such as other Virtual Machines or any external endpoint outside of Azure. Alerts can be automatically generated … Continue reading Test like a champ with Azure Connection Monitor
You probably know Azure Log Analytics: a log repository and analysis system in Azure Monitor able to process millions of logs with queries that produce results in multiple formats, such as tables or charts. Before I start, a brief note about nomenclature: Azure Log Analytics used to be an Azure service of its own, optionally … Continue reading Sending Log Analytics tables and charts per email with a Logic App
You probably know what Azure Service Map is: a service that can analyze traffic in your data center and display application dependencies. This can be extremely useful for different purposes, such as deciding which VMs can be moved to the public cloud, and in which order. This picture shows a screenshot of the type of … Continue reading Azure Service Map REST API samples
OK, you have found this great new Azure Service. It does all you ever wanted, so after deciding you are going to use it in production, the next question pops up: how to monitor it? The first immediate answer is that what Azure Monitor is there for! Which begs for the next question: what can … Continue reading From Zero to Hero with Azure Monitor and custom dashboards