Application Gateway for Containers: a not-so-gentle intro (2)
Have you ever have the feeling that something that should be easy turns into a mine field when you start working on it? I seem to be a specialist in…
10/03/2025
Do not let ExpressRoute, VPN and SDWAN traffic bypass your firewall
I have recently expanded my SDWAN in hub-and-spoke networks design guide to include SDWAN-to-firewall routing. Initially I didn’t have this point, but recent conversations have made me realize that not everybody understand this.
The main difficulty in this topic is related to the fact that you cannot inspect the…
25/03/2024 Article Bloggers Jose Moreno
You may be interested in
Interregional traffic in hub-and-spoke
In Azure you have two main ways of managing your virtual network connectivity: self-managed hub-and-spoke and Virtual WAN. Virtual WAN is a solution where Microsoft manages part of your virtual…09/12/2024VNet Flow Logs Recipes (part 2): fine-tune your security rules
Right when VNet Flow Logs were launched I blogged about some recipes that help to extract insights out of the different information fields contained in the Flow Logs. After working…08/04/2025Private Link reality bites: Azure Firewall app rules
Welcome to the fourth post in the Private Link Reality Bites series! Before we begin, let me recap the existing episodes of the series: Private Link reality bite #1: endpoints…10/02/2025Deploy (Azure) Network-as-Code as a champ
Virtually every expert out there recommends following an Infrastructure-as-Code approach to manage Azure Networks, and even more so when dealing with traffic segmentation features such as firewall rulesets and network…08/06/2023Application Gateway for Containers: a not-so-gentle intro (4)
This post will explore the new support in Azure Application Gateway for Containers (AGC) for the overlay network option in Azure Kubernetes Service (AKS) as documented in https://aka.ms/agc/overlay, as well…02/04/2025ExpressRoute traffic visibility: Flow Logs or Traffic Collector?
You might have heard about VNet Flow Logs, I posted about this new Azure feature here. One of the applications of VNet Flow Logs is to gain visibility into traffic…25/06/2024You want to use AS-path as your virtual hub routing preference
Wow, that was a long title. Let me give you another one: if you haven’t tested your High Availability (HA) or Disaster Recovery (DR) plans, you shouldn’t rely on them.…02/05/2023Going beyond 8 peers in Azure Route Server
After a good while without posting anything, I finally decided to slowly recommence again. This first post is about a little BGP trick that may help you increase the scale…22/09/2025Azure Subnet Peering
First of all, my apologies for the radio silence, there have been some private projects going on during the Summer months that have kept me away from blogging. With that…01/10/2024Is Computer Networking too complex?
This question has been bothering me for quite some time now. Other technology areas constantly look to reduce complexity: take for example one of the most difficult fields out there,…11/08/2023Get certificates with Azure Key Vault extension to your Linux VMs
Certificate management is one of those IT disciplines that is nobody’s dream, and still it can have quite a dramatic (negative) impact in your web presence if not done properly,…18/09/2023