Reading Time: 3 minutes Use Azure network security group to filter network traffic to and from Azure resources in an Azure virtual network. Essentially NSGs act like a basic “firewall” in that it filters the traffic in and out of the perimeter of the resources associated with.
Azure Application Security Groups
Reading Time: 3 minutes Application security groups enable you to configure network security as a natural extension of an application’s structure, allowing you to group virtual machines and define network security policies based on those groups.
Back to school: IPv4 addressing
Reading Time: 5 minutes There are times that we need to step back and have a look at the basics again. It happens so often that we use calculators for everything that we need these days and sometimes we forget how wonderful it is to write down on a piece of paper while trying to figure out the beauty of bits that give life to the networks and of course the internet.
A simple TCP listener just for fun …and work.
Reading Time: < 1 minute From time to time it comes to a point that you have to put a host somewhere and then you or someone else needs to check if the host on a specific port is accessible. I coded a simple utility that does just that.
Unified Network Monitoring with new a richer Azure Network Watcher!
Reading Time: 2 minutes Azure Network Watcher is a great tool to identify any bottlenecks in your Azure network and you can use it to report any anomalies in your environment. The new Connection Monitor of Azure Network Watcher provides end-to-end unified monitoring between Azure regions, hybrid scenarios, and multi-cloud scenarios!