So when you are working on a production workload and something is not right with the network on that Windows VM, what do you do? Wireshark to the rescue? well no… not quite, I wouldn’t install that on a production server since it installs WinPcap/NpCap which is an NDIS filter driver on the network card. Secondly, […]
Network Packet Trace with Netsh and analysis with Wireshark Read More »
Yesterday Microsoft released into public preview the premium sku of their Azure Firewall which is a managed PaaS based firewall service in Azure. Since I first wrote about Azure Firewall and some of the features, I found lacking there have been a lot of enhancements (here is the original article –> Current limitations with Azure Firewall
Azure Firewall Premium vs Third-Party Firewalls Read More »
The last couple of weeks I’ve been busy preparing for upcoming webinars/conferences, and therefore I want to mention that tomorrow I’ll be presenting at the Nordic Virtual Summit. Which is a IT pro based event Nordic Virtual Summit – A virtual IT Pro Community Event! * On Wednesday I’ll be talking about Security and Governance (with
Speaking at NVSummit 2021 and MYCUGC Read More »
s straight Last week, there was published an article from NETSCOUT Microsoft Remote Desktop Protocol (RDP) Reflection/Amplification DDoS Attack Mitigation Recommendations – January 2021 | NETSCOUT that publicly available RDP servers were used to do amplified DDoS attacks. From the article “When enabled on UDP/3389, the Microsoft Windows RDP service may be abused to launch UDP reflection/amplification
RDP DDoS amplification attack Read More »
As I’ve been recently working with a project where we were looking into where to place our databases in Azure and what kind of services or IaaS based delivery, we should choose for hosting databases for some certain line of business applications. Within Azure we have three different managed Microsoft SQL offerings, but which one
Latency and difference between SQL Managed Instance and SQL Server VM? Read More »
DaaS (Desktop as a Service) has seen a lot of uptake now during COVID-19, where organizations are moving from use of traditional VDI deliveries, going to a fully managed desktop as a service from the main vendors such as Citrix, Nutanix, VMware or others. As also described here in this ZDnet article –> https://www.zdnet.com/article/microsofts-cloud-pc-leak-reveals-new-details-on-upcoming-azure-powered-remote-desktop/ Microsoft is working
Cloud PC the evolution of Windows Virtual Desktop? Read More »
I’ve been wanting to write this for a while. With more and more organizations now using Log Analytics services in Azure because of usage together with Azure Sentinel, using Desktop Analytics or just for diagnostics for PaaS services that are running in Azure. I’ve seen a lot of organizations just setting up multiple Log Analytics
Deep dive Azure Monitor and Log Analytics Read More »
Last week I encountered a lot of unknown traffic aimed at our of Citrix ADC / NetScalers at one of our customers, first I was thinking that someone has managed to compromise our instance, but early findings didn’t see anything. Microsoft also reported that there was a lot of unknown traffic going outbound on UDP
Citrix NetScaler DDoS and deep dive DTLS protocol Read More »
I was working with one of our customers the other day and they were in the process of planning their IT-strategy for 2021 and asked me, what should we focus on in 2021 or what can you see from the crystal ball on where the technology is taking us in 2021? This question made me
Technology predictions for 2021 Read More »
Everything can be found with Wireshark! I was recently involved in a scenario where I was tasked at troubleshooting why some features were not working in Azure, related to traffic flow between a service in Azure and virtual machine on-premises. For those that are used to “Cisco” troubleshooting or network troubleshooting, moving that knowledge to Azure
Troubleshoot Networking in Microsoft Azure Read More »
