Sometimes strange things happen: A computer can communicate with another computers, although this should not be possible due to IP addressing and the routing table. Proxy ARP comes into play …
What is Proxy ARP?
Cyber Security: Installing Microsoft Advanced Threat Analytics (ATA) version 1.8
Microsoft Advanced Threat Analytics (ATA) is a platform that enables you to protect your infrastructure from cyber attacks. ATA is using a parsing engine to capture network traffic of protocols such as […]
PowerShell: Notify me when someone is added to the Administrator Group
Will you be notified when there are changes to group memberships? No? Memberships in groups are particularly interesting. Especially if it is the group of the domain administrators. The following article shows […]
Windows Bluescreen: How to check the memory dump file with WinDbg
In most cases a blue screen is caused by hardware or driver failure. In this article I show how to find out the cause of the blue screen by using the tool […]
Microsoft Azure: Connect to your VM from everywhere, any time and from every device with PowerShell Web Access
Administering your Azure VM on your Samsung Galaxy or iPhone? Introduced with Windows Server 2012, PowerShell Web Access is a new Windows Server feature which enables you to administer your Windows Server […]
Microsoft Azure: Connect to your Azure VM with PowerShell (AzureRM)
I’ve been thinking about it for a long time. What schould I do with my new Azure computer? Surely I’ll come up with something over time. But for now I still don’t […]
Microsoft Azure: How to create an Azure VM and connect via Remote Desktop
Azure can be tried out for free for a short period. For me it’s the first time I’m playing with Microsoft Azure. Last week I used my subscription to create my first […]
Active Directory Flexible Single-Master (FSMO) in Action
What if a domain controller fails? Operations Masters have special tasks which must be performed by Domain Controllers in an Active Directory domain. If a Domain Controller fails, this special role must […]
PowerShell: Alert me, if a Domain-Controller is down
There is more than enough monitoring software around. Most of them are really helpful and superbly done. For those who don’t have such software at hand, there are only 2 options: to do […]
Mein Blog (Teil 6): Microsoft Most Valuable Professional (MVP)
Es war ein Donnerstag, 06:15. Du sitzt gemütlich mit einem Kaffee auf deiner Couch und siehst die Neuigkeiten der Nacht durch. Schon halb am Weg ins Bad liest du die Vorschau einer […]
Test-Port: Use PowerShell as a Port Scanner
Long time ago I’ve created a small function that acts like a port scanner. It’s not a replacement for enterprise scanners such as nmap, but it’s quite useful for quick tests when […]
