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 […]
PowerShell: Alert me, if a Domain-Controller is down
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 […]
How to download files via PowerShell (Start-BitsTransfer)
To download files from the Internet you can use the graphical interface or a command from the PowerShell module BitsTransfer. In this blog post, I show how to download files with Windows […]
PowerShell Functions: How to create your first PowerShell Module Command
Easy as can be. It’s not a rocket science to create your first PowerShell command in and save it as a module. Maybe your colleagues will get big eyes when you present […]
PowerShell Security: Enabling Transcription Logging by using Group Policy
In one of my previous posts “PowerShell: Documenting your work with Start-Transcript” I’ve described how to manually configure PowerShell Transcripting by using the command Start-Transcript. In this article I show how to […]
Discovering temporary IPv6 Global-Unicast Addresses (Privacy Extensions) with PowerShell
In this article I would like to enlight the purpose of temporary IPv6 addresses. By default, automatic IPv6 setup of Link-Local Addresses is activated on each IPv6 enabled device. This makes IPv6 […]
Display only Folders that a User has Access: Configuring Access Based Enumeration on Windows Server 2012/2016
Access based enumeration enables you to configure advanced display options for shared folders. If a user is mapped to a network drive and this network drive has the Access Based Enumeration Feature […]
How does HTTPS (SSL) encryption works?
Most of us use https. Almost every communication is secured and encrypted with https. In this article I would like to discuss the HTTPS process in more detail and what role certificates […]
Cyber Security: VLAN Double Tagging (Hopping) Attacks explained
VLANs are used for Layer 2 logical segmentation. Each VLAN forms its own broadcast domain. Communication between VLANs is only possible by a router, such as a Layer 3 Switch or a […]
PowerShell: Encrypt and Decrypt Data by using Certificates (Public Key / Private Key)
There are many encryption and decryption tools around. PowerShell is a Windows built-in tool and you can use it for cryptography as well. In this blog post I am going to play […]
Overview: Microsoft Certifications for Windows Server 2016 (MTA, MCSA, MCSE)
In this blog post, I am going to shed some light on the new Windows Server 2016 Microsoft certifications. Much has changed and, following the general trend in education, it seems !? […]
Survey: What do you like about sid-500.com?
After some discussions with colleagues they convinced me, against my humble opinion so far, that my blog has made a really rapid start. That makes me happy, but actually I don’t know much […]
How to digitally sign PowerShell Scripts
In this article, a certificate for a digital signature is created to digitally sign files with Windows PowerShell. A digital certificate is usually issued by a Certification Authority (CA). But in this […]
The new netstat: Playing with Get-NetTCPConnection
For some reason, I don’t like netstat. Never did. Fortunately PowerShell provides a similar command to netstat: Get-NetTCPConnection. Let’s discover the options of this command in form of this blog post.
My name is Patrick Gruenauer. From Austria.
SID-500.COM 