All
.NET
AD CS
AD DS
AD FS
Amazon Web Services (AWS)
Atlassian
Azure Arc
BGP
Blazor Server
brief
C#
Cheat Sheets
Dell PowerEdge
DevOps
E-Mail
Exchange
Failover Clustering
Fax Server
FreeBSD
General
Google Cloud
Hype-Jargon
Hyper-V
IBM X3650
IEEE 802.11 WLAN
Infrastructure as Code (IaC)
IPv4 | IPv6
Kubernetes
Let's Encrypt
Linux
Logical Volume Manager (LVM)
Microsoft 365 (Office 365)
Microsoft Azure
Microsoft Defender
Microsoft Entra
Microsoft Intune
Microsoft Teams
Monitoring
Network File System (NFS)
Networks
OAuth2.0
OpenID Connect
Oracle Linux
pfSense
PKI
Postfix
PostgreSQL
PowerShell
Python
Red Hat
SAML 2.0
SAP
Security
Session Border Controller (SBC)
SLES
SQL Server
Storage
Sysinternals
System Center
TLS/SSL
Ubuntu
VEEAM
Virtual Machine Manager (VMM)
Visual Studio
VMware vSphere
VPN
Web server
Windows
X.509 PKI
How to enable Remote Desktop by using Group Policies
In enterprise environments, enabling Remote Desktop manually on multiple machines can be time-consuming. Instead, Group Policies (GPOs) provides a centralized...
The Utilman.exe Hack combined with Windows Safe Mode to bypass XDR Solutions like CrowdStrike’s Falcon Sensor or Microsoft Defender for Servers
In this post I will show step by step the Utilman.exe hack on Windows Servers they protected by either CrowdStrike‘s...
Set up Microsoft Entra Connect
Managing user identities across on-premises and cloud environments is critical for ensuring secure access and a smooth user experience. Integrating...
Set up Split-Brain DNS in Active Directory
In this post we will see how we can set up split-brain DNS for Active Directory integrated DNS server and...
What is Multicast DNS (mDNS) and how does it work?
Multicast DNS (mDNS) is a protocol used in network environments to resolve hostnames to IP addresses within small networks without...
Impact of DNS Primary Suffix and DNS Suffix Search List on the DNS Name Resolution
In this post I want to show what impact the DNS primary suffix and the DNS suffix search list had...