All
.NET
AD DS
AD FS
Amazon Web Services (AWS)
Atlassian
BGP
Blazor Server
brief
C#
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
Microsoft 365 (Office 365)
Microsoft Azure
Microsoft Defender
Microsoft Entra
Microsoft Intune
Microsoft Teams
NFS
OAuth2.0
OpenID Connect
pfSense
Postfix
PostgreSQL
PowerShell
Python
SAML 2.0
SAP
Security
Session Border Controller (SBC)
SQL Server
Storage
System Center
TLS/SSL
Visual Studio
VMware vSphere
VPN
Web server
Windows
X.509 PKI
Set up DomainKeys Identified Mail (DKIM) on Exchange on-premise
Out of the box on-premise Exchange Server doesn’t support DKIM signing. To deploy DKIM for your on-premises Exchange Servers you...
Set up Exchange on-premise to relay outbound Emails to the Internet via Exchange Online Protection (EOP)
If you had an Exchange Hybrid configuration, you can route also outbound email messages from your on-premise mailboxes through Exchange...
Enable TLS for Postfix on Ubuntu
Regarding the Postfix documentation, TLS support is turned off by default, so you can start using Postfix as soon as...
Remote Desktop Services (RDS) – Published RDP Icon is gone after publishing further Remote Apps later
It seems that there is a bug in Remote Desktop Services (RDS) regarding the published Remote Desktop Connection (RDP) app....
Code Signing in Visual Studio
In this post I want to show how you can sign your Visual Studio application by using a X.509 code...
Prevent Members from Domain Users Group to Logon by default to any Domain joined Computers
In this post I want to show how you can prevent that domain users can logon by default to each...