How to Use Microsoft Graph API with PowerShell on Windows Server 2025 The Microsoft Graph API is the unified REST endpoint that gives you programmatic access to the entire Microsoft 365 ecosystem — Azure Active Directory (now Microsoft Entra ID), Exchange Online, SharePoint, Teams, Intune, and more — all through a single, consistent surface. On […]
How to Set Up Windows Defender Application Control (WDAC) on Windows Server 2025 Windows Defender Application Control (WDAC) is a kernel-level code integrity enforcement mechanism built into Windows Server 2025 that controls which drivers and applications are permitted to run on a system. Unlike traditional application whitelisting solutions that operate in user space, WDAC enforces […]
🟡 Medium ⏱ 5–30 min Last verified: 28 May 2025 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]
How to Configure Edge Transport Server for Email on Windows Server 2025 The Exchange Edge Transport Server role provides a security-hardened mail gateway that sits in your organization’s perimeter network (DMZ), acting as the first and last point of contact for all inbound and outbound internet email. Unlike mailbox servers that live inside the corporate […]
Flask is a lightweight Python web microframework. This guide deploys a Flask application in production on Ubuntu 24.04 LTS using Gunicorn as the WSGI server and Nginx as the reverse proxy. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Python 3.12 and pip installed Nginx installed Step 1 – Set Up […]
How to Configure Active Directory Certificate Services (AD CS) on Windows Server 2025 Public Key Infrastructure (PKI) underpins a vast range of Windows security features: TLS certificates for internal websites and LDAPS, smart card authentication, EFS file encryption, S/MIME email signing, and 802.1X network access control. Active Directory Certificate Services (AD CS) is the Microsoft […]
Introduction CentOS Stream 10 ships with a stable, security-hardened base that makes deploying configure ssl/tls with openssl on centos stream 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure SSL/TLS with OpenSSL on CentOS Stream 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]
How to Set Up BitLocker Network Unlock on Windows Server 2025 BitLocker Drive Encryption is a cornerstone of Windows Server security, protecting data at rest against physical theft or unauthorized access. In most BitLocker deployments, servers or workstations require a PIN or USB key at startup to release the encryption key and boot normally. While […]
How to Install and Configure Tomcat on Windows Server 2025 Apache Tomcat is the industry-standard Java Servlet container used to deploy Java web applications packaged as WAR (Web Application Archive) files. Many enterprise line-of-business applications — particularly those built on Spring Boot, JSF, or legacy Java EE stacks — are deployed to Tomcat. Running Tomcat […]
Introduction This tutorial demonstrates how to Configure HAProxy SSL Termination on CentOS Stream 10 on CentOS Stream 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 10 system with the […]
