Introduction to DHCP Failover on Windows Server 2022 A single DHCP server is a single point of failure. If that server goes offline — whether for planned maintenance or an unexpected outage — clients whose leases expire cannot obtain new IP configurations, which causes network connectivity failures. DHCP failover, introduced in Windows Server 2012 and […]
🟠 High ⏱ 5–30 min Last verified: 9 December 2022 Affected versions: Ubuntu 22.04 LTS (Jammy) 📖 ~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 […]
🟠 High ⏱ 5–30 min Last verified: 9 December 2022 Affected versions: Windows Server 2012 R2 📖 ~2 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 […]
🟠 High ⏱ 5–30 min Last verified: 9 December 2022 Affected versions: Windows Server 2022 📖 ~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 […]
Introduction IBM AIX 7.1 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up ssl vpn with openvpn on ibm aix […]
How to Set Up iSCSI Target Server on Windows Server 2022 iSCSI (Internet Small Computer Systems Interface) is a block-level storage protocol that transports SCSI commands over TCP/IP networks. Windows Server 2022 includes a built-in iSCSI Target Server role that allows you to create and expose virtual disk images (VHDs or VHDXs) to initiators — […]
Why Automate Security Hardening with PowerShell Manual security hardening of Windows Server 2022 is error-prone, time-consuming, and difficult to audit or reproduce. A single missed registry key or firewall rule on one server can leave an entire environment exposed. PowerShell-based hardening automation solves these problems by encoding your security configuration as executable, version-controlled code that […]
Overview of Windows Server 2022 Print Services A Windows Server print server centralizes printer management, driver distribution, and print queue administration for an organization. Instead of installing printer drivers on every individual workstation, you deploy them once on the server and Windows automatically distributes them to clients when they connect. Windows Server 2022 includes the […]
How to Set Up Active Directory Certificate Services on Windows Server 2012 R2 Active Directory Certificate Services (AD CS) on Windows Server 2012 R2 provides Public Key Infrastructure (PKI) services for the enterprise, enabling the issuance and management of digital certificates. These certificates support a wide range of security functions: SSL/TLS for internal servers, smart […]
HTTP security headers are a lightweight but highly effective layer of defence for web applications, instructing browsers to enforce policies that mitigate common attacks like clickjacking, MIME-type sniffing, cross-site scripting (XSS), and protocol downgrade attacks. HSTS (HTTP Strict Transport Security) forces browsers to use HTTPS exclusively, while a Content Security Policy (CSP) controls which resources […]
