How to Configure Kerberos Authentication on RHEL 7 Kerberos is a network authentication protocol that uses symmetric-key cryptography to allow clients and servers to prove their identity to each other securely without transmitting passwords over the network. It is the backbone of authentication in Active Directory environments and is natively supported across Linux through MIT […]
How to Configure Windows Server 2019 Container Security Securing Windows containers on Windows Server 2019 involves hardening the container runtime, securing container images, isolating workloads, controlling network access, and monitoring for anomalous behavior. The default Docker installation is functional but not hardened for production use. This guide covers the key security controls available for Windows […]
How to Set Up DirectAccess on Windows Server 2019 DirectAccess provides seamless, always-on VPN-like connectivity for domain-joined Windows clients without requiring the user to manually initiate a VPN connection. Unlike traditional VPN, DirectAccess establishes an encrypted IPv6-over-IPv4 tunnel automatically whenever a managed client device has internet connectivity. This enables remote management, Group Policy application, and […]
How to Set Up Windows Server 2016 DirectAccess DirectAccess is a seamless always-on VPN-like technology built into Windows Server 2016 that allows domain-joined Windows clients to connect to the corporate network automatically whenever they have internet access, without requiring users to manually initiate a VPN connection. Unlike traditional VPN, DirectAccess uses IPv6 and IPsec tunnels, […]
🟠 High ⏱ 5–30 min Last verified: 21 November 2021 Affected versions: Windows Server 2016 📖 ~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 […]
🟠 High ⏱ 5–30 min Last verified: 16 November 2021 Affected versions: Windows Server 2019 📖 ~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 Errors […]
Introduction to Kerberos Authentication Kerberos is the default authentication protocol for Windows domain environments. Introduced with Windows 2000 and continually improved in Windows Server 2019, Kerberos provides mutual authentication—both the client and the server verify each other’s identity—and uses tickets rather than transmitting passwords over the network. Understanding Kerberos is essential for troubleshooting authentication failures, […]
How to Set Up Windows Server 2016 Remote Desktop Web Access Remote Desktop Web Access (RD Web Access) is a role service in Windows Server 2016 Remote Desktop Services that provides a web-based portal for users to access RemoteApp programs, session-based desktops, and virtual desktops from any device with a web browser. Instead of distributing […]
Introduction to Windows Defender Application Control Windows Defender Application Control (WDAC) is Microsoft’s next-generation application control technology, introduced in Windows 10 and fully supported on Windows Server 2019. Unlike AppLocker, which operates in user space, WDAC policies are enforced by the Windows kernel and can be protected by Virtualization-Based Security (HVCI). WDAC supersedes Device Guard […]
How to Build PowerShell Script Modules on Windows Server 2012 R2 PowerShell script modules are the standard packaging mechanism for distributing reusable functions, workflows, and cmdlets within an organization. A script module is simply a .psm1 file — a PowerShell script that defines functions and controls which of them are exported for use by consumers […]
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