Introduction to 802.1X Network Access Control 802.1X is an IEEE standard for port-based network access control. It ensures that only authenticated and authorized devices can connect to a network—whether wired or wireless. In an enterprise environment, 802.1X prevents unauthorized devices (laptops, phones, IoT devices) from simply plugging into a network port or connecting to a […]
Introduction to RADIUS Authentication RADIUS (Remote Authentication Dial-In User Service) is a networking protocol that provides centralized authentication, authorization, and accounting (AAA) for network access. Windows Server 2019 implements RADIUS through the Network Policy Server (NPS) role. NPS acts as a RADIUS server that authenticates users trying to connect via VPN, wireless access points, 802.1X […]
Introduction to Certificate Auto-Enrollment Manual certificate distribution in a large Active Directory environment is impractical and error-prone. Certificate auto-enrollment automates the process of requesting, issuing, and renewing certificates for users and computers based on Group Policy. When configured, domain members automatically receive certificates from your internal Certificate Authority (CA) without any user interaction. This is […]
Introduction to Advanced Audit Policy Advanced Audit Policy Configuration in Windows Server 2019 provides granular control over security auditing beyond the basic nine audit categories available in legacy audit policy settings. Using Advanced Audit Policy, administrators can enable individual subcategories independently, allowing specific events to be audited without enabling entire categories that generate excessive log […]
Introduction to VPN Server on Windows Server 2019 A Virtual Private Network server allows remote users and branch offices to establish encrypted tunnels over the public internet to access internal corporate resources securely. Windows Server 2019 includes built-in VPN server capabilities through the Routing and Remote Access Service (RRAS) and supports multiple modern protocols including […]
Introduction to Routing and Remote Access Service Routing and Remote Access Service (RRAS) is a built-in Windows Server 2019 feature that provides routing, remote access, and virtual private networking capabilities. RRAS can function as a software router to forward packets between network interfaces, as a dial-up or VPN remote access server, or as a site-to-site […]
How to Configure Network Load Balancing on Windows Server 2019 Network Load Balancing (NLB) is a Windows Server feature that distributes TCP/IP network traffic across multiple servers, providing scalability and availability for stateless applications such as web servers, VPN servers, and terminal servers. NLB operates at Layer 4 (transport layer) of the OSI model and […]
Introduction This tutorial covers How to Set Up IPsec VPN with Libreswan on SLES 16 on SLES 16. SLES 16 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 16 system is up to […]
Introduction This tutorial covers How to Configure WireGuard VPN on SLES 16 on SLES 16. SLES 16 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Step 1 — Install WireGuard zypper install -y wireguard-tools Step 2 — […]
Introduction This tutorial covers How to Set Up OpenVPN on SLES 16 on SLES 16. SLES 16 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 16 system is up to date: zypper refresh […]
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