How to Configure Remote Desktop Gateway on Windows Server 2019 Remote Desktop Gateway (RD Gateway) is a Windows Server 2019 role service that enables authorised remote users to connect to internal network resources over HTTPS, eliminating the need to expose RDP port 3389 directly to the internet. RD Gateway encapsulates RDP traffic within HTTPS (port […]
Introduction to IIS WebSockets on Windows Server 2019 WebSockets provide a full-duplex, persistent communication channel over a single TCP connection between a client and server. Unlike standard HTTP request/response, WebSockets allow the server to push data to clients without the client polling. This is used in real-time applications including chat systems, collaborative tools, live dashboards, […]
Introduction to IIS Reverse Proxy on Windows Server 2019 A reverse proxy sits in front of backend servers and forwards incoming client requests to those servers, returning the responses to clients as if the proxy itself generated them. On Windows Server 2019, IIS combined with the Application Request Routing (ARR) module and URL Rewrite provides […]
Introduction to IIS Authentication on Windows Server 2019 IIS 10 on Windows Server 2019 supports multiple authentication mechanisms, each suitable for different scenarios. Anonymous Authentication allows unauthenticated access (public websites). Windows Authentication uses Kerberos or NTLM to authenticate domain users transparently (intranet applications). Basic Authentication sends credentials in Base64 (requires HTTPS). Digest Authentication uses MD5 […]
Introduction to DNS over HTTPS on Windows Server 2019 DNS over HTTPS (DoH) encrypts DNS queries inside standard HTTPS traffic on port 443. Traditional DNS queries travel in plaintext over UDP or TCP port 53, exposing every hostname lookup to anyone monitoring the network — ISPs, attackers on public Wi-Fi, or enterprise security appliances. DoH […]
Introduction to Multi-Factor Authentication Multi-Factor Authentication (MFA) requires users to provide two or more verification factors before gaining access: something they know (password), something they have (phone, hardware token, smart card), or something they are (biometrics). Implementing MFA on Windows Server 2019 dramatically reduces the risk of credential-based attacks—even if a password is stolen, an […]
Introduction to Split Tunneling Split tunneling is a VPN configuration where only traffic destined for corporate resources is routed through the encrypted VPN tunnel, while internet traffic goes directly from the client through its local internet connection. Without split tunneling (full tunneling), all client traffic—including YouTube, Windows Update, and personal browsing—travels through the corporate VPN […]
Introduction to Always On VPN Always On VPN (AOVPN) is Microsoft’s replacement for DirectAccess, introduced with Windows 10 and fully supported on Windows Server 2019. Unlike traditional VPN solutions where users must manually connect, Always On VPN connects automatically when the user logs in and the device detects it is not on the corporate network. […]
Introduction to Network Access Protection Network Access Protection (NAP) is a Windows Server technology that evaluates the health of client computers attempting to connect to the network and restricts access for machines that do not meet defined health requirements. NAP checks conditions such as whether Windows Firewall is enabled, antivirus signatures are up to date, […]
Introduction to RADIUS Proxy A RADIUS proxy receives authentication requests from RADIUS clients (VPN servers, wireless APs, switches) and forwards them to remote RADIUS servers based on configurable rules. Windows Server 2019 with the Network Policy Server (NPS) role can function as a RADIUS proxy in addition to—or instead of—acting as a full RADIUS server. […]
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