Introduction to IIS Compression on Windows Server 2019 HTTP compression reduces the size of responses sent from IIS to clients, significantly reducing bandwidth consumption and improving page load times, particularly for text-based content (HTML, CSS, JavaScript, XML, JSON). IIS 10 on Windows Server 2019 supports two types of compression: Static Compression (compresses static files once […]
Introduction to IIS URL Rewrite on Windows Server 2019 The IIS URL Rewrite module is a powerful extension for IIS 10 on Windows Server 2019 that allows server-side manipulation of incoming request URLs before they are processed. URL Rewrite is used for canonicalising URLs (removing or adding trailing slashes, enforcing lowercase), redirecting HTTP to HTTPS, […]
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 IIS Application Pools on Windows Server 2019 Application Pools in IIS 10 on Windows Server 2019 are isolated worker process containers that host one or more web applications. Each application pool runs as a separate w3wp.exe process, meaning that a crash, memory leak, or security breach in one application cannot directly affect applications […]
Introduction to IIS SSL/TLS Configuration on Windows Server 2019 Internet Information Services (IIS) 10 on Windows Server 2019 supports TLS 1.0 through TLS 1.3, with TLS 1.3 enabled by default when running on Windows Server 2019 version 1903 or later. Configuring SSL/TLS correctly on IIS means obtaining and binding a valid certificate, disabling outdated protocol […]
Introduction to DHCP Server Authorisation on Windows Server 2019 DHCP Server Authorisation is an Active Directory feature that prevents rogue DHCP servers from operating in a domain environment. In a Windows domain, before a DHCP server will respond to client requests, it must verify that it is authorised in Active Directory. An unauthorised DHCP server […]
Introduction to DHCP with DNS Dynamic Update on Windows Server 2019 DNS Dynamic Update (DDNS) allows the DHCP server to automatically register and deregister DNS records on behalf of DHCP clients whenever they obtain, renew, or release IP addresses. Without DDNS, administrators must manually maintain DNS A records and PTR records every time a machine […]
Introduction to DHCP Audit Logging on Windows Server 2019 DHCP Audit Logging records every IP address assignment, renewal, release, and denial made by the DHCP server. This log is invaluable for network troubleshooting (tracking which machine had a given IP at a specific time), security investigation (identifying rogue devices or tracking when an infected machine […]
Introduction to DHCP Policies on Windows Server 2019 DHCP Policies allow the Windows Server 2019 DHCP server to assign different configuration options — including IP address ranges, lease durations, default gateways, DNS servers, and custom options — to clients based on attributes of the DHCP request itself. Without policies, all clients in a scope receive […]
Introduction to DHCP Failover on Windows Server 2019 DHCP Failover allows two Windows Server 2019 DHCP servers to share address assignment responsibility for a scope, providing high availability and load balancing for IP address leasing. Without failover, a single DHCP server failure means clients cannot renew leases or obtain new ones — which causes network […]
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