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HTTP/3 represents one of the biggest changes to web communication in years. Designed to improve how data moves across the internet, it is now supported by major browsers and many popular websites. This guide explains what HTTP/3 is, how it works, how it differs from earlier Hypertext Transfer Protocol (HTTP) versions, and what its adoption… Read more

Authentication header is a term that can refer to two different technologies, which often causes confusion. In networking, it usually refers to the Authentication Header (AH) protocol in IPsec. In web applications, people sometimes use the term to refer to the HTTP authorization header.  Understanding the difference between these terms is important because they serve… Read more

Starlink is compatible with VPNs, but performance depends on the VPN you choose and how it works with your Starlink kit. For better or worse, factors like your Starlink plan, VPN protocol, and even satellite handoffs can all affect your experience. In this guide, we’ll show you the factors that shape the Starlink-VPN relationship, how… Read more

Imagine working on a coffee shop’s Wi-Fi network and another device on that same network tries to connect to your laptop. A properly configured personal firewall can block that attempt, without you even noticing it happened. In this guide, you’ll learn how personal firewalls work and how to set one up. We’ll also show you… Read more

Linux IP forwarding is essential for many advanced networking tasks, but enabling it without the right configuration can create unintended security and connectivity issues. Whether you’re setting up a router, gateway, VPN, or another network service in Linux, it’s important to know when to enable IP forwarding, how to configure it, and when to disable… Read more