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Does a VPN work without Wi-Fi?
A virtual private network (VPN) needs some form of network connection to work, but it doesn't have to be Wi-Fi. For most people, that means using it over the internet, whether through home broadband, ...
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What is network discovery? How to enable it safely
When you connect to a new network, your computer often asks if you want your PC to be discoverable. This single click controls network discovery: a function that allows your device to find other devic...
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What is HTTP/2 and how does it work?
HTTP/2 is a modern version of the Hypertext Transfer Protocol (HTTP) protocol, which manages how browsers and websites exchange data. It was developed to improve the speed and efficiency of web commun...
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How to open ports on your router
Your router controls how data moves between your home network and the internet. When you open a website, stream a movie, or play an online game, that traffic passes through numbered entry points calle...
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What is a VLAN? A complete guide to virtual LANs
A virtual local area network (VLAN) is a method of segmenting a single physical LAN into multiple separate networks through software. Proper VLAN implementation can improve network performance, streng...
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What are anonymous proxies, and how do they work?
Tools like anonymous proxies claim to provide “total anonymity” by redirecting your online activity through a proxy server. But what level of privacy do they really provide? Before using an anonym...
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What is virtual network computing (VNC)? A complete guide
Virtual network computing (VNC) is one of the simplest ways to view and control another computer’s desktop over a network, giving IT teams, engineers, and everyday users direct access without being ...
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How to fix “self-assigned IP address” error on Mac
If your Mac says it’s connected to Wi-Fi but nothing’s loading, the problem might be a self-assigned IP address. This means your computer tried to join the network but didn’t get a valid IP addr...
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Network configuration management for secure and optimized networks
A single misconfiguration can bring down an entire network. It might block someone from logging in, expose private data, or break secure VPN tunnels between offices. Yet, with so many devices and sett...
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VoIP VPN: Complete guide to securing your internet calls
When you make a voice or video call online, it doesn't travel straight to your contact. It passes through networks, servers, and internet service providers (ISPs) along the way, each a potential point...
VPN guides
