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What is a private network, and why do you need it?
Some networks are built for open access. Others are built to restrict access: containing traffic, limiting entry points, and controlling who and what can connect. That difference affects whether inter...
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DNS over QUIC (DoQ): Everything you need to know about the new DNS protocol
Almost everything you do online starts with looking something up using the Domain Name System (DNS). Often called the internet’s address book, DNS is how your device turns a website name, like www.e...
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What is an open port? A guide to network vulnerabilities
Your devices constantly exchange data across networks. This exchange happens through network ports, which act like numbered doorways that help direct traffic to the right app or service. An open port ...
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How to set up a static IP address (step-by-step guide)
If you need to consistently reach a device, such as a gaming server or a smart-home hub, you don't want its Internet Protocol (IP) address to change in the background. Assigning a static IP gives it a...
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What is dynamic multipoint VPN (DMVPN)?
As networks expand across multiple offices and cloud environments, keeping every site securely connected becomes a challenge. Traditional virtual private network (VPN) setups often struggle to scale w...
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Types of VPNs: Complete guide to VPN categories and protocols
All virtual private networks (VPNs) work on the same principle: they encrypt your internet traffic and route it through a secure server. Where they differ is in how they're designed to be used. Some V...
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What is a cross connect in a data center?
Data centers are built to handle massive volumes of information moving between companies, cloud services, and networks. Inside data centers, this exchange happens through carefully managed infrastruct...
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Google Search not working with a VPN? Here’s how to fix it
Using a virtual private network (VPN) can offer privacy and security benefits, but sometimes it may change the behavior of services like Google Search. If you’ve noticed that Google Search isn’t f...
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How to fix packet loss for a stable connection
Packet loss is when certain pieces of data fail to arrive at their intended destination. It can ruin an array of online activities, such as gaming, video calls, or any situation where you need a stead...
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VPN auto-connect: How to enable it across devices
A virtual private network (VPN) only protects your traffic while it’s connected. If it hasn’t connected yet or drops during a network change, your device may send traffic outside the encrypted tun...
VPN guides
