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Basics

What is DNS (Domain Name System) and what does a DNS server do?

Who remembers phone books made of paper? They are mostly obsolete now but you used it to find a phone number of a name. DNS or Domain Name System does basically the same thing. The heavy lifting is one by the so-called DNS servers. How does DNS work? Why IP addresses are important and why…

Categories
Basics

VPN or Virtual Private Network: What is it and why do I need one?

A VPN or Virtual Private Network is a direct connection between two networks via a public connection such as the Internet. In order for me to explain to you exactly how a VPN works, a few short and simple basics are necessary. Don’t worry, I will keep it understandable. How do I connect to the…