Tag: ISP

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 […]

Let’s start the explanation with an analogy. You must live somewhere and have an address. If you order a brand-new Raspberry Pi (to build a VPN router for example) the package can be delivered according to your address. In a computer network like the Internet, data packets are delivered. In order for the server, service […]

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 […]