Network Protocols

How to setup SSH-Key Authentification

First you have to generate a new key pair with the ssh-keygen command. You will get a file without a suffix (this is your private key) and a file with the .pub…

OSI-Referenzmodell: Welche Schichten gibt es, welchen Aufgaben kommen die Schichten nach?

1. Schicht: Bitübertragung Umwandlung der Bits in ein zum Medium passendes Signal Physikalische Übertragung der Daten 2. Schicht: Sicherung…

Introduction into the Hypertext Transfer Protocol (HTTP)

The Hypertext Transfer Protocol (HTTP) is how web browser (client side) and web server (server side) communicate with each other. Communication in terms of…

Rough Overview of the Transmission Control Protocol (TCP)

The Transmission Control Protocol (TCP) is used to transfer data across the internet. On top of that, the protocol ensures that the transferred data retrieves…

Introduction and Overview of the Internet Protocol (IPv4 and IPv6)

IP-addresses are unique: As soon as you connect your computer to the internet, your computer gets a unique IP-address assigned, which only your individual…