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What is Wireshark?
If we want to write the shortest article of the whole site it would be: Wireshark is fantastic! But you might need a broader introduction than this :). Wireshark is a tool that was developed in the late 80s as Ethereal by Gerald Combs. Over the years different people...
What is DHCP?
You should already know by now that we love acronyms in the IT community. So here is another one: DHCP stands for Dynamic Host Control Protocol. To explain to you what it does, I have question for you: Have you, if you don't work in a networking or system...
What is ‘Big Data’?
A definition Big Data refers to extremely large and complex sets of data that cannot be effectively processed using traditional data processing methods. It encompasses vast amounts of information that is generated from various sources, such as social media, sensors,...
What is a VLAN?
VLAN stands for Virtual Local Area Network. What you do using a VLANs is cutting a normal layer 2 switch in several little switches. VLANs have an ID of 1-4096. The interesting property of a VLAN is that it sets a boundary of communication. Let's say that 4 computers...
What is a REGEX?
No, REGEX is not a new type of dinosaur or any of your ex loved ones. REGEX stands for regular expression. First we need to understand what regular means. Let's say that common would be a good synonym. Expression in this context is referring to a (fixed) pattern. Easy...
What is DNS?
I am pretty sure you already saw this term showing up configuring your internet connection, or when you were typing the address of a website incorrectly in your browser. But what is DNS and how does it work? Another acronym? Yes! DNS stands for Domain Name System and...
What is a proxy?
For those of you working with a computer at your workplace you probably already saw a page like the below one trying to surf to your favorite streaming site, accessing an online casino website or going to online auction sites like eBay on your work computer. The...
What is a VPN?
Nowadays, especially during the pandemic, more and more people are working from home. As most of them need to access company resource they are connected via a VPN. But was is exactly a VPN. A VPN, or virtual private network, is a way to extend your company's network...