So I ordered this book from Amazon, Networks by Mark Newman, for $80. Yes, $80. For a book about networks. Not a switch. Not a cable tester. Not a tiny firewall appliance with “enterprise” printed on the box, the same way a microwave burrito calls itself cuisine. A book. Paper, ink, equations, diagrams, and the quiet threat that somewhere inside
Category: Networking Concepts
There is a certain temptation when learning Linux to immediately build a gigantic home lab with: (Ok, maybe I’m exaggerating quite a bit) And then three days later you realize you can no longer remember which VM broke DNS. So I decided to start smaller. Way effing smaller. Instead of building a fake Fortune 500 data center in my laptop,
Once upon a time, in the dark ages of floppy disks and beige CRT monitors, there lived an IT admin who had to configure every single computer manually. We’re talking 3.5” diskettes, login scripts that barely worked, and printers that sounded like fax machines having a seizure. Then, somewhere around the year 1999, a hero emerged—Group Policy, riding in on
If your network was a nightclub, the Active Directory (AD) server would be the bouncer with a clipboard, the head librarian with all the book keys, and the overworked babysitter trying to remember who’s allowed where, when, and with what kind of access. And somehow, it still shows up to work every Monday morning. Let’s talk about AD servers—what they
Let’s talk about DNS servers. You know, those magical, invisible librarians of the internet who work 24/7, never ask for a raise, and don’t get nearly enough respect for what they do. They’re the ones who take your desperate “how to unclog toilet with chopsticks” search and make sure it gets to the right place. And yet, when your Wi-Fi
So, you’ve decided to venture into the world of networking. Welcome to the land where blinking lights are comfort, and cabling is an extreme sport. If you’re new, or just pretending not to cry in the server room, you’ll eventually run into two rival factions in Networking Land: They’re both critical. They’re both dramatic. And yes, they both matter way
Let’s talk about TCP/IP, the protocol suite that’s been dragging the internet on its back since disco died. Forget the OSI model. That seven-layer cake is great for textbooks and job interviews, but in real life? We use TCP/IP—a four-layer burrito of glorious, functional chaos. Network Access Layer Where bits meet brawn. You like Wi-Fi? Ethernet? Bluetooth? Carrier pigeons with
You ever wonder how one nerdy protocol became the invisible engine behind everything from TikTok to email to your smart fridge? I’m talking about TCP/IP—that thing you hear in every networking class but pretend to fully understand (don’t worry, we’ve all been there). Let’s break it down. Not like a textbook. Like a story. Because the rise of TCP/IP is
So here I am—on a noble quest to become a network and cybersecurity engineer. A digital knight, if you will, except instead of a sword, I wield Wireshark and Python scripts, and instead of dragons, I fight NAT issues and firewall configs that mysteriously delete themselves. And you know what makes this whole journey survivable (and kinda fun)? Two unlikely
Alright, let me tell you about Chapter 2 like I lived it—because I did—and wow, this one was like taking a sip from the networking firehose. First off, we kicked it old-school with some Cold War drama—turns out TCP/IP was basically born because the DoD wanted to make sure their messages could still go through if, you know, everything exploded.