Networks
There are two kinds of network traffic: the stuff you expect, polite HTTP calls, earnest software updates, and the occasional desperate Zoom feed, and the stuff that looks exactly like the first lot but is actually committing crimes in a bowler hat. ICMP sits firmly in the first category: a
Linux
There’s a certain breed of “cybersecurity enthusiast” who believes enlightenment lies somewhere between installing Arch Linux and setting their terminal background to a gradient of anime characters. They’ll spend six hours customising their Zsh prompt to display Unicode cows and still can’t tell you the difference between
Linux
Once upon a time in a quiet corner of your network, the address resolution protocol (ARP) decided to throw a house party. Everyone showed up: the guy with five IPs and one shady MAC, a bunch of TTL-decrementing ICMP packets playing musical chairs, and of course, no security bouncer at
Security
Ah, networking. That beautiful, terrifying realm where packets fly, ports open and close like drama-club relationships, and everything breaks just when you say, “It’s finally working.” Welcome, first-year undergrad. Let’s talk about one of the internet’s most passive-aggressive defense mechanisms: the TCP SYN cookie. You’ve probably
Linux
You're in for a treat, fellow Linux enthusiast! Let's talk about a concept as vital to your system's security as a perfectly aged cheese to a connoisseur: Immutable Logs (Append Only). Forget the digital equivalent of a chef's special that mysteriously vanishes
Linux
Ever checked into a charming old hotel and marvelled at the "vintage" technology? Think key cards that sometimes work, Wi-Fi that's powered by hopes and dreams, and a front desk system that looks suspiciously like a green-screen terminal from 1988. It's quaint, it'
Linux
Ever spent hours meticulously crafting iptables rules, feeling like a Gandalf, only to discover mysterious traffic flowing through your Linux box untouched? Perhaps you're running VMs, Docker containers, or just a simple bridge to connect a wired and wireless segment. You've got your firewall locked down