vraj-patel.hashnode.devThe Ultimate Visual Guide to OverTheWire Bandit: Levels 0-16The Bandit wargame from OverTheWire is a rite of passage for anyone learning Linux security. In these notes, I document my progress through the first 16 levels, focusing on the commands and logic required to solve them. Level 0 → 1: The Basics of SS...Feb 9·5 min read
vraj-patel.hashnode.devDNS: The Internet’s Phonebook (And Why Your ISP is Spying on You)Imagine if every time you wanted to call a friend, you had to memorize a random 12-digit string like 142.250.190.46. You’d probably give up on technology entirely. In the early days of ARPANET, researchers actually had to manually copy a file called ...Feb 2·5 min read
vraj-patel.hashnode.devHow the Internet Works: A Step-by-Step Guide from Wi-Fi to WebHave you ever tried to think how the internet works, why ISPs charge for it, and do they provide plans according to data? When we turn on Wi-Fi or mobile data, what actually happens is the device tries to communicate or setup listening mode with a fr...Jan 30·4 min read
vraj-patel.hashnode.devPing: The Tool You’ve Been Using WrongThe command seems simple, but it provides a massive amount of information you might not have thought of. When you run a ping, you are looking at more than just a "Reply.", most of the users use it just to check the connection but it offers lot of thi...Jan 29·4 min read
