--- title: "Vraj Patel (@vraj-patel) | Hashnode" description: "Vraj Patel (@vraj-patel) writes on Hashnode. Read their latest articles and follow their work." url: "https://hashnode.com/@vraj-patel" --- @vraj-patel # Vraj Patel @vraj-patel · Joined January 2026 ### [The Ultimate Visual Guide to OverTheWire Bandit: Levels 0-16](https://vraj-patel.hashnode.dev/bandit-overthewire-walkthrough-levels-0-15?utm_source=hashnode&utm_medium=feed) OverTheWire Bandit levels 0-15. Master essential Linux commands like find, grep, and openssl through detailed notes and screenshots. 5 min read · [vraj-patel.hashnode.dev](https://vraj-patel.hashnode.dev/bandit-overthewire-walkthrough-levels-0-15?utm_source=hashnode&utm_medium=feed) [Feb 9](https://hashnode.com/posts/bandit-overthewire-walkthrough-levels-0-15/698a1897dc0e7c77112f37ba) ### [DNS: The Internet’s Phonebook (And Why Your ISP is Spying on You)](https://vraj-patel.hashnode.dev/dns-internets-phonebook-isp-secrets?utm_source=hashnode&utm_medium=feed) A deep dive into DNS. Learn how it works, why it's critical for security, and how to bypass ISP tracking faster, more private browsing experience. 5 min read · [vraj-patel.hashnode.dev](https://vraj-patel.hashnode.dev/dns-internets-phonebook-isp-secrets?utm_source=hashnode&utm_medium=feed) [Feb 2](https://hashnode.com/posts/dns-internets-phonebook-isp-secrets/6980f1bd94d71aa5fc58371d) ### [How the Internet Works: A Step-by-Step Guide from Wi-Fi to Web](https://vraj-patel.hashnode.dev/how-the-internet-works-wifi-to-web-guide?utm_source=hashnode&utm_medium=feed) Ever wondered what happens between clicking a link and seeing a page? Discover how DHCP, ARP, and NAT turn your local Wi-F into a global connection in this 4 min read · [vraj-patel.hashnode.dev](https://vraj-patel.hashnode.dev/how-the-internet-works-wifi-to-web-guide?utm_source=hashnode&utm_medium=feed) [Jan 30](https://hashnode.com/posts/how-the-internet-works-wifi-to-web-guide/697cf6e78a12beab52af898e) ### [Ping: The Tool You’ve Been Using Wrong](https://vraj-patel.hashnode.dev/ping-hidden-guide?utm_source=hashnode&utm_medium=feed) Learn the hidden side of the Ping command. Explore how hackers and admins use ICMP for OS fingerprinting, stress testing, and data smuggling. 4 min read · [vraj-patel.hashnode.dev](https://vraj-patel.hashnode.dev/ping-hidden-guide?utm_source=hashnode&utm_medium=feed) [Jan 29](https://hashnode.com/posts/ping-hidden-guide/697b8531b21383eee11b8637)