📘 Day 43: DNS, DHCP, NAT & Firewall Basics

Aug 17, 2025 · 3 min read · Welcome to Day 43 of my Networking & Security journey! 🚀 Today, I explored four core networking concepts that power the internet and practiced firewall configuration hands-on. 🌍 1. DNS (Domain Name System) Definition: DNS translates human-readabl...