Ever wondered how private EC2 instances access the internet without a public IP? In this video, we break down the real-world AWS architecture using a Bastion (Jump) Host and a NAT Gateway — the same setup used in production environments. You’ll learn: ✔ Why private EC2 instances should NOT have public IPs ✔ How Bastion Hosts enable secure SSH access ✔ How NAT Gateway allows outbound internet access from private subnets ✔ Public vs Private subnet traffic flow (clearly explained) ✔ Common mistakes that cause connectivity issues ✔ Interview-ready explanation with architecture clarity This is NOT just theory — this is how secure AWS environments are actually designed. 🔧 Services & Concepts Used: - AWS VPC - Public & Private Subnets - Bastion / Jump Host - NAT Gateway - Route Tables - Internet Gateway - Security Groups 🎯 Who should watch? - AWS Beginners & Intermediate users - DevOps Engineers - Cloud Architects - Anyone preparing for AWS interviews 📌 By the end of this video, you’ll clearly understand: “How private EC2 instances access the internet securely in AWS.” 👍 Like, Share & Subscribe for more real-world AWS & DevOps content. #AWS #DevOps #BastionHost #NATGateway #AWSEC2 #AWSVPC #CloudArchitecture