Another productive day of learning and hands-on practice in AWS! Today, I focused on core networking and EC2 concepts that are essential for designing secure and scalable cloud infrastructures.
📚 Topics I Covered:
🔐 Understanding AWS Security Groups and how they act as virtual firewalls.
🌐 Learning the difference between Public IP Addresses and Private IP Addresses.
💽 Exploring Amazon Machine Images (AMI) and how they simplify EC2 deployments.
🛠️ Hands-on Labs Completed:
✅ Created a Public EC2 Instance
✅ Created a Private EC2 Instance
✅ Successfully accessed the Private EC2 Instance through the Public (Bastion Host) Instance using SSH
💡 Key Takeaways:
🔹 Security Groups control inbound and outbound traffic at the instance level.
🔹 Public IPs allow internet access, while Private IPs enable secure communication within a VPC.
🔹 AMIs make it easy to launch pre-configured EC2 instances with the required operating system and software.
🔹 Using a Bastion Host is a secure and widely adopted approach for accessing private resources without exposing them directly to the internet.
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