Guided Notes

VPC Networking

Virtual private clouds, subnets, gateways, security groups vs network ACLs, and Route 53.

Amazon VPC

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An Amazon Virtual Private Cloud (VPC) is your own isolated network inside AWS. You choose its IP address range (for example 10.0.0.0/16) and decide exactly what can reach your resources.

Within a VPC you create subnets β€” smaller sections of the address range, each in one Availability Zone:

β€’ Public subnets β€” for resources the internet must reach, like a load balancer. β€’ Private subnets β€” for resources that must stay hidden, like databases.

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