AWS - networking

AWS Direct Connect

Service that enables you to establish a dedicated private connection between your data center and a VPC

Subnets

A section of a VPC in which you can group resources based on security or operational needs. 1. Public subnets contain resources that need to be accessible by the public's such as online stores 2. Private subnets contain resources that should be accessible only through your private network,such as a DB containing customers' info

Amazon Route 53

DNS web service giving devs and businesses a reliable way to route end users to internet applications hosted in AWS

Domain Name System (DNS)

Internet service that translates domain names into IP addresses.

Internet Gateway

The Amazon VPC side of a connection to the public Internet.

Packets

Unit of data sent over the internet or network

Network Access Control Lists (ACLs)

Virtual firewall that controls inbound and outbound traffic at the subnet level. Network ACLs perform stateless packet filtering. They remember nothing and check inbound and outbound packets

Security Groups

Virtual firewall that controls inbound and outbound traffic for Amazon EC2 instance. Security groups perform stateful packet filtering, remembering previous decisions made for incoming packets.

Virtual Private Gateway

component that allows protected internet traffic to enter into the VPC

Amazon Virtual Private Cloud (Amazon VPC)

lets you provision a logically isolated section of the AWS Cloud where you can launch AWS resources in a virtual network that you define.