From the course: AWS Essential Training for Developers

Unlock this course with a free trial

Join today to access over 24,900 courses taught by industry experts.

Internet and NAT gateways

Internet and NAT gateways - Amazon Web Services (AWS) Tutorial

From the course: AWS Essential Training for Developers

Start my 1-month free trial Buy for my team

Internet and NAT gateways

“

- Your router at home creates a private network, much like a VPC that links all of your local computers and devices together, either through wired connections or through wireless ones. It then routes traffic from the public internet to your private network through a technique called network address translation or NAT. This allows your wide area network interface to get a single public IP address from your internet provider, like 1.2.3.4, and to share that IP address to all the devices on your local area network, or LAN. So when one of your computers, such as 192.168.1.2 goes to a website like linkedin.com, the servers at LinkedIn will see traffic coming from the WAN interface at 1.2.3.4, and then when LinkedIn responds, the return traffic is sent to 1.2.3.4 and it's routed by your router back to the originating computer at 192.168.1.2. Now, if some random person on the internet, such as 5.6.7.8 wants to reach one of your…

Contents