April 2017
Intermediate to advanced
394 pages
10h 31m
English
Content preview from AWS Administration Cookbook
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Creating a NAT gateway
Unless required, your instances should not be publicly exposed to the Internet. When your instances are on the Internet, you have to assume that they will be attacked at some stage.
This means most of your workloads should run on instances in private subnets. Private subnets are those that are not connected directly to the Internet.
In order to give your private instances access to the Internet you use network address translation (NAT). A NAT gateway allows your instances to initiate a connection to the Internet, without allowing connections from the Internet.
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.