September 2018
Beginner to intermediate
174 pages
3h 27m
English
Content preview from Designing AWS Environments
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EC2s in a VPC
If you, or one of your customers, have one of these older AWS accounts, migrating the classic instances to a VPC is highly recommended. Some of the advantages are the ability to specify your own private IP address ranges, and keep the private IPs associated, when you stop and start your instances. You can choose not to get a public IP address, and also put your instance in a private subnet with no route to the internet. This is a powerful extra layer of security, in addition to security groups.
Security groups in a VPC allow you to create rules for outbound as well as inbound traffic, and by dividing your VPC into subnets, you can control traffic in to and out of your subnet with NACLs and custom route tables.
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