Advanced Instance Management
In the last chapter, we created a Virtual Private Cloud (VPC). In this chapter we are going to discuss configuring instances in the VPC.
Before launching an instance we first need to configure security groups. Security groups are similar to the network access control lists ACLs we discussed in Chapter 5, but are enforced at the instance rather than subnet. I’ll show you how to create and manage rules, discuss the differences between security groups and traditional firewalls, and show you how to add servers to a security group.
Once we have the security groups configured, we can launch a VPC instance. We ...