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Introduction to Security GroupsΒΆ

  • Security Groups are the fundamental of [[network security]] in AWS
  • They control how traffic is allowed into or out of our AWS EC2 machines.

  • It is the most fundamental skill to learn to [[troubleshoot networking issues]]

We can view our instance security groups and rules by clicking on them and viewing Security Groups.

By clicking on a security group, we can see and edit the inbound, outbound rules of those security groups as well as tags for them.

Security Groups Deep Dive