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What is typically placed in the public DMZ zone for secure management of EC2 instances?

Question

What is typically placed in the public DMZ zone for secure management of EC2 instances?

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Solution

In a typical setup for secure management of EC2 instances, a Bastion Host is placed in the public DMZ (Demilitarized Zone).

Here are the steps:

  1. A Bastion Host is a special purpose computer on a network specifically designed and configured to withstand attacks. It is also known as a jump server.

  2. The Bastion Host is located in the public DMZ, outside the firewall. It provides a single point of entry and exit into a network and has additional security measures in place.

  3. The Bastion Host is used to securely administer EC2 instances (virtual servers) in the Amazon Web Services (AWS) environment.

  4. Administrators connect to the Bastion Host and then 'jump' to the EC2 instances from there. This way, the EC2 instances don't need to be exposed to the public internet, which would make them vulnerable to attacks.

  5. The Bastion Host is typically heavily monitored and audited to ensure it remains secure.

  6. It's also common to use multi-factor authentication (MFA) and strict access controls to further secure the Bastion Host.

So, in summary, a Bastion Host is typically placed in the public DMZ zone for secure management of EC2 instances.

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