AWS Firewall Manager

AWS Firewall Manager is a security management service that allows you to centrally configure and manage firewall rules across multiple accounts and applications in your AWS environment. It is important because it simplifies the management of firewall rules, ensuring consistent security policies across your resources.

What is AWS Firewall Manager?
AWS Firewall Manager is a fully managed service that provides a single place to create, manage, and enforce firewall rules across your AWS accounts and applications. It works with AWS WAF (Web Application Firewall), AWS Shield Advanced, and Amazon VPC security groups to protect your resources from common web-based threats and unauthorized access.

How AWS Firewall Manager Works:
1. You define your security policies in AWS Firewall Manager, specifying the firewall rules and the resources to which they should apply.
2. Firewall Manager automatically applies these rules to new and existing resources that match your policy criteria.
3. It continuously monitors your resources for compliance with your security policies and provides a centralized view of your firewall activity.
4. Firewall Manager can also automatically remediate non-compliant resources to maintain a consistent security posture across your environment.

Answering Questions on AWS Firewall Manager in an Exam:
When answering questions about AWS Firewall Manager, keep the following points in mind:
1. Firewall Manager simplifies firewall rule management across multiple accounts and applications.
2. It works with AWS WAF, AWS Shield Advanced, and Amazon VPC security groups.
3. You define security policies in Firewall Manager, and it automatically applies them to your resources.
4. Firewall Manager continuously monitors resources for compliance and can automatically remediate non-compliant resources.

Exam Tips: Answering Questions on AWS Firewall Manager
1. Understand the key features and benefits of AWS Firewall Manager, such as centralized management, automatic rule application, and continuous compliance monitoring.
2. Know the services that Firewall Manager works with (AWS WAF, AWS Shield Advanced, and Amazon VPC security groups).
3. Recognize scenarios where using Firewall Manager would be beneficial, such as managing firewall rules across multiple accounts or ensuring consistent security policies for a large number of resources.
4. Remember that Firewall Manager automatically applies rules to new and existing resources that match your policy criteria, simplifying the management of firewall rules in a dynamic environment.