Which service lets you monitor HTTP(S) requests that are forwarded to your application resources?

The chosen service, AWS WAF (Web Application Firewall), is specifically designed to help you monitor and control HTTP and HTTPS requests that are routed to your application resources. It allows you to create rules to define which web requests to allow or block based on various criteria, such as IP address, HTTP headers, and query string parameters.

By using AWS WAF, you gain valuable insights into incoming traffic patterns and can implement security measures to protect your applications against common web exploits and vulnerabilities. This monitoring capability is crucial for maintaining the security and integrity of your web-based applications, as it enables you to react to potential threats in real-time and to analyze the effectiveness of your web application security strategies.

The other options, while valuable services within the AWS ecosystem, do not directly fulfill the requirement of monitoring HTTP(S) requests. AWS Firewall Manager is focused on managing firewall rules across multiple accounts, AWS Directory Service provides directory services like Microsoft Active Directory, and AWS Network Firewall is used for managing network-level protections. Therefore, AWS WAF is the most appropriate choice for monitoring HTTP(S) requests to application resources.