AWS Systems Manager Session Manager is a fully managed service that provides secure, interactive, one-click access to your Amazon Elastic Compute Cloud (Amazon EC2) instances, edge devices, and virtual machines (VMs) through a browser-based shell or AWS Command Line Interface (AWS CLI), without requiring open inbound ports, bastion hosts, or SSH keys. Session Manager helps you maintain security compliance and controlled access while providing users with access to managed nodes. When starting a session, you must specify a preferences document (known as the Session Manager preferences document) to set the session parameters.
While providing users with access to managed nodes, managing these preferences consistently across multiple AWS Regions and accounts in a large organization can be challenging. Organizations often need to maintain standardized security settings, logging configurations, and session controls across their entire AWS footprint. Manual configuration…