![]() Please check the prerequisites based on your OS here. How Do I Enable Sessions Manager on My EC2 Instance? The following diagram describes connectivity to the private EC2 instance using Systems Manager Session Manager: Integration with audit and log services: With Session Manager you can further trace and record user session activity by integrating with AWS CloudTrail, Amazon S3, Amazon CloudWatch, Amazon EventBridge, and Amazon SNS services, allowing you, for example, to receive alerts when a user starts or stops a session. ![]() Security managed by IAM: In this way, security is centralized, allowing permissions to be given and denied from a single place depending on the user, group, and instance by through of IAM policies.Forget about SSH access and open ports in the security group: With Session Manager, you don't need to add SSH or RDP access rules or maintain a security group with different public IPs that can change over time.Quick but secure access: Simply access the AWS Management Console from your browser and log in to the desired host with a couple of clicks or using AWS CLI.Cross-platform: You do not need to use different SSH/RDP connection tools depending on the operating system (Linux, Windows, macOS).What Are Its Advantages Over the Classic SSH/RDP Jump? The following diagram describes the connectivity flow from the user to the private EC2 instance which host the application: What Is the Alternative?ĪWS Systems Manager Session Manager. Once the connection to Bastion has been established, another SSH/RDP connection is made to the private service (EC2 instance, for example).In addition, the accessing person must have the key pair associated with the instance.This access is done by SSH connection (Port 22) or RDP (3389) establishing the public source IPs that will access the Bastion Security Group. ![]() Jump servers are often used to connect to a database, perform tests, check application logs, apply updates. Frequently, jump servers or bastion hosts are used as a practice to access resources without Internet access (Private Subnets) within AWS, or even with access to the outside but restricted by IP (Security Group).
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