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nexus/wiki/concepts/SSM-Access.md
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---
title: "SSM Access"
type: concept
tags:
- AWS
- Security
- Remote-Access
---
## Definition
SSM AccessAWS Systems Manager Access是一种通过 AWS Systems Manager 实现安全远程访问的方案,用户通过扮演 IAM 角色获得目标 EC2 实例的 SSM agent 访问权限,无需 VPN 即可实现安全连接。
## Application
替代传统 VPN通过浏览器会话或 AWS CLI 访问 AWS 环境内的 EC2 实例。优势包括:双因素认证、安全连接位于 AWS 网络内、成本低、部署快。
## Related Concepts
- [[AWS-Landing-Zone]]
- [[Zero-Trust-Access]]
## Related Entities
- [[AWS]]