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---
title: "OS Hardening"
type: concept
tags: [Security, Linux, AWS]
---
## Definition
OS Hardening操作系统加固是通过关闭不必要服务、优化内核参数和应用安全补丁来减少系统攻击面的技术过程。
## Techniques
- 关闭不必要的端口和服务
- 优化内核参数
- 应用安全补丁
- 配置防火墙规则
- 禁用弱协议和算法
- 实施最小权限原则
## Related Concepts
- [[Foundation AMI]] — 应用 OS Hardening 的目标镜像
- [[CIS Benchmarks]] — 安全配置基准
- [[Standard AMI]] — 企业标准化镜像