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wiki/entities/OpenSSH.md
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title: "OpenSSH"
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type: entity
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tags: [ssh, security, networking]
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date: 2026-04-16
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---
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## Definition
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OpenSSH(Open Secure Shell)是 SSH(Secure Shell)协议的开源实现,提供安全的远程登录、文件传输和端口转发功能。
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## Role
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- SSH 服务端软件,提供远程登录服务
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- sftp/scp 命令用于安全文件传输
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## Aliases
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- OpenSSH Server
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- sshd
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## Key Properties
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- 默认端口:22
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- 支持密钥认证和密码认证
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- 支持多平台(Linux、macOS、Windows)
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## Connections
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- [[systemd]] ← managed_by ← [[OpenSSH]]
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- [[UFW]] ← allows ← [[OpenSSH]]
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- [[Ubuntu]] ← hosts ← [[OpenSSH]]
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