SSH 为 Secure Shell 的缩写,SSH 为建立在应用层和传输层基础上的安全协议。SSH 是目前较可靠，专为远程登录会话和其他网络服务提供安全性的协议。(SSH is the abbreviation for Secure Shell, and SSH is a security protocol based on the application layer and the transport layer. SSH is currently more reliable and pro