Connection closed by foreign host

正常連接之前常用的服務器，登錄不上，報這種錯，，領導在解決，自己查了一下 Connection closing...Socket close. Connection closed by foreign host. 1.服務端日誌獲取 tailf /var/log/secure 2.查看日誌報錯（如下內容） No supported key exchange algorithms 3.SSH 服務會

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