Connection closed by foreign host

正常连接之前常用的服务器，登录不上，报这种错，，领导在解决，自己查了一下 Connection closing...Socket close. Connection closed by foreign host. 1.服务端日志获取 tailf /var/log/secure 2.查看日志报错（如下内容） No supported key exchange algorithms 3.SSH 服务会

>>阅读原文<<