用XSHELL连接linux服务器出现以下错误

Connecting to 42.51.xxx.xxx:22…

Connection established.

To escape to local shell, press ‘Ctrl+Alt+]’.

Socket error Event: 32 Error: 10053.

Connection closing…Socket close.

Connection closed by foreign host.

Disconnected from remote host(.xxx.xxx) at 00:00:00.

Type `help’ to learn how to use Xshell prompt.

连接linux电脑出现的问题：Read from socket failed: Connection reset by peer

解决办法：chmod 400 /etc/ssh/*

重新连接 成功！！！