SecureCRT连接Linux服务器时提示：The client has disconnected from the server. Reason:Protocol version mismatch. Required protocol version is 1.3 - 1.99. Received version was 2.0.
原因为：SecureCRT连接协议不一致导致的。设置协议时选择SSH2，连接即可。
转载于:https://blog.51cto.com/shujuliu/2172290