ssh链接报错 Unable to negotiate with IP

2017/06/22 linux,sshd,ssh

ssh Unable to negotiate with 182.158.68.5 port 22: no matching host key type found. Their offer: ssh-dss

介绍

  • 今天帮别人部署东西,远程连接服务器的时候发现发生了错误:。
 Unable to negotiate with 182.158.68.5 port 22: no matching host key type found. Their offer: ssh-dss

解决方案

The version of OpenSSH included in 16.04 disables ssh-dss. There’s a neat page with legacy information that includes this issue: http://www.openssh.com/legacy.html In a nutshell, you should add the option -oHostKeyAlgorithms=+ssh-dss to the SSH command:

ssh -oHostKeyAlgorithms=+ssh-dss root@182.158.68.5

成功登录

➜  ~ ssh -oHostKeyAlgorithms=+ssh-dss root@182.158.68.5
The authenticity of host '182.158.68.55 (182.158.68.5)' can't be established.
DSA key fingerprint is SHA256:LVWhbgb8q5TdW2QEsFjOVNp8ekW8UqPVE/KCbMOI4CM.
Are you sure you want to continue connecting (yes/no)? 

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