ssh连接服务器报错：server responded “Algorithm negotiation failes” 解决办法

转自：https://blog.youkuaiyun.com/wyx100/article/details/52078985

ssh工具下载地址：

ssh secure file transfer

http://download.youkuaiyun.com/detail/wyx100/9591076

问题：

ssh连接ubunt16.04系统出现错误：

server  responded “Algorithm negotiation failes”

原因：

服务器响应通过失败

解决方法：

1.在ubuntu命令行打开ssh的配置文件:

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1. sudo vi /etc/ssh/sshd_config  

或

sudo vi /etc/ssh/sshd_config

2.在sshd_config配置文件末尾中添加：

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1. Ciphers aes128-cbc,aes192-cbc,aes256-cbc,aes128-ctr,aes192-ctr,aes256-ctr,3des-cbc,arcfour128,arcfour256,arcfour,blowfish-cbc,cast128-cbc  
2. MACs hmac-md5,hmac-sha1,umac-64@openssh.com,hmac-ripemd160,hmac-sha1-96,hmac-md5-96  
3. KexAlgorithms diffie-hellman-group1-sha1,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group-exchange-sha256,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group1-sha1,curve25519-sha256@libssh.org  

或

Ciphers aes128-cbc,aes192-cbc,aes256-cbc,aes128-ctr,aes192-ctr,aes256-ctr,3des-cbc,arcfour128,arcfour256,arcfour,blowfish-cbc,cast128-cbc
MACs hmac-md5,hmac-sha1,umac-64@openssh.com,hmac-ripemd160,hmac-sha1-96,hmac-md5-96
KexAlgorithms diffie-hellman-group1-sha1,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group-exchange-sha256,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group1-sha1,curve25519-sha256@libssh.org

3.重启sshd服务后，即可正常连接:

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1. sudo /etc/init.d/ssh restart  

或

sudo /etc/init.d/ssh restart

4.log

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1. root@Master:~# sudo vi /etc/ssh/sshd_config  
2. root@Master:~# sudo /etc/init.d/ssh restart  
3. [ ok ] Restarting ssh (via systemctl): ssh.service.