解决SSH连接server responded “Algorithm negotiation failes”错误

环境:

ssh secure shell client3.2.9 + PC win10 + 远程主机Linux Ubuntu4.4.0

如题:新建连接之后弹出server responded “Algorithm negotiation failes”错误

解决:

在Linux主机上编辑sshd_config,执行命令

sudo vi /etc/ssh/sshd_config

在配置文件末尾添加

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,[email protected],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,[email protected]

重启sshd服务

sudo  etc/init.d/ssh restart

连接正常

报错原因:ssh升级后,为了安全,默认不再采用原来一些加密算法,需要手工添加进去

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