ubuntu 使用ssh client 报 algorithm negotiation failed和解决方法
ubuntu 使用ssh client 报 algorithm negotiation failed和解决方法铁网维使用的是ubuntu 16 但在14版本也同样有这样的问题
导致此问题的原因是ssh升级后,为了安全,默认不再采用原来一些加密算法,我们手工添加进去即可。
具体报错如下:
Server responded "Algorithm negotiation failed".Key exchange with the remote host failed. This can happen for example if the remote host computer does not support the selected algorithms.
修改sshd的配置文件 /etc/ssh/sshd_config
在配置文件底部添加:
Ciphers aes128-cbc,aes192-cbc,aes256-cbc,aes128-ctr,aes192-ctr,aes256-ctr,3des-cbc,arcfour128,arcfour256,arcfour,blowfish-cbc,cast128-cbcMACs hmac-md5,hmac-sha1,umac-64@openssh.com,hmac-ripemd160,hmac-sha1-96,hmac-md5-96KexAlgorithms 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
重启sshd服务后,即可正常连接。
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