ssh client 报 algorithm negotiation failed 错误，修改sshd_config，重启服务失败

1）window系统打开ssh client 连接centos失败提示

2）报 algorithm negotiation failed错误
3）根据网上查找在centos中修改配置文件/etc/ssh/sshd_config

# vi /etc/ssh/sshd_config

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,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-nis
tp521,diffie-hellman-group1-sha1,curve25519-sha256@libssh.org

保存

4）重启服务
service sshd restart

5）重启失败 ：

应该如何解决

要看错误日志，为什么重启失败，看是不是不支持你做的修改。