Server responded "Algorithm negotiation failed" SSH Secure連結的伺服器錯誤

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Ubuntu 16.04安裝openssh-server後，使用ssh用戶端串連時可能報此錯誤，情況如所示：

server responded "algorithm negotiation failed”

修改伺服器端ssh的設定檔，目錄為：/etc/ssh/sshd_config，輸入如下命令進行編輯
sudo vi /etc/ssh/sshd_config

切換編輯模式（i），設定參數
PasswordAuthentication yes

在設定檔末尾添加

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]

重啟sshd服務後，ssh用戶端重新串連成功

sudo service ssh restart

Server responded "Algorithm negotiation failed" SSH Secure連結的伺服器錯誤