SecureCRT Key exchange failed

SecureCRT连接出错

英文描述：Key exchange failed. No compatible key exchange method. The server supports these methods: ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256

中文描述：密钥交换失败。没有兼容的密钥交换方法。服务器支持以下方法：ecdh-sha2-nistp256、ecdh-sha2-nistp384、ecdh-sha2-nistp521、diffie-hellman-group-exchange-sha256

解决方法：

编辑 sudo nano /etc/ssh/sshd_config

在文件尾部增加下面：

RSAAuthentication yes
PubkeyAuthentication yes
PasswordAuthentication yes
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

保存退出

编辑 sudo nano /etc/ssh/ssh_config

打开以下：

   GSSAPIAuthentication no
   GSSAPIDelegateCredentials no

   IdentityFile ~/.ssh/id_rsa
   IdentityFile ~/.ssh/id_dsa
   IdentityFile ~/.ssh/id_ecdsa
   IdentityFile ~/.ssh/id_ed25519
   保存退出

重新生成所有钥匙 ssh-keygen -A

service ssh restart重启sshd

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