环境：
OS:Kylin-Server-10-SP2-x86-Release-Build09-20210524
1.修改配置文件
vi /etc/ssh/sshd_config
Protocol 2 LogLevel VERBOSE PubkeyAuthentication yes RSAAuthentication yes IgnoreRhosts yes RhostsRSAAuthentication no HostbasedAuthentication no PermitEmptyPasswords no PermitUserEnvironment no #Ciphers aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected],[email protected] ClientAliveCountMax 0 Banner /etc/issue.net #MACs hmac-sha2-512,[email protected],hmac-sha2-256,[email protected] StrictModes yes AllowTcpForwarding no AllowAgentForwarding no GatewayPorts no PermitTunnel no #KexAlgorithms curve25519-sha256,[email protected],diffie-hellman-group-exchange-sha256 KexAlgorithms [email protected],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1
红色的注释掉，新增绿色的部分
KexAlgorithms [email protected],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1
2.重新启动ssh
systemctl restart sshd
标签：sha2,hellman,no,ecdh,secureCRT7.0,ssh,diffie,Kylin,sha256 From： https://www.cnblogs.com/hxlasky/p/18298810