交换算法都添加了，也不行，用windows自带终端ssh root@10.2.5.11，是可以连接上的，某shell 7.x也可以，不知道是不是不支持老系统的ssh协议？
Handshake: (remote) KEX method: diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
Handshake: KEX algorithm: diffie-hellman-group14-sha1
Handshake: (local) Host key format: ssh-ed25519,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,rsa-sha2-512,rsa-sha2-256,ssh-rsa
Handshake: (remote) Host key format: ssh-rsa,ssh-dss
Handshake: Host key format: ssh-rsa
Handshake: (local) C->S cipher: aes128-gcm@openssh.com,aes256-gcm@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr
Handshake: (remote) C->S cipher: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se
Handshake: C->S Cipher: aes128-ctr
Handshake: (local) S->C cipher: aes128-gcm@openssh.com,aes256-gcm@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr
Handshake: (remote) S->C cipher: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se
Handshake: S->C cipher: aes128-ctr
Handshake: (local) C->S MAC: hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
Handshake: (remote) C->S MAC: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96
Handshake: C->S MAC: hmac-sha1
Handshake: (local) S->C MAC: hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
Handshake: (remote) S->C MAC: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96
Handshake: S->C MAC: hmac-sha1
Handshake: (local) C->S compression: none,zlib@openssh.com,zlib
Handshake: (remote) C->S compression: none,zlib@openssh.com
Handshake: C->S compression: none
Handshake: (local) S->C compression: none,zlib@openssh.com,zlib
Handshake: (remote) S->C compression: none,zlib@openssh.com
Handshake: S->C compression: none
Outbound: Sending KEXDH_INIT
Received DH Reply
Host accepted by default (no verification)
Host accepted (verified)
Outbound: Sending NEWKEYS
Inbound: NEWKEYS
Verifying signature ...
Verified signature
Handshake completed
Outbound: Sending SERVICE_REQUEST (ssh-userauth)
Inbound: Received SERVICE_ACCEPT (ssh-userauth)
Outbound: Sending USERAUTH_REQUEST (none)
Inbound: Received USERAUTH_FAILURE (publickey,password)
Client: none auth failed
Outbound: Sending USERAUTH_REQUEST (password)
Inbound: Received USERAUTH_FAILURE (publickey,password)
Client: password auth failed
Outbound: Sending USERAUTH_REQUEST (keyboard-interactive)
Inbound: Received USERAUTH_FAILURE (publickey,password)
Client: keyboard-interactive auth failed
All configured authentication methods failed