更新之后，无法连接上某一个服务器
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Local ident: 'SSH-2.0-ssh2js1.16.0'
Client: Trying 10.12.48.163 on port 22 ...
Socket connected
Remote ident: 'SSH-2.0-OpenSSH_7.4'
Outbound: Sending KEXINIT
Inbound: Handshake in progress
Handshake: (local) KEX method: curve25519-sha256@libssh.org,curve25519-sha256,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha256,diffie-hellman-group15-sha512,diffie-hellman-group16-sha512,diffie-hellman-group17-sha512,diffie-hellman-group18-sha512,ext-info-c,kex-strict-c-v00@openssh.com
Handshake: (remote) KEX method: curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
Handshake: KEX algorithm: curve25519-sha256@libssh.org
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,rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256,ssh-ed25519
Handshake: Host key format: ssh-ed25519
Handshake: (local) C->S cipher: aes128-gcm@openssh.com,aes256-gcm@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr
Handshake: (remote) C->S cipher: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com,aes128-cbc,aes192-cbc,aes256-cbc,blowfish-cbc,cast128-cbc,3des-cbc
Handshake: C->S Cipher: aes128-gcm@openssh.com
Handshake: (local) S->C cipher: aes128-gcm@openssh.com,aes256-gcm@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr
Handshake: (remote) S->C cipher: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com,aes128-cbc,aes192-cbc,aes256-cbc,blowfish-cbc,cast128-cbc,3des-cbc
Handshake: S->C cipher: aes128-gcm@openssh.com
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: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
Handshake: C->S MAC: <implicit>
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: umac-64-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha1-etm@openssh.com,umac-64@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1
Handshake: S->C MAC: <implicit>
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 KEXECDH_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 EXT_INFO
Inbound: Received SERVICE_ACCEPT (ssh-userauth)
Outbound: Sending USERAUTH_REQUEST (none)
Timed out while waiting for handshake
Timed out while waiting for handshake用windows自带的shell进行ssh，或者finalshell等工具都能连接上。但是今天强制更新之后，我就无法连接上这个服务器。
绝对不存在改密码，或者密码不对。服务器密码从安装到现在没改过。就突然连接不上。