[root@localhost ~]# ssh -Tvvv git@gitee.com

OpenSSH_7.4p1, OpenSSL 1.0.2k-fips 26 Jan 2017

debug1: Reading configuration data /etc/ssh/ssh_config

debug1: /etc/ssh/ssh_config line 58: Applying options for *

debug2: resolving "gitee.com" port 22

debug2: ssh_connect_direct: needpriv 0

debug1: Connecting to gitee.com [180.76.198.77] port 22.

debug1: Connection established.

debug1: permanently_set_uid: 0/0

debug1: identity file /root/.ssh/id_rsa type 1

debug1: key_load_public: No such file or directory

debug1: identity file /root/.ssh/id_rsa-cert type -1

debug1: key_load_public: No such file or directory

debug1: identity file /root/.ssh/id_dsa type -1

debug1: key_load_public: No such file or directory

debug1: identity file /root/.ssh/id_dsa-cert type -1

debug1: key_load_public: No such file or directory

debug1: identity file /root/.ssh/id_ecdsa type -1

debug1: key_load_public: No such file or directory

debug1: identity file /root/.ssh/id_ecdsa-cert type -1

debug1: identity file /root/.ssh/id_ed25519 type 4

debug1: key_load_public: No such file or directory

debug1: identity file /root/.ssh/id_ed25519-cert type -1

debug1: Enabling compatibility mode for protocol 2.0

debug1: Local version string SSH-2.0-OpenSSH_7.4

debug1: Remote protocol version 2.0, remote software version ssh-pilot-1.7.7

debug1: no match: ssh-pilot-1.7.7

debug2: fd 3 setting O_NONBLOCK

debug1: Authenticating to gitee.com:22 as 'git'

debug3: hostkeys_foreach: reading file "/root/.ssh/known_hosts"

debug3: send packet: type 20

debug1: SSH2_MSG_KEXINIT sent

debug3: receive packet: type 20

debug1: SSH2_MSG_KEXINIT received

debug2: local client KEXINIT proposal

debug2: KEX algorithms: 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,ext-info-c

debug2: host key algorithms: ecdsa-sha2-nistp256-cert-v01@openssh.com,ecdsa-sha2-nistp384-cert-v01@openssh.com,ecdsa-sha2-nistp521-cert-v01@openssh.com,ssh-ed25519-cert-v01@openssh.com,ssh-rsa-cert-v01@openssh.com,ssh-dss-cert-v01@openssh.com,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,ssh-ed25519,rsa-sha2-512,rsa-sha2-256,ssh-rsa,ssh-dss

debug2: ciphers ctos: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com,aes128-cbc,aes192-cbc,aes256-cbc

debug2: ciphers stoc: chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com,aes128-cbc,aes192-cbc,aes256-cbc

debug2: MACs ctos: 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

debug2: MACs stoc: 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

debug2: compression ctos: none,zlib@openssh.com,zlib

debug2: compression stoc: none,zlib@openssh.com,zlib

debug2: languages ctos:

debug2: languages stoc:

debug2: first_kex_follows 0

debug2: reserved 0

debug2: peer server KEXINIT proposal

debug2: KEX algorithms: curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group14-sha256,diffie-hellman-group14-sha1

debug2: host key algorithms: rsa-sha2-256,rsa-sha2-512,ssh-rsa,ssh-dss,ecdsa-sha2-nistp256,ssh-ed25519

debug2: ciphers ctos: aes128-gcm@openssh.com,aes256-gcm@openssh.com,chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr

debug2: ciphers stoc: aes128-gcm@openssh.com,aes256-gcm@openssh.com,chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr

debug2: MACs ctos: hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1,hmac-sha1-96

debug2: MACs stoc: hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-sha1,hmac-sha1-96

debug2: compression ctos: none

debug2: compression stoc: none

debug2: languages ctos:

debug2: languages stoc:

debug2: first_kex_follows 0

debug2: reserved 0

debug1: kex: algorithm: curve25519-sha256

debug1: kex: host key algorithm: ecdsa-sha2-nistp256

debug1: kex: server->client cipher: chacha20-poly1305@openssh.com MAC: <implicit> compression: none

debug1: kex: client->server cipher: chacha20-poly1305@openssh.com MAC: <implicit> compression: none

debug1: kex: curve25519-sha256 need=64 dh_need=64

debug1: kex: curve25519-sha256 need=64 dh_need=64

debug3: send packet: type 30

debug1: expecting SSH2_MSG_KEX_ECDH_REPLY