server_side

Aug  4 06:41:55 ubuntu sshd[8173]: debug3: fd 5 is not O_NONBLOCK
Aug  4 06:41:55 ubuntu sshd[8173]: debug1: Forked child 8224.
Aug  4 06:41:55 ubuntu sshd[8173]: debug3: send_rexec_state: entering fd = 8 config len 749
Aug  4 06:41:55 ubuntu sshd[8173]: debug3: ssh_msg_send: type 0
Aug  4 06:41:55 ubuntu sshd[8173]: debug3: send_rexec_state: done
Aug  4 06:41:55 ubuntu sshd[8224]: debug3: oom_adjust_restore
Aug  4 06:41:55 ubuntu sshd[8224]: debug1: Set /proc/self/oom_score_adj to 0
Aug  4 06:41:55 ubuntu sshd[8224]: debug1: rexec start in 5 out 5 newsock 5 pipe 7 sock 8
Aug  4 06:41:55 ubuntu sshd[8224]: debug1: inetd sockets after dupping: 3, 3
Aug  4 06:41:55 ubuntu sshd[8224]: Connection from 54.209.53.99 port 37322 on 151.236.217.179 port 22
Aug  4 06:41:55 ubuntu sshd[8224]: debug1: Client protocol version 2.0; client software version OpenSSH_6.7p1 Debian-5+deb8u4
Aug  4 06:41:55 ubuntu sshd[8224]: debug1: match: OpenSSH_6.7p1 Debian-5+deb8u4 pat OpenSSH* compat 0x04000000
Aug  4 06:41:55 ubuntu sshd[8224]: debug1: Enabling compatibility mode for protocol 2.0
Aug  4 06:41:55 ubuntu sshd[8224]: debug1: Local version string SSH-2.0-OpenSSH_7.2p2 Ubuntu-4ubuntu2.4
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: fd 3 setting O_NONBLOCK
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: Network child is on pid 8225
Aug  4 06:41:55 ubuntu sshd[8224]: debug3: preauth child monitor started
Aug  4 06:41:55 ubuntu sshd[8224]: debug3: privsep user:group 103:65534 [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug1: permanently_set_uid: 103/65534 [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug3: list_hostkey_types: ssh-dss key not permitted by HostkeyAlgorithms [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug1: list_hostkey_types: ssh-rsa,rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256,ssh-ed25519 [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug3: send packet: type 20 [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug1: SSH2_MSG_KEXINIT sent [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug3: receive packet: type 20 [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug1: SSH2_MSG_KEXINIT received [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: local server KEXINIT proposal [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: KEX algorithms: [email protected],ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1 [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: host key algorithms: ssh-rsa,rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256,ssh-ed25519 [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: ciphers ctos: [email protected],aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected] [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: ciphers stoc: [email protected],aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected] [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: MACs ctos: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1 [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: MACs stoc: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1 [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: compression ctos: none,[email protected] [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: compression stoc: none,[email protected] [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: languages ctos:  [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: languages stoc:  [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: first_kex_follows 0  [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: reserved 0  [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: peer client KEXINIT proposal [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: KEX algorithms: [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 [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: host key algorithms: [email protected],[email protected],[email protected],ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,[email protected],[email protected],[email protected],[email protected],[email protected],ssh-ed25519,ssh-rsa,ssh-dss [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: ciphers ctos: aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected],[email protected],arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,[email protected] [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: ciphers stoc: aes128-ctr,aes192-ctr,aes256-ctr,[email protected],[email protected],[email protected],arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,[email protected] [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: MACs ctos: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1,[email protected],[email protected],[email protected],[email protected],hmac-md5,hmac-ripemd160,[email protected],hmac-sha1-96,hmac-md5-96 [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: MACs stoc: [email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],hmac-sha2-256,hmac-sha2-512,hmac-sha1,[email protected],[email protected],[email protected],[email protected],hmac-md5,hmac-ripemd160,[email protected],hmac-sha1-96,hmac-md5-96 [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: compression ctos: none,[email protected],zlib [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: compression stoc: none,[email protected],zlib [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: languages ctos:  [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: languages stoc:  [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: first_kex_follows 0  [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: reserved 0  [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug1: kex: algorithm: [email protected] [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug1: kex: host key algorithm: ecdsa-sha2-nistp256 [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug1: kex: client->server cipher: aes128-ctr MAC: [email protected] compression: none [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug1: kex: server->client cipher: aes128-ctr MAC: [email protected] compression: none [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug1: expecting SSH2_MSG_KEX_ECDH_INIT [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug3: receive packet: type 30 [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug3: mm_key_sign entering [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug3: mm_request_send entering: type 6 [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug3: mm_request_receive entering
Aug  4 06:41:55 ubuntu sshd[8224]: debug3: monitor_read: checking request 6
Aug  4 06:41:55 ubuntu sshd[8224]: debug3: mm_answer_sign
Aug  4 06:41:55 ubuntu sshd[8224]: debug3: mm_answer_sign: hostkey proof signature 0x558f8c9e0420(100)
Aug  4 06:41:55 ubuntu sshd[8224]: debug3: mm_request_send entering: type 7
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: monitor_read: 6 used once, disabling now
Aug  4 06:41:55 ubuntu sshd[8224]: debug3: mm_key_sign: waiting for MONITOR_ANS_SIGN [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug3: mm_request_receive_expect entering: type 7 [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug3: mm_request_receive entering [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug3: send packet: type 31 [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug3: send packet: type 21 [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: set_newkeys: mode 1 [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug1: rekey after 4294967296 blocks [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug1: SSH2_MSG_NEWKEYS sent [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug1: expecting SSH2_MSG_NEWKEYS [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug3: receive packet: type 21 [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug2: set_newkeys: mode 0 [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug1: rekey after 4294967296 blocks [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug1: SSH2_MSG_NEWKEYS received [preauth]
Aug  4 06:41:55 ubuntu sshd[8224]: debug1: KEX done [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: receive packet: type 5 [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: send packet: type 6 [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: receive packet: type 50 [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: userauth-request for user root service ssh-connection method none [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: attempt 0 failures 0 [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_getpwnamallow entering [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_request_send entering: type 8 [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_request_receive entering
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: monitor_read: checking request 8
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_answer_pwnamallow
Aug  4 06:41:56 ubuntu sshd[8224]: debug2: parse_server_config: config reprocess config len 749
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_answer_pwnamallow: sending MONITOR_ANS_PWNAM: 1
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_request_send entering: type 9
Aug  4 06:41:56 ubuntu sshd[8224]: debug2: monitor_read: 8 used once, disabling now
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_getpwnamallow: waiting for MONITOR_ANS_PWNAM [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_request_receive_expect entering: type 9 [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_request_receive entering [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug2: input_userauth_request: setting up authctxt for root [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_start_pam entering [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_request_send entering: type 100 [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_inform_authserv entering [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_request_send entering: type 4 [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug2: input_userauth_request: try method none [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: userauth_finish: failure partial=0 next methods="publickey" [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: send packet: type 51 [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_request_receive entering
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: monitor_read: checking request 100
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: PAM: initializing for "root"
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: PAM: setting PAM_RHOST to "54.209.53.99"
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: PAM: setting PAM_TTY to "ssh"
Aug  4 06:41:56 ubuntu sshd[8224]: debug2: monitor_read: 100 used once, disabling now
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_request_receive entering
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: monitor_read: checking request 4
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_answer_authserv: service=ssh-connection, style=, role=
Aug  4 06:41:56 ubuntu sshd[8224]: debug2: monitor_read: 4 used once, disabling now
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: receive packet: type 50 [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: userauth-request for user root service ssh-connection method publickey [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: attempt 1 failures 0 [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug2: input_userauth_request: try method publickey [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: userauth_pubkey: test whether pkalg/pkblob are acceptable for RSA SHA256:8M/nwWZNHUcr51WmJc7A+WOH6Tb209ybET+BuN92GrI [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_key_allowed entering [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_request_send entering: type 22 [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_key_allowed: waiting for MONITOR_ANS_KEYALLOWED [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_request_receive_expect entering: type 23 [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_request_receive entering [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_request_receive entering
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: monitor_read: checking request 22
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_answer_keyallowed entering
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_answer_keyallowed: key_from_blob: 0x558f8c9ec860
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: temporarily_use_uid: 0/0 (e=0/0)
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: trying public key file /root/.ssh/authorized_keys
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: fd 4 clearing O_NONBLOCK
Aug  4 06:41:56 ubuntu sshd[8224]: debug2: key not found
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: restore_uid: 0/0
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: temporarily_use_uid: 0/0 (e=0/0)
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: trying public key file /root/.ssh/authorized_keys2
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: Could not open authorized keys '/root/.ssh/authorized_keys2': No such file or directory
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: restore_uid: 0/0
Aug  4 06:41:56 ubuntu sshd[8224]: Failed publickey for root from 54.209.53.99 port 37322 ssh2: RSA SHA256:8M/nwWZNHUcr51WmJc7A+WOH6Tb209ybET+BuN92GrI
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_answer_keyallowed: key 0x558f8c9ec860 is not allowed
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_request_send entering: type 23
Aug  4 06:41:56 ubuntu sshd[8224]: debug2: userauth_pubkey: authenticated 0 pkalg ssh-rsa [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: userauth_finish: failure partial=0 next methods="publickey" [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: send packet: type 51 [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: receive packet: type 50 [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: userauth-request for user root service ssh-connection method publickey [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: attempt 2 failures 1 [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug2: input_userauth_request: try method publickey [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: userauth_pubkey: test whether pkalg/pkblob are acceptable for RSA SHA256:+NhhpuPu+3ewYfSUNJhMa2UVfVk2qcZk2NzoKUSEA68 [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_key_allowed entering [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_request_send entering: type 22 [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_key_allowed: waiting for MONITOR_ANS_KEYALLOWED [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_request_receive_expect entering: type 23 [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_request_receive entering [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_request_receive entering
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: monitor_read: checking request 22
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_answer_keyallowed entering
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_answer_keyallowed: key_from_blob: 0x558f8c9ed1b0
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: temporarily_use_uid: 0/0 (e=0/0)
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: trying public key file /root/.ssh/authorized_keys
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: fd 4 clearing O_NONBLOCK
Aug  4 06:41:56 ubuntu sshd[8224]: debug2: key not found
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: restore_uid: 0/0
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: temporarily_use_uid: 0/0 (e=0/0)
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: trying public key file /root/.ssh/authorized_keys2
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: Could not open authorized keys '/root/.ssh/authorized_keys2': No such file or directory
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: restore_uid: 0/0
Aug  4 06:41:56 ubuntu sshd[8224]: Failed publickey for root from 54.209.53.99 port 37322 ssh2: RSA SHA256:+NhhpuPu+3ewYfSUNJhMa2UVfVk2qcZk2NzoKUSEA68
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_answer_keyallowed: key 0x558f8c9ed1b0 is not allowed
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_request_send entering: type 23
Aug  4 06:41:56 ubuntu sshd[8224]: debug2: userauth_pubkey: authenticated 0 pkalg ssh-rsa [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: userauth_finish: failure partial=0 next methods="publickey" [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: send packet: type 51 [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: receive packet: type 50 [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: userauth-request for user root service ssh-connection method publickey [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: attempt 3 failures 2 [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug2: input_userauth_request: try method publickey [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: userauth_pubkey: have signature for RSA SHA256:8M/nwWZNHUcr51WmJc7A+WOH6Tb209ybET+BuN92GrI [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_key_allowed entering [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_request_send entering: type 22 [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_key_allowed: waiting for MONITOR_ANS_KEYALLOWED [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_request_receive_expect entering: type 23 [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_request_receive entering [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_request_receive entering
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: monitor_read: checking request 22
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_answer_keyallowed entering
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_answer_keyallowed: key_from_blob: 0x558f8c9ed1b0
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: temporarily_use_uid: 0/0 (e=0/0)
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: trying public key file /root/.ssh/authorized_keys
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: fd 4 clearing O_NONBLOCK
Aug  4 06:41:56 ubuntu sshd[8224]: debug2: key not found
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: restore_uid: 0/0
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: temporarily_use_uid: 0/0 (e=0/0)
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: trying public key file /root/.ssh/authorized_keys2
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: Could not open authorized keys '/root/.ssh/authorized_keys2': No such file or directory
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: restore_uid: 0/0
Aug  4 06:41:56 ubuntu sshd[8224]: Failed publickey for root from 54.209.53.99 port 37322 ssh2: RSA SHA256:8M/nwWZNHUcr51WmJc7A+WOH6Tb209ybET+BuN92GrI
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_answer_keyallowed: key 0x558f8c9ed1b0 is not allowed
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_request_send entering: type 23
Aug  4 06:41:56 ubuntu sshd[8224]: debug2: userauth_pubkey: authenticated 0 pkalg ssh-rsa [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: userauth_finish: failure partial=0 next methods="publickey" [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: send packet: type 51 [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: Connection closed by 54.209.53.99 port 37322 [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: do_cleanup [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: PAM: sshpam_thread_cleanup entering [preauth]
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: monitor_read_log: child log fd closed
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: mm_request_receive entering
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: do_cleanup
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: PAM: cleanup
Aug  4 06:41:56 ubuntu sshd[8224]: debug3: PAM: sshpam_thread_cleanup entering
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: Killing privsep child 8225
Aug  4 06:41:56 ubuntu sshd[8224]: debug1: audit_event: unhandled event 12