^C doesnt work on ssh session
Sudarshan Soma
sudarshan12s at gmail.com
Mon Feb 6 18:44:52 AEDT 2017
Hi Darren, I am sending openssh (unchanged ) version, can you please
comment, if it has anything to do with linked libraries , libssl, libcrypto
? any hint/suggestion, please let us know
:/root #/usr/bin/sshd -ddd -p 2024 -f /home//cliuser/sshd_config
debug2: load_server_config: filename /home//cliuser/sshd_config
debug2: load_server_config: done config len = 684
debug2: parse_server_config: config /home//cliuser/sshd_config len 684
debug3: /home//cliuser/sshd_config:2 setting Port 22
debug3: /home//cliuser/sshd_config:3 setting Protocol 2
debug3: /home//cliuser/sshd_config:4 setting HostKey /etc/ssh/ssh_host_key
debug3: /home//cliuser/sshd_config:5 setting HostKey
/etc/ssh/ssh_host_rsa_key
debug3: /home//cliuser/sshd_config:6 setting MACs hmac-sha1-etm at openssh.com,
hmac-sha2-256-etm at openssh.com,hmac-sha2-512-etm at openssh.com,
hmac-ripemd160-etm at openssh.com
,hmac-sha1,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,
hmac-ripemd160 at openssh.com
debug3: macs ok: [hmac-sha1-etm at openssh.com,hmac-sha2-256-etm at openssh.com,
hmac-sha2-512-etm at openssh.com,hmac-ripemd160-etm at openssh.com
,hmac-sha1,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,
hmac-ripemd160 at openssh.com]
debug3: /home//cliuser/sshd_config:7 setting Ciphers
aes128-ctr,aes192-ctr,aes256-ctr
debug3: ciphers ok: [aes128-ctr,aes192-ctr,aes256-ctr]
debug3: /home//cliuser/sshd_config:8 setting AllowUsers cliuser acli xml
sneaccess root
debug3: /home//cliuser/sshd_config:10 setting AuthorizedKeysFile
.ssh/authorized_keys
debug3: /home//cliuser/sshd_config:11 setting PermitEmptyPasswords yes
debug3: /home//cliuser/sshd_config:12 setting PasswordAuthentication yes
debug3: /home//cliuser/sshd_config:13 setting
ChallengeResponseAuthentication no
debug3: /home//cliuser/sshd_config:14 setting AllowAgentForwarding no
debug3: /home//cliuser/sshd_config:15 setting GatewayPorts no
debug3: /home//cliuser/sshd_config:16 setting X11Forwarding no
debug3: /home//cliuser/sshd_config:17 setting TCPKeepAlive yes
debug3: /home//cliuser/sshd_config:18 setting PidFile /tmp/sshd.pid
debug3: /home//cliuser/sshd_config:19 setting UsePrivilegeSeparation no
debug3: /home//cliuser/sshd_config:20 setting ClientAliveInterval 15
debug3: /home//cliuser/sshd_config:21 setting ClientAliveCountMax 3
debug3: /home//cliuser/sshd_config:22 setting MaxStartups 25
debug1: sshd version OpenSSH_6.6, OpenSSL 1.0.1h 5 Jun 2014
debug3: Incorrect RSA1 identifier
debug1: key_parse_private2: missing begin marker
debug1: read PEM private key done: type RSA
debug3: Incorrect RSA1 identifier
debug3: Could not load "/etc/ssh_key" as a RSA1 public key
debug1: private host key: #0 type 1 RSA
debug1: could not open key file '/etc/ssh/ssh_host_key': No such file or
directory
Could not load host key: /etc/ssh/ssh_host_key
debug1: could not open key file '/etc/ssh/ssh_host_rsa_key': No such file
or directory
Could not load host key: /etc/ssh/ssh_host_rsa_key
debug1: rexec_argv[0]='/usr/bin/sshd'
debug1: rexec_argv[1]='-ddd'
debug1: rexec_argv[2]='-p'
debug1: rexec_argv[3]='2024'
debug1: rexec_argv[4]='-f'
debug1: rexec_argv[5]='/home//cliuser/sshd_config'
debug1: rexec_argv[6]='-h'
debug1: rexec_argv[7]='/etc/ssh_key'
debug3: oom_adjust_setup
Set /proc/self/oom_score_adj from 0 to -1000
debug2: fd 3 setting O_NONBLOCK
debug1: Bind to port 2024 on 0.0.0.0.
Server listening on 0.0.0.0 port 2024.
debug2: fd 4 setting O_NONBLOCK
debug3: sock_set_v6only: set socket 4 IPV6_V6ONLY
debug1: Bind to port 2024 on ::.
Server listening on :: port 2024.
debug3: fd 5 is not O_NONBLOCK
debug1: Server will not fork when running in debugging mode.
debug3: send_rexec_state: entering fd = 8 config len 684
debug3: ssh_msg_send: type 0
debug3: send_rexec_state: done
debug1: rexec start in 5 out 5 newsock 5 pipe -1 sock 8
debug1: inetd sockets after dupping: 3, 3
Connection from 10.220.82.17 port 55099 on 10.100.212.166 port 2024
debug1: Client protocol version 2.0; client software version OpenSSH_5.3
debug1: match: OpenSSH_5.3 pat OpenSSH_5* compat 0x0c000000
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_6.6
debug2: fd 3 setting O_NONBLOCK
debug1: list_hostkey_types: ssh-rsa
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug2: kex_parse_kexinit: curve25519-sha256 at libssh.org
,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
debug2: kex_parse_kexinit: ssh-rsa
debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr
debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr
debug2: kex_parse_kexinit: hmac-sha1-etm at openssh.com,
hmac-sha2-256-etm at openssh.com,hmac-sha2-512-etm at openssh.com,
hmac-ripemd160-etm at openssh.com
,hmac-sha1,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,
hmac-ripemd160 at openssh.com
debug2: kex_parse_kexinit: hmac-sha1-etm at openssh.com,
hmac-sha2-256-etm at openssh.com,hmac-sha2-512-etm at openssh.com,
hmac-ripemd160-etm at openssh.com
,hmac-sha1,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,
hmac-ripemd160 at openssh.com
debug2: kex_parse_kexinit: none,zlib at openssh.com
debug2: kex_parse_kexinit: none,zlib at openssh.com
debug2: kex_parse_kexinit:
debug2: kex_parse_kexinit:
debug2: kex_parse_kexinit: first_kex_follows 0
debug2: kex_parse_kexinit: reserved 0
debug2: kex_parse_kexinit:
diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
debug2: kex_parse_kexinit: ssh-rsa-cert-v01 at openssh.com,
ssh-dss-cert-v01 at openssh.com,ssh-rsa-cert-v00 at openssh.com,
ssh-dss-cert-v00 at openssh.com,ssh-rsa,ssh-dss
debug2: kex_parse_kexinit:
aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,
rijndael-cbc at lysator.liu.se
debug2: kex_parse_kexinit:
aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,
rijndael-cbc at lysator.liu.se
debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64 at openssh.com
,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,hmac-ripemd160 at openssh.com
,hmac-sha1-96,hmac-md5-96
debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64 at openssh.com
,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,hmac-ripemd160 at openssh.com
,hmac-sha1-96,hmac-md5-96
debug2: kex_parse_kexinit: none,zlib at openssh.com,zlib
debug2: kex_parse_kexinit: none,zlib at openssh.com,zlib
debug2: kex_parse_kexinit:
debug2: kex_parse_kexinit:
debug2: kex_parse_kexinit: first_kex_follows 0
debug2: kex_parse_kexinit: reserved 0
debug2: mac_setup: setup hmac-sha1
debug1: kex: client->server aes128-ctr hmac-sha1 none
debug2: mac_setup: setup hmac-sha1
debug1: kex: server->client aes128-ctr hmac-sha1 none
debug1: SSH2_MSG_KEX_DH_GEX_REQUEST received
WARNING: /usr/local/etc/moduli does not exist, using fixed modulus
debug1: SSH2_MSG_KEX_DH_GEX_GROUP sent
debug2: bits set: 991/2048
debug1: expecting SSH2_MSG_KEX_DH_GEX_INIT
debug2: bits set: 1045/2048
debug1: SSH2_MSG_KEX_DH_GEX_REPLY sent
debug2: kex_derive_keys
debug2: set_newkeys: mode 1
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug2: set_newkeys: mode 0
debug1: SSH2_MSG_NEWKEYS received
debug1: KEX done
debug1: userauth-request for user root service ssh-connection method none
debug1: attempt 0 failures 0
debug3: Trying to reverse map address 10.220.82.17.
debug2: parse_server_config: config reprocess config len 684
debug3: auth_shadow_acctexpired: today 17203 sp_expire -1 days left -17204
debug3: account expiration disabled
debug2: input_userauth_request: setting up authctxt for root
debug2: input_userauth_request: try method none
debug3: auth_shadow_pwexpired: today 17203 sp_lstchg 17177 sp_max 99999
Failed none for root from 10.220.82.17 port 55099 ssh2
debug3: userauth_finish: failure partial=0 next methods="publickey,password"
debug1: userauth-request for user root service ssh-connection method
password
debug1: attempt 1 failures 0
debug2: input_userauth_request: try method password
Accepted password for root from 10.220.82.17 port 55099 ssh2
debug1: Entering interactive session for SSH2.
debug2: fd 4 setting O_NONBLOCK
debug2: fd 5 setting O_NONBLOCK
debug1: server_init_dispatch_20
debug1: server_input_channel_open: ctype session rchan 0 win 1048576 max
16384
debug1: input_session_request
debug1: channel 0: new [server-session]
debug2: session_new: allocate (allocated 0 max 10)
debug3: session_unused: session id 0 unused
debug1: session_new: session 0
debug1: session_open: channel 0
debug1: session_open: session 0: link with channel 0
debug1: server_input_channel_open: confirm session
debug1: server_input_global_request: rtype no-more-sessions at openssh.com
want_reply 0
debug1: server_input_channel_req: channel 0 request pty-req reply 1
debug1: session_by_channel: session 0 channel 0
debug1: session_input_channel_req: session 0 req pty-req
debug1: Allocating pty.
debug1: session_pty_req: session 0 alloc /dev/pts/1
debug1: server_input_channel_req: channel 0 request env reply 0
debug1: session_by_channel: session 0 channel 0
debug1: session_input_channel_req: session 0 req env
debug2: Ignoring env request LANG: disallowed name
debug1: server_input_channel_req: channel 0 request shell reply 1
debug1: session_by_channel: session 0 channel 0
debug1: session_input_channel_req: session 0 req shell
Starting session: shell on pts/1 for root from 10.220.82.17 port 55099
debug2: fd 3 setting TCP_NODELAY
debug3: packet_set_tos: set IP_TOS 0x10
debug2: channel 0: rfd 8 isatty
debug2: fd 8 setting O_NONBLOCK
debug3: fd 6 is O_NONBLOCK
debug2: channel 0: request keepalive at openssh.com confirm 1
debug1: Got 100/21 for keepalive
debug2: channel 0: request keepalive at openssh.com confirm 1
debug1: Got 100/22 for keepalive
debug2: channel 0: request keepalive at openssh.com confirm 1
debug1: Got 100/23 for keepalive
^CExiting on signal 2
debug1: do_cleanup
debug1: session_pty_cleanup: session 0 release /dev/pts/1
:/root #
client logs:
ssh -vvv root at 10.100.212.166 -p 2024
OpenSSH_5.3p1, OpenSSL 1.0.1e-fips 11 Feb 2013
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug2: ssh_connect: needpriv 0
debug1: Connecting to 10.100.212.166 [10.100.212.166] port 2024.
debug1: Connection established.
debug1: identity file /home/ssoma/.ssh/identity type -1
debug1: identity file /home/ssoma/.ssh/identity-cert type -1
debug1: identity file /home/ssoma/.ssh/id_rsa type -1
debug1: identity file /home/ssoma/.ssh/id_rsa-cert type -1
debug1: identity file /home/ssoma/.ssh/id_dsa type -1
debug1: identity file /home/ssoma/.ssh/id_dsa-cert type -1
debug1: Remote protocol version 2.0, remote software version OpenSSH_6.6
debug1: match: OpenSSH_6.6 pat OpenSSH*
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_5.3
debug2: fd 4 setting O_NONBLOCK
debug1: SSH2_MSG_KEXINIT sent
debug3: Wrote 960 bytes for a total of 981
debug1: SSH2_MSG_KEXINIT received
debug2: kex_parse_kexinit:
diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
debug2: kex_parse_kexinit: ssh-rsa-cert-v01 at openssh.com,
ssh-dss-cert-v01 at openssh.com,ssh-rsa-cert-v00 at openssh.com,
ssh-dss-cert-v00 at openssh.com,ssh-rsa,ssh-dss
debug2: kex_parse_kexinit:
aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,
rijndael-cbc at lysator.liu.se
debug2: kex_parse_kexinit:
aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,
rijndael-cbc at lysator.liu.se
debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64 at openssh.com
,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,hmac-ripemd160 at openssh.com
,hmac-sha1-96,hmac-md5-96
debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64 at openssh.com
,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,hmac-ripemd160 at openssh.com
,hmac-sha1-96,hmac-md5-96
debug2: kex_parse_kexinit: none,zlib at openssh.com,zlib
debug2: kex_parse_kexinit: none,zlib at openssh.com,zlib
debug2: kex_parse_kexinit:
debug2: kex_parse_kexinit:
debug2: kex_parse_kexinit: first_kex_follows 0
debug2: kex_parse_kexinit: reserved 0
debug2: kex_parse_kexinit: curve25519-sha256 at libssh.org
,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
debug2: kex_parse_kexinit: ssh-rsa
debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr
debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr
debug2: kex_parse_kexinit: hmac-sha1-etm at openssh.com,
hmac-sha2-256-etm at openssh.com,hmac-sha2-512-etm at openssh.com,
hmac-ripemd160-etm at openssh.com
,hmac-sha1,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,
hmac-ripemd160 at openssh.com
debug2: kex_parse_kexinit: hmac-sha1-etm at openssh.com,
hmac-sha2-256-etm at openssh.com,hmac-sha2-512-etm at openssh.com,
hmac-ripemd160-etm at openssh.com
,hmac-sha1,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,
hmac-ripemd160 at openssh.com
debug2: kex_parse_kexinit: none,zlib at openssh.com
debug2: kex_parse_kexinit: none,zlib at openssh.com
debug2: kex_parse_kexinit:
debug2: kex_parse_kexinit:
debug2: kex_parse_kexinit: first_kex_follows 0
debug2: kex_parse_kexinit: reserved 0
debug2: mac_setup: found hmac-sha1
debug1: kex: server->client aes128-ctr hmac-sha1 none
debug2: mac_setup: found hmac-sha1
debug1: kex: client->server aes128-ctr hmac-sha1 none
debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<2048<8192) sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
debug3: Wrote 24 bytes for a total of 1005
debug2: dh_gen_key: priv key bits set: 165/320
debug2: bits set: 1045/2048
debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
debug3: Wrote 272 bytes for a total of 1277
debug3: put_host_port: [10.100.212.166]:2024
debug3: put_host_port: [10.100.212.166]:2024
debug3: check_host_in_hostfile: host [10.100.212.166]:2024 filename
/home/ssoma/.ssh/known_hosts
debug3: check_host_in_hostfile: host [10.100.212.166]:2024 filename
/home/ssoma/.ssh/known_hosts
debug3: check_host_in_hostfile: host [10.100.212.166]:2024 filename
/etc/ssh/ssh_known_hosts
debug3: check_host_in_hostfile: host [10.100.212.166]:2024 filename
/etc/ssh/ssh_known_hosts
debug3: check_host_in_hostfile: host [10.100.212.166]:2024 filename
/home/ssoma/.ssh/known_hosts
debug3: check_host_in_hostfile: host [10.100.212.166]:2024 filename
/home/ssoma/.ssh/known_hosts
debug3: check_host_in_hostfile: host [10.100.212.166]:2024 filename
/etc/ssh/ssh_known_hosts
debug3: check_host_in_hostfile: host [10.100.212.166]:2024 filename
/etc/ssh/ssh_known_hosts
debug1: checking without port identifier
debug3: check_host_in_hostfile: host 10.100.212.166 filename
/home/ssoma/.ssh/known_hosts
debug3: check_host_in_hostfile: host 10.100.212.166 filename
/home/ssoma/.ssh/known_hosts
debug3: check_host_in_hostfile: match line 135
debug1: Host '10.100.212.166' is known and matches the RSA host key.
debug1: Found key in /home/ssoma/.ssh/known_hosts:135
debug1: found matching key w/out port
debug2: bits set: 991/2048
debug1: ssh_rsa_verify: signature correct
debug2: kex_derive_keys
debug2: set_newkeys: mode 1
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug3: Wrote 16 bytes for a total of 1293
debug2: set_newkeys: mode 0
debug1: SSH2_MSG_NEWKEYS received
debug1: SSH2_MSG_SERVICE_REQUEST sent
debug3: Wrote 52 bytes for a total of 1345
debug2: service_accept: ssh-userauth
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug2: key: /home/ssoma/.ssh/identity ((nil))
debug2: key: /home/ssoma/.ssh/id_rsa ((nil))
debug2: key: /home/ssoma/.ssh/id_dsa ((nil))
debug3: Wrote 68 bytes for a total of 1413
debug1: Authentications that can continue: publickey,password
debug3: start over, passed a different list publickey,password
debug3: preferred
gssapi-keyex,gssapi-with-mic,publickey,keyboard-interactive,password
debug3: authmethod_lookup publickey
debug3: remaining preferred: keyboard-interactive,password
debug3: authmethod_is_enabled publickey
debug1: Next authentication method: publickey
debug1: Trying private key: /home/ssoma/.ssh/identity
debug3: no such identity: /home/ssoma/.ssh/identity
debug1: Trying private key: /home/ssoma/.ssh/id_rsa
debug3: no such identity: /home/ssoma/.ssh/id_rsa
debug1: Trying private key: /home/ssoma/.ssh/id_dsa
debug3: no such identity: /home/ssoma/.ssh/id_dsa
debug2: we did not send a packet, disable method
debug3: authmethod_lookup password
debug3: remaining preferred: ,password
debug3: authmethod_is_enabled password
debug1: Next authentication method: password
root at 10.100.212.166's password:
debug3: packet_send2: adding 64 (len 57 padlen 7 extra_pad 64)
debug2: we sent a password packet, wait for reply
debug3: Wrote 148 bytes for a total of 1561
debug1: Authentication succeeded (password).
debug1: channel 0: new [client-session]
debug3: ssh_session2_open: channel_new: 0
debug2: channel 0: send open
debug1: Requesting no-more-sessions at openssh.com
debug1: Entering interactive session.
debug3: Wrote 136 bytes for a total of 1697
debug2: callback start
debug2: client_session2_setup: id 0
debug2: channel 0: request pty-req confirm 1
debug1: Sending environment.
debug3: Ignored env CCACHE_NOSTATS
debug3: Ignored env HOSTNAME
debug3: Ignored env TERM
debug3: Ignored env SHELL
debug3: Ignored env HISTSIZE
debug3: Ignored env SSH_CLIENT
debug3: Ignored env CCACHE_LOGFILE
debug3: Ignored env QTDIR
debug3: Ignored env OLDPWD
debug3: Ignored env QTINC
debug3: Ignored env SSH_TTY
debug3: Ignored env USER
debug3: Ignored env LS_COLORS
debug3: Ignored env CSCOPE_EDITOR
debug3: Ignored env COVLM
debug3: Ignored env MAIL
debug3: Ignored env PATH
debug3: Ignored env PWD
debug1: Sending env LANG = en_US.UTF-8
debug2: channel 0: request env confirm 0
debug3: Ignored env MODULEPATH
debug3: Ignored env LOADEDMODULES
debug3: Ignored env P4CLIENT
debug3: Ignored env SSH_ASKPASS
debug3: Ignored env HISTCONTROL
debug3: Ignored env SHLVL
debug3: Ignored env HOME
debug3: Ignored env LOGNAME
debug3: Ignored env QTLIB
debug3: Ignored env CVS_RSH
debug3: Ignored env SSH_CONNECTION
debug3: Ignored env MODULESHOME
debug3: Ignored env LESSOPEN
debug3: Ignored env P4PORT
debug3: Ignored env G_BROKEN_FILENAMES
debug3: Ignored env BASH_FUNC_module()
debug3: Ignored env _
debug2: channel 0: request shell confirm 1
debug2: fd 4 setting TCP_NODELAY
debug2: callback done
debug2: channel 0: open confirm rwindow 0 rmax 32768
debug3: Wrote 460 bytes for a total of 2157
debug2: channel_input_status_confirm: type 99 id 0
debug2: PTY allocation request accepted on channel 0
debug2: channel 0: rcvd adjust 2097152
debug2: channel_input_status_confirm: type 99 id 0
debug2: shell request accepted on channel 0
Last login: Mon Feb 6 06:46:17 2017 from 10.220.82.17
debug1: permanently_set_uid: 0/0
Environment:
USER=root
LOGNAME=root
HOME=/root
PATH=/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin
MAIL=/var/mail/root
SHELL=/bin/bash
TZ=UTC
SSH_CLIENT=10.220.82.17 55099 2024
SSH_CONNECTION=10.220.82.17 55099 10.100.212.166 2024
SSH_TTY=/dev/pts/1
TERM=xterm
-bash: no job control in this shell
file setup_env.sh found...
CX1200F-166:1-1*:/root # debug3: Wrote 52 bytes for a total of 2209
debug3: Wrote 52 bytes for a total of 2261
debug3: Wrote 52 bytes for a total of 2313
sd debug3: Wrote 52 bytes for a total of 2365
debug3: Wrote 52 bytes for a total of 2417
debug3: Wrote 52 bytes for a total of 2469
debug3: Wrote 52 bytes for a total of 2521
sdebug3: Wrote 52 bytes for a total of 2573
debug3: Wrote 52 bytes for a total of 2625
debug1: client_input_channel_req: channel 0 rtype keepalive at openssh.com
reply 1
debug3: Wrote 36 bytes for a total of 2661
debug1: client_input_channel_req: channel 0 rtype keepalive at openssh.com
reply 1
debug3: Wrote 36 bytes for a total of 2697
debug1: client_input_channel_req: channel 0 rtype keepalive at openssh.com
reply 1
debug3: Wrote 36 bytes for a total of 2733
debug3: Wrote 68 bytes for a total of 2801
debug1: channel 0: free: client-session, nchannels 1
debug3: channel 0: status: The following connections are open:
#0 client-session (t4 r0 i0/0 o0/0 fd 5/6 cfd -1)
debug3: channel 0: close_fds r 5 w 6 e 7 c -1
Connection to 10.100.212.166 closed by remote host.
Connection to 10.100.212.166 closed.
Transferred: sent 2360, received 3088 bytes, in 58.3 seconds
Bytes per second: sent 40.5, received 53.0
On Tue, Jan 31, 2017 at 11:34 PM, Sudarshan Soma <sudarshan12s at gmail.com>
wrote:
> echo $TERM
> xterm
>
> does this variable cause issue, setting it to vt100 ( by export
> TERM=vt100) , doesnt make difference.
>
> On Tue, Jan 31, 2017 at 11:14 PM, Sudarshan Soma <sudarshan12s at gmail.com>
> wrote:
>
>> Hi Darren, I m sending sshd logs : any suggestion/hint please ...
>>
>> /usr/bin/sshd -ddd -p 2024 -f /etc/ssh/sshd_config -h /etc/ssh_key
>> debug2: load_server_config: filename /etc/ssh/sshd_config
>> debug2: load_server_config: done config len = 764
>> debug2: parse_server_config: config /etc/ssh/sshd_config len 764
>> debug3: /etc/ssh/sshd_config:2 setting Port 22
>> debug3: /etc/ssh/sshd_config:3 setting Protocol 2
>> debug3: /etc/ssh/sshd_config:4 setting HostKey /etc/ssh/ssh_host_key
>> debug3: /etc/ssh/sshd_config:5 setting HostKey /etc/ssh/ssh_host_rsa_key
>> debug3: /etc/ssh/sshd_config:6 setting MACs hmac-sha1-etm at openssh.com,
>> hmac-sha2-256-etm at openssh.com,hmac-sha2-512-etm at openssh.com,hmac
>> -ripemd160-etm at openssh.com,hmac-sha1,hmac-sha2-256,hmac-sha2
>> -512,hmac-ripemd160,hmac-ripemd160 at openssh.com
>> debug3: macs ok: [hmac-sha1-etm at openssh.com,hmac-sha2-256-etm at openssh.com
>> ,hmac-sha2-512-etm at openssh.com,hmac-ripemd160-etm at openssh.com,hm
>> ac-sha1,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,hmac-ripe
>> md160 at openssh.com]
>> debug3: /etc/ssh/sshd_config:7 setting Ciphers
>> aes128-ctr,aes192-ctr,aes256-ctr
>> debug3: ciphers ok: [aes128-ctr,aes192-ctr,aes256-ctr]
>> debug3: /etc/ssh/sshd_config:8 setting AllowUsers root
>> debug3: /etc/ssh/sshd_config:10 setting AuthorizedKeysFile
>> .ssh/authorized_keys
>> debug3: /etc/ssh/sshd_config:11 setting PermitEmptyPasswords yes
>> debug3: /etc/ssh/sshd_config:12 setting PasswordAuthentication yes
>> debug3: /etc/ssh/sshd_config:13 setting ChallengeResponseAuthentication
>> no
>> debug3: /etc/ssh/sshd_config:14 setting AllowAgentForwarding no
>> debug3: /etc/ssh/sshd_config:15 setting GatewayPorts no
>> debug3: /etc/ssh/sshd_config:16 setting X11Forwarding no
>> debug3: /etc/ssh/sshd_config:17 setting TCPKeepAlive yes
>> debug3: /etc/ssh/sshd_config:18 setting PidFile /tmp/sshd.pid
>> debug3: /etc/ssh/sshd_config:19 setting UsePrivilegeSeparation no
>> debug3: /etc/ssh/sshd_config:20 setting ClientAliveInterval 15
>> debug3: /etc/ssh/sshd_config:21 setting ClientAliveCountMax 3
>> debug3: /etc/ssh/sshd_config:22 setting MaxStartups 25
>> debug3: /etc/ssh/sshd_config:23 setting PermitTunnel no
>> debug3: /etc/ssh/sshd_config:24 setting DenyPortFwd 127.0.0.0/8
>> debug1: Deny port forwarding to host 127.0.0.0/8
>> debug3: /etc/ssh/sshd_config:25 setting Subsystem sftp
>> /usr/libexec/sftp-server
>> debug1: sshd version OpenSSH_6.6, OpenSSL 1.0.1h 5 Jun 2014
>> debug3: Incorrect RSA1 identifier
>> debug1: key_parse_private2: missing begin marker
>> debug1: read PEM private key done: type RSA
>> debug3: Incorrect RSA1 identifier
>> debug3: Could not load "/etc/ssh_key" as a RSA1 public key
>> debug1: private host key: #0 type 1 RSA
>> debug1: could not open key file '/etc/ssh/ssh_host_key': No such file or
>> directory
>> Could not load host key: /etc/ssh/ssh_host_key
>> debug1: could not open key file '/etc/ssh/ssh_host_rsa_key': No such file
>> or directory
>> Could not load host key: /etc/ssh/ssh_host_rsa_key
>> debug1: rexec_argv[0]='/usr/bin/sshd'
>> debug1: rexec_argv[1]='-ddd'
>> debug1: rexec_argv[2]='-p'
>> debug1: rexec_argv[3]='2024'
>> debug1: rexec_argv[4]='-f'
>> debug1: rexec_argv[5]='/etc/ssh/sshd_config'
>> debug1: rexec_argv[6]='-h'
>> debug1: rexec_argv[7]='/etc/ssh_key'
>> debug3: oom_adjust_setup
>> Set /proc/self/oom_score_adj from 0 to -1000
>> debug2: fd 3 setting O_NONBLOCK
>> debug1: Bind to port 2024 on 0.0.0.0.
>> Server listening on 0.0.0.0 port 2024.
>> debug2: fd 4 setting O_NONBLOCK
>> debug3: sock_set_v6only: set socket 4 IPV6_V6ONLY
>> debug1: Bind to port 2024 on ::.
>> Server listening on :: port 2024.
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> debug3: fd 5 is not O_NONBLOCK
>> debug1: Server will not fork when running in debugging mode.
>> debug3: send_rexec_state: entering fd = 8 config len 764
>> debug3: ssh_msg_send: type 0
>> debug3: send_rexec_state: done
>> debug1: rexec start in 5 out 5 newsock 5 pipe -1 sock 8
>> debug1: inetd sockets after dupping: 3, 3
>> Connection from 10.220.82.17 port 52586 on 10.100.212.166 port 2024
>> debug1: Client protocol version 2.0; client software version OpenSSH_5.3
>> debug1: match: OpenSSH_5.3 pat OpenSSH_5* compat 0x0c000000
>> debug1: Enabling compatibility mode for protocol 2.0
>> debug1: Local version string SSH-2.0-OpenSSH_6.6
>> debug2: fd 3 setting O_NONBLOCK
>> debug1: list_hostkey_types: ssh-rsa
>> debug1: SSH2_MSG_KEXINIT sent
>> debug1: SSH2_MSG_KEXINIT received
>> debug2: kex_parse_kexinit: curve25519-sha256 at libssh.org,e
>> cdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diff
>> ie-hellman-group-exchange-sha256,diffie-hellman-group-exchan
>> ge-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
>> debug2: kex_parse_kexinit: ssh-rsa
>> debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr
>> debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr
>> debug2: kex_parse_kexinit: hmac-sha1-etm at openssh.com,hmac
>> -sha2-256-etm at openssh.com,hmac-sha2-512-etm at openssh.com,hmac
>> -ripemd160-etm at openssh.com,hmac-sha1,hmac-sha2-256,hmac-sha2
>> -512,hmac-ripemd160,hmac-ripemd160 at openssh.com
>> debug2: kex_parse_kexinit: hmac-sha1-etm at openssh.com,hmac
>> -sha2-256-etm at openssh.com,hmac-sha2-512-etm at openssh.com,hmac
>> -ripemd160-etm at openssh.com,hmac-sha1,hmac-sha2-256,hmac-sha2
>> -512,hmac-ripemd160,hmac-ripemd160 at openssh.com
>> debug2: kex_parse_kexinit: none,zlib at openssh.com
>> debug2: kex_parse_kexinit: none,zlib at openssh.com
>> debug2: kex_parse_kexinit:
>> debug2: kex_parse_kexinit:
>> debug2: kex_parse_kexinit: first_kex_follows 0
>> debug2: kex_parse_kexinit: reserved 0
>> debug2: kex_parse_kexinit: diffie-hellman-group-exchange-
>> sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-gro
>> up14-sha1,diffie-hellman-group1-sha1
>> debug2: kex_parse_kexinit: ssh-rsa-cert-v01 at openssh.com,s
>> sh-dss-cert-v01 at openssh.com,ssh-rsa-cert-v00 at openssh.com,ssh
>> -dss-cert-v00 at openssh.com,ssh-rsa,ssh-dss
>> debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-c
>> tr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,
>> cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc at lysator.liu.se
>> debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-c
>> tr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,
>> cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc at lysator.liu.se
>> debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64 at openssh.com
>> ,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,hmac-ripemd160 at openssh.com
>> ,hmac-sha1-96,hmac-md5-96
>> debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64 at openssh.com
>> ,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,hmac-ripemd160 at openssh.com
>> ,hmac-sha1-96,hmac-md5-96
>> debug2: kex_parse_kexinit: none,zlib at openssh.com,zlib
>> debug2: kex_parse_kexinit: none,zlib at openssh.com,zlib
>> debug2: kex_parse_kexinit:
>> debug2: kex_parse_kexinit:
>> debug2: kex_parse_kexinit: first_kex_follows 0
>> debug2: kex_parse_kexinit: reserved 0
>> debug2: mac_setup: setup hmac-sha1
>> debug1: kex: client->server aes128-ctr hmac-sha1 none
>> debug2: mac_setup: setup hmac-sha1
>> debug1: kex: server->client aes128-ctr hmac-sha1 none
>> debug1: SSH2_MSG_KEX_DH_GEX_REQUEST received
>> WARNING: /usr/local/etc/moduli does not exist, using fixed modulus
>> debug1: SSH2_MSG_KEX_DH_GEX_GROUP sent
>> debug2: bits set: 1088/2048
>> debug1: expecting SSH2_MSG_KEX_DH_GEX_INIT
>> debug2: bits set: 1005/2048
>> debug1: SSH2_MSG_KEX_DH_GEX_REPLY sent
>> debug2: kex_derive_keys
>> debug2: set_newkeys: mode 1
>> debug1: SSH2_MSG_NEWKEYS sent
>> debug1: expecting SSH2_MSG_NEWKEYS
>> debug2: set_newkeys: mode 0
>> debug1: SSH2_MSG_NEWKEYS received
>> debug1: KEX done
>> debug1: userauth-request for user root service ssh-connection method none
>> debug1: attempt 0 failures 0
>> debug3: Trying to reverse map address 10.220.82.17.
>> debug2: parse_server_config: config reprocess config len 764
>> debug3: auth_shadow_acctexpired: today 17197 sp_expire -1 days left -17198
>> debug3: account expiration disabled
>> debug2: input_userauth_request: setting up authctxt for root
>> debug2: input_userauth_request: try method none
>> debug3: auth_shadow_pwexpired: today 17197 sp_lstchg 17177 sp_max 99999
>> Failed none for root from 10.220.82.17 port 52586 ssh2
>> debug3: userauth_finish: failure partial=0 next
>> methods="publickey,password"
>> debug1: userauth-request for user root service ssh-connection method
>> password
>> debug1: attempt 1 failures 0
>> debug2: input_userauth_request: try method password
>> Accepted password for root from 10.220.82.17 port 52586 ssh2
>> debug1: Entering interactive session for SSH2.
>> debug2: fd 4 setting O_NONBLOCK
>> debug2: fd 5 setting O_NONBLOCK
>> debug1: server_init_dispatch_20
>> debug1: server_input_channel_open: ctype session rchan 0 win 1048576 max
>> 16384
>> debug1: input_session_request
>> debug1: channel 0: new [server-session]
>> debug2: session_new: allocate (allocated 0 max 10)
>> debug3: session_unused: session id 0 unused
>> debug1: session_new: session 0
>> debug1: session_open: channel 0
>> debug1: session_open: session 0: link with channel 0
>> debug1: server_input_channel_open: confirm session
>> debug1: server_input_global_request: rtype no-more-sessions at openssh.com
>> want_reply 0
>> debug1: server_input_channel_req: channel 0 request pty-req reply 1
>> debug1: session_by_channel: session 0 channel 0
>> debug1: session_input_channel_req: session 0 req pty-req
>> debug1: Allocating pty.
>> debug1: session_pty_req: session 0 alloc /dev/pts/2
>> debug1: server_input_channel_req: channel 0 request env reply 0
>> debug1: session_by_channel: session 0 channel 0
>> debug1: session_input_channel_req: session 0 req env
>> debug2: Ignoring env request LANG: disallowed name
>> debug1: server_input_channel_req: channel 0 request shell reply 1
>> debug1: session_by_channel: session 0 channel 0
>> debug1: session_input_channel_req: session 0 req shell
>> Starting session: shell on pts/2 for root from 10.220.82.17 port 52586
>> debug2: fd 3 setting TCP_NODELAY
>> debug3: packet_set_tos: set IP_TOS 0x10
>> debug2: channel 0: rfd 8 isatty
>> debug2: fd 8 setting O_NONBLOCK
>> debug3: fd 6 is O_NONBLOCK
>> debug2: channel 0: request keepalive at openssh.com confirm 1
>> debug1: Got 100/12 for keepalive
>>
>> debug1: Received SIGCHLD.
>> debug1: session_by_pid: pid 1871
>> debug1: session_exit_message: session 0 channel 0 pid 1871
>> debug2: channel 0: request exit-status confirm 0
>> debug1: session_exit_message: release channel 0
>> debug2: channel 0: write failed
>> debug2: channel 0: close_write
>> debug2: channel 0: send eow
>> debug2: channel 0: output open -> closed
>> debug1: session_pty_cleanup: session 0 release /dev/pts/2
>> debug2: channel 0: read<=0 rfd 8 len -1
>> debug2: channel 0: read failed
>> debug2: channel 0: close_read
>> debug2: channel 0: input open -> drain
>> debug2: channel 0: ibuf empty
>> debug2: channel 0: send eof
>> debug2: channel 0: input drain -> closed
>> debug2: channel 0: send close
>> debug2: notify_done: reading
>> debug3: channel 0: will not send data after close
>> debug2: channel 0: rcvd close
>> Received disconnect from 10.220.82.17: 11: disconnected by user
>> debug1: do_cleanup
>>
>>
>>
>>
>> ssh logs:
>>
>> ssh -vvv root at 10.100.212.166 -p 2024
>> OpenSSH_5.3p1, OpenSSL 1.0.1e-fips 11 Feb 2013
>> debug1: Reading configuration data /etc/ssh/ssh_config
>> debug1: Applying options for *
>> debug2: ssh_connect: needpriv 0
>> debug1: Connecting to 10.100.212.166 [10.100.212.166] port 2024.
>> debug1: Connection established.
>> debug1: identity file /home/ssoma/.ssh/identity type -1
>> debug1: identity file /home/ssoma/.ssh/identity-cert type -1
>> debug1: identity file /home/ssoma/.ssh/id_rsa type -1
>> debug1: identity file /home/ssoma/.ssh/id_rsa-cert type -1
>> debug1: identity file /home/ssoma/.ssh/id_dsa type -1
>> debug1: identity file /home/ssoma/.ssh/id_dsa-cert type -1
>> debug1: Remote protocol version 2.0, remote software version OpenSSH_6.6
>> debug1: match: OpenSSH_6.6 pat OpenSSH*
>> debug1: Enabling compatibility mode for protocol 2.0
>> debug1: Local version string SSH-2.0-OpenSSH_5.3
>> debug2: fd 4 setting O_NONBLOCK
>> debug1: SSH2_MSG_KEXINIT sent
>> debug3: Wrote 960 bytes for a total of 981
>> debug1: SSH2_MSG_KEXINIT received
>> debug2: kex_parse_kexinit: diffie-hellman-group-exchange-
>> sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-gro
>> up14-sha1,diffie-hellman-group1-sha1
>> debug2: kex_parse_kexinit: ssh-rsa-cert-v01 at openssh.com,s
>> sh-dss-cert-v01 at openssh.com,ssh-rsa-cert-v00 at openssh.com,ssh
>> -dss-cert-v00 at openssh.com,ssh-rsa,ssh-dss
>> debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-c
>> tr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,
>> cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc at lysator.liu.se
>> debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-c
>> tr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,
>> cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc at lysator.liu.se
>> debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64 at openssh.com
>> ,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,hmac-ripemd160 at openssh.com
>> ,hmac-sha1-96,hmac-md5-96
>> debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64 at openssh.com
>> ,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,hmac-ripemd160 at openssh.com
>> ,hmac-sha1-96,hmac-md5-96
>> debug2: kex_parse_kexinit: none,zlib at openssh.com,zlib
>> debug2: kex_parse_kexinit: none,zlib at openssh.com,zlib
>> debug2: kex_parse_kexinit:
>> debug2: kex_parse_kexinit:
>> debug2: kex_parse_kexinit: first_kex_follows 0
>> debug2: kex_parse_kexinit: reserved 0
>> debug2: kex_parse_kexinit: curve25519-sha256 at libssh.org,e
>> cdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diff
>> ie-hellman-group-exchange-sha256,diffie-hellman-group-exchan
>> ge-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
>> debug2: kex_parse_kexinit: ssh-rsa
>> debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr
>> debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr
>> debug2: kex_parse_kexinit: hmac-sha1-etm at openssh.com,hmac
>> -sha2-256-etm at openssh.com,hmac-sha2-512-etm at openssh.com,hmac
>> -ripemd160-etm at openssh.com,hmac-sha1,hmac-sha2-256,hmac-sha2
>> -512,hmac-ripemd160,hmac-ripemd160 at openssh.com
>> debug2: kex_parse_kexinit: hmac-sha1-etm at openssh.com,hmac
>> -sha2-256-etm at openssh.com,hmac-sha2-512-etm at openssh.com,hmac
>> -ripemd160-etm at openssh.com,hmac-sha1,hmac-sha2-256,hmac-sha2
>> -512,hmac-ripemd160,hmac-ripemd160 at openssh.com
>> debug2: kex_parse_kexinit: none,zlib at openssh.com
>> debug2: kex_parse_kexinit: none,zlib at openssh.com
>> debug2: kex_parse_kexinit:
>> debug2: kex_parse_kexinit:
>> debug2: kex_parse_kexinit: first_kex_follows 0
>> debug2: kex_parse_kexinit: reserved 0
>> debug2: mac_setup: found hmac-sha1
>> debug1: kex: server->client aes128-ctr hmac-sha1 none
>> debug2: mac_setup: found hmac-sha1
>> debug1: kex: client->server aes128-ctr hmac-sha1 none
>> debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<2048<8192) sent
>> debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
>> debug3: Wrote 24 bytes for a total of 1005
>> debug2: dh_gen_key: priv key bits set: 154/320
>> debug2: bits set: 1005/2048
>> debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
>> debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
>> debug3: Wrote 272 bytes for a total of 1277
>> debug3: put_host_port: [10.100.212.166]:2024
>> debug3: put_host_port: [10.100.212.166]:2024
>> debug3: check_host_in_hostfile: host [10.100.212.166]:2024 filename
>> /home/ssoma/.ssh/known_hosts
>> debug3: check_host_in_hostfile: host [10.100.212.166]:2024 filename
>> /home/ssoma/.ssh/known_hosts
>> debug3: check_host_in_hostfile: host [10.100.212.166]:2024 filename
>> /etc/ssh/ssh_known_hosts
>> debug3: check_host_in_hostfile: host [10.100.212.166]:2024 filename
>> /etc/ssh/ssh_known_hosts
>> debug3: check_host_in_hostfile: host [10.100.212.166]:2024 filename
>> /home/ssoma/.ssh/known_hosts
>> debug3: check_host_in_hostfile: host [10.100.212.166]:2024 filename
>> /home/ssoma/.ssh/known_hosts
>> debug3: check_host_in_hostfile: host [10.100.212.166]:2024 filename
>> /etc/ssh/ssh_known_hosts
>> debug3: check_host_in_hostfile: host [10.100.212.166]:2024 filename
>> /etc/ssh/ssh_known_hosts
>> debug1: checking without port identifier
>> debug3: check_host_in_hostfile: host 10.100.212.166 filename
>> /home/ssoma/.ssh/known_hosts
>> debug3: check_host_in_hostfile: host 10.100.212.166 filename
>> /home/ssoma/.ssh/known_hosts
>> debug3: check_host_in_hostfile: match line 135
>> debug1: Host '10.100.212.166' is known and matches the RSA host key.
>> debug1: Found key in /home/ssoma/.ssh/known_hosts:135
>> debug1: found matching key w/out port
>> debug2: bits set: 1088/2048
>> debug1: ssh_rsa_verify: signature correct
>> debug2: kex_derive_keys
>> debug2: set_newkeys: mode 1
>> debug1: SSH2_MSG_NEWKEYS sent
>> debug1: expecting SSH2_MSG_NEWKEYS
>> debug3: Wrote 16 bytes for a total of 1293
>> debug2: set_newkeys: mode 0
>> debug1: SSH2_MSG_NEWKEYS received
>> debug1: SSH2_MSG_SERVICE_REQUEST sent
>> debug3: Wrote 52 bytes for a total of 1345
>> debug2: service_accept: ssh-userauth
>> debug1: SSH2_MSG_SERVICE_ACCEPT received
>> debug2: key: /home/ssoma/.ssh/identity ((nil))
>> debug2: key: /home/ssoma/.ssh/id_rsa ((nil))
>> debug2: key: /home/ssoma/.ssh/id_dsa ((nil))
>> debug3: Wrote 68 bytes for a total of 1413
>> debug1: Authentications that can continue: publickey,password
>> debug3: start over, passed a different list publickey,password
>> debug3: preferred gssapi-keyex,gssapi-with-mic,p
>> ublickey,keyboard-interactive,password
>> debug3: authmethod_lookup publickey
>> debug3: remaining preferred: keyboard-interactive,password
>> debug3: authmethod_is_enabled publickey
>> debug1: Next authentication method: publickey
>> debug1: Trying private key: /home/ssoma/.ssh/identity
>> debug3: no such identity: /home/ssoma/.ssh/identity
>> debug1: Trying private key: /home/ssoma/.ssh/id_rsa
>> debug3: no such identity: /home/ssoma/.ssh/id_rsa
>> debug1: Trying private key: /home/ssoma/.ssh/id_dsa
>> debug3: no such identity: /home/ssoma/.ssh/id_dsa
>> debug2: we did not send a packet, disable method
>> debug3: authmethod_lookup password
>> debug3: remaining preferred: ,password
>> debug3: authmethod_is_enabled password
>> debug1: Next authentication method: password
>> root at 10.100.212.166's password:
>> debug3: packet_send2: adding 64 (len 57 padlen 7 extra_pad 64)
>> debug2: we sent a password packet, wait for reply
>> debug3: Wrote 148 bytes for a total of 1561
>> debug1: Authentication succeeded (password).
>> debug1: channel 0: new [client-session]
>> debug3: ssh_session2_open: channel_new: 0
>> debug2: channel 0: send open
>> debug1: Requesting no-more-sessions at openssh.com
>> debug1: Entering interactive session.
>> debug3: Wrote 136 bytes for a total of 1697
>> debug2: callback start
>> debug2: client_session2_setup: id 0
>> debug2: channel 0: request pty-req confirm 1
>> debug1: Sending environment.
>> debug3: Ignored env CCACHE_NOSTATS
>> debug3: Ignored env HOSTNAME
>> debug3: Ignored env TERM
>> debug3: Ignored env SHELL
>> debug3: Ignored env HISTSIZE
>> debug3: Ignored env SSH_CLIENT
>> debug3: Ignored env CCACHE_LOGFILE
>> debug3: Ignored env QTDIR
>> debug3: Ignored env QTINC
>> debug3: Ignored env SSH_TTY
>> debug3: Ignored env USER
>> debug3: Ignored env LS_COLORS
>> debug3: Ignored env CSCOPE_EDITOR
>> debug3: Ignored env COVLM
>> debug3: Ignored env MAIL
>> debug3: Ignored env PATH
>> debug3: Ignored env PWD
>> debug1: Sending env LANG = en_US.UTF-8
>> debug2: channel 0: request env confirm 0
>> debug3: Ignored env MODULEPATH
>> debug3: Ignored env LOADEDMODULES
>> debug3: Ignored env P4CLIENT
>> debug3: Ignored env SSH_ASKPASS
>> debug3: Ignored env HISTCONTROL
>> debug3: Ignored env SHLVL
>> debug3: Ignored env HOME
>> debug3: Ignored env LOGNAME
>> debug3: Ignored env QTLIB
>> debug3: Ignored env CVS_RSH
>> debug3: Ignored env SSH_CONNECTION
>> debug3: Ignored env MODULESHOME
>> debug3: Ignored env LESSOPEN
>> debug3: Ignored env P4PORT
>> debug3: Ignored env G_BROKEN_FILENAMES
>> debug3: Ignored env BASH_FUNC_module()
>> debug3: Ignored env _
>> debug2: channel 0: request shell confirm 1
>> debug2: fd 4 setting TCP_NODELAY
>> debug2: callback done
>> debug2: channel 0: open confirm rwindow 0 rmax 32768
>> debug3: Wrote 460 bytes for a total of 2157
>> debug2: channel_input_status_confirm: type 99 id 0
>> debug2: PTY allocation request accepted on channel 0
>> debug2: channel 0: rcvd adjust 2097152
>> debug2: channel_input_status_confirm: type 99 id 0
>> debug2: shell request accepted on channel 0
>> Last login: Tue Jan 31 16:45:24 2017 from 10.220.82.17
>> debug1: permanently_set_uid: 0/0
>> Environment:
>> USER=root
>> LOGNAME=root
>> HOME=/root
>> PATH=/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin
>> MAIL=/var/mail/root
>> SHELL=/bin/bash
>> TZ=UTC
>> SSH_CLIENT=10.220.82.17 52586 2024
>> SSH_CONNECTION=10.220.82.17 52586 10.100.212.166 2024
>> SSH_TTY=/dev/pts/2
>> TERM=xterm
>> -bash: no job control in this shell
>> file setup_env.sh found...
>>
>>
>> On Fri, Jan 20, 2017 at 11:57 AM, Sudarshan Soma <sudarshan12s at gmail.com>
>> wrote:
>>
>>> Thanks Darren, will check on your response.
>>> I am attaching sshd, ssh logs with debug flags. Please see if it gives
>>> any hint:
>>>
>>> when I press ^C in ssh session, no log gets printed in both
>>> server/client side.
>>>
>>> Best Regards,
>>>
>>>
>>>
>>>
>>> On Wed, Jan 18, 2017 at 3:09 AM, Darren Tucker <dtucker at zip.com.au>
>>> wrote:
>>>
>>>> On Wed, Jan 18, 2017 at 5:10 AM, Sudarshan Soma <sudarshan12s at gmail.com>
>>>> wrote:
>>>> > Thanks Ben. i am checking in linux.
>>>> > I do have this command working:
>>>> > ssh localhost -o password=abc123
>>>>
>>>> That's definitely a modified ssh binary.
>>>>
>>>> > will try to getback on openssh used. But is it possible to show some
>>>> > pointers for my queries, avoid arguments in ps or /proc
>>>>
>>>> I don't think you reliably can.
>>>>
>>>> You can add a call to setproctitle() to ssh but I don't think that
>>>> affects all sets of options to ps, and even if it did there's still a
>>>> race between when the process starts and when you call setproctitle
>>>> during which the password is exposed.
>>>>
>>>> So don't do that, instead use public-key, or if you must use a
>>>> password read it from a suitably locked down file. You can (with some
>>>> difficulty) get ssh to read a password via an $SSH_ASKPASS program.
>>>>
>>>> > and other one was on ^C not working on my ssh sessions.
>>>>
>>>> just a guess but check the permissions on /dev/tty on the server.
>>>> They should look like:
>>>> crw-rw-rw- 1 root tty 5, 0 Jan 17 19:34 /dev/tty
>>>>
>>>> Failing that please post the debug output of ssh -vvv and sshd -ddd
>>>> from an unmodified (ie as available from openssh.com) client and
>>>> server pair.
>>>>
>>>> --
>>>> Darren Tucker (dtucker at zip.com.au)
>>>> GPG key 11EAA6FA / A86E 3E07 5B19 5880 E860 37F4 9357 ECEF 11EA A6FA
>>>> (new)
>>>> Good judgement comes with experience. Unfortunately, the experience
>>>> usually comes from bad judgement.
>>>>
>>>
>>>
>>
>
More information about the openssh-unix-dev
mailing list