^C doesnt work on ssh session

[Sudarshan Soma]

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,
> hmac-sha1,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,hmac-
> ripemd160 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.
>
>
>
>
>
>
>
>
>
>
>
>
>
>
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>
>
>
> 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,
> 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,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-
> 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: 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-
> group14-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-
> 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: 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,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 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.
>>>
>>
>>
>