Salva, I have replaced few paths with environment variables as per the company policies. Also, remote server IP, user name etc. have kept notations like sftp_user, remote_server etc. Please let me know if anything is not clear. I can elaborate on that. following is the output for the failed attempt :-

shell-init: error retrieving current directory: getcwd: cannot access +parent directories: No such file or directory #5159 1402995021.00000 new: This is Net::SFTP::Foreign 1.77 #5159 1402995021.00000 new: Loaded from $PERL5LIB/Net/SFTP/Foreign.pm #5159 1402995021.00000 new: Running on Perl v5.18.0 for linux #5159 1402995021.00000 new: debug set to -1 #5159 1402995021.00000 new: ~0 is 18446744073709551615 #5159 1402995021.00000 new: Using backend Net::SFTP::Foreign::Backend: +:Unix 1.76_03 #5159 1402995021.00000 _init_transport: ssh cmd: /usr/bin/ssh -p 22 -o + NumberOfPasswordPrompts=1 -o PreferredAuthentications=keyboard-inter +active,password -l <sftp_user> -vvv -o StrictHostKeyChecking no <remo +te_server> -s sftp #5159 1402995021.00000 _init_transport: starting password authenticati +on #5159 1402995021.00000 _init_transport: checking timeout, max: 3600, e +llapsed: 1.9073486328125e-05 #5159 1402995021.00000 _init_transport: waiting for data from the pty +to become available OpenSSH_5.3p1, OpenSSL 1.0.0-fips 29 Mar 2010 debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for * debug2: ssh_connect: needpriv 0 debug1: Connecting to <remote_server> [<remote_server>] port 22. debug1: Connection established. debug1: identity file $HOME/.ssh/identity type -1 debug1: identity file $HOME/.ssh/id_rsa type -1 debug1: identity file $HOME/.ssh/id_dsa type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_5 +.3 debug1: match: OpenSSH_5.3 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.3 debug2: fd 3 setting O_NONBLOCK debug1: SSH2_MSG_KEXINIT sent debug3: Wrote 792 bytes for a total of 813 debug1: SSH2_MSG_KEXINIT received debug2: kex_parse_kexinit: diffie-hellman-group-exchange-sha256,diffie +-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellm +an-group1-sha1 debug2: kex_parse_kexinit: 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,a +es256-cbc,arcfour,rijndael-cbc@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,a +es256-cbc,arcfour,rijndael-cbc@lysator.liu.se debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64@openssh.com,hmac +-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64@openssh.com,hmac +-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,zlib@openssh.com,zlib debug2: kex_parse_kexinit: none,zlib@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: diffie-hellman-group-exchange-sha256,diffie +-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellm +an-group1-sha1 debug2: kex_parse_kexinit: 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,a +es256-cbc,arcfour,rijndael-cbc@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,a +es256-cbc,arcfour,rijndael-cbc@lysator.liu.se debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64@openssh.com,hmac +-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64@openssh.com,hmac +-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,zlib@openssh.com debug2: kex_parse_kexinit: none,zlib@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-md5 debug1: kex: server->client aes128-ctr hmac-md5 none debug2: mac_setup: found hmac-md5 debug1: kex: client->server aes128-ctr hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug3: Wrote 24 bytes for a total of 837 debug2: dh_gen_key: priv key bits set: 136/256 debug2: bits set: 503/1024 debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug3: Wrote 144 bytes for a total of 981 debug3: check_host_in_hostfile: filename $HOME/.ssh/known_hosts debug3: check_host_in_hostfile: match line 1 debug1: Host '<remote_server>' is known and matches the RSA host key. debug1: Found key in <remote_server>/.ssh/known_hosts:1 debug2: bits set: 529/1024 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 997 debug2: set_newkeys: mode 0 debug1: SSH2_MSG_NEWKEYS received debug1: SSH2_MSG_SERVICE_REQUEST sent debug3: Wrote 48 bytes for a total of 1045 debug2: service_accept: ssh-userauth debug1: SSH2_MSG_SERVICE_ACCEPT received debug2: key: $HOME/.ssh/identity ((nil)) debug2: key: $HOME/.ssh/id_rsa ((nil)) debug2: key: $HOME/.ssh/id_dsa ((nil)) debug3: Wrote 64 bytes for a total of 1109 debug3: input_userauth_banner ********************************************************************** +********* ** WARNING ** WARNING ** WARNING ** WARNING ** WARNING ** WARNING ** W +ARNING ** ********************************************************************** +********* ** + ** ** READ THIS BEFORE ATTEMPTING TO LOGON + ** ** + ** ** ####company and user security policy stuff here####### ** ** + ** ********************************************************************** +********* ** WARNING ** WARNING ** WARNING ** WARNING ** WARNING ** WARNING ** W +ARNING ** ********************************************************************** +********* debug1: Authentications that can continue: publickey,gssapi-keyex,gssa +pi-with-mic,password debug3: start over, passed a different list publickey,gssapi-keyex,gss +api-with-mic,password debug3: preferred keyboard-interactive,password debug3: authmethod_lookup password debug3: remaining preferred: ,password debug3: authmethod_is_enabled password debug1: Next authentication method: password #5159 1402995021.00000 _init_transport: 31 bytes readed from pty: 6c 6f 6b 69 40 31 30 2e 31 32 37 2e 33 34 2e 32 32 33 27 73 20 70 61 7 +3 73 77 6f 72 64 3a 20 | <sftp_user>@<remote_server>'s password: #5159 1402995021.00000 _init_transport: looking for user/password prom +pt #5159 1402995021.00000 _init_transport: matching against (?^i:(user|na +me|login)?[:?]\s*$) #5159 1402995021.00000 _init_transport: sending password #5159 1402995021.00000 _init_transport: checking timeout, max: 3600, e +llapsed: 0.0849058628082275 #5159 1402995021.00000 _init_transport: waiting for data from the pty +to become available #5159 1402995021.00000 _init_transport: 2 bytes readed from pty: 0d 0a + | .. #5159 1402995021.00000 _init_transport: looking for password ok #5159 1402995021.00000 _init_transport: password authentication done #5159 1402995021.00000 _queue_msg: queueing msg len: 5, code:1, id:3 . +.. [1] 00 00 00 05 01 00 00 00 03 + | ......... #5159 1402995021.00000 _get_msg: waiting for message... [1] #5159 1402995021.00000 _do_io: _do_io connected: 1 #5159 1402995021.00000 _do_io: _do_io select(-,-,-, 3600) #5159 1402995021.00000 _do_io: _do_io write queue: 9, syswrite: 9, max +: 65536, $!: 00 00 00 05 01 00 00 00 03 + | ......... #5159 1402995021.00000 _do_io: _do_io select(-,-,-, 3600) debug3: packet_send2: adding 32 (len 91 padlen 5 extra_pad 64) debug2: we sent a password packet, wait for reply debug3: Wrote 144 bytes for a total of 1253 debug1: Authentications that can continue: publickey,gssapi-keyex,gssa +pi-with-mic,password debug2: we did not send a packet, disable method debug1: No more authentication methods to try. Permission denied (publickey,gssapi-keyex,gssapi-with-mic,password). #5159 1402995023.00000 _do_io: _do_io read sysread: 0, total read: 0, +$!: #5159 1402995023.00000 _conn_lost: _conn_lost #5159 1402995023.00000 _set_status: _set_status code: 7, str: Connecti +on lost #5159 1402995023.00000 _set_error: _set_err code: 37, str: Connection +to remote server is broken #5159 1402995023.00000 _conn_lost: _conn_lost #5159 1402995023.00000 DESTROY: Net::SFTP::Foreign=HASH(0x583d1f8)->DE +STROY called (current pid: 5159, disconnect_by_pid: -1)

In reply to Re^2: Net::SFTP::Foreign works intermittently by Anonymous Monk
in thread Net::SFTP::Foreign works intermittently by JustPerl

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