Code:
[root@kestrel tmp]# sftp -vvv user_name@xxxx.yyyyyy.ca
OpenSSH_6.6.1, OpenSSL 1.0.1e-fips 11 Feb 2013
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 56: Applying options for *
debug2: ssh_connect: needpriv 0
debug1: Connecting to xxxx.yyyyyy.ca [216.220.60.44] port 22.
debug1: Connection established.
debug1: permanently_set_uid: 0/0
debug3: Incorrect RSA1 identifier
debug3: Could not load "/root/.ssh/id_rsa" as a RSA1 public key
debug1: identity file /root/.ssh/id_rsa type 1
debug1: identity file /root/.ssh/id_rsa-cert type -1
debug1: identity file /root/.ssh/id_dsa type -1
debug1: identity file /root/.ssh/id_dsa-cert type -1
debug1: identity file /root/.ssh/id_ecdsa type -1
debug1: identity file /root/.ssh/id_ecdsa-cert type -1
debug1: identity file /root/.ssh/id_ed25519 type -1
debug1: identity file /root/.ssh/id_ed25519-cert type -1
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_6.6.1
debug1: Remote protocol version 2.0, remote software version SilverSHielD
debug1: no match: SilverSHielD
debug2: fd 3 setting O_NONBLOCK
debug3: load_hostkeys: loading entries for host "xxxx.yyyyyy.ca" from file "/roo
t/.ssh/known_hosts"
debug3: load_hostkeys: loaded 0 keys
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug2: kex_parse_kexinit: curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-
sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hel
lman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
debug2: kex_parse_kexinit: ecdsa-sha2-nistp256-cert-v01@openssh.com,ecdsa-sha2-n
istp384-cert-v01@openssh.com,ecdsa-s...01@openssh.com,ssh-ed2551
9-cert-v01@openssh.com,ssh-rsa-cert-...01@openssh.com
,ssh-rsa-cert-v00@openssh.com,ssh-dss-cert-v00@openssh.com,ecdsa-sha2-nistp256,e
cdsa-sha2-nistp384,ecdsa-sha2-nistp521,ssh-ed25519,ssh-rsa,ssh-dss
debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour12
8,aes128-gcm@openssh.com,aes256-gcm@openssh.com,chacha20-poly1305@openssh.com,ae
s128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndae
l-cbc@lysator.liu.se
debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour12
8,aes128-gcm@openssh.com,aes256-gcm@openssh.com,chacha20-poly1305@openssh.com,ae
s128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndae
l-cbc@lysator.liu.se
debug2: kex_parse_kexinit: hmac-md5-etm@openssh.com,hmac-sha1-etm@openssh.com,um
ac-64-etm@openssh.com,umac-128-etm@o...tm@openssh.com,hma
c-sha2-512-etm@openssh.com,hmac-ripe...tm@openssh.com,hmac-sha1-96-etm@opens
sh.com,hmac-md5-96-etm@openssh.com,hmac-md5,hmac-sha1,umac-64@openssh.com,umac-1
28@openssh.com,hmac-sha2-256,hmac-sha2-512,hmac-ripemd160,hmac-ripemd160@openssh
.com,hmac-sha1-96,hmac-md5-96
debug2: kex_parse_kexinit: hmac-md5-etm@openssh.com,hmac-sha1-etm@openssh.com,um
ac-64-etm@openssh.com,umac-128-etm@o...tm@openssh.com,hma
c-sha2-512-etm@openssh.com,hmac-ripe...tm@openssh.com,hmac-sha1-96-etm@opens
sh.com,hmac-md5-96-etm@openssh.com,hmac-md5,hmac-sha1,umac-64@openssh.com,umac-1
28@openssh.com,hmac-sha2-256,hmac-sha2-512,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-sha1,diffie-hellman-gro
up1-sha1,diffie-hellman-group14-sha1
debug2: kex_parse_kexinit: ssh-rsa
debug2: kex_parse_kexinit: blowfish-cbc,twofish256-cbc,twofish192-cbc,twofish128
-cbc,aes256-cbc,aes192-cbc,aes128-cbc,serpent256-cbc,serpent192-cbc,serpent128-c
bc,idea-cbc,cast128-cbc,aes128-ctr,aes192-ctr,aes256-ctr,blowfish-ctr,twofish128
-ctr,twofish192-ctr,twofish256-ctr,serpent128-ctr,serpent192-ctr,serpent256-ctr,
idea-ctr,cast128-ctr
debug2: kex_parse_kexinit: blowfish-cbc,twofish256-cbc,twofish192-cbc,twofish128
-cbc,aes256-cbc,aes192-cbc,aes128-cbc,serpent256-cbc,serpent192-cbc,serpent128-c
bc,idea-cbc,cast128-cbc,aes128-ctr,aes192-ctr,aes256-ctr,blowfish-ctr,twofish128
-ctr,twofish192-ctr,twofish256-ctr,serpent128-ctr,serpent192-ctr,serpent256-ctr,
idea-ctr,cast128-ctr
debug2: kex_parse_kexinit: hmac-sha1,hmac-ripemd160,hmac-ripemd,hmac-ripemd160@o
penssh.com,hmac-sha256@ssh.com,umac-32@openssh.com,umac-64@openssh.com,umac-96@o
penssh.com,umac-128@openssh.com
debug2: kex_parse_kexinit: hmac-sha1,hmac-ripemd160,hmac-ripemd,hmac-ripemd160@o
penssh.com,hmac-sha256@ssh.com,umac-32@openssh.com,umac-64@openssh.com,umac-96@o
penssh.com,umac-128@openssh.com
debug2: kex_parse_kexinit: none,zlib,zlib@openssh.com
debug2: kex_parse_kexinit: none,zlib,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: setup hmac-sha1
debug1: kex: server->client aes128-ctr hmac-sha1 none
debug2: mac_setup: setup hmac-sha1
debug1: kex: client->server aes128-ctr hmac-sha1 none
debug1: kex: diffie-hellman-group-exchange-sha1 need=20 dh_need=20
debug1: kex: diffie-hellman-group-exchange-sha1 need=20 dh_need=20
debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<7680<8192) sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
Received disconnect from 216.220.60.44: 6: Invalid packet
Couldn't read packet: Connection reset by peer
[root@kestrel tmp]#