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Topic review

martin

Re: Authentication Failed

If you have problems authenticating to a server, you better contact server administrator.

Unless you are able to login using any other SSH/SFTP client.
Zohai

Authentication Failed

Hi I'm trying to log in to a remote university server using my credentials, but I get an "Authentication Failed" message. The following is the related log file. Any idea how I can solve this?


. 2018-03-24 21:13:20.063 --------------------------------------------------------------------------
. 2018-03-24 21:13:20.063 WinSCP Version 5.13 (Build 8172) (OS 10.0.16299 - Windows 10 Home)
. 2018-03-24 21:13:20.063 Configuration: HKCU\Software\Martin Prikryl\WinSCP 2\
. 2018-03-24 21:13:20.063 Log level: Normal
. 2018-03-24 21:13:20.063 Local account: DESKTOP-QO7KU4D\zohai
. 2018-03-24 21:13:20.063 Working directory: C:\Program Files (x86)\WinSCP
. 2018-03-24 21:13:20.063 Process ID: 8288
. 2018-03-24 21:13:20.063 Command-line: "C:\Program Files (x86)\WinSCP\WinSCP.exe"
. 2018-03-24 21:13:20.063 Time zone: Current: GMT+11, Standard: GMT+10 (AUS Eastern Standard Time), DST: GMT+11 (AUS Eastern Daylight Time), DST Start: 10/7/2018, DST End: 4/1/2018
. 2018-03-24 21:13:20.063 Login time: Saturday, March 24, 2018 9:13:20 PM
. 2018-03-24 21:13:20.063 --------------------------------------------------------------------------
. 2018-03-24 21:13:20.063 Session name: xxxxxxxxxxxxxxxxxxxx (Site)
. 2018-03-24 21:13:20.063 Host name: xxxxxxxxxxxxxxxxxx (Port: 22)
. 2018-03-24 21:13:20.063 User name: xxxxxxxxxxx (Password: No, Key file: No, Passphrase: No)
. 2018-03-24 21:13:20.063 Tunnel: No
. 2018-03-24 21:13:20.063 Transfer Protocol: SFTP (SCP)
. 2018-03-24 21:13:20.063 Ping type: Off, Ping interval: 30 sec; Timeout: 15 sec
. 2018-03-24 21:13:20.063 Disable Nagle: No
. 2018-03-24 21:13:20.063 Proxy: None
. 2018-03-24 21:13:20.063 Send buffer: 262144
. 2018-03-24 21:13:20.063 SSH protocol version: 2; Compression: No
. 2018-03-24 21:13:20.063 Bypass authentication: No
. 2018-03-24 21:13:20.063 Try agent: Yes; Agent forwarding: No; TIS/CryptoCard: No; KI: Yes; GSSAPI: Yes
. 2018-03-24 21:13:20.063 GSSAPI: Forwarding: No; Libs: gssapi32,sspi,custom; Custom:
. 2018-03-24 21:13:20.063 Ciphers: aes,chacha20,blowfish,3des,WARN,arcfour,des; Ssh2DES: No
. 2018-03-24 21:13:20.063 KEX: ecdh,dh-gex-sha1,dh-group14-sha1,rsa,WARN,dh-group1-sha1
. 2018-03-24 21:13:20.063 SSH Bugs: Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto
. 2018-03-24 21:13:20.063 Simple channel: Yes
. 2018-03-24 21:13:20.063 Return code variable: Autodetect; Lookup user groups: Auto
. 2018-03-24 21:13:20.063 Shell: default
. 2018-03-24 21:13:20.063 EOL: LF, UTF: Auto
. 2018-03-24 21:13:20.063 Clear aliases: Yes, Unset nat.vars: Yes, Resolve symlinks: Yes; Follow directory symlinks: No
. 2018-03-24 21:13:20.063 LS: ls -la, Ign LS warn: Yes, Scp1 Comp: No
. 2018-03-24 21:13:20.063 SFTP Bugs: Auto,Auto
. 2018-03-24 21:13:20.063 SFTP Server: default
. 2018-03-24 21:13:20.063 Local directory: default, Remote directory: home, Update: Yes, Cache: Yes
. 2018-03-24 21:13:20.063 Cache directory changes: Yes, Permanent: Yes
. 2018-03-24 21:13:20.063 Recycle bin: Delete to: No, Overwritten to: No, Bin path:
. 2018-03-24 21:13:20.063 DST mode: Unix
. 2018-03-24 21:13:20.063 --------------------------------------------------------------------------
. 2018-03-24 21:13:20.095 Looking up host "xxxxxxxxxxxxxxx" for SSH connection
. 2018-03-24 21:13:20.110 Connecting to xxxxxxxxxxxxxxxxxx port 22
. 2018-03-24 21:13:20.126 We claim version: SSH-2.0-WinSCP_release_5.13
. 2018-03-24 21:13:20.157 Server version: SSH-2.0-OpenSSH_6.6.1p1 Ubuntu-2ubuntu2.10
. 2018-03-24 21:13:20.157 We believe remote version has SSH-2 channel request bug
. 2018-03-24 21:13:20.157 Using SSH protocol version 2
. 2018-03-24 21:13:20.157 Have a known host key of type ssh-ed25519
. 2018-03-24 21:13:20.157 Doing ECDH key exchange with curve Curve25519 and hash SHA-256
. 2018-03-24 21:13:20.704 Server also has ecdsa-sha2-nistp256/ssh-dss/ssh-rsa host keys, but we don't know any of them
. 2018-03-24 21:13:20.704 Host key fingerprint is:
. 2018-03-24 21:13:20.704 removed
. 2018-03-24 21:13:20.720 Host key matches cached key
. 2018-03-24 21:13:20.720 Initialised AES-256 SDCTR client->server encryption
. 2018-03-24 21:13:20.720 Initialised HMAC-SHA-256 client->server MAC algorithm
. 2018-03-24 21:13:20.720 Initialised AES-256 SDCTR server->client encryption
. 2018-03-24 21:13:20.720 Initialised HMAC-SHA-256 server->client MAC algorithm
! 2018-03-24 21:13:20.798 Using username xxxxxxxx
. 2018-03-24 21:13:20.876 Server offered these authentication methods: publickey,password
. 2018-03-24 21:13:20.876 Prompt (password, "SSH password", <no instructions>, "&Password: ")
. 2018-03-24 21:13:26.183 Sent password
. 2018-03-24 21:13:26.215 Server unexpectedly closed network connection
. 2018-03-24 21:13:26.215 Knocking FTP port.
. 2018-03-24 21:13:28.230 FTP port did not open.
* 2018-03-24 21:13:28.277 (EFatal) Server unexpectedly closed network connection.
* 2018-03-24 21:13:28.277 Authentication log (see session log for details):
* 2018-03-24 21:13:28.277 Using username xxxxxxx
* 2018-03-24 21:13:28.277
* 2018-03-24 21:13:28.277 Authentication failed.