Server unexpectedly closed network connection :: Support Forum

constsalusso Guest

Server unexpectedly closed network connection

2014-03-20 14:40

Hi everyone, how are you?

I'm trying to connect to a sftp server using WinSCP and I'm getting this error. I'm having the same error with Filezilla. However, I'm trying to connect to the same server from a different PC and everything works perfect, so It's a server error I just can't seem to figure out.
I'm using private keys.
I think it's related to the ports..

This is the log file (I changed IPs and other info):

. 2014-03-20 08:34:56.375 Session name: user@sftp.theserver.com (Modified site)
. 2014-03-20 08:34:56.375 Host name: sftp.theserver.com (Port: 22)
. 2014-03-20 08:34:56.375 User name: user (Password: No, Key file: No)
. 2014-03-20 08:34:56.375 Tunnel: No
. 2014-03-20 08:34:56.375 Transfer Protocol: SFTP
. 2014-03-20 08:34:56.375 Ping type: -, Ping interval: 30 sec; Timeout: 15 sec
. 2014-03-20 08:34:56.375 Proxy: none
. 2014-03-20 08:34:56.375 Send buffer: 262144
. 2014-03-20 08:34:56.375 SSH protocol version: 2; Compression: No
. 2014-03-20 08:34:56.375 Bypass authentication: No
. 2014-03-20 08:34:56.375 Try agent: Yes; Agent forwarding: No; TIS/CryptoCard: No; KI: Yes; GSSAPI: No
. 2014-03-20 08:34:56.375 Ciphers: aes,blowfish,3des,WARN,arcfour,des; Ssh2DES: No
. 2014-03-20 08:34:56.375 SSH Bugs: A,A,A,A,A,A,A,A,A,A
. 2014-03-20 08:34:56.375 Simple channel: Yes
. 2014-03-20 08:34:56.375 Return code variable: Autodetect; Lookup user groups: A
. 2014-03-20 08:34:56.375 Shell: default
. 2014-03-20 08:34:56.375 EOL: 0, UTF: 2
. 2014-03-20 08:34:56.375 Clear aliases: Yes, Unset nat.vars: Yes, Resolve symlinks: Yes
. 2014-03-20 08:34:56.375 LS: ls -la, Ign LS warn: Yes, Scp1 Comp: No
. 2014-03-20 08:34:56.375 Local directory: default, Remote directory: home, Update: Yes, Cache: Yes
. 2014-03-20 08:34:56.375 Cache directory changes: Yes, Permanent: Yes
. 2014-03-20 08:34:56.375 DST mode: 1; Timezone offset: 0h 0m
. 2014-03-20 08:34:56.375 --------------------------------------------------------------------------
. 2014-03-20 08:34:56.375 Looking up host "sftp.theserver.com"
. 2014-03-20 08:34:56.407 Connecting to XX.XXX.XXX.XXX port 22
. 2014-03-20 08:35:01.485 Server unexpectedly closed network connection
. 2014-03-20 08:35:01.485 Knocking FTP port.
. 2014-03-20 08:35:03.485 FTP port did not open.

Thanks in advance

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