Posted:  05 Dec 2011 19:17
	Registered User Currently Offline	Posts:  1 Join Date: Dec 2011
Hi, I'm seeing a situation where a large upload (SFTP) to the Sysax server dies at about the same time each time it is attempted. Can anyone suggest a reason for this? Server version is 5.14 running on Windows Server 2008. Here are logs of the repeated attempts to transfer (out of FileZilla).  It appears that the issue might be due to a failure during "key re-exchange: see final log lines below. ------------------------------- Status:    Connecting to msftp01... Response:    fzSftp started Command:    open "target@msftp01" 22 Command:    Pass: ******* Status:    Connected to msftp01.infoplanning.local Status:    Starting upload of d:\temp\bigfile.txt Command:    cd "/Test" Response:    New directory is: "/Test" Command:    put "d:\temp\bigfile.txt" "bigfile.txt" Status:    local:d:\temp\bigfile.txt => remote:/Test/bigfile.txt Error:    Connection timed out Error:    File transfer failed after transferring 992,948,224 bytes in 127 seconds Status:    Starting upload of d:\temp\bigfile.txt Command:    put "d:\temp\bigfile.txt" "bigfile.txt" Status:    local:d:\temp\bigfile.txt => remote:/Test/bigfile.txt Error:    Connection timed out Error:    File transfer failed after transferring 992,317,440 bytes in 126 seconds Command:    put "d:\temp\bigfile.txt" "bigfile.txt" Status:    local:d:\temp\bigfile.txt => remote:/Test/bigfile.txt Error:    Connection timed out Error:    File transfer failed after transferring 992,382,976 bytes in 127 seconds Command:    put "d:\temp\bigfile.txt" "bigfile.txt" Status:    local:d:\temp\bigfile.txt => remote:/Test/bigfile.txt Error:    Connection timed out Error:    File transfer failed after transferring 992,419,840 bytes in 127 seconds ------------------------ Logging with 'Verbose' mode activated: 12:07:01    Command:    put "d:\temp\bigfile.txt" "bigfile.txt" 12:07:01    Status:    local:d:\temp\bigfile.txt => remote:/Test/bigfile.txt 12:08:48    Trace:    Initiating key re-exchange (too much data sent) 12:08:53    Trace:    Server unexpectedly closed network connection 12:08:53    Error:    Server unexpectedly closed network connection 12:08:53    Trace:    CSftpControlSocket::ResetOperation(66) 12:08:53    Trace:    CControlSocket::ResetOperation(66) 12:10:48    Trace:    Server unexpectedly closed network connection 12:10:48    Error:    Server unexpectedly closed network connection 12:10:48    Trace:    CSftpControlSocket::ResetOperation(66) 12:10:48    Trace:    CControlSocket::ResetOperation(66) 12:10:48    Error:    File transfer failed after transferring 992,317,440 bytes in 227 seconds

Posted:  07 Dec 2011 08:28
	Moderator Currently Offline	Posts:  367 Join Date: Nov 2008
This thread has been moved to the Sysax Multi Server bugs section. Are you able to reproduce the same issue with the latest product release (version 5.5)? ------------------------------------------------ Secure FTP Server Solutions Simplified

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