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When download the logs in the MCU,FTPS can`t download successfully

Publication Date:  2013-12-30 Views:  103 Downloads:  0
Issue Description
Some site wants to build a FTP server and download the configurations. But failed.
Alarm Information
Error, could not connect to server
Handling Process
Get more details first.
1. Before we start to open the software.
We find this message..
         Connection to server closed.
         Trying to reconnect in 5 seconds
         Reconnecting to server...
         Error, could not connect to server
Trying to reconnect in 5 seconds
Here is caused by the service. We just start the service. The issue is solved.

2. Customer use FileZilla Server to build a server. This version support FTPS.

3. Config relative settings in the MCU.
[MCU8650]ftp-server
          ip version{0:ipv4 1:ipv6}[0]:
          ipv4: xxx.xxx.xxx.xxx
ipv6: 00:00:00:00:00:00
ftp server ip addr[]:
user name{max len:32}[mcu]:
user password{string, max len:32}[******]:
Info:set the Ftp server config finish!
4. Config settings in the FTP software.

It`s set the same as the MCU side.
5. Then export it.
[MCU8650-upgrade]export
ftp server information:
    Ftp server ip version     : ipv4   
    Ftp server ip address     :
    Ftp server port           : 21     
    Ftp server user name      : mcu    
    Ftp server user password  : ****** 
            Export type:
  100: license.dat
  102: mcu-device-config.xml
  105: log files
  112: mcu-location.zip
  151: all above
Please select type:100
But it`s failed. It has this error.
(000001)2013/12/30 16:36:17 - (not logged in) ()> Connected, sending welcome message...
(000001)2013/12/30 16:36:17 - (not logged in) ()> 220-FileZilla Server version 0.9.41 beta
(000001)2013/12/30 16:36:17 - (not logged in) ()> 220-written by Tim Kosse (Tim.Kosse@gmx.de)
(000001)2013/12/30 16:36:17 - (not logged in) ()> 220 Please visit http://sourceforge.net/projects/filezilla/
(000001)2013/12/30 16:36:17 - (not logged in) ()> AUTH TLS
(000001)2013/12/30 16:36:18 - (not logged in) ()> Could not load certificate file.
(000001)2013/12/30 16:36:18 - (not logged in) ()> 431 Could not initialize SSL connection
It has this error. So we should generate certificate first.

Root Cause
as follows
Suggestions
After we generate certificate the license. The issue is solved. We can export files directly.Be familiar with the tools we used.

END