FTP dies in mid-session

[Pete Des Moulins]

I have an FTP link to one of our remote servers in India. The FTP process starts up correctly but at random intervals the following error message appears and the connection stops:

150 Opening BINARY mode data connection for 90271082M.tif.
226 Transfer complete.
89832 bytes sent in 1.40 seconds (62.85 Kbytes/s)
mput 90271083Q.tif? 421 Service not available, remote server has closed connecti
on
mput 90271084D.tif? No control connection for command: Invalid argument

This occurs after 20MB or so of data has been sent.

Does any one have anu ideas, please ?

Thanks

[Sergejs Svitnevs]

Try to use passive mode.
Seems your remote server can not establish a control connection back to you to transfer data or ftp connection tracking module on firewall does not work correctly.

Regards

[Vitaly Karasik_1]

It may be problematic version of ftp server (I remember similar problem a few years ago), try to update it to the latest available.

[Ivan Ferreira]

Check if the server does not have any file system full and have enough resources free, check the load with uptime or top. Do you have some problem if you get the file? Is this a local server? Your transfer rate is low.