File upload not completing after 100%

[rajendradubey00]

File upload to VPS server through FileZilla is not working properly in this current version 3.33.0, I am using FileZilla from 5-6 years but now this is the problem file shows 100% uploaded not successful, and it keeps on waiting for more than 1 hours and still not completed, My internet connection is good.

UPDATE: sometimes it is uploaded upfront, sometimes it sticks at 100%.

Help will be appreciated.

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[boco]

As the FTP server doesn't know the file sizes in advance, it also doesn't know when the file has finished uploading. Thus, the client sends a notification packet which the server has to acknowledge.

Unfortunately, many firewalls block/drop either the notification or its response packet. Thus, the server never gets the finishing message and waits for more data that never arrives. The client, in turn, waits for the acknowledgement that also won't arrive. The firewall has successfully sabotaged your transfer.

Solution? Find that piece of sh*t software and show it who's boss. Read the chapter about malicious firewalls in the Network Configuration guide.