

Click on “ Update & Security” and select “ Windows Security” in the left pane.Press the “ Windows” + “ I” buttons simultaneously to open settings.Enter “ 2100” in the first box and the second box.Click on the “ Passive Mode Settings” option from the left pane and check the “ Use Custom Port Range” option.Click on the “ Edit” option and select “Settings” from the list.Launch the “FileZilla Server” on the “ Server” computer.Therefore, in this step, we will be first limiting the ports for FileZilla and then adding exceptions for them in the Firewall. If the Firewall is blocking FileZilla from making contact with the internet, it will not work properly and the error will be triggered. Make sure to implement these in the specific manner in which they are presented to avoid conflicts.

Now that you have a basic understanding of the nature of the problem, we will move on towards the solutions. Although some are more secure than the others they can often cause issues even with the legitimate connections by preventing the connection from being established.

This error is triggered because FileZilla’s connection was being blocked by the Windows Firewall. Whenever a connection attempt was made locally this error was triggered. Windows Firewall: In most cases, the FileZilla server worked locally but not remotely.From other client systems the connection is instantaneous. It happens again and again – and the folder/files never appear on the client. Closing connection: An existing connection was forcibly closed by the remote host. 230 Password Ok, User logged in – This is an UNLICENSED copy of Cerberus FTP Server Personal edition Incoming connection request on FTP interface 0 at 192.168.0.181Ģ 15:02:43 FTP connection request accepted from 2X.2 I can see on the log page that the system is hitting the server, but this is what happens every time: I am able to connect to my FTP server from different systems, but not from one (I have connected in the past, but can’t now).
