FTP Connection fails at 'Retrieving Directory Listing' or 'Connection Established, waiting for welcome message'

If you cannot connect via FTP, and it accepts your username and password, but fails when retrieving a drectory listing or while waiting for welcome message, then you must enable Passive (PASV) mode in your FTP client. There are a few ways that your FTP client may represent this setting:

Enable Passive (PASV) mode or conversely, disable Active (PORT) mode. Note that Active and PORT mode are one and the same, as are Passive and PASV mode.

Although FileZilla comes with Passive mode enabled by default, if it has been changed at some point, you can re-enable Passive mode by completing the following steps

1. Open Filezilla and open the settings (under the Edit menu)
2. Under "Connection" select "FTP"
3. The section at the top is called Transfer Mode. Within that, choose "Passive Mode"
4. Click OK. You should now be able to connect.

Security Note: connecting via standard FTP is depreciated. We highly recommend using SFTP or FTP with TLS instead. If you have trouble with FTP with TLS enabled, then try out SFTP -- FileZilla will automatically use SFTP if you specify port 22 while connecting.

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Exact FileZilla error log:

Command:MLSD
Error:Connection timed out
Error:Failed to retrieve directory listing