Cannot connect to remote server.
- Caused by a blocked port
- An incorrect setting for the data connection type
- Unusually large file list
Step 1: Change data Connection type
Change the data connection type from passive (PASV) mode to active (PORT) mode.
- If the data connection type has change and it do not help to solve the problem, you may need to change back to the default settings
Step 2: Configure Firewall
Configure your firewall so that the FTP protocol is allowed
- At least, you need to allowed FTP traffic on ports 20 and 21.
- Before you make a configuration, you may need to contact to your firewall program technical support to get some helpful information or suggestions.
Step 3: Increase Transfer Timeout
Increase the transfer timeout settings to allow more time needed for waiting the FTP server to list out the directory with large amount of files.