Disable stateful FTP

By Thomas Underwood 🕜 Updated on January 27, 2023 at 1:30 pm

The FTP protocol was introduced when network firewalls did not exist. Using the FTP Service on a server (behind a firewall) creates a set of challenges because firewalls must work around the FTP protocol's shortcomings…

Overview

Sometimes, when using FTP & Cloud Actions with a regular FTP or an encrypted FTPS connection, the Task may fail unexpectedly with a Lost connection. Disconnected from server error message.

Most likely, this happens due to the firewall settings. If the StatefulFTP option is set to Enable, this may be the cause of the problem. To see the current firewall settings, use the following command:

Fix connection problem

To fix the FTP connection problems, simply use the following command on the local machine (not on the FTP server's machine):

Validate

To verify the new configuration, see the firewall settings again by entering the netsh advfirewall show global StatefulFTP command again:

Learn more?

• WinSCP · Disconnected from server
• Configure Windows firewall for a passive mode FTP server

Network Triggers

• FTP Watcher
• SFTP Watcher
• WebDAV Watcher
• Amazon S3 Watcher
• Google Cloud Storage Watcher
• DigitalOcean Spaces Watcher

Network Actions

• Upload File
• Download File
• Synchronize Directories
• More Cloud Actions…

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