FTP does not work through the firewall

If you are having a problem using FTP through a firewall, use the following topics to help you troubleshoot the problem. Make sure you check each item in the order listed.

  1. Firewall Rules – Verify that the firewall rules open the ports specified for using FTP.
  2. Passive Port Range – Make sure the passive port range is configured correctly.
  3. Check Point Firewalls – Make sure you set up the Check Point firewall to use bidirectional transfers.

The following topics provide procedures for troubleshooting FTP protocol firewall issues:

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