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Connect via a Firewall

Use this procedure if you connect to your FTP or SFTP server through a firewall.

To connect via a firewall

  1. Start the FTP Client.

    This opens the Connect to FTP Site dialog box. (If the FTP Client is already running and this dialog box is not open, go to Connection > Connect.)

  2. Perform one of the following tasks:

    To

    Do This

    Create a new site

    From the Connect to FTP Site dialog box, click New.

    In the Add FTP Site dialog box, enter the name or IP address of your FTP server host, and then click Next.

    In the Login Information dialog box, select User.

    Modify an existing site

    From the Connect to FTP Site dialog box, select a site.

  3. Click Security.
  4. On the Firewall tab, select Use Firewall.
  5. Use Style to select the authentication command sequence used by your firewall. (The style you select determines which options you can configure in the dialog box.)
  6. Configure the appropriate authentication information for your server.
  7. Perform one of the following tasks:

    If you are

    Do This

    Creating a new site

    Click OK twice to close the dialog boxes.

    Modifying an existing site

    Click OK to close the Security Properties dialog box and then click Next.

    In the FTP User Login dialog box, type your user name on the FTP server and then click Next.

    Click Finish.

Notes

  • The Firewall tab is not available for SFTP connections.
  • The settings in the Firewall tab of the Security Properties dialog box are used for all sites that you configure to connect via a firewall.
  • When Use passive mode is enabled (the default), the FTP Client initiates a separate data connection for directory listings and file transfers. This is required for connections through some firewalls. If passive mode has been turned off and a directory listing does not display or you get an error "425 Can't open data connection," you should enable this setting.

Related Topics

Firewall Tab (Security Properties Dialog Box)

Firewall Authentication Styles (FTP Client)

Connection Tab (Site Properties Dialog Box)