How to set up WS_FTP Professional to use FTP over SSL

Windows 2008/IIS 7 allows a secure FTP connection via FTP over SSL. Note that this is not the same as SFTP (FTP via SSH), so you may have to experiment a bit with your FTP client settings to get a secure connection. Our tests were successful with the following.
 
  1. Click Connect -> Create Site in the Site Manage box
  2. In the Site Name field, enter your domain name and click "next"
  3. In the Connection Type box select "FTP/SSL (Auth SSL)" and click "next"
  4. Fill out the remaining fields as follows:
    • Server Address – Enter either your domain name or the secondary FTP address in this field. Your secondary FTP address and FTP login information can be found in the Site Info section of Control Panel
    • User Name – Your FTP username.
    • Password – The password for this user.
  5. Click "Next" to complete the Wizard
  6. Click "Finish"
  7. You will see a "Non-Trusted Certificate" message box
  8. Select "Trust this certificate" and click "OK"
 
If you receive a generic "could not connect" error, or in implicit mode see an attempted connection to port 990, you have a configuration error. Please cut and paste the login information from Control Panel to make sure you are supplying the proper credentials.
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