If you are using Netscape FastTrack Server v3.01, do the following to add the plug-in MIME type:
1. From the Server Manager, choose Server Preferences|Mime Types.
2. Select "Type".
3. Enter the content type:
application/vnd.acucobol
4. Enter the file suffix
acu
5. Click "New Type" and then "Save and Apply".
6. Restart the Web server.