Please read the Script Template section in the Lighthouse manual http://ftp.opengear.com/download/manual/current/ and the following article as it explains Script Templates usage, how to upload and apply to specific nodes.
Note: Use the freely available Notepad++ which allows you to save the script with Unix (LF) line endings, not DOS (CRLF) line endings. Ensure any 'single' and "double" quotation marks have not been converted into curly “smart quotes”. Applying scripts with DOS (CRLF) line endings will break node configuration.
To disable TFTP service.
config -d config.services.tftp.enabled -a
To enable TFTP service.
config -s config.services.tftp.enabled=on -a
By default TFTP listens on the following interface:
Network Interface, Management LAN, Dial-In (Modem) and VPN