No, you will need a FTP server. At least once.
You can use
This way all clients will pick up this config and “remember” it, even if the wnos.ini is no longer available.
The parameter “AdminMode” will help you configure an administrative access to a locked down client.
I’ve been up to this my self recently, and using the WTOS_6.2_Admin_Guide_JUN2008.pdf + Configuration Generator.exe is good for learning all the possibilites, and how to correctly set them up in the WNOS file 🙂