Disabling Security on NX Controllers
Written by Will Fraser
Updated at January 5th, 2026
Question:
How do you turn off/disable security on an NX controller?
Answer:
Sometimes it is necessary to disable the security on server ports on an NX controller. When upgrading from 1.6.x to 1.8.x or greater, you must disable the authentication on server ports before doing the upgrade. To disable authentication on server ports:
