Never expose the management interface directly to the internet. Require remote operators to connect via a secure Virtual Private Network (VPN) before accessing the surveillance grid.

: This URL parameter dictates how the interface displays content, such as switching between single-feed and multi-feed views.

In these examples, the parameter upd might be a boolean flag ( upd=1 meaning enable auto-update) or an interval value ( upd=500 meaning update every 500 milliseconds).