narrowin/open/Communication matrix

Communication Matrix

Per-zone-pair default policy with protocol exceptions. OT and IT protocol presets included. Export as a CSV firewall ruleset or JSON. Import zones from the VLAN Planner.

runs in your browser autosaves locally no data leaves the page

Start the matrix.

Use zones from the VLAN Planner (if you have planning data saved in this browser), import a previously exported JSON, or define zones by hand.

[ Source · Local ]
From VLAN Planner
Pull the zones you already defined in the VLAN Planner on this browser. Levels, names, and colors carry over.
Checking…
[ Source · File or blank ]
Import or start blank
Import a previously exported JSON, or start with no zones and add them one at a time.
Imports replace any existing data after a confirm prompt.
Zones0
Rules0
Statusautosave on