RMM Agent for OPNsense

Remote Monitoring & Management Agent for OPNsense firewalls.
Collects system data (CPU, memory, disks, network, services, WireGuard,
DHCP, routing, gateways, certificates, plugins, updates) and reports
to a central RMM backend via HTTPS/WebSocket.

Features:
- Automatic system data collection (configurable interval)
- WebSocket-based remote command execution
- Session-based TCP tunnels (SSH, WebGUI access)
- Config backup and restore
- WireGuard peer management
- OPNsense update management (normal + major upgrades)

WWW: https://git.cynfo.net/christian/rmm
