Function _vpn_provider_match

network_diagnostics.py:793–797

Return the matched VPN-provider hint if any egress field looks like a VPN provider/hosting ASN, else None.

(*fields)

def do_arp_baseline(action='get'):
    """Manage the trusted gateway IP->MAC baseline the spoof check compares
    against. action='reset' clears it so the current binding is re-learned on
    the next check (use after a legitimate router/gateway change)."""
    with _arp_baseline_lock:
        if action == 'reset':
            _arp_baseline_save({})
            return {'success': True, 'reset': True, 'gateways': {}}