Function onGatewayChange

security_monitor/functions.js:198–209

(event)

// triggered when an IPv4 or IPv6 gateway change is detected
function onGatewayChange(event) {
    if(notifyGatewayChanges) {
        var change = event.data;

        var message = '🚨 Detected ' + change.type + ' gateway change, possible MITM attack:\n\n' +
            'Prev: ' + change.prev.ip + ' (' + change.prev.mac + ")\n" +
            'New: ' + change.new.ip + ' (' + change.new.mac + ")";

        // send to telegram bot
        sendMessage(message);
    }
}

// triggered periodically, we use this to send a probe for a fake access point in order
// to detect rogue AP attacks