Internet-of-Things or IoT technology becomes essential in everyday lives. The risk of security and privacy towards IoT devices, especially smarthomes IoT gateway device, becoming apparent as IoT technology progressed. The need for affordable, secure smarthome gateway device or router that smarthome user prefer. The problem of low-performance smarthome gateways was running security programs on top of smarthome gateway programs. This problem motivates the researcher designing a secure and efficient smarthome gateway using Raspberry Pi hardware as an affordable smarthome gateway device and able to run both smarthome gateways and security programs. In this research, researchers implemented snort as intrusion detection system (IDS), openHab as IoT gateway applications, and well-known encryption algorithms for file encryption in Raspberry PI 3B+ model. The researcher evaluated Snort capability on network attacks and compared each of the well-known encryption algorithm efficiency. From the result, we found Rasefiberry customized snort configuration for Raspberry pi 60 percent of the simulated network attacks. Twofish encryption algorithms were found to have best encryption time, throughput, and power consumption compared to other encryption algorithms in the research. Rasefiberry architecture successfully processes both lightweight security programs and Openhab smarthome gateway programs with a lowperformance computing device such as Raspberry Pi.
West Jakarta is one of the cities in the DKI Jakarta province which has great tourism potential, especially on cultural and historical tourism. In the city, there are lots of historical heritage buildings during the Dutch colonial era. However, in fact the information about it is still limited especially for foreign tourists that know more about Bali as Indonesia. One of the methods to introduce the tourism is by using webGIS technology as it is the aim of this research that develop a tourism webGIS of West Jakarta which can be accessed by internet media. By using webGIS, it can be displayed West Jakarta tourisms that equipped with map location point and its travel route, and it can be accessed by internet browser without using GIS-processed software. The displayed tourisms are cultural and historical, culinary, shopping, family and religious tourisms. The webGIS was created by using Location Based Service (LBS) method that utilizes Google Maps API and Framework CodeIgniter. With LBS, the coordinates of tourist locations in the form of lattitude and longitude originating from the Google Maps application can easily be inputed in the webGIS code structure. This WebGIS was successfully accessed through an internet browser both on a computer and smartphone device, and also with usability test by distributing questionnaires to 40 respondents. The questionnaires contain several questions regarding the effectiveness, simplicity, and satisfaction during accessing the webGIS. Based on the results of the questionnaire, it can be concluded that the tourism webGIS application of West Jakarta classified into categories sufficiently effective, simple and satisfying.
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