PUTRA, D. T.; SUJA’I, M. S.; YULIANTO, A. W. Design and Hardening of an MQTT Broker Server on AWS EC2 for Secure IoT Communication. JURNAL JARTEL: Jurnal Jaringan Telekomunikasi, [S. l.], v. 15, n. 4, p. 428–435, 2025. DOI: 10.33795/jartel.v15i4.8336. Disponível em: http://jurnal.polinema.ac.id/index.php/jartel/article/view/8336. Acesso em: 2 jan. 2026.