Boyanov, Petar. “BASIC NETWORK PENETRATION TESTING WITH THE NETWORK TOOL NETCAT IN LINUX-BASED OPERATING SYSTEMS: BASIC NETWORK PENETRATION TESTING WITH THE NETWORK TOOL NETCAT IN LINUX-BASED OPERATING SYSTEMS”. JOURNAL SCIENTIFIC AND APPLIED RESEARCH 25, no. 1 (November 29, 2023): 15–30. Accessed December 6, 2025. https://jsar.ftn.shu.bg/index.php/jsar/article/view/377.