Nmap Basics: Discover and Secure Open Ports

In this discussion, we will cover the foundational concepts of port security, including how ports function as transport layer endpoints, the importance of port filtering and access control, and the risks posed by unsecured open ports. We'll then transition to a hands-on demonstration, guiding viewers through the setup of the Metasploitable 2 virtual machine - a purposefully vulnerable environment used for practicing penetration testing techniques. The key focus will be on using Nmap, a powerful port scanning tool, to identify and analyze open ports on the target system, a critical first step in understanding potential vulnerabilities

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