How to Discover Open Ports Using Metasploit's Built-in Port Scanner

One of the first steps in reconnaissance is determining the open ports on a system. Nmap is widely considered the undisputed king of port scanning, but certain situations call for different tools. Metasploit makes it easy to conduct port scanning from directly inside the framework, and we'll show you three types of port scans: TCP, SYN, and XMAS. What Is Port Scanning? Port scanning is the process of probing a range of ports in order to determine the state of those ports — generally open or closed. There are 65,536 available ports on a host, with the first 1,024 ports being reserved for... more



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