Which tool did Peyton employ to collect information about open TCP and UDP ports?

The choice of netstat as the tool used by Peyton to collect information about open TCP and UDP ports is valid because netstat is specifically designed for displaying network connections, routing tables, interface statistics, masquerade connections, and multicast memberships. It provides valuable insights into the current network activity on a system, including which ports are open and listening, as well as the states of those connections.

Netstat operates at the operating system level and can reveal details about both TCP and UDP ports, detailing which applications are using these ports, making it a fundamental tool in network diagnostics and monitoring. Its ability to show active connections enhances its efficacy for tasks involving security assessments and network management.

Other tools, while relevant for different purposes, do not exclusively focus on listing open ports. For example, tcpdump is primarily a network packet analyzer that captures traffic but doesn't provide a direct overview of open ports. Nmap is a powerful network scanning tool used for discovering hosts and services on a network, providing detailed information about port states, but it would involve sending packets to probe the ports rather than displaying the local open ports of the operating system. Ping, on the other hand, is a utility used to test the reachability of a host on an IP network and does not provide information