How to View Open Ports in a Linux System
1. 1. Use the netstat command to view • Basic syntax：<span>netstat -tuln</span>。 • Here, the <span>-t</span> option indicates that only TCP protocol-related port information will be displayed; the <span>-u</span> option is used to show UDP protocol-related ports; the <span>-l</span> option indicates that only ports in the listening state will be listed, which are ports waiting … Read more