Get a list of ports open on the current host

listeningports.go

package main

import (
	"fmt"

	"github.com/shirou/gopsutil/net"
	"github.com/shirou/gopsutil/process"
)

func main() {
	connections, err := net.Connections("all")
	if err != nil {
		panic(err)
	}

	for _, connection := range connections {
		if connection.Status == "LISTEN" {
			fmt.Printf("%v: ", connection.Laddr.Port)
			p, err := process.NewProcess(connection.Pid)
			if err != nil {
				fmt.Println(err)
				continue
			}
			cmdline, err := p.Cmdline()
			if err != nil {
				fmt.Println(err)
				continue
			}
			fmt.Printf("%v\n", cmdline)
		}
	}
}