[root@iZbp113qvinee7jxepbagqZ ~]# cat  /opt/discovery_port.sh
#!/bin/bash
portarray=(`sudo netstat -tnlp|egrep -i "$1"|awk {'print $4'}|awk -F':' '{if ($NF~/^[0-9]*$/) print $NF}'|sort|uniq`)
length=${#portarray[@]}
printf "{\n"
printf  '\t'"\"data\":["
for ((i=0;i<$length;i++))
  do
     printf '\n\t\t{'
     printf "\"{#TCP_PORT}\":\"${portarray[$i]}\"}"
     if [ $i -lt $[$length-1] ];then
                printf ','
     fi
  done
printf  "\n\t]\n"
printf "}\n"
[root@iZbp113qvinee7jxepbagqZ ~]#

[root@iZbp113qvinee7jxepbagqZ ~]# chmod +x /opt/discovery_port.sh
[root@iZbp113qvinee7jxepbagqZ ~]#

[root@iZbp113qvinee7jxepbagqZ ~]# cat /etc/zabbix/zabbix_agentd.d/userparameter_discovery_port.conf
UserParameter=tcpportlisten,/opt/discovery_port.sh "$1"
[root@iZbp113qvinee7jxepbagqZ ~]#

[root@iZbp146uf9ftw85i3zaol9Z ~]# service zabbix-agent restart
Shutting down Zabbix agent:                                [  OK  ]
Starting Zabbix agent:                                     [  OK  ]
[root@iZbp146uf9ftw85i3zaol9Z ~]#

[root@iZbp14ipzpabr30yllskn4Z tmp]# zabbix_get -s 10.208.2.41 -k tcpportlisten
{
	"data":[
		{"{#TCP_PORT}":"10050"},
		{"{#TCP_PORT}":"22"},
		{"{#TCP_PORT}":"26891"}
	]
}
[root@iZbp14ipzpabr30yllskn4Z tmp]#

选择新建正则表达式
name: Tcpport Regular
Expressions:
Result is True        ^(80|443|8080|1871)