使用nmap提示被防火墙阻挡，实际没有启用防火墙

[root@eus_chinasoft_haproxy:/usr/local/aegis]# nmap 172.20.103.202 -p 7000

Starting Nmap 6.40 ( http://nmap.org ) at 2019-04-24 02:24 PDT

Nmap scan report for redis01 (172.20.103.202)

Host is up (0.000044s latency).

PORT STATE SERVICE

7000/tcp filtered afs3-fileserver

MAC Address: EE:FF:FF:FF:FF:FF (Unknown)

Nmap done: 1 IP address (1 host up) scanned in 0.29 seconds

 

[root@eus_chinasoft_haproxy:/usr/local/zabbix_agents_3.2.0/scripts]# cat /usr/local/zabbix_agents_3.2.0/scripts/redis_server_status.sh#!/bin/bash # function:monitor redis port status from zabbix  web_ip_discovery () {     WEB_IP=($(cat  /usr/local/zabbix_agents_3.2.0/scripts/redis_servers.txt|grep -v "^#"))         printf '{\n'         printf '\t"data":[\n'     for((i=0;i<${#WEB_IP[@]};++i))     {         num=$(echo $((${#WEB_IP[@]}-1)))         if [ "$i" != ${num} ];             then             printf "\t\t{ \n"             printf "\t\t\t\"{#SITENAME}\":\"${WEB_IP[$i]}\"},\n"         else                 printf  "\t\t{ \n"                 printf  "\t\t\t\"{#SITENAME}\":\"${WEB_IP[$num]}\"}]}\n"         fi     } }  web_site_code () {    ip=`echo $1|awk -F ':' '{print $1}'`    port=`echo $1|awk -F ':' '{print $2}'`    #echo $ip    /usr/bin/nc -w 1 ${ip} ${port}