firewall-cmd --reload 防火墙

防火墙重新加载配置firewall-cmd --reload

查看开放的端口 firewall-cmd --list-ports

nano /etc/sysconfig/iptables

-A IN_public_allow -p tcp -m tcp --dport 9001 -m conntrack --ctstate NEW -j ACCEPT

nano /etc/firewalld/zones/public.xml

<?xml version="1.0" encoding="utf-8"?>

<zone>

<short>Public</short>

<description>For use in public areas. You do not trust the other computers on networks to not harm your computer. Only selected incoming conn$

<service name="dhcpv6-client"/>

<service name="ssh"/>

<service name="openvpn"/>

<port protocol="tcp" port="9001"/>

</zone>