[root@localhost ~]# cat /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 connections are accepted.</description>
  <service name="ssh"/>
  <service name="mdns"/>
  <service name="dhcpv6-client"/>
  <forward/>
</zone>
[root@localhost ~]# sh ./add_rule.sh
[root@localhost ~]# sh ./nmc.sh > /dev/null &
[1] 32943
[root@localhost ~]# sh ./dom.sh

Fri Aug  2 05:29:06 PM CST 2025
****** The configuration file is cleared !!! ******
[1]+  Killed                  sh ./nmc.sh > /dev/null
[root@localhost ~]#

[root@localhost ~]# cat /etc/firewalld/zones/public.xml
<?xml version="1.0" encoding="utf-8"?>
<zone>
  <service name="ssh"/>
  <port port="9999" protocol="tcp"/>
  <forward/>
</zone>