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Check to see if running services are also enabled (note, not all services will require to be enabled. Its just a rough guide to go by).

# for i in $(systemctl list-units | awk '$4 ~ /running/ {print $1}'); do systemctl list-unit-files | grep $i | awk '/disabled/'; done

Firewalld Runtime-to-perm

firewall-cmd --runtime-to-permanent