firewall-cmd Examples

  sudo firewall-cmd --zone=trusted --list-sources

 sudo firewall-cmd --zone=trusted --list-all

sudo firewall-cmd --permanent --zone=trusted --remove-source=x.x.x.x

sudo firewall-cmd --zone=trusted --add-source=x.x.x.x

sudo firewall-cmd --runtime-to-permanent --filename=./firewalld-runtime.xml

sudo firewall-cmd --reload