To use the firewall-config GUI configuration tool, install the firewall-config package as
yum install firewall-config
Alternatively, in GNOME, use the Super key and type
Software to launch the Software Sources application. Type
firewall to the search box, which appears after selecting the search button in the top-right corner. Select the item from the search results, and click on the button.
To run firewall-config, use either the
firewall-config command or press the Super key to enter the , type
firewall, and press Enter.