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5.2. Installing the firewall-config GUI configuration tool

To use the firewall-config GUI configuration tool, install the firewall-config package as root:
~]# 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 Firewall item from the search results, and click on the Install button.
To run firewall-config, use either the firewall-config command or press the Super key to enter the Activities Overview, type firewall, and press Enter.