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2.8.2.2. Enabling and Disabling the Firewall
Select one of the following options for the firewall:
- Disabled — Disabling the firewall provides complete access to your system and does no security checking. This should only be selected if you are running on a trusted network (not the Internet) or need to configure a custom firewall using the
iptables
command line tool.Warning
Firewall configurations and any customized firewall rules are stored in the/etc/sysconfig/iptables
file. If you choose Disabled and click , these configurations and firewall rules will be lost. - Enabled — This option configures the system to reject incoming connections that are not in response to outbound requests, such as DNS replies or DHCP requests. If access to services running on this machine is needed, you can choose to allow specific services through the firewall.If you are connecting your system to the Internet, but do not plan to run a server, this is the safest choice.