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2.8.2.6. Activating the IPTables Service

The firewall rules are only active if the iptables service is running. To manually start the service, use the following command as the root user:
~]# service iptables restart
iptables: Applying firewall rules:                         [  OK  ]
To ensure that iptables starts when the system is booted, use the following command:
~]# chkconfig --level 345 iptables on