Red Hat LINUX VIRTUAL SERVER 4.7 - ADMINISTRATION Manual

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Red Hat LINUX VIRTUAL SERVER 4.7 - ADMINISTRATION Manual Manual pdf 45 page image

runlevels. For more on this, refer to Section 1, “Configuring Services on the LVS Routers”.6. Saving Network Packet Filter SettingsAfter configuring the appropriate network packet filters for your situation, save the settings sothey get restored after a reboot. For iptables, type the following command:/sbin/service iptables saveThis saves the settings in /etc/sysconfig/iptables so they can be recalled at boot time.Once this file is written, you are able to use the /sbin/service command to start, stop, andcheck the status (using the status switch) of iptables. The /sbin/service will automaticallyload the appropriate module for you. For an example of how to use the /sbin/servicecommand, see Section 3, “Starting the Piranha Configuration Tool Service”.Finally, you need to be sure the appropriate service is set to activate on the proper runlevels.For more on this, see Section 1, “Configuring Services on the LVS Routers”.The next chapter explains how to use the Piranha Configuration Tool to configure the LVSrouter and describe the steps necessary to activate LVS.Saving Network Packet Filter Settings35