Saving Network Packet Filter Settings - Red Hat ENTERPRISE LINUX AS 2.1 Installation Manual

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The commands above take effect immediately, but do not persist through
a reboot of the system. To ensure network packet filter settings are re-
stored after a reboot, see Section 8.5, Saving Network Packet Filter Set-
tings
Finally, you will need to be sure the appropriate service is set to activate on the proper runlevels. For
more on this, see Section 7.1, Configuring Services on the LVS Routers.

8.5 Saving Network Packet Filter Settings

After configuring the appropriate network packet filters for your situation, save the settings so they
get restored after a reboot. For iptables, type the following command:
/sbin/iptables-save
With ipchains, type the following command:
/sbin/ipchains-save
This will save the settings in /etc/sysconfig/iptables or /etc/sysconfig/ipchains
so they can be recalled at boot time.
Once this file is written, you will also be able to use the /sbin/service command to start, stop, and
check the status (using the status switch) of iptables or ipchains. The /sbin/service will
automatically load the appropriate module for you. For an example of how to use the /sbin/ser-
vice command, see Section 7.3, Starting the Piranha Configuration Tool Service.
Finally, you will need to be sure the appropriate service is set to activate on the proper runlevels. For
more on this, see Section 7.1, Configuring Services on the LVS Routers.
The next chapter will explain how to use the Piranha Configuration Tool to configure the LVS router
and describe the steps necessary to active an LVS cluster.
Chapter 8:Setting Up a Red Hat Enterprise Linux AS LVS Cluster
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