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A Practical Guide to Fedora™ and Red Hat® Enterprise Linux® by Mark G. Sobell

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25. system-config-firewall and iptables: Setting Up a Firewall

Objectives

After reading this chapter you should be able to:

• Explain the purpose of a packet filtering firewall

• Define and explain the uses of NAT

• Configure a basic firewall using system-config-firewall

• Copy firewall rules to and from the kernel

• Configure NAT so several clients on a LAN can use a single Internet connection

The system-config-firewall ...

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