....................461
Adding More Software ............................................................................................462
Getting More Information About Ubuntu ..............................................................465
Summary ................................................................................................................466
Chapter 18: Running a Linux Firewall/Router . . . . . . . . . . . . . . . 467
Understanding Firewalls..........................................................................................468
Protecting Desktops with Firewalls ........................................................................469
Starting Your Firewall in Fedora ..............................................................................469
Configuring a Firewall in Mandriva ........................................................................470
Using Firewalls with iptables ..................................................................................472
Starting with iptables ..............................................................................................472
Setting Some Rules ........................................................................................472
Saving Firewall Settings .
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