The firestarter and floppyfw utilities
offer quick ways to start up a firewall. Tools for managing iptables firewalls include
gtk-iptables and shorewall.
Popular Linux rescue CDs that illustrate very well how many tools you can get on a single CD
include System Rescue CD, BackTrack, Knoppix-STD, and the Inside Security Rescue Toolkit
(INSERT) rescue CDs.
When you use a rescue CD to change a master boot record, fix partition tables, or clean
viruses from a system, you risk doing irreparable damage to your computer system.
Remember that GPL software comes with no warranty, so you use that software at your own risk.
BackTrack Network Security Suite
A wide-range of powerful, well-organized security tools are on the Backtrack Network Security
Suite (http://remote-exploit.org/index.php/BackTrack) live CD. BackTrack is based
on two live Linux distributions used to test if your computer system has been compromised: Whax
and Auditor.
CAUTION
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Choosing and Installing a Linux Distribution Part III
BackTrack offers a good combination of GUI and command-line security tools. The BackTrack
menus (shown in Figure 19-1) organize all of those tools together. This enables you to look in one
place for all similar tools. When you select a command from a menu, the command runs with the
help (-h) option so you can see how it works.
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