December 2002
Intermediate to advanced
192 pages
5h 30m
English
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Kernel Configuration
In order to securely use a wireless network, you must start with a secure host configuration. At the heart of any secure host is a solid, well-planned kernel configuration. A secure kernel must be governed by the Principle of Least Privilege. The Principle of Least Privilege indicates that a user or system should only be given the minimum amount of privilege in order to achieve the desired tasks. This means that a kernel should be stripped of all unneeded configuration options. If you don’t have any SCSI devices, then you shouldn’t have any SCSI devices specified in your kernel configuration.
Wireless Kernel Configuration
In order to use wireless
NICs, the kernel must be configured to support the networking card.
The process of compiling a Linux kernel is outside the scope of this
book. For more information on compiling a kernel, see
/usr/src/linux-2.4/README on your Linux system
or http://www.tldp.org/HOWTO/Kernel-HOWTO.html.
Configure and compile a kernel with as few configurations options as
possible. Once you have a bare-bones kernel for your machine,
continue with the steps in the rest of this chapter.
There are many ways to configure a kernel. Whether you use
make menuconfig, make
xconfig, or simply make config, the
changes are saved to a configuration file. This file is typically in
/usr/src/linux-2.4/configs/kernel-[ver].config. The configuration options specified in this chapter are directives in that file. How they get written to the file is up to ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.