December 2002
Intermediate to advanced
192 pages
5h 30m
English
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Chapter 12. Building a FreeBSD Gateway
The previous chapter examined building a Linux based gateway. Building a FreeBSD gateway for a wireless network is very similar. This chapter will examine the steps to set up a FreeBSD gateway comparable in function and behavior to the Linux gateway already described. The example network architecture we will be using in this chapter is the same as in the previous chapter.
Unlike with Linux, network interfaces have different names based on
the type of hardware. Throughout this chapter, we will use
dc0, dc1, and
dc2 as the network interfaces. These correspond to
the common Netgear and
Linksys cards sold in most stores. Replace these
with the names you have created for the three interfaces.
Building the Gateway
The first step is to install the operating system and configure it to provide the necessary services. The installation should be minimal as possible. Any unnecessary services and programs that are installed only increase the risk that one of the programs on the gateway may be vulnerable. Do not install the X Windows System or any of the optional applications.
It is important to install the development tools and the system
source code. After installation, you will need to recompile the
kernel and the new versions of several services might need to be
downloaded and compiled, so the development tools will be necessary.
The ports collection along with the cvsup utility will be helpful in installing and updating services too, so it might be a ...
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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.