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<TITLE>Red Hat Linux 6.X as an Internet Gateway for a Home Network: Introduction</TITLE>
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<H2><A NAME="s1">1. Introduction</A> </H2>
<P>This page contains a simple cookbook for setting up Red Hat 6.X as an internet
gateway for a home network or small office network. The instructions are very
simplified: no special cases will be discussed, and some assumptions will be
made about which network addresses are to be used. The most important assumptions
are:
<P>
<UL>
<LI>You have a fulltime Cable or ADSL connection to the Internet. </LI>
<LI>You can successfully install
<A HREF="http://www.redhat.com">Red Hat 6.X</A> on at least one of your computers. Note that
these directions are also valid for Red Hat derivatives, such as
<A HREF="http://www.linux-mandrake.com">Mandrake 6.X</A> which is
distributed by MacMillan Publishing under a variety of labels. </LI>
<LI>Your Linux computer has two network cards installed in it and both are
compatible with Linux. </LI>
<LI>You have an ethernet hub if you are networking more than one computer or
a cross-over cable if you are only networking one computer. </LI>
<LI>You know how to edit text files on your Linux machine. </LI>
<LI>You can log into your machine as <CODE>root</CODE>. You know how to install RPM packages
from your Linux CDROM. </LI>
</UL>
<P>If you do not meet any of these assumptions, then this document probably
isn't for you.
<P>There is nothing special that you have to do during the installation process.
Simply choose an installation which makes sense for you and go for it. This
document gives directions on installing everything to do with networking from
scratch, to avoid making any assumptions about what was installed or configured
during installation. To ensure that things work and there is no confusion about
what information goes where, all the configuration will be done by directly
editing the system configuration files rather than using the GUI configuration
tools provided with Red Hat. On the one hand, this might be a little harder
than it has to be; on the other hand, your knowledge will be a good deal more
transferable to different distributions and situations (like, what if X doesn't
work, or you are setting up a headless server).
<H2><A NAME="ss1.1">1.1 Versions</A>
</H2>
<P>The latest version of this document should always be available at
<A HREF="http://www.coastnet.com/~pramsey/linux/homenet.html">http://www.coastnet.com/~pramsey/linux/homenet.html</A> for
the HTML version and
<A HREF="http://www.coastnet.com/~pramsey/linux/homenet.sgml">http://www.coastnet.com/~pramsey/linux/homenet.sgml</A> for the SGML version.
<P>
<UL>
<LI>December 21, 1999 : First version.</LI>
<LI>January 2, 2000 : Incorporated suggestions from John Mellor on outside
networking quirks.</LI>
<LI>January 22, 2000 : Minor update about identical network cards and info
on IP aliasing from Chris Lea.</LI>
<LI>March 16, 2000 : Some information on name server security and on supporting
Caldera from Nelson Gibbs.</LI>
<LI>June 22, 1000 : Red Hat 6.2 configuration quirk documented. More PPPoE
info from Kerr First.</LI>
</UL>
<H2><A NAME="ss1.2">1.2 Copyright</A>
</H2>
<P>Copyright <20> 2000, Paul Ramsey.
<P>This manual may be reproduced in whole or in part, without fee, subject
to the following restrictions:
<P>
<UL>
<LI>The copyright notice above and this permission notice must be preserved
complete on all complete or partial copies.</LI>
<LI>Any translation or derived work must be approved by the author in writing
before distribution. </LI>
<LI>If you distribute this work in part, instructions for obtaining the complete
version of this manual must be included, and a means for obtaining a complete
version provided. </LI>
<LI>Small portions may be reproduced as illustrations for reviews or quotes
in other works without this permission notice if proper citation is given.
</LI>
</UL>
<P>Exceptions to these rules may be granted for academic purposes: Write to
the author and ask. These restrictions are here to protect us as authors, not
to restrict you as learners and educators.
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