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<td width="80%" align="center" valign="bottom">Chapter 5 Network Configuration</td>
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<div class="SECT1">
<h1 class="SECT1"><a id="NETWORK-CONFIGURATION-PPP" name="NETWORK-CONFIGURATION-PPP">5.4
PPP</a></h1>
<p>Many people still connect to the Internet through some kind of dialup connection. The
most common method is PPP, though SLIP is still occasionally used. Setting up your system
to speak PPP to a remote server is pretty easy. We've included a few tools to help you in
setting it up.</p>
<div class="SECT2">
<h2 class="SECT2"><a id="AEN1954" name="AEN1954">5.4.1 <tt
class="COMMAND">pppsetup</tt></a></h2>
<p>Slackware includes a program called <tt class="COMMAND">pppsetup</tt> to configure
your system to use your dialup account. It shares a look and feel similar to our <tt
class="COMMAND">netconfig</tt> program. To run the program, make sure you are logged in
as root. Then type <tt class="COMMAND">pppsetup</tt> to run it. You should see a screen
like this:</p>
<p>The program will present a series of questions, to which you will feed it appropriate
answers. Things like your modem device, the modem initialization string, and the ISP
phone number. Some items will have a default, which you can accept in most cases.</p>
<p>After the program runs, it will create a <tt class="COMMAND">ppp-go</tt> program and a
<tt class="COMMAND">ppp-off</tt> program. These are used to start and stop, respectively,
the PPP connection. The two programs are located in <tt class="FILENAME">/usr/sbin</tt>
and need root privileges to run.</p>
</div>
<div class="SECT2">
<h2 class="SECT2"><a id="AEN1969" name="AEN1969">5.4.2 <tt
class="FILENAME">/etc/ppp</tt></a></h2>
<p>For most users, running <tt class="COMMAND">pppsetup</tt> will be sufficient. However,
there may be an instance where you want to tweak some of the values used by the PPP
daemon. All of the configuration information is kept in <tt
class="FILENAME">/etc/ppp</tt>. Here is a list of what the different files are for:</p>
<div class="INFORMALTABLE"><a id="AEN1975" name="AEN1975"></a>
<table border="0" frame="void" class="CALSTABLE">
<col width="1*" />
<col width="3*" />
<tbody>
<tr>
<td><tt class="COMMAND">ip-down</tt></td>
<td>
<p>This script is run by <tt class="COMMAND">pppd</tt> after the PPP connection is
ended.</p>
</td>
</tr>
<tr>
<td><tt class="COMMAND">ip-up</tt></td>
<td>
<p>This script is run by <tt class="COMMAND">pppd</tt> when there's a successful ppp
connection. Put any commands you want run after a successful connection in this file.</p>
</td>
</tr>
<tr>
<td><tt class="FILENAME">options</tt></td>
<td>
<p>General configuration options for <tt class="COMMAND">pppd</tt>.</p>
</td>
</tr>
<tr>
<td><tt class="FILENAME">options.demand</tt></td>
<td>
<p>General configuration options for <tt class="COMMAND">pppd</tt> when run in demand
dialing mode.</p>
</td>
</tr>
<tr>
<td><tt class="COMMAND">pppscript</tt></td>
<td>
<p>The commands sent to the modem.</p>
</td>
</tr>
<tr>
<td><tt class="FILENAME">pppsetup.txt</tt></td>
<td>
<p>A log of what you entered when you ran <tt class="COMMAND">pppsetup</tt>.</p>
</td>
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<p>Most of these files won't be there until after you run <tt
class="COMMAND">pppsetup</tt>.</p>
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