<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML ><HEAD ><TITLE >Who Can Benefit From IP Masquerade?</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="Linux IP Masquerade HOWTO" HREF="index.html"><LINK REL="UP" TITLE="Background Knowledge" HREF="ipmasq-background2.0.html"><LINK REL="PREVIOUS" TITLE="Current Status" HREF="ipmasq-background2.2.html"><LINK REL="NEXT" TITLE="Who Doesn't Need IP Masquerade?" HREF="ipmasq-background2.4.html"></HEAD ><BODY CLASS="SECT1" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >Linux IP Masquerade HOWTO</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="ipmasq-background2.2.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 2. Background Knowledge</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="ipmasq-background2.4.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="IPMASQ-BACKGROUND2.3" ></A >2.3. Who Can Benefit From IP Masquerade?</H1 ><P > <P ></P ><UL ><LI ><P >If you have a Linux host connected to the Internet and.. </P ></LI ><LI ><P >if you have internal computers running TCP/IP connected that are connected to this Linux box via on a network, and/or </P ></LI ><LI ><P >if your Linux host has more than one modem and acts as a PPP or SLIP server connected to <EM >other</EM > computers, and these machines do not have official or public assigned IP addresses (i.e. addressed with private TCP/IP numbers). </P ></LI ><LI ><P >If you want those <EM >OTHER</EM > machines to communicate to the Internet without spending extra money to acquire additional Public / Official TCP/IP addresses from your ISP, then you should either configure Linux to be a router or purchase an external router. </P ></LI ></UL > </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="ipmasq-background2.2.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="ipmasq-background2.4.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Current Status</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ipmasq-background2.0.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Who Doesn't Need IP Masquerade?</TD ></TR ></TABLE ></DIV ></BODY ></HTML >