<HTML ><HEAD ><TITLE >What Linux can do for you</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="Linux Advanced Routing & Traffic Control HOWTO" HREF="index.html"><LINK REL="UP" TITLE="Introduction" HREF="lartc.intro.html"><LINK REL="PREVIOUS" TITLE="Prior knowledge" HREF="lartc.intro.prior.html"><LINK REL="NEXT" TITLE="Housekeeping notes" HREF="lartc.intro.houskeeping.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 Advanced Routing & Traffic Control HOWTO</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="lartc.intro.prior.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 2. Introduction</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="lartc.intro.houskeeping.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="LARTC.INTRO.LINUX" ></A >2.3. What Linux can do for you</H1 ><P >A small list of things that are possible:</P ><P ></P ><UL ><LI ><P >Throttle bandwidth for certain computers </P ></LI ><LI ><P >Throttle bandwidth TO certain computers </P ></LI ><LI ><P >Help you to fairly share your bandwidth </P ></LI ><LI ><P >Protect your network from DoS attacks </P ></LI ><LI ><P >Protect the Internet from your customers </P ></LI ><LI ><P >Multiplex several servers as one, for load balancing or enhanced availability </P ></LI ><LI ><P >Restrict access to your computers </P ></LI ><LI ><P >Limit access of your users to other hosts </P ></LI ><LI ><P >Do routing based on user id (yes!), MAC address, source IP address, port, type of service, time of day or content </P ></LI ></UL ><P >Currently, not many people are using these advanced features. This is for several reasons. While the provided documentation is verbose, it is not very hands-on. Traffic control is almost undocumented.</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="lartc.intro.prior.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="lartc.intro.houskeeping.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Prior knowledge</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="lartc.intro.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Housekeeping notes</TD ></TR ></TABLE ></DIV ></BODY ></HTML >