<HTML ><HEAD ><TITLE >Alternative VPN Systems</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ "><LINK REL="HOME" TITLE="VPN HOWTO" HREF="index.html"><LINK REL="UP" TITLE="Theory" HREF="theory.html"><LINK REL="PREVIOUS" TITLE="SSH and PPP " HREF="x205.html"><LINK REL="NEXT" TITLE="Server" HREF="c224.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" >VPN HOWTO</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="x205.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 2. Theory</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="c224.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="sect1" ><H1 CLASS="sect1" ><A NAME="AEN209">2.5. Alternative VPN Systems</H1 ><P > There are of course other ways of setting up a VPN. Here are a couple of other systems: </P ><DIV CLASS="sect2" ><H2 CLASS="sect2" ><A NAME="AEN212">2.5.1. PPTP</H2 ><P > PPTP is a Microsoft protocol for VPN. It is supported under Linux, but is known to have serious security issues. I do not describe how to use it here since it is covered by the <A HREF="http://www.tldp.org/HOWTO/VPN-Masquerade-HOWTO.html" TARGET="_top" >Linux VPN Masquerade HOWTO</A >.</P ></DIV ><DIV CLASS="sect2" ><H2 CLASS="sect2" ><A NAME="AEN216">2.5.2. IP Sec</H2 ><P > IP Sec is a different set of protocols from SSH. I don't actually know all that much about it, so if someone wants to help me out with a description, I'd be most appreciative. Again, I do not describe how to use it here since it is covered by the <A HREF="http://www.tldp.org/HOWTO/VPN-Masquerade-HOWTO.html" TARGET="_top" >Linux VPN Masquerade HOWTO</A >.</P ></DIV ><DIV CLASS="sect2" ><H2 CLASS="sect2" ><A NAME="AEN220">2.5.3. CIPE</H2 ><P > CIPE is a kernel level network encryption system that may be better suited to enterprise setups. You can find out more about it at <A HREF="http://sites.inka.de/sites/bigred/devel/cipe.html" TARGET="_top" >the CIPE homepage</A >.</P ></DIV ></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="x205.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="c224.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >SSH and PPP</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="theory.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Server</TD ></TR ></TABLE ></DIV ></BODY ></HTML >
