Sophie

Sophie

distrib > Mandriva > 2008.1 > x86_64 > media > main-release > by-pkgid > e05c4514608e650af9b28d9be1d35a18 > files > 1446

howto-html-it-10.1-4mdv2008.1.noarch.rpm

<HTML
><HEAD
><TITLE
>Using MSCHAP</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
"><LINK
REL="HOME"
TITLE="Linux PPP HOWTO"
HREF="index.html"><LINK
REL="UP"
TITLE="If your PPP server uses PAP (Password Authentication
Protocol)"
HREF="pap.html"><LINK
REL="PREVIOUS"
TITLE="If your PPP server uses PAP (Password Authentication
Protocol)"
HREF="pap.html"><LINK
REL="NEXT"
TITLE="The PAP/CHAP secrets file"
HREF="x1005.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"
><A
HREF="http://www.linuxports.com/howto/ppp"
TARGET="_top"
>Linux PPP HOWTO</A
></TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="pap.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
>Chapter 16. If your PPP server uses PAP (Password Authentication
Protocol)</TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="x1005.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="AEN994">16.1. Using MSCHAP</H1
><P
>Microsoft Windows NT RAS can be set up to use a variation on CHAP
(Challenge/Handshake Authentication Protocol). In your PPP sources tar
ball, you will find a file called README.MSCHAP80 that discusses this.</P
><P
>You can determine if the server is requesting authentication using this
protocol by enabling debugging for pppd. If the server is requesting MS
CHAP authentication, you will see lines like:-</P
><P
>&#13;<TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="PROGRAMLISTING"
>rcvd [LCP ConfReq id=0x2 &#60;asyncmap 0x0&#62; &#60;auth chap 80&#62; &#60;magic 0x46a3&#62;]</PRE
></FONT
></TD
></TR
></TABLE
>&#13;</P
><P
>The critical information here is <EM
>auth chap 80</EM
>.</P
><P
>In order to use MS CHAP, you will need to recompile pppd to support
this. Please see the instructions in the README.MSCHAP80 file in the PPP
source file for instructions on how to compile and use this variation.</P
><P
>You should note that at present this code supports only Linux PPP
clients connecting to an MS Windows NT server. It does <EM
>NOT</EM
> support
setting up a Linux PPP server to use MSCHAP80 authentication from clients.</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="pap.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="x1005.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>If your PPP server uses PAP (Password Authentication
Protocol)</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="pap.html"
ACCESSKEY="U"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>The PAP/CHAP secrets file</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>