218 lines
3.3 KiB
HTML
218 lines
3.3 KiB
HTML
<HTML
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>The CHAP secrets file</TITLE
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.52"><LINK
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REL="HOME"
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TITLE="Linux PPP HOWTO"
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HREF="index.html"><LINK
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REL="UP"
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TITLE="If your PPP server uses PAP (Password Authentication
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Protocol)"
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HREF="pap.html"><LINK
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TITLE="The PAP secrets file"
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TITLE="Handling multiple PAP-authenticated connections"
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>Linux PPP HOWTO</A
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><TD
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WIDTH="80%"
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VALIGN="bottom"
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>Chapter 16. If your PPP server uses PAP (Password Authentication
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Protocol)</TD
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><TD
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WIDTH="10%"
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><H1
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><A
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NAME="AEN1053"
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>16.4. The CHAP secrets file</A
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></H1
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><P
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>This requires that you have mutual authentication
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methods - that is you must allow for both your machine to authenticate
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the remote server <I
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CLASS="EMPHASIS"
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>AND</I
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> the remote server to authenticate your
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machine.</P
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><P
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>So, if your machine is <TT
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CLASS="LITERAL"
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>fred</TT
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> and the remote is <TT
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CLASS="LITERAL"
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>barney</TT
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>, your
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machine would set <TT
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CLASS="LITERAL"
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>name fred remotename barney</TT
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> and the remote
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machine would set <TT
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CLASS="LITERAL"
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>name barney remotename fred</TT
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> in their respective
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<TT
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CLASS="LITERAL"
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>/etc/ppp/options.ttySx</TT
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> files.</P
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><P
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>The <TT
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CLASS="LITERAL"
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>/etc/chap-secrets</TT
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> file for fred would look like
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<TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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># Secrets for authentication using CHAP
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# client server secret acceptable local IP addresses
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fred barney flintstone
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barney fred wilma</PRE
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></TD
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></TR
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></TABLE
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> </P
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><P
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>and for barney</P
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><P
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> <TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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># Secrets for authentication using CHAP
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# client server secret acceptable local IP addresses
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barney fred flintstone
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fred barney wilma</PRE
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></TD
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></TR
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></TABLE
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> </P
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><P
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>Note in particular that both machines must have entries for
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bidirectional authentication. This allows the local machine to
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authenticate itself to the remote <I
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CLASS="EMPHASIS"
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>AND</I
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> the remote machine to
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authenticate itself to the local machine.</P
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></DIV
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HREF="x1034.html"
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>Prev</A
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>The PAP secrets file</TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="pap.html"
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>Up</A
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><TD
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WIDTH="33%"
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ALIGN="right"
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>Handling multiple PAP-authenticated connections</TD
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></TR
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> |