cbiedl
/
pptpd


			
				
					
						
						
							12345678910111213141516171819202122232425262728293031323334353637383940
							<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>Poptop MSCHAP2 ADS Howto</title>
</head>

<body>
<p><strong>A6. Configure Freeradius for MSCHAPv2 on Fedora 4 / 5 / 6<br>
</strong>(last update: 19 May 2007) </p>
 
<p>Edit /etc/raddb/radiusd.conf to enable MSCAHP2. Open the file and locate the module section and then the mschap subsection.</p>
<blockquote>
  <pre>modules {<br>
        ....[snip]....<br>
        mschap {
                authtype = MS-CHAP
                use_mppe = yes
                require_encryption = yes
                require_strong = yes
                ntlm_auth = &quot;/usr/bin/ntlm_auth --request-nt-key --username=%{Stripped-User-Name:-%{User-Name:-None}} --challenge=%{mschap:Challenge:-00} --nt-response=%{mschap:NT-Response:-00}&quot;<br>        }<br>
        ....[snip]....<br>
}</pre>
</blockquote>
<p>The mschap option in the authorize and authenticate sections is enabled by default. If they are not, enable them accordingly. Save the file. </p>
<p>The radius server has a secret key for security. The default key for freeradius is testing123. It is a good idea to change it for obvious security reasons. The key is in /etc/raddb/clients.conf. </p>
<blockquote>
  <pre>client 127.0.0.1 {<br>        #<br>        #  The shared secret use to &quot;encrypt&quot; and &quot;sign&quot; packets between<br>        #  the NAS and FreeRADIUS.  You MUST change this secret from the<br>        #  default, otherwise it's not a secret any more!<br>        #<br>        #  The secret can be any string, up to 32 characters in length.<br>        #<br>        secret          = testing123 

        ....[snip]....
</pre>
</blockquote>
<p><strong>Note</strong>: if you change the secret key, you must modify the /etc/radiusclient/servers so that they match each other. </p>

<hr>
<a href="poptop_ads_howto_a5.htm">Previous</a>&nbsp;&nbsp;<a href="poptop_ads_howto_1.htm#toc">Content</a>
<p>&nbsp; </p>
</body>
</html>