A5. Radiusclient Configuration for Fedora Core 4 / 5 / 6
(last update: 19 May 2007)

Radiusclient is required because the pppd radius plugin relies on it. There are a few configuration files in /etc/radiusclient to look at. The first one is /etc/radiusclient/servers which specify the radius server name and key. We have the radius server in the same box. So the file is like this:

>     #Server Name or Client/Server pair              Key
>     #----------------                               ---------------
>     localhost                                       testing123

The key is the secret of the radius server which is specified in /etc/raddb/clients.conf. Older version of freeradius has the default key "testing123". Of course, it is a bad idea to use the default.

A5.1 radiusclient.conf
(last update: 19 May 2007)

The main configuration file for radiusclient is /etc/radiusclient/radiusclient.conf. Here is how it should be when all remarks are stripped off:

>     auth_order radius
>     login_tries 4
>     login_timeout 60
>     nologin /etc/nologin
>     issue /etc/radiusclient/issue
>     authserver localhost
>     acctserver localhost
>     servers /etc/radiusclient/servers
>     dictionary /etc/radiusclient/dictionary
>     login_radius /usr/sbin/login.radius
>     seqfile /var/run/radius.seq
>     mapfile /etc/radiusclient/port-id-map
>     default_realm
>     radius_timeout 10
>     radius_retries 3

Basically, all of the lines are default. I have not changed anything.

A5.2 dictionary.microsoft
(last update: 19 May 2007)

In /etc/radiusclient, there is a file called dictionary. Add the following line to the end of the file.

>     INCLUDE /etc/radiusclient/dictionary.microsoft

The file, dictionary.microsoft, is not included in the radiusclient. We can modify the one from freeradius so that it can be used by pppd.

First of all, copy the freeradius one, /usr/share/freeradius/dictionary.microsoft, to /etc/radiusclient. Then change the word "octets" to "string" in the file. Add the word Microsoft to all attributes. Here is my version:

>     #
>     #       Microsoft's VSA's, from RFC 2548
>     #
>     #       $Id: poptop_ads_howto_a5.htm,v 1.1 2008/10/02 08:11:48 wskwok Exp $
>     #

>     VENDOR          Microsoft       311     Microsoft

>     ATTRIBUTE       MS-CHAP-Response        1       string  Microsoft
>     ATTRIBUTE       MS-CHAP-Error           2       string  Microsoft
>     ATTRIBUTE       MS-CHAP-CPW-1           3       string  Microsoft
>     ATTRIBUTE       MS-CHAP-CPW-2           4       string  Microsoft
>     ATTRIBUTE       MS-CHAP-LM-Enc-PW       5       string  Microsoft
>     ATTRIBUTE       MS-CHAP-NT-Enc-PW       6       string  Microsoft
>     ATTRIBUTE       MS-MPPE-Encryption-Policy 7     string  Microsoft
>     # This is referred to as both singular and plural in the RFC.
>     # Plural seems to make more sense.
>     ATTRIBUTE       MS-MPPE-Encryption-Type 8       string  Microsoft
>     ATTRIBUTE       MS-MPPE-Encryption-Types  8     string  Microsoft
>     ATTRIBUTE       MS-RAS-Vendor           9       integer Microsoft
>     ATTRIBUTE       MS-CHAP-Domain          10      string  Microsoft
>     ATTRIBUTE       MS-CHAP-Challenge       11      string  Microsoft
>     ATTRIBUTE       MS-CHAP-MPPE-Keys       12      string  Microsoft encrypt=1
>     ATTRIBUTE       MS-BAP-Usage            13      integer Microsoft
>     ATTRIBUTE       MS-Link-Utilization-Threshold 14 integer        Microsoft
>     ATTRIBUTE       MS-Link-Drop-Time-Limit 15      integer Microsoft
>     ATTRIBUTE       MS-MPPE-Send-Key        16      string  Microsoft
>     ATTRIBUTE       MS-MPPE-Recv-Key        17      string  Microsoft
>     ATTRIBUTE       MS-RAS-Version          18      string  Microsoft
>     ATTRIBUTE       MS-Old-ARAP-Password    19      string  Microsoft
>     ATTRIBUTE       MS-New-ARAP-Password    20      string  Microsoft
>     ATTRIBUTE       MS-ARAP-PW-Change-Reason 21     integer Microsoft

>     ATTRIBUTE       MS-Filter               22      string  Microsoft
>     ATTRIBUTE       MS-Acct-Auth-Type       23      integer Microsoft
>     ATTRIBUTE       MS-Acct-EAP-Type        24      integer Microsoft

>     ATTRIBUTE       MS-CHAP2-Response       25      string  Microsoft
>     ATTRIBUTE       MS-CHAP2-Success        26      string  Microsoft
>     ATTRIBUTE       MS-CHAP2-CPW            27      string  Microsoft

>     ATTRIBUTE       MS-Primary-DNS-Server   28      ipaddr
>     ATTRIBUTE       MS-Secondary-DNS-Server 29      ipaddr
>     ATTRIBUTE       MS-Primary-NBNS-Server  30      ipaddr
>     ATTRIBUTE       MS-Secondary-NBNS-Server 31     ipaddr

>     #ATTRIBUTE      MS-ARAP-Challenge       33      string  Microsoft

>     #
>     #       Integer Translations
>     #

>     #       MS-BAP-Usage Values

>     VALUE           MS-BAP-Usage            Not-Allowed     0
>     VALUE           MS-BAP-Usage            Allowed         1
>     VALUE           MS-BAP-Usage            Required        2

>     #       MS-ARAP-Password-Change-Reason Values

>     VALUE   MS-ARAP-PW-Change-Reason        Just-Change-Password            1
>     VALUE   MS-ARAP-PW-Change-Reason        Expired-Password                2
>     VALUE   MS-ARAP-PW-Change-Reason        Admin-Requires-Password-Change  3
>     VALUE   MS-ARAP-PW-Change-Reason        Password-Too-Short              4

>     #       MS-Acct-Auth-Type Values

>     VALUE           MS-Acct-Auth-Type       PAP             1
>     VALUE           MS-Acct-Auth-Type       CHAP            2
>     VALUE           MS-Acct-Auth-Type       MS-CHAP-1       3
>     VALUE           MS-Acct-Auth-Type       MS-CHAP-2       4
>     VALUE           MS-Acct-Auth-Type       EAP             5

>     #       MS-Acct-EAP-Type Values

>     VALUE           MS-Acct-EAP-Type        MD5             4
>     VALUE           MS-Acct-EAP-Type        OTP             5
>     VALUE           MS-Acct-EAP-Type        Generic-Token-Card      6
>     VALUE           MS-Acct-EAP-Type        TLS             13

>     END-VENDOR Microsoft

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