Radius Server with WPA not working for me

Thu Feb 19 21:38:07 CET 2009

Hi All,

I am new to Radius Servers and have a Project to get Radius Server 
configured in the organization for authenticating users through an 
Access Point which is based on Mikrotik. I have setup freeradius 
(version 1.0.1) server and have defined a user in the "users" file. When 
I test the configuration using the "radtest" command, it works fine and 
says "Access-Accept". However, when I try to authentcate the user 
through the access point, I am prompted for Username and Password at the 
client, but Debug mode on radius server shows "request rejected". It 
says "no User-Password attribute". (However, the the debug mode is 
showing correct Username as entered from the client)

I checked lot of Forums, but none of the solutions worked for me. I have 
stored user password in clear-text in the users file. Also, I am not 
using any certificate (TLS) in the setup.

The confiurations are as follows:

_*Radius Server:*_
##################################################################################
_*radiusd.conf:*_
##################################################################################
*_modules_*{

 pap {
                encryption_scheme = clear
        }
        pap md5{
                encryption_scheme = md5
        }

}

 chap {
                authtype = CHAP
        }

$INCLUDE ${confdir}/eap.conf

mschap {
 authtype = MS-CHAP
}

_*authenticate*_
{
eap
}

_*authorize*_
{
    preprocess
    eap
    files
}

##################################################################################

##################################################################################
_*eap.conf*_
##################################################################################

eap {
default_eap_type = mschapv2
mschapv2 {
                Auth-Type = PAP
                }
}

##################################################################################
_*users*_
##################################################################################

"radtest1"       Cleartext-Password == "password"

#(also tried User-Password instead of Cleartext-password, but no luck !!)
##################################################################################
_*clients.conf*_
##################################################################################

client 192.168.xxx.xxx {
        secret          =    test
        shortname       = private-network
        nastype     =  other
}

##################################################################################
##################################################################################
_*Access Point Configuration:*_
##################################################################################

Network Authentication: WPA with Radius
Data Encryption: TKIP

Have given Radius Server IP, Port and shared key(Which is same as 
mentioned in clients.conf)

##################################################################################
_*Client Machine Configuration:*_
##################################################################################

The client machine is a Windows Vista OS, and have the following 
configurations for Wireless Network:
Security Type: WPA-Enterprise
Encryption: TKIP

Authentication Method: PEAP (Secured Password MSCHAPv2)

##################################################################################

_*Debug mode of Radius Server says this:*_

        User-Name = "radtest1"
        NAS-IP-Address = 192.168.1.254
        NAS-Port = 0
        Called-Station-Id = "00-21-DE-00-17-B2:Wireless1"
        Calling-Station-Id = "00-19-D2-AD-4A-BF"
        Framed-MTU = 1400
        NAS-Port-Type = Wireless-802.11
        Connect-Info = "CONNECT 11Mbps 802.11b"
        EAP-Message = 0x0201000d017261647465737431
        Message-Authenticator = 0x2376aab3c18a8a9cbe0320fc1add824a
  Processing the authorize section of radiusd.conf
modcall: entering group authorize for request 6
  modcall[authorize]: module "preprocess" returns ok for request 6
  rlm_eap: EAP packet type response id 1 length 13
  rlm_eap: No EAP Start, assuming it's an on-going EAP conversation
  modcall[authorize]: module "eap" returns updated for request 6
    users: Matched radtest1 at 100
  modcall[authorize]: module "files" returns ok for request 6
modcall: group authorize returns updated for request 6
  rad_check_password:  Found Auth-Type EAP
auth: type "EAP"
  Processing the authenticate section of radiusd.conf
modcall: entering group authenticate for request 6
  rlm_eap: EAP Identity
  rlm_eap: processing type mschapv2
rlm_eap_mschapv2: Issuing Challenge
  modcall[authenticate]: module "eap" returns handled for request 6
modcall: group authenticate returns handled for request 6
Sending Access-Challenge of id 0 to 192.168.104.168:3111
        EAP-Message = 
0x010200221a0102001d10f60a0398e4f61c9beba89b3dbcefde677261647465737431
        Message-Authenticator = 0x00000000000000000000000000000000
        State = 0xc02709d0e2c702124f02a4d451d0a59d
Finished request 6
Going to the next request
--- Walking the entire request list ---
Waking up in 6 seconds...
rad_recv: Access-Request packet from host 192.168.104.168:3111, id=0, 
length=159
Sending duplicate reply to client private-network:3111 - ID: 0
Re-sending Access-Challenge of id 0 to 192.168.104.168:3111
--- Walking the entire request list ---

Would appreciate if someone could suggest me the resolution for the 
problem. ALso, if someone can get me a working copy of freeradius server 
with Mikrotik (or otherwise Linksys) Access Point, it would be of great 
help.

Thanks and Regards,
SaN
sankalpk at tulip.net

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