[RADIATOR] EAP-PEAP Windows XP Wired Ethernet

Fri Dec 16 14:46:28 CST 2011

On 12/16/2011 04:13 AM, Indrajaya Pitra Perdana wrote:

> Thanks, i give it a try, i already enable tls trace in my win xp, and i
> don't see there's an exchange certificate :-)

What client are you using? I noticed the log shows it sends EAP TLS
(type 13) responses while also logging about detecting PEAP authentication.

> [1448] 11:49:36:218: PeapReadConnectionData
> [1448] 11:49:36:218: PeapReadUserData
> [1448] 11:49:36:218: RasEapGetInfo
> [2884] 11:49:52:515: EapPeapBegin
> [2884] 11:49:52:515: PeapReadConnectionData
> [2884] 11:49:52:515: PeapReadUserData
> [2884] 11:49:52:515:
> [2884] 11:49:52:515: EapTlsBegin(test)
> [2884] 11:49:52:515: State change to Initial
> [2884] 11:49:52:515: EapTlsBegin: Detected 8021X authentication
> [2884] 11:49:52:515: EapTlsBegin: Detected PEAP authentication
> [2884] 11:49:52:515: MaxTLSMessageLength is now 16384
> [2884] 11:49:52:515: EapPeapBegin done
> [2884] 11:49:52:515: EapPeapMakeMessage
> [2884] 11:49:52:515: EapPeapCMakeMessage
> [2884] 11:49:52:515: PEAP:PEAP_STATE_INITIAL
> [2884] 11:49:52:515: EapTlsCMakeMessage
> [2884] 11:49:52:515: EapTlsReset
> [2884] 11:49:52:515: State change to Initial
> [2884] 11:49:52:515: GetCredentials
> [2884] 11:49:52:515: Flag is Client and Store is Current User
> [2884] 11:49:52:515: GetCachedCredentials
> [2884] 11:49:52:515: FreeCachedCredentials
> [2884] 11:49:52:515: No Cert Store.  Guest Access requested
> [2884] 11:49:52:515: No Cert Name.  Guest access requested
> [2884] 11:49:52:515: Will validate server cert
> [2884] 11:49:52:515: MakeReplyMessage
> [2884] 11:49:52:515: SecurityContextFunction
> [2884] 11:49:52:515: InitializeSecurityContext returned 0x90312
> [2884] 11:49:52:515: State change to SentHello
> [2884] 11:49:52:515: BuildPacket
> [2884] 11:49:52:515: << Sending Response (Code: 2) packet: Id: 2,
> Length: 80, Type: 13, TLS blob length: 70. Flags: L
> [2884] 11:49:52:515: EapPeapCMakeMessage done
> [2884] 11:49:52:515: EapPeapMakeMessage done
> [1352] 11:50:22:531: EapPeapEnd
> [1352] 11:50:22:531: EapTlsEnd
> [1352] 11:50:22:531: EapTlsEnd(test)
> [1352] 11:50:22:531: EapPeapEnd done
> [1352] 11:50:22:562: EapPeapBegin
> [1352] 11:50:22:562: PeapReadConnectionData
> [1352] 11:50:22:562: PeapReadUserData
> [1352] 11:50:22:562:
> [1352] 11:50:22:562: EapTlsBegin(test)
> [1352] 11:50:22:562: State change to Initial
> [1352] 11:50:22:562: EapTlsBegin: Detected 8021X authentication
> [1352] 11:50:22:562: EapTlsBegin: Detected PEAP authentication
> [1352] 11:50:22:562: MaxTLSMessageLength is now 16384
> [1352] 11:50:22:562: EapPeapBegin done
> [1352] 11:50:22:562: EapPeapMakeMessage
> [1352] 11:50:22:562: EapPeapCMakeMessage
> [1352] 11:50:22:562: PEAP:PEAP_STATE_INITIAL
> [1352] 11:50:22:562: EapTlsCMakeMessage
> [1352] 11:50:22:562: EapTlsReset
> [1352] 11:50:22:562: State change to Initial
> [1352] 11:50:22:562: GetCredentials
> [1352] 11:50:22:562: Flag is Client and Store is Current User
> [1352] 11:50:22:562: GetCachedCredentials
> [1352] 11:50:22:562: FreeCachedCredentials
> [1352] 11:50:22:562: No Cert Store.  Guest Access requested
> [1352] 11:50:22:562: No Cert Name.  Guest access requested
> [1352] 11:50:22:562: Will validate server cert
> [1352] 11:50:22:562: MakeReplyMessage
> [1352] 11:50:22:562: SecurityContextFunction
> [1352] 11:50:22:562: InitializeSecurityContext returned 0x90312
> [1352] 11:50:22:562: State change to SentHello
> [1352] 11:50:22:562: BuildPacket
> [1352] 11:50:22:562: << Sending Response (Code: 2) packet: Id: 37,
> Length: 80, Type: 13, TLS blob length: 70. Flags: L
> [1352] 11:50:22:562: EapPeapCMakeMessage done
> [1352] 11:50:22:562: EapPeapMakeMessage done
> [1448] 11:50:52:578: EapPeapEnd
> [1448] 11:50:52:578: EapTlsEnd
> [1448] 11:50:52:578: EapTlsEnd(test)
> [1448] 11:50:52:578: EapPeapEnd done
> [1448] 11:51:52:593: PeapReadConnectionData
> [1448] 11:51:52:593: PeapReadUserData
> [1448] 11:51:52:593: RasEapGetInfo
> [1352] 12:02:42:625: PeapReadConnectionData
> [1352] 12:02:42:640: PeapReadUserData
> [1352] 12:02:42:640: RasEapGetInfo
> [1352] 12:02:42:640: PeapReDoUserData
> [1352] 12:02:42:640: EapTlsInvokeIdentityUI
> [1352] 12:02:42:640: GetCertInfo
> [1352] 12:03:42:640: PeapReadConnectionData
> [1352] 12:03:42:640: PeapReadUserData
> [1352] 12:03:42:640: RasEapGetInfo
> [1352] 12:03:42:671: EapPeapBegin
> [1352] 12:03:42:671: PeapReadConnectionData
> [1352] 12:03:42:671: PeapReadUserData
> [1352] 12:03:42:671:
> [1352] 12:03:42:671: EapTlsBegin(GHOST\indrajaya)
> [1352] 12:03:42:671: State change to Initial
> [1352] 12:03:42:671: EapTlsBegin: Detected 8021X authentication
> [1352] 12:03:42:671: EapTlsBegin: Detected PEAP authentication
> [1352] 12:03:42:671: MaxTLSMessageLength is now 16384
> [1352] 12:03:42:671: EapPeapBegin done
> [1352] 12:03:42:671: EapPeapMakeMessage
> [1352] 12:03:42:671: EapPeapCMakeMessage
> [1352] 12:03:42:671: PEAP:PEAP_STATE_INITIAL
> [1352] 12:03:42:671: EapTlsCMakeMessage
> [1352] 12:03:42:671: EapTlsReset
> [1352] 12:03:42:671: State change to Initial
> [1352] 12:03:42:671: GetCredentials
> [1352] 12:03:42:671: Flag is Client and Store is Current User
> [1352] 12:03:42:671: GetCachedCredentials
> [1352] 12:03:42:671: FreeCachedCredentials
> [1352] 12:03:42:671: No Cert Store.  Guest Access requested
> [1352] 12:03:42:671: No Cert Name.  Guest access requested
> [1352] 12:03:42:671: Will validate server cert
> [1352] 12:03:42:671: MakeReplyMessage
> [1352] 12:03:42:671: SecurityContextFunction
> [1352] 12:03:42:671: InitializeSecurityContext returned 0x90312
> [1352] 12:03:42:671: State change to SentHello
> [1352] 12:03:42:671: BuildPacket
> [1352] 12:03:42:671: << Sending Response (Code: 2) packet: Id: 3,
> Length: 80, Type: 13, TLS blob length: 70. Flags: L
> [1352] 12:03:42:671: EapPeapCMakeMessage done
> [1352] 12:03:42:671: EapPeapMakeMessage done
> [2004] 12:04:12:687: EapPeapEnd
> [2004] 12:04:12:687: EapTlsEnd
> [2004] 12:04:12:687: EapTlsEnd(ghost\indrajaya)
> [2004] 12:04:12:687: EapPeapEnd done
> [2004] 12:04:42:734: EapPeapBegin
> [2004] 12:04:42:734: PeapReadConnectionData
> [2004] 12:04:42:734: PeapReadUserData
> 
> /Regards,
> Indrajaya Pitra Perdana/
> 
> On 12/15/2011 6:04 PM, Heikki Vatiainen wrote:
>> On 12/15/2011 06:18 AM, Indrajaya Pitra Perdana wrote:
>>
>>> The problem still persist even i created my own certificate using the
>>> steps in mkcertificate.sh goodies , my windows didn't respon to the eap
>>> challenge sent by Radiator, do u have any clue on this? or perhaps the
>>> problem is within my 2950 catalyst ? thanks :-) 
>> You could try enabling debug for EAP authentication on the switch to see
>> how it reacts to EAP messages.
>>
>> Meanwhile you could also try running wireshark on Windows to see if the
>> challenge with the certificate is sent by the switch to the XP box.
>>
>> One thing you could try first is to use even lower value for
>> EAPTLS_MaxFragmentSize
>>
>> The messages before certifcate are much smaller and so this challenge
>> would be the first that can reach the maximum size.
>>
>> Thanks!
>>

-- 
Heikki Vatiainen <hvn at open.com.au>

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