From: Victor Cappuccio (cvictor@protokolgroup.com)
Date: Wed Sep 28 2005 - 14:51:44 GMT-3
Cool Henk, thanks for the Update..
http://en.wikipedia.org/wiki/Extensible_Authentication_Protocol
Henk de Tombe wrote:
>Hi,
>
>I've looked in RFC 3748, and chapter 5.4 shows up with the following:
>
>5.4. MD5-Challenge
>
> Description
>
> The MD5-Challenge Type is analogous to the PPP CHAP protocol
> [RFC1994] (with MD5 as the specified algorithm). The Request
> contains a "challenge" message to the peer. A Response MUST be
> sent in reply to the Request. The Response MAY be either of Type
> 4 (MD5-Challenge), Nak (Type 3), or Expanded Nak (Type 254).
>
>
>
>This would mean that EAP uses the same MD5 challenge algoritm as with the
>CHAP protocol, please correct me if I'm wrong!
>
>ftp://ftp.rfc-editor.org/in-notes/rfc3748.txt
>
>regards,
>Henk
>
>
>-----Oorspronkelijk bericht-----
>Van: nobody@groupstudy.com [mailto:nobody@groupstudy.com] Namens Victor
>Cappuccio
>Verzonden: woensdag 28 september 2005 19:23
>Aan: Bajo
>CC: Mitchell, TJ; ccielab@groupstudy.com
>Onderwerp: Re: ISDN Authentication Question
>
>:)
>I Think as CHAP as a big Blender :D AND PAP something like Putting IN --
>Spanish Translation Fix Well
>Share more I like them Much
>Big Dogs Realy Like Me...
>Jejeje look at the default-metric in EIGRP :D
>
>
>
>Bajo wrote:
>
>
>
>>I always think of CHAP as "chopping" (cutting into pieces with the MD5
>>knife) and PAP as "popping" (showing something up) ...hey a quick
>>mnemonics :)
>>
>>On 9/28/05, *Victor Cappuccio* <cvictor@protokolgroup.com
>><mailto:cvictor@protokolgroup.com>> wrote:
>>
>> Chek it out
>> http://www.cisco.com/warp/public/471/understanding_ppp_chap.html
>> <http://www.cisco.com/warp/public/471/understanding_ppp_chap.html>
>> http://www.cisco.com/warp/public/471/config-pap.html
>>
>> HTH
>> Victor.
>>
>> Mitchell, TJ wrote:
>>
>> >Can you elaborate more on this, I thought that CHAP passed the
>> entire
>> >password it's just encrypted?
>> >
>> >Thanks
>> >
>> >T.J. Mitchell
>> >
>> >-----Original Message-----
>> >From: Victor Cappuccio [mailto:cvictor@protokolgroup.com
>> <mailto:cvictor@protokolgroup.com>]
>> >Sent: Wednesday, September 28, 2005 10:07 AM
>> >To: Mitchell, TJ
>> >Cc: ccielab@groupstudy.com <mailto:ccielab@groupstudy.com>
>> >Subject: Re: ISDN Authentication Question
>> >
>> >The One that passes the entire password is PAP in clear Text,
>> CHAP only
>> >passes the HASH of the password
>> >HTH
>> >
>> >
>> >Mitchell, TJ wrote:
>> >
>> >
>> >
>> >>I have a practice lab here asking me about this and I can't find the
>> >>answer anywhere.
>> >>
>> >>Do any of these not pass the entire password across the link
>> during the
>> >>authentication process?
>> >>
>> >>
>> >>
>> >>Thanks
>> >>
>> >>
>> >>
>> >>T.J. Mitchell
>> >>
>> >>________________________________
>> >>
>> >>From: Bajo [mailto:bajoalex@gmail.com <mailto:bajoalex@gmail.com>]
>> >>Sent: Wednesday, September 28, 2005 9:37 AM
>> >>To: Mitchell, TJ
>> >>Cc: ccielab@groupstudy.com <mailto:ccielab@groupstudy.com>
>> >>Subject: Re: ISDN Authentication Question
>> >>
>> >>
>> >>
>> >>Have tried only ppp chap and ppp pap. But here are more:
>> >>
>> >>
>> >>
>> >>R4(config-if)#ppp authentication ?
>> >> chap Challenge Handshake Authentication Protocol (CHAP)
>> >> eap Extensible Authentication Protocol (EAP)
>> >> ms-chap Microsoft Challenge Handshake Authentication Protocol
>> >>(MS-CHAP)
>> >> ms-chap-v2 Microsoft CHAP Version 2 (MS-CHAP-V2)
>> >> pap Password Authentication Protocol (PAP)
>> >>
>> >>
>> >>
>> >>
>> >>
>> >>On 9/28/05, Mitchell, TJ <tmitchell@allianttech.com
>> <mailto:tmitchell@allianttech.com>> wrote:
>> >>
>> >>Guys -
>> >>
>> >>I have a question on ISDN authentication.
>> >>
>> >>What types of authentication is there for ISDN?
>> >>
>> >>
>> >>
>> >>I know the typical PPP CHAP and PAP, but what else is there?
>> >>
>> >>
>> >>
>> >>Thanks
>> >>
>> >>
>> >>
>> >>___________________________________________
>> >>
>> >>T.J. Mitchell
>> >>
>> >>Sr. Network Engineer, CCNA, CCDA, CCNP, CCDP
>> >>
>> >>
>> >>
>> >>Alliant Technologies, LLC
>> >>
>> >>Boston, MA 02108
>> >>
>> >>Cell: 508-868-6853
>> >>
>> >> tmitchell@allianttech.com <mailto:tmitchell@allianttech.com>
>> >>
>> >>www.allianttech.com <http://www.allianttech.com>
>> >>
>>
>>
>>
>>>_______________________________________________________________________
>>>
>>>
>> >>Subscription information may be found at:
>> >>http://www.groupstudy.com/list/CCIELab.html
>> >>
>> >>
>> >>
>> >>
>> >>--
>> >>Kind Regards,
>> >>
>> >>Bajo
>> >>
>>
>>
>>
>>>_______________________________________________________________________
>>>
>>>
>> >>Subscription information may be found at:
>> >>http://www.groupstudy.com/list/CCIELab.html
>> <http://www.groupstudy.com/list/CCIELab.html>
>>
>>
>>
>>
>_______________________________________________________________________
>
>
>> Subscription information may be found at:
>> http://www.groupstudy.com/list/CCIELab.html
>> <http://www.groupstudy.com/list/CCIELab.html>
>>
>>
>>
>>
>>--
>>Kind Regards,
>>
>>Bajo
>>
>>
>
>_______________________________________________________________________
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