RE: ISDN Authentication Question

From: Mitchell, TJ (tmitchell@allianttech.com)
Date: Wed Sep 28 2005 - 14:08:48 GMT-3


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]
Sent: Wednesday, September 28, 2005 10:07 AM
To: Mitchell, TJ
Cc: 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]
>Sent: Wednesday, September 28, 2005 9:37 AM
>To: Mitchell, TJ
>Cc: 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> 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
>
>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



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