Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 7 Feb 2001 21:42:11 -0800 (PST)
From:      Archie Cobbs <archie@dellroad.org>
To:        Olivier Cherrier <Olivier.Cherrier@cediti.be>
Cc:        "'freebsd-net'" <freebsd-net@FreeBSD.ORG>
Subject:   Re: pptp server
Message-ID:  <200102080542.VAA54671@curve.dellroad.org>
In-Reply-To: <BB863FBA3E3CAE4DAC430686AD28EA56038669@brisefer.cediti.be> "from Olivier Cherrier at Feb 7, 2001 10:06:53 pm"

next in thread | previous in thread | raw e-mail | index | archive | help
Olivier Cherrier writes:
> Ho, I think that I found my problem ... maybe
> In fact, the "mppe encryption" is included in the MS-Chap protocol, isn't it

MPPE encryption piggybacks on MPPC compression. You can have
either or both of 'E' and/or 'C'. Mpd only supports 'E' because
'C' requires proprietary files.

MS-CHAP is required *for* MPPE encryption, in order to generate the keys.

> 22:14:37.384949 mirador.cediti.be > 193.190.156.147: gre-proto-0x880B (gre
> encap)
> 
> Is this the proof that the communication is encrypted ? (sorry for this
> newbie question but I am't a guru .... not yet -:)

No, the encryption is only of the inner payload.

> It is surprising because on the windows client side, I set in the security
> option:
> 	_ Optional encryption  (If I want "require encryption", the error
> "encryption not supported by server" occurs)
> 	_ Allow these protocols: MS-CHAP
> 
> So, if I am right, MS-CHAP includes MPPE encryption even if encryption is
> not explicitely set; don't it ?

No.

-Archie

__________________________________________________________________________
Archie Cobbs     *     Packet Design     *     http://www.packetdesign.com


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-net" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200102080542.VAA54671>