[pptp-server] PPTP w/data encryption: works w/W98, not NT

[Geoff Nordli]

I am running NT 4, Sp6a without a problem.

I am using ppp2.3.8, with the mppe patches.

I use Data Encyption, Stateless, chapms-v2.

geoff nordli



-----Original Message-----
From: pptp-server-admin at lists.schulte.org
[mailto:pptp-server-admin at lists.schulte.org]On Behalf Of Nathan Meyers
Sent: Monday, December 20, 1999 8:44 AM
To: Patrick J. LoPresti
Cc: pptp-server at lists.schulte.org
Subject: Re: [pptp-server] PPTP w/data encryption: works w/W98, not NT


"Patrick J. LoPresti" wrote:
> 
> Nathan Meyers <nmeyers at javalinux.net> writes:
> 
> > I've ended up with a PPTP setup that works flawlessly with Win98 and
> > WinNT clients *without* data encryption, and with a Win98 client
> > using data encryption (after applying the MS dun40.exe update). But
> > I cannot get encryption to work with the WinNT client.
> 
> We have similar behavior here, and it seems to be related to the
> "Unsupported protocol" errors I and others have reported to this list.

Thanks for your response.

I saw "Unsupported protocol" with the win98 client before applying the
dun40.exe patch. I've never seen it with the NT client (which I'm
running with SP6a)... the connection never progresses far enough.

I received some other advice to update to PPP 2.3.10 and related
patches. I'll give that a try and, if I'm still having problems I'll try
to capture some more detailed debug info.

Nathan


> 
> Could you try setting the "debug" option in /etc/ppp/options and in
> /etc/pptpd.conf, then editing syslog.conf to capture daemon.* and
> local2.* to a log file?  If yours is the same problem, there will be a
> slew of "Unsupported protocol" messages from pppd before the
> disconnect.
> 
> What service pack are you on with NT?  (We are on 6a here).  My guess
> is that MickeySoft added some nonstandard protocol field compression
> to their PPP implementation in some service pack.  If so, we need to
> reverse-engineer it...
> 
>  - Pat

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