[pptp-server] 2.4.19-pre7 mppe problems

Alex King alex at morrison.king.net.nz
Fri May 3 04:24:42 CDT 2002

I have now found and loaded a MS DUN 1.4 update for win95, and loaded

With the encryption settings relaxed it makes a connection, but with
"Require data encryption" ticked it craps out saying the erver is not

from the log now:
rcvd [CCP ConfReq id=0x1 <mppe +H -M +S +L +D +C> < 11 05 00 01 04>]
sent [CCP ConfRej id=0x1 <mppe +H -M +S +L +D +C> < 11 05 00 01 04>]

I've done a bit of reading and rfc3078 says:

The 'D' bit is obsolete; although some older peers may attempt
to negotiate this option, it SHOULD NOT be accepted.

So is Win95 incapable of using an up-to-date protocol, or is there some
other prblem?  I'm going to load a linux client on another machine and
test that.

On Fri, May 03, 2002 at 05:07:00PM +1200, Alex King wrote:
> I am trying to set up poptop, but running into problems.
> I am testing on a debian woody system, with the debian pptpd package
> installed (PoPToP v1.1.2)
> I got the latest ppp sources by cvs from pserver.samba.org.  This pppd
> seems to already have support for mppe, and it has kernel patches for
> 2.4.18.  I applied the patches (which seemed to apply cleanly)
> Has anyone tried this ppp versin?
> When I try to connect with a win95 client with the DUN 1.3 update, it
> gets as far as authenticating, but the client gives an error as soon as
> it gets this from the server:
> pppd[720]: sent [CCP ConfReq id=0x1 <mppe +H -M +S -L -D -C>]
> Has anyone got this version of pppd/mppe working?

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