[pptp-server] LCP terminated by peer w/ encryption enabled (MPPE patches applied to pppd)
Jon Burford
jburford at xsilogy.com
Sat Jan 20 16:46:04 CST 2001
Yep, the kernel module WAS necessary. I missed some of the docs, but there
was a little manual config required when using openssl-0.9.6 that was not
documented. Things are working with 2.2.14 w/ mppe-40 (stateless) now, but
I got this error when I tried a patched 2.4.0 kernel with ppp-2.3.10:
GRE: bad checksum from pppd
Is there a known incompatibility between kernel 2.4.0 and ppp-2.3.10?
I also noticed that mppe-128 does not seem to be supported by default on
win2000. Does anyone know what is required for this?
Also, did anyone notice that the ppp-2.3.11 patch does not apply cleanly
with patch -p1? Because of this, I used the ppp-2.3.10 patch.
Cheers!
Jon
----- Original Message -----
From: "Giulio Orsero" <giulioo at pobox.com>
To: <pptp-server at lists.schulte.org>
Sent: Saturday, January 20, 2001 12:53 PM
Subject: Re: [pptp-server] LCP terminated by peer w/ encryption enabled
(MPPE patches applied to pppd)
> On Sat, 20 Jan 2001 11:49:59 -0800, you wrote:
>
> >installed Red Hat 6.2 box. When I connect from win2000 and win98 clients
> >WITHOUT encryption, everything works fine. When I specify ONLY mppe-128
in
> >options.pptp, I get (on win2000) "Error 742: The remote computer does not
> >support the required data encryption type". This makes sense to me, so I
> >try mppe-40. When I specify ONLY mppe-40 in options.pptp, I get (on
> >win2000) "Error 619: The specified port is not connected". So it looks
like
>
> >Jan 20 11:18:19 localhost modprobe: modprobe: Can't locate module
> >char-major-108
> >Jan 20 11:18:21 localhost modprobe: modprobe: Can't locate module
> >ppp-compress-18
>
> >Having read through the RedHat and generic FAQ, I am a little confused.
It
> >does not seem to me that there is a ppp_mppe module anymore since the
mppe
> >patches for pppd appear to obsolete the module.
> The patches patch pppd, which then patches the kernel. So you do use the
> ppp_mppe module
> $ lsmod|grep ppp
> ppp_deflate 40484 0 (autoclean)
> ppp_mppe 13584 0 (autoclean)
> ppp 20012 0 (autoclean) [ppp_deflate ppp_mppe bsd_comp]
> slhc 4328 0 (autoclean) [ppp]
>
>
> > termination because of the modprobe errors
> >(char-major and compress-18)? I am able to turn off compression on
win2000
>
> alias ppp-compress-18 ppp_mppe <===
> alias ppp-compress-21 bsd_comp
> alias ppp-compress-24 ppp_deflate
> alias ppp-compress-26 ppp_deflate
> #alias char-major-108 ppp_generic this is for kernel 2.4.x
> alias char-major-108 off <===
>
> >not module-related. However, whatever I try, I am unable to get any
windows
> >box to connect when encryption is enabled. I was also unable to search
the
> I think this is because it cannot load ppp_mppe since your modules.conf
> lacks the alias.
>
> --
> giulioo at pobox.com
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