On Wed, 5 Oct 2005, Waldemar Brodkorb wrote:
> Hi,
> Otto Moerbeek wrote,
>
> >
> > On Fri, 30 Sep 2005, Peter Bako wrote:
> >
> > > I have a situation where I need to connect an OpenBSD box to a MS Windows
> > > PPTP server (yep, I know it is not secure, but in this case I have no
> > > choice
> > > in the matter).
> > >
> > > After looking around the net I found myself at
> > > http://pptpclient.sourceforge.net/. So I downloaded, complied and
> > > installed
> > > the program and tried to connect to my test box. (Also complied a custom
> > > kernel using the GENERIC files with only the pseudo-device GRE line
> > > commented out.) There aren't any OpenBSD specific instructions on the
> > > site,
> > > but reading the generic docs, as well as the docs for NetBSD, the PPTP man
> > > pages, etc. I think I have enough to get started. However when I try to
> > > connect up I get nothing but a list of errors (connection timed out, could
> > > not open connection, etc.) I know the path from my OpenBSD box to the
> > > test
> > > server is correct, because if I plug my Win2k laptop in it is able to
> > > successfully connect to the server.
> > >
> > > As far as I can tell the problem is a lack of MPPE support either in the
> > > Kernel or in PPP. However I cannot find any information on how to get
> > > this
> > > support onto an OpenBSD system.
> > >
> > > Has anyone gotten PPTP-client to work on an OpenBSD box and if yes, would
> > > you be kind enough to send me some steps or any other info on how you did
> > > it?
> >
> > Check the pptp package. It's a port of pptpclient. There used to be a
> > FAQ entry about pptp, but it somehow was reduced to just mention pptp.
> >
> > The most important thing is to put net.inet.gre.allow=1 into your
> > sysctl.conf. Or compile a kernel without gre(4), but why bother? It's
> > a bit strange the pptp man page still contains instructions to
> > recompile the kernel and does not mention the systcl. I'll prod the
> > maintainer.
>
> Oh, that's probably me. What I never understood in the past:
> Do a PPTP user always have to set net.inet.gre.allow=1 ?
Yes, I think so. Though you should ask somebody like markus@ to
confirm that.
-Otto
