[pptp-server] Error 645 puzzle

[Yan Seiner]

I did what the KB article said, and now I get a little further.  (Go
figure; a search for Error 645 turns up some stuff about encrypted
passwords - but not that article.)

The problem is that GRE packets go out, but nothing comes back.  I'm
guessing that the client is being given the internal (natted) address,
and not the real one.  I tried to run pptpctrl via inetd, and give the
real IP as the fourth argument, but that does not seem to have made any
difference.  Either my router is not forwarding incoming GRE (though it
claims to support it in client mode) or I'm misreading the pptpctrl man
page.

--Yan

Neale Banks wrote:
> 
> On Sun, 14 Jan 2001, yan seiner wrote:
> 
> > I had been using Win95 to connect to my poptop server until recently.  I
> > had no need of my laptop for a while.  Now when I try to conect, I get:
> >
> > Error 645: The Microsoft Dialup Adapter is in use or not responding
> > properly.
> >
> > This used to work fine.  I have uninstalled and reinstalled windows
> > networking - no joy.
> 
> Known problem: see MS Knowledge Base article Q188141 (this is in the
> archives of this list).
> 
> The trick is that you need to install VPN support the "correct" way (no I
> don't know why it will install in a way that doesn't work).
> 
> > OK, so I looked at the logs on the server. Seems that my ISDN modem (an
> > Eicon DIVA LAN MODEM) does not like pptp...
> 
> Judging by the recent traffic here, I won't go so far as to say that all
> will be well after you fix the 645 :-|
> 
> HTH,
> Neale.
> 
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