[isapros] Re: PPTP tracing

  • From: "Jim Harrison" <Jim@xxxxxxxxxxxx>
  • To: <isapros@xxxxxxxxxxxxx>
  • Date: Tue, 12 Jun 2007 12:29:57 -0700

Yeh-yeh-yeh; I know you said you didn't want to install anything, but
the WS00 RK
http://www.microsoft.com/windows2000/downloads/servicepacks/sp4/supportt
ools.asp offer a neato utility (dropped in later revs) called pptpclnt
and pptpsvr.
http://www.tburke.net/info/suptools/topics/pptpping.htm discusses how to
use & troubleshoot it.

-----Original Message-----
From: isapros-bounce@xxxxxxxxxxxxx [mailto:isapros-bounce@xxxxxxxxxxxxx]
On Behalf Of Jim Harrison
Sent: Tuesday, June 12, 2007 12:06 PM
To: isapros@xxxxxxxxxxxxx
Subject: [isapros] Re: PPTP tracing

..if you can't touch the client, how do you enable PPTP tracing there..?
To answer the original question, AFAIK PPTP tracing is only available on
the RRAS server itself.
http://www.microsoft.com/technet/network/evaluate/new_network.mspx lists
the network enhancements offered in Vista & WS08, but I don't see PPTP
tracing listed specifically...

-----Original Message-----
From: isapros-bounce@xxxxxxxxxxxxx [mailto:isapros-bounce@xxxxxxxxxxxxx]
On Behalf Of Stefaan Pouseele
Sent: Tuesday, June 12, 2007 11:42 AM
To: isapros@xxxxxxxxxxxxx
Subject: [isapros] Re: PPTP tracing

But PPTP tracing on the client *and* the ISA (or RRAS box) could be very
useful if you can't touch the client ...

Thanks, 
Stefaan

-----Original Message-----
From: isapros-bounce@xxxxxxxxxxxxx [mailto:isapros-bounce@xxxxxxxxxxxxx]
On
Behalf Of Jim Harrison
Sent: dinsdag 12 juni 2007 20:38
To: isapros@xxxxxxxxxxxxx
Subject: [isapros] Re: PPTP tracing

There is an SSL parser for netmon, but due to <donwannahaftakillya>, we
can't ship it publicly (yet?).

Even with that, only a network capture can tell you what's happening on
either side of a traffic processing point; PPTP tracing only tells you
what the local machine sees - admittedly useful...

-----Original Message-----
From: isapros-bounce@xxxxxxxxxxxxx [mailto:isapros-bounce@xxxxxxxxxxxxx]
On Behalf Of Stefaan Pouseele
Sent: Tuesday, June 12, 2007 11:28 AM
To: isapros@xxxxxxxxxxxxx
Subject: [isapros] Re: PPTP tracing

Hi Jim, 

I like very much Wireshark or NetMon, but it's not always convenient or
even
possible to install that thing on a users pc to diagnose VPN connection
problems through sharing/NAT devices. Nevertheless we have to prove that
those sharing/NAT devices or the culprit. Therefore the call for another
method to collect some hard evidence ;-)

BTW --- why isn't there an SSL/TLS parser in Netmon 3.1? 

Thanks, 
Stefaan

-----Original Message-----
From: isapros-bounce@xxxxxxxxxxxxx [mailto:isapros-bounce@xxxxxxxxxxxxx]
On
Behalf Of Jim Harrison
Sent: dinsdag 12 juni 2007 18:49
To: isapros@xxxxxxxxxxxxx
Subject: [isapros] Re: PPTP tracing

Why for you no likee netcaps?
NetMon3 parses PPTP  quite nicely.

-----Original Message-----
From: isapros-bounce@xxxxxxxxxxxxx [mailto:isapros-bounce@xxxxxxxxxxxxx]
On Behalf Of Stefaan Pouseele
Sent: Tuesday, June 12, 2007 6:36 AM
To: isapros@xxxxxxxxxxxxx
Subject: [isapros] PPTP tracing

Hi, 

Is there any way to trace the PPTP negotiation itself, particular the
Call
ID negotiation, without using a Network Monitor on Windows XP, 2003 and
Vista? 
I've looked at the "netsh ras set tracing Component enabled" command,
but
it's unclear which component should be enabled or if it is possible at
all. 

Thanks, 
Stefaan



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