Re: VPNing with L2TP/IPSec

From: J.C. Hornbeck [MSFT] (jchornbe_at_online.microsoft.com)
Date: 03/30/04


Date: Tue, 30 Mar 2004 14:26:47 -0600

Technically the RRAS doesn't need a server authentication certificate, it
needs a client authentication certificate. That doesn't mean that the
presence of a server authentication certificate will cause a connection
failure even though a client authentication certificate exists.

-- 
J.C. Hornbeck, MCSE
Microsoft Product Support
NOTE: Please reply to the newsgroup and not directly to me. This allows
others to add to and benefit from these threads and also helps to ensure a
more timely response. Thank you!
This posting is provided "AS IS" without warranty either expressed or
implied, including, but not limited to, the implied warranties of
merchantability or fitness for a particular purpose.
You can have a server
"Nick Ivanov" <dont@even.try.it> wrote in message
news:4069d548$0$11588$636a15ce@news.free.fr...
>
> I see you are saying you need a "client authentication" certificate on
both
> RRAS and VPN client. But which one should not have a "server
> authentication" certificate? I have a machine certificate on the server.
Is
> this not right?
>
>
> "J.C. Hornbeck [MSFT]" <jchornbe@online.microsoft.com> wrote in message
> news:ud1jJcaFEHA.3372@TK2MSFTNGP10.phx.gbl...
> > For an L2TP connection you actually need a client authentication
> certificate
> > on both the RRAS and the VPN client.  If you install a server
> authentication
> > certificate then you'll get this error.  It's kind of counter intuitive
> but
> > that's how it works.
> >
> > -- 
> > J.C. Hornbeck, MCSE
> > Microsoft Product Support
> >
> > NOTE: Please reply to the newsgroup and not directly to me. This allows
> > others to add to and benefit from these threads and also helps to ensure
a
> > more timely response. Thank you!
> >
> > This posting is provided "AS IS" without warranty either expressed or
> > implied, including, but not limited to, the implied warranties of
> > merchantability or fitness for a particular purpose.
> >
> >
> > "Nick Ivanov" <dont@even.try.it> wrote in message
> > news:4064a57d$0$8940$636a15ce@news.free.fr...
> > >
> > > Hello all.
> > >
> > > I have a VPN server running Win 2K3 Enterprise Edition and a client
> > running
> > > Windows XP.
> > > I am using PPTP at the moment but I would like to use L2TP/IPSec. I
have
> > > installed the
> > > certificate service and created a machine and a client authentication
> > > certificate. Then I
> > > exported these to a floppy disk and imported them into the client, I
do
> > not
> > > want to use
> > > the "crtsrv" and IIS to create certificates for clients. I modified
the
> > > connection settings to
> > > use EAP and made the appropriate changes. Now when I try to connect,
> > > however, I get
> > > a dialogue saying
> > >
> > > "Error 798: a certificate could not be found that can be used with
this
> > > Extensible Authentication Protocol"
> > >
> > > Do I have the certificates in the wrong place? Any other ideas? Is
there
> a
> > > documented
> > > example of how to do this somewhere? (I have some from Microsoft
site).
> Is
> > > there a
> > > way to get more detailed feedback of the authentication process which
> may
> > > give me
> > > more clues as to what is going wrong?
> > >
> > >
> > >
> > > Thanks in advance
> > > Nick
> > >
> > >
> >
> >
>
>


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