Re: VPN Setup

Maybe, you haven't enable (give the clients rights) to connect throught the
internet.

"Jeff G" wrote:

> So do I have to open any ports on the RRAS server? I'm assuming not but
> advise.
>
> Also, any ideas why I can connect to the VPN from inside the network, but
> not from outside the network.
>
> I cannot ping the RRAS server from the Internet either by IP or name. Any
> ideas?
>
> Thanks,
>
>
>
>
> "Bill Grant" wrote:
>
> > Port 47 (tcp or udp) have nothing to do with VPN. GRE is IP protocol 47.
> >
> > PPTP (tcp 1723) sets up and maintains the point-to-point connection. The
> > data is transferred encrypted inside a packet with a GRE header. If anything
> > in the path blocks GRE, no data is transferred and the connection closes
> > (usually with error 721).
> >
> > Jeff G wrote:
> > > I do have NAT enabled. Am I supposed to open the 1723 and 47 ports
> > > on the VPN server? Also, the pptp port shows it pointing to the
> > > 127.0.0.1 address - I'm assuming that is ok since it did that by
> > > default during the setup. Isn't this for authentication only?
> > >
> > > "Robert L [MS-MVP]" wrote:
> > >
> > >> Since you have two NICs, I am assuming you enabled NAT. Check the
> > >> NAT settings or these pages for the details,
> > >>
> > >> How to setup vpn on 2003 as router How to setup VPN and NAT on
> > >> Windows Server 2003 as a router ... Select Virtual Private
> > >> Network [VPN] access and NAT in the Configuration of Routing and ...
> > >> www.howtonetworking.com/VPN/2003vpn1.htm
> > >>
> > >> nat and firewall In the Select Routing Protocol dialog box,
> > >> click NAT/Firewall, and then click OK. ... NAT/Firewall
> > >> blocks the client accessing the Internet. ...
> > >> www.chicagotech.net/nat.htm
> > >>
> > >>
> > >>
> > >> Bob Lin, MS-MVP, MCSE & CNE
> > >> Networking, Internet, Routing, VPN Troubleshooting on
> > >> http://www.ChicagoTech.net
> > >> How to Setup Windows, Network, VPN & Remote Access on
> > >> http://www.HowToNetworking.com "Jeff G"
> > >> <JeffG@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
> > >> news:81B351AA-C67F-49AB-8381-5DCF38110A50@xxxxxxxxxxxxxxxx Hi all -
> > >>
> > >> I've been looking at previous posts and cannot seem to find a
> > >> similar situation.
> > >>
> > >> I have a W2k3 box with two nic (one LAN, one WAN). I am trying to
> > >> get a VPN set up so I went through the RRAS setup wizard. The
> > >> install appears to have gone correctly. I added a domain group as
> > >> the authorized users to use the VPN. I created a VPN connection
> > >> here on the LAN and tried to connect. The connection appears to
> > >> be working correctly as far as assigning an IP from the DHCP
> > >> server on the LAN. The problem is that I cannot connect from
> > >> outside of the office through the Internet.
> > >>
> > >> Any suggestions?
> > >>
> > >> Thanks
> >
> >
> >
.

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