Re: Debugging a VPN

While Remote Desktop ***can*** use a VPN, it can also
stand on its own feet. Here is what you need for a Remote
Desktop connection to function:
- You must know the host's external IP address.
- The host's internal IP address must be fixed.
- The host's router must forward port 3389 packet to the
host's internal IP address.
- Remote Desktop must be enabled on the host.
- Your account must be authorised to use Remote Desktop
on the host.

In your case the "host" is your external Windows XP Professional
workstation which you can use to test your VPN.

You can test the basic connectivity of VPNs and RDPs with telnet:

VPN: telnet host_address 1723
RDP: telnet host_address 3389


"Jay" <-> wrote in message news:uKT%23O94%23GHA.896@xxxxxxxxxxxxxxxxxxxxxxx
Thanks for the tip.

Just one question, isn't a Remote Desktop PC effectively using a VPN
(although this fact may be
hidden from the user)? So if I have a problem with seting up a VPN (eg due
to an incorrectly
configured firewall which I suspect to be the case with the problems I've
had) then I might also
have the same firewall problem with remote desktop.

Jay

"Pegasus (MVP)" <I.can@xxxxxxx> wrote in message
news:eQrCV2o%23GHA.2300@xxxxxxxxxxxxxxxxxxxxxxx

"Jay" <-> wrote in message
news:eZ$7%23Bg%23GHA.4704@xxxxxxxxxxxxxxxxxxxxxxx
I tried to set up a VPN on a PC running Windows 2000 server (giving
other
users access to files on
this server) but I couldn't access it from other PCs. I set up the
Norton
firewall to allow
communications, but no joy.

Any tips on debugging the problem?

Also, can I debug it by trying to connect to the VPN on the same server
(so that communications go
out to the internet then go back in to the same machine)? If not, my
biggest problem is how to try
things out, since I don't have access to another PC with an independent
internet connection.



Set up an external WinXP Professional PC to act as a Remote
Desktop PC. You can then try your VPN session from that
PC under an RDP session.





.

Relevant Pages

  • Re: Connecting a remote workstation to a domain
    ... If you have more than a couple of remote workstations connecting to the SBS ... server via VPN, you really need to consider a Terminal Server in the main ... "Log in using a dial up connection" checkbox, ... roaming profile then synchronizes with the server over the VPN); ...
    (microsoft.public.windows.server.sbs)
  • Re: VPN Client
    ... Thanks for the help on losing the remote connection when you connect to VPN. ... Regarding the router port forward issue, you should point the port 1723 to ...
    (microsoft.public.windows.server.sbs)
  • Re: Outbound VPN connection & routing
    ... through VPN connection. ... You have to rerun the CEICW to make sure your SBS 2003 server have ... I suggest we try to manually create a VPN connection on the remote ...
    (microsoft.public.windows.server.sbs)
  • Sometimes it works sometimes it doesnt (VPN data issues)
    ... I am running a windows2k3 SBS server behind a linksys firewall. ... remote users having troubles connecting to our network. ... I figured this was a firewall issue blocking VPN data, ... the connection will stall and then starting the connection process ...
    (microsoft.public.windows.server.networking)
  • [UNIX] mmmail POP3-SMTP Daemon Format String Vulnerability
    ... There is a format string vulnerability in the 'mmsyslog' function of the ... string that can be defined by a remote user. ... test:~$ telnet test.lab.intexxia.com 110 ... Connection closed by foreign host. ...
    (Securiteam)