I need some help figuring out how to setup a VPN connection from home to a workplace.
This is what I've got:
I'm using XP Professional at home on ADSL.
At this workplace there is a Windows network (all are XP workstations logging onto a domain, and a Windows 2000 Server).
Protecting this network is a linux firewall/gateway, which is VPN ready according to the manufacturer's of the software. It's Gateway Guardian VPN Edition from about a year ago. So everything works in regards to the gateway (2 NIC's obviously). There is no domain name for the company so I have the IP address only which is static on a cable modem.
What I need are some troubleshooting steps to help me figure out why I can't connect to it. This is a new setup, nobody has ever even attempted to connect to it so it's not a matter of finding out why my home machine specifically won't connect.
To let you know, I haven't done anything for settings on the Windows 2000 Server machine, as it was just installed last week to replace an NT Server. I've followed the steps on my XP Pro box here at home to create a new connection, to my workplace, input the work IP address and it tries to connect but I get an Error 800 about the server is unreachable or security is not properly setup.
So if there's something I need to configure on the 2000 server machine to get VPN to work - that's what I'm after. It's my belief that the Linux gateway simply allows the VPN connection through, but I'm foggy on what happens next. I know my XP pro machine here would be assigned an IP address as if I was connected to that LAN. My end goal is to use Terminal Services to remotely use MS Great Plains - but this VPN setup is first.
Any help would be appreciated.