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Prblems getting windows 2003 vpn server to work behind router

154 100+
Hi before i put on the router.

I setup a basic vpn server and was able to connect and authenticate using pptp.
my client side i am using windows xp pro ms vpn client

On the server it DSL modem <--- win2003 vpn server box - w /1nic
Now when it is connected I get a public ip assigned when logged in vpn , i setup the server with an ip address and basically vpn it is assigning another public ip like 209.x.x.161 and the server's ip is 162

Now I put an linksys router and I have it hooked up this way:
DSL modem <---- Linksys Router <---- win2003 vpn server box - w /1nic

When I try t connect - cannot even connect to the server.
I port forwarded 1723 for pptp
Could someobody help me out with this issue please.
Basically i want it to work so somebody could connect and acess resources on that box and be assigned an internal when logged in vpn.
Thanks in advance
Apr 23 '07 #1
1 7143
9,065 Expert Mod 8TB
I suspect the most likely cause is that you are not opening the right ports for your vpn to work.

Firstly check your vpn documentation, see if it says anything about what ports need opening.

You could try taking the router back out of the system and using the netstat command to see what ports are opened when a vpn client is connected.

As a very temporary measure (i.e. not more than a few minutes) you could try opening all ports through the router and seeing if you can connect you vpn link (this will at least prove or disprove that it is just a matter of finding the right ports to open), however this will make you server very insecure so DO NOT leave it configured like that for very long.
Apr 23 '07 #2

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