server VPN setup disables network's internet

Microsoft Windows server v2003 r2 standa...
July 15, 2010 at 12:41:09
Specs: Microsoft Windows XP Professional, 1.995 GHz / 3062 MB
I am attempting to setup a VPN Server side on my sql box, which runs win2003. i go ahead and add the remote access/vpn role and go through that wizard pretty well and succesfully complete it. back on my workstation, i find that i lose all internet capability, along with all the rest of the pcs in my office. my sql box's internet is working fine though.

im not really sure where it is that i screwed up. my guess is that i selected the wrong LAN nic between the 2 that i was given. i think i selected the static ip which is assigned to my sql box. should i have selected the other one? can someone help me verify which nic im supposed to select?

on a follow up to this, ive disabled the role which allows all my users to get internet access agian. would i be able to redo that role setup again? or should i just run the VPN through my IIS box?


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#1
July 16, 2010 at 07:25:29
Ok, we need some background info on this.

Describe your present network and detail how the client computers connect to the internet (ie: through a SOHO Router or a Windows server using ICS or RRAS)

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***


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#2
July 16, 2010 at 08:46:25
"VPN through my IIS box?"

No there are known vulnerabilities with Windows VPN and it may not work through your Cisco Router (if you have one).

If you are running VPN on a Cisco device you may have forgot to setup Split Tunneling. This will stop internet access at the clients end.

http://www.cisco.com/en/US/products...

Again assuming your are using Cisco. Please let us know the make and model of the device you are using for your VPN.


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#3
July 16, 2010 at 12:03:05
Ace - I am using a Netgear UTM25

http://www.netgear.com/Products/Pro...

Curt - I have LAN connections to a switch which connects to my Netgear UTM.

If I set up the VPN through the UTM itself, would I be able to forgo the setup on the Windows server? I was assuming that I would need to set it up twice, once on the server and then again on the UTM.

Can I get away with just the setup on the UTM?


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#4
July 16, 2010 at 12:23:58
what your server is doing should have no effect at all on the rest of the network UNLESS you are routing thru the server.

Are you routing thru the server?
Is it also the local dns server ?
what are the workstations pointing to for dns?


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#5
July 16, 2010 at 12:38:36
Curt - I have LAN connections to a switch which connects to my Netgear UTM.

I'm thinking you mean the following:

internet >> Netgear UTM >> Switch >> Clients

If I set up the VPN through the UTM itself, would I be able to forgo the setup on the Windows server?

This depends on what kind of remote access you want users to have and what you can get from the device you own. You'd have to read the manual on the netgear device to see if it would supply what you want.

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***


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#6
July 16, 2010 at 13:13:49
wanderer - i do have DNS set up on the sql box

curt - ok, i will go through the UTM's install manual and see what type of VPN services are available.

my users don't need much more than to be able to access the network folders and drives via VPN. i dont believe a web gui will be necessary either. whichever simple method gets me this, id be willing to accept it.

thank you everyone so far who has put in their 2 cents. im a noob when it comes to networking, much more of a DB guy. mahalo!


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