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How to implement  a VPN access to Home DSL LAN

Posted on 2006-04-27
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Last Modified: 2010-03-19
I would like to know how to establish a VPN going to my home LAN

I am running a DSL WEstell Modem.
I only have DSL.

What would I need to purchase?

How can I set this up so when I am at a Hotel I can either choose to Dial-in or Use their Fast access internet?

I need 2 different solution.

Thanks All
Mancoi
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Question by:mancoi
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Expert Comment

by:Rob Williams
ID: 16559224
Solution #1
You can enable the Windows VPN on a workstation using the following instructions (very thorough):
http://www.onecomputerguy.com/networking/xp_vpn_server.htm
Then on the machine with which you wish to connect, you can set up a Windows VPN client:
http://www.onecomputerguy.com/networking/xp_vpn.htm
You will also have to set up port forwarding on the Westell Modem Instructions for this can be found at:
http://www.portforward.com/english/routers/port_forwarding/routerindex.htm
Browse down the list until you find your Westell unit, click on the link, and then on the resulting page click on the link for Point to Point Tunneling protocol

Solution #2
Purchase a VPN router such as the Linksys WRV54G, install this between the Westell and the PC's, and create a VPN user on the Linksys unit. On the connecting computer install the matching QuickVPN client.
Router information available at:
http://www.linksys.com/servlet/Satellite?c=L_Product_C2&childpagename=US%2FLayout&cid=1118334818934&pagename=Linksys%2FCommon%2FVisitorWrapper
VPN client available from:
http://www.linksys.com/servlet/Satellite?c=L_Download_C2&childpagename=US%2FLayout&cid=1115417109974&packedargs=sku%3D1115416833192&pagename=Linksys%2FCommon%2FVisitorWrapper
You will also have to put the Westell in Bridge mode. I don't know which model Westell you have but general Westell instructions can be found here:
http://www.dslreports.com/faq/6405
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Author Comment

by:mancoi
ID: 16561407
I am thinking of implementing your first solution.

How would I connect from the "Outside"
Do I need to buy Dial up?
how would I connect if a Hotel had high Speed Access?

I will be giving it a shot this weekend. I will let you know if it was a success or failure.
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Rob Williams earned 1200 total points
ID: 16561535
>>"How would I connect from the "Outside""
Using the Windows VPN client. Installation and use is outlined in the 2nd link above. You will need to know the public IP of your connection, at the site to which you want to connect. You can find this by going to the following website, but you must do it from a computer at the site you are connecting to.
http://www.whatismyip.com

>>"Do I need to buy Dial up?"
You can use dial up, high speed, or direct cable connection, all work fine. High speed Internet (DSL or cable modem) is most common today for best performance.

>>"how would I connect if a Hotel had high Speed Access?"
The same way.

>>"I will be giving it a shot this weekend."
Setting up a VPN only takes a little while, however there is a lot of technology involved. If you are not familiar with it at all, it can some times be a large undertaking. Do not get discouraged but there can be many obstacles and it may require some reading. To name a few:
-both the home and remote sites need to be on different subnets. i.e. if the home location uses 192.168.1.x IP's then the remote site needs to use something different such as 192.168.2.x
-your home location probably has a dynamic (changing) IP address. If so you may have to subscribe to a DDNS (Dynamic Domain Name Service) such as www.dyndns.com once you have it up and running
-name resolution over a VPN often does not work without some "tweaking", so you may not be able to connect to resources, so try using the IP address. For example for remote desktop enter the IP of the PC you are connecting to (once VPN is established) or to connect to a share use the IP such as  \\192.168.123.123\ShareName
-if you have a modem that is a combined modem and router as well as a separate router, the modem needs to be put in bridge mode
-a few public sites, such as a few hotels have older routers that do not work with VPN's
-VPN's as a rule do not work over satellite Internet connections

Good luck.
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Expert Comment

by:Rob Williams
ID: 16574413
Thanks  mancoi,
--Rob
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