Setting up a VPN

Try this link or look elsewhere in the site. It's a start. http://www.business.com/bdcframe.asp?src=http%3A%2F%2Fwww%2Enetopia%2Ecom%3Ftrackcode%3Dbizcom&back=http%3A%2F%2Fsearch%2Emsn%2Ecom%2Fresults%2Easpx%3Fsrch%3D105%26FORM%3DAS5%26q%3Dnetopia&path=/directory/advertising_and_marketing/customer_service/call_centers_and_help_desks

This will depend greatly on what O/S, network configuration, etc. you are using. We will need a bit more information to help you.

I am going to use NT 4 as the host computer. I will have two computers at a remote location running win 2000. I will have a T1 at the host location and a DSL at the remote location.

Try this one, it's a basic instruction set.
Copy and paste entire in your browser.
http://netopia.com/en-us/support/technotes/hardware/NQG_027.html

If you can get at least a single static IP at either location setting up a VPN should be fairly strait forward. One manufacture of vpn hardware/software that I have used in the past is Snapgear. I have implemented many with a near zero fail rate. As far as security, you can setup a PPTP VPN, which I find a little less cumbersome with only a single static IP. IPSEC is the other standard, which in my experience is much more secure sense it changes the encryption keys every hour. If latency is an issue, buy a unit that has an encryption co-processor. This with help offload cpu intensive instructions to a chip that is really good at it. I have used both PPTP and IPSEC on almost every type of broadband and the only problem I have had is if an ISP blocks VPN because they use it for managing their internal network.

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