May 28, 2001 06:28 PM

Windows 2000 VPN Basics

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Robert McIntosh
Windows IT Pro
InstantDoc ID #21243
Last week, I explained how to ensure that your RAS users can reliably authenticate in a mixed Windows 2000 and Windows NT 4.0 environment. One solution that lets you avoid relaxing Active Directory's (AD’s) default security settings is to upgrade all your NT 4.0 RAS servers to Win2K. Win2K includes several enhancements to NT 4.0's RAS service—enhancements that might prompt you to migrate your RAS servers sooner rather than later. One such enhancement is Win2K’s VPN support.

VPN...

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Add a Comment

Windows L2TP/IPSec NAT-T update provides better support for VPN clients that are behind NAT devices.

Anonymous User 3/11/2005 9:00:49 AM

i found your this little page --beautiful and fantastic and vey crystal clear
since i am working in broadband tech. company our client have VPN req. we provide NAT based broadband router is it possible VPN to work behind Nat router ...VPN 2k clients r on private IPs......out NAT router is UBR924....plS SUGGEST US THE WAY......

SUDHIR SHETTY 11/5/2003 2:19:06 AM

Very Informative, and expertly explained! thanks...

Sean McAllister 10/28/2003 11:15:30 AM

Very well written article. Thanks for the information it was very usefel.

DKS

Dan Sowder 6/21/2002 12:54:00 PM

Hmmmm. McIntosh says "Another advantage of PPTP is that PPTP transmissions pass through a Network Address Translation (NAT) server." I found this statement to be confusing and/or misleading. Isn't the originating IP and port encrypted in VPN traffic such that manipulation of the source port by a NAT server would result in the VPN server assuming that the message has been tampered with?

Brenda Bell 5/29/2001 1:36:11 PM

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