Linksys WRV200 Appendix D, Introduction, Environment, Create an IPSec Policy, Build Filter Lists

Appendix D Configuring IPSec with a Windows 2000 or XP Computer

Appendix D: Configuring IPSec with a Windows 2000 or XP Computer

Introduction

This appendix explains how to establish a secure IPSec tunnel using preshared keys to join a private network inside the Router and a Windows 2000 or XP computer. You can find detailed information on configuring the Windows 2000 server at the Microsoft website:

Microsoft KB Q252735—How to Configure IPSecTunneling in Windows 2000: http://support.microsoft.com/support/kb/articles/ Q252/7/35.asp

Microsoft KB Q257225—Basic IPSec Troubleshooting in Windows 2000: http://support.microsoft.com/support/kb/articles/ Q257/2/25.asp

NOTE: Keep a record of any changes you make. Those changes will be identical in the Windows “secpol” application and the Router’s Web- based Utility.

NOTE: The text on your screen may differ from the text in your instructions regarding the OK or Close buttons; click the appropriate button on your screen.

Environment

The IP addresses and other specifics mentioned in this appendix are for illustration purposes only.

Windows 2000 or Windows XP

IP Address: 140.111.1.2 <= User ISP provides IP Address; this is only an example.

Subnet Mask: 255.255.255.0

WRV200

WAN IP Address: 140.111.1.1 <= User ISP provides IP Address; this is only an example.

Subnet Mask: 255.255.255.0

LAN IP Address: 192.168.1.1

Subnet Mask: 255.255.255.0

Wireless-G VPN Router with RangeBooster

How to Establish a Secure IPSec Tunnel

Step 1: Create an IPSec Policy

1.Click Start, select Run, and type secpol.msc in the Open field. The Local Security Settings screen appears.

Local Security Settings

2.Right-clickIP Security Policies on Local Computer (WindowsXP)orIPSecurityPoliciesonLocalMachine (Windows 2000), and click Create IP Security Policy.

3.Click the Next button, and then enter a name for your policy (for example, to_Router). Then, click Next.

4.Deselect the Activate the default response rule check box, and then click Next.

5.Click Finish, making sure the Edit check box is checked.

Step 2: Build Filter Lists

NOTE: Throughout the following section the term “win” refers to both Windows 2000 and Windows XP.

NOTE: The text on your screen may differ from the text in your instructions regarding the OK or Close buttons; click the appropriate button on your screen.

Filter List 1: win -> router

1.In the new policy’s properties screen, verify that the Rules tab is selected. Deselect the Use Add Wizard check box, and click Add to create a new rule.

Rules Tab

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