Appendix D: Configuring Ipsec With A Windows 2000 Or Xp Computer; Introduction; Environment; How To Establish A Secure Ipsec Tunnel - Linksys WAP54GP - Wireless-G Access Point User Manual

Appendix D
Appendix D:
Configuring IPSec with
a Windows 000 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 IPSec Tunneling
in Windows 2000:
http://support.microsoft.com/support/kb/articles/
Q//.asp
Microsoft KB Q257225—Basic IPSec Troubleshooting in
Windows 2000:
http://support.microsoft.com/support/kb/articles/
Q//.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 000 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
WRV00
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
Configuring IPSec with a Windows 2000 or XP Computer

How to Establish a Secure IPSec Tunnel

Step 1: Create an IPSec Policy

1.
2.
3.
4.
5.

Step 2: Build Filter Lists

Filter List 1: win -> router
1.
Click Start, select Run, and type secpol.msc in the
Open field. The Local Security Settings screen appears.
Local Security Settings
Right-click IP Security Policies on Local Computer
(Windows XP) or IP Security Policies on Local Machine
(Windows 2000), and click Create IP Security Policy.
Click the Next button, and then enter a name for your
policy (for example, to_Router). Then, click Next.
Deselect the Activate the default response rule
check box, and then click Next.
Click Finish, making sure the Edit check box is
checked.
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.
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