User Manual

screen.
How to Establish a Secure IPSec Tunnel
Step 1: Create an IPSec Policy
1. Click the Start button, select Run, and type secpol.msc in the Open field. The Local Security
Setting screen
will appear as shown in Figure B-1.
2. Right-click IP Security Policies on Local Computer (Win XP) or IP Security Policies on
Local Machine
(Win 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 the Next button.
5. Click the Finish button, making sure the Edit check box is checked.
Step 2: Build Filter Lists
Filter List 1: win->Router
1. In the new policy’s properties screen, verify that the Rules tab is selected, as shown in Figure
B-2. Deselect
the Use Add Wizard check box, and click the Add button to create a new rule.
2. Make sure the IP Filter List tab is selected, and click the Add button. (See Figure B-3.)The IP
Filter List
screen should appear, as shown in Figure B-4. Enter an appropriate name, such as win->Router,
for the filter
list, and de-select the Use Add Wizard check box. Then, click the Add button.
NOTE: The references in this section to “win” are
references to Windows 2000 and XP. Substitute
the references to “Router” with “Gateway”. Also,
the text on your screen may differ from the text in
your instructions for “OK or Close”; click the
appropriate button on your screen.
Figure C-1: Local Security Screen
Figure C-2: Rules Tab
Figure C-3: IP Filter List Tab
3. The Filters Properties screen will appear, as shown in Figure B-5. Select the Addressing tab. In
the Source
address field, select My IP Address. In the Destination address field, select A specific IP Subnet,
and fill in
the IP Address: 192.168.1.0 and Subnet mask: 255.255.255.0. (These are the Router’s default
settings. If you
have changed these settings, enter your new values.)
4. If you want to enter a description for your filter, click the Description tab and enter the
description there.
5. Click the OK button. Then, click the OK or Close button on the IP Filter List window.
Filter List 2: Router ->win
6. The New Rule Properties screen will appear, as shown in Figure B-6. Select the IP Filter List
tab, and make
sure that win -> Router is highlighted. Then, click the Add button.
Figure C-4: IP Filter LIst
Figure C-5: Filters Properties
Figure C-6: New Rule Properties
7. The IP Filter List screen should appear, as shown in Figure B-7. Enter an appropriate name,
such as Router-
>win for the filter list, and de-select the Use Add Wizard check box. Click the Add button.