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Configuring the VPN client > Create an IP Filter
Page 20 | AlliedWare™ OS How To Note: VPNs with Windows 2000 clients, without NAT-T
9. Click Finish, then on the IP Filter List window, click Close.
This returns you to the Security Rule Wizard IP Filter List window. The filter list now includes
your new L2TP Tunnel Filter filter, as shown in the following figure.
10. Select L2TP Tunnel Filter and click Next.
This opens the Filter Action window. Select Require Security, as shown in the following figure.
This option forces the VPN client to use strong security. Microsoft Windows will not accept
any incoming calls by default. All outgoing calls to your Allied Telesis router will be required
to use IPSec encryption (assuming you use the router configuration from "The configuration
script" on page 5).