Cisco RVS4000 - Gigabit Security Router Administration Manual page 152

Configuring IPSec with a Windows 2000 or XP Computer
How to Establish a Secure IPSec Tunnel
Cisco RVS4000 Security Router with VPN Administrator Guide
Filter Action Tab
c. On the Security Methods tab, verify that the Negotiate security option is
enabled, and uncheck the Accept unsecured communication, but always
respond using IPSec box. Select Session key Perfect Forward Secrecy, and
click OK.
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