Linksys WAG54G - Manual (Page 74)

67 Appendix C: Configuring IPSec between a Windows 2000 or XP Computer and the Gateway
How to Establish a Secure IPSec Tunnel
Wireless-G ADSL Gateway
4. Select the Authentication Methods tab, shown in Figure C-13, and click the Edit button.
5. Change the authentication method to Use this string to protect the key exchange (preshared key), as
shown in Figure C-14, and enter the preshared key string, such as XYZ12345. Click the OK button.
6. This new Preshared key will be displayed in Figure C-15. Click the OK or Close button to continue.
Figure C-14: Preshared Key
Figure C-13: Authentication Methods
Figure C-15: New Preshared Key