17. In the Security tab, choose Advanced (custom settings).
18. Click Settings.
The Advanced Security Settings dialog box opens.
19. In the Data encryption drop-down list, select Optional encryption.
20. Choose Allow these protocols.
21. Select the Unencrypted password (PAP) check box, and clear all other check boxes.
22. Click OK.
23. In Properties dialog box's Security tab, click IPSec Settings.
The IPSec Settings dialog box opens.
24. Select the Use pre-shared key for authentication check box.
25. In the Key field, type the preshared secret you configured on the L2TP VPN Server.
26. Click OK.
Chapter 16: Working with VPNs
Setting Up Your Nokia IP60 Appliance as a VPN Server
357