![](/images/new-backgrounds/1185792/185792199x1.webp)
Figure 77: Authentication Method
29.Select Use this string to protect the key exchange (preshared key), then enter your pre- shared key in the field provided.
30.Click "OK" to save your settings, then "Close" to return to the DUT to Win2K Properties screen. There should now be 2 IP Filers listed, as shown below.
Figure 78: DUT to Win2K Properties
31. Select the General tab.
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