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Virtual Private Networking Using IPSec, PPTP, or L2TP Connections
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ProSecure Unified Threat Management (UTM) Appliance
5. Click Apply to use the new settings immediately, and click Save to keep the settings for
future use.
6. Click the Advanced tab in the Authentication pane. The Advanced pane displays.
Figure 168.
7. Specify the settings that are explained in the following table.
Table 68. VPN client advanced authentication settings
Setting Description
Advanced features
Aggressive Mode Select this check box to enable aggressive mode as the mode of negotiation with
the UTM.
NAT-T Select Automatic from the drop-down list to enable the VPN client and UTM to
negotiate NAT-T.