Virtual Private Networking Using IPSec Connections
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ProSecure Unified Threat Management (UTM) Appliance
2. Enter the settings as explained in the following table:
3. Click Apply to save your settings.
View the Active L2TP Users
 To view the active L2TP tunnel users:
Select Monitoring > Active Users & VPNs > L2TP Active Users. The L2TP Active Users
screen displays:
Figure 187.
Table 78. L2TP Server screen settings
Setting Description
L2TP Server
Enable L2TP Server To enable the L2TP server, select the Enable check box. Complete the following
fields:
Start IP Address Type the first IP address of the address pool.
End IP Address Type the last IP address of the address pool.
User time out Enter the time-out period in seconds. If there is no traffic
from a user, the connection is disconnected after the
specified period.
Authentication
Select one or more of the following authentication methods to authenticate L2TP users:
• PAP. RADIUS-Password Authentication Protocol (PAP).
• CHAP. RADIUS-Challenge Handshake Authentication Protocol (CHAP).
• MSCHAP. RADIUS-Microsoft CHAP (MSCHAP).
• MSCHAPv2. RADIUS-Microsoft CHAP version 2 (MSCHAPv2).
Note: For each authentication method that you want to use for L2TP users, you need to have created a
domain that supports the authentication method (see Configure Domains on page 353) and have added the
L2TP users to the domain (see Configure User Accounts on page 362).